Miranda likes to have wine with her dinner on Friday and Saturday nights. She usually buys two bottles of wine for the weekend. she really needs to cut back on spending. She decides to buy only one bottle per week. on average a bottle of wine cost $15. How much does she save in one year?

Answers

Answer 1

We subtract the cost of wine when buying one bottle per week from the cost of wine when buying two bottles per weekend. Miranda saves $780 in one year by buying only one bottle of wine per week instead of two.

To calculate how much Miranda saves in one year by buying only one bottle of wine per week instead of two, we can follow these steps:

Determine the number of bottles of wine she buys in a year:

Miranda used to buy 2 bottles of wine per weekend, so in a week, she bought 2 bottles.

Since there are 52 weeks in a year, the number of bottles she bought in a year is 2 bottles/week * 52 weeks = 104 bottles.

Calculate the total cost of wine for the year:

Since each bottle costs $15, the total cost of wine for the year when buying 2 bottles per week would be 104 bottles * $15/bottle = $1560.

Calculate the cost of wine for one year when buying only one bottle per week:

With Miranda's decision to buy one bottle per week, the total number of bottles she buys in a year is 1 bottle/week * 52 weeks = 52 bottles.

Therefore, the cost of wine for one year when buying only one bottle per week would be 52 bottles * $15/bottle = $780.

Calculate the amount saved in one year:

To determine the amount saved, we subtract the cost of wine when buying one bottle per week from the cost of wine when buying two bottles per weekend.

Amount saved = $1560 - $780 = $780.

Therefore, Miranda saves $780 in one year by buying only one bottle of wine per week instead of two.

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Related Questions

Suppose it is known that 20% of college students work full time.

Part A: If we randomly select 12 college students, what is the probability that exactly 3 of the 12 work full time? Round your answer to 4 decimal places.

Answers

Answer:

0.2369

Step-by-step explanation:

To find the probability of exactly 3 out of 12 randomly selected college students working full time, we can use the binomial probability formula.

The formula for the probability of exactly k successes in n trials, where the probability of success is p, is:

P(X = k) = (n choose k) * p^k * (1 - p)^(n - k)

In this case, n = 12 (number of trials), k = 3 (number of successes), and p = 0.20 (probability of success, i.e., percentage of college students working full time).

Plugging in the values:

P(X = 3) = (12 choose 3) * 0.20^3 * (1 - 0.20)^(12 - 3)

Calculating the expression:

P(X = 3) = (12! / (3! * (12 - 3)!)) * 0.20^3 * (0.80^9)

= (12! / (3! * 9!)) * 0.008 * 0.134217728

≈ 0.2369 (rounded to 4 decimal places)

Therefore, the probability that exactly 3 out of the 12 randomly selected college students work full time is approximately 0.2369.

Hope this helps!

Please answer the following question on linear algebra.

Answers

T satisfies both the additive and scalar multiplication properties, it can be concluded that T is a linear transformation.

To prove that T is a linear transformation, we need to show that it satisfies two properties: additive property and scalar multiplication property.

Additive property:

Let z = (x1, x2) be an arbitrary vector in R2. We want to confirm that T(z1 + z2) = T(z1) + T(z2).

Let z1 = (x1, x2) and z2 = (y1, y2) be arbitrary vectors in R2.

T(z1 + z2) = T((x1 + y1, x2 + y2)) = (x1 + y1, x2 + y2)

T(z1) + T(z2) = T(x1, x2) + T(y1, y2) = (x1, x2) + (y1, y2) = (x1 + y1, x2 + y2)

We can see that T(z1 + z2) = T(z1) + T(z2), thus satisfying the additive property.

Scalar multiplication property:

Let z = (x1, x2) be an arbitrary vector in R2 and k be an arbitrary scalar. We want to confirm that T(kz) = kT(z).

T(kz) = T(kx1, kx2) = (kx1, kx2)

kT(z) = kT(x1, x2) = k(x1, x2) = (kx1, kx2)

We can see that T(kz) = kT(z), thus satisfying the scalar multiplication property.

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Geometry: Angle a) Draw a line segment AB. Mark a point O on AB and draw an angle BOC. Measure ZBOC and ZAOC. Verify that ZBOC + ZAOC = 180°.​

Answers

The angles  ZBOC + ZAOC = 180°.

In geometry, angles are two rays that share a common endpoint. The common endpoint is called a vertex, and the rays are known as sides.

In a plane, when two lines intersect, they form four angles at the point of intersection, and when a line segment intersects a line, they form two angles.Geometry: Anglea) Draw a line segment AB.

Mark a point O on AB and draw an angle BOC. Measure ZBOC and ZAOC. Verify that ZBOC + ZAOC = 180°.

To solve this problem, the following steps should be followed:

Step 1: Draw a line segment AB

Step 2: Mark point O on AB and draw an angle BOC

Step 3: Measure angles ZBOC and ZAOC

Step 4: Add angles ZBOC and ZAOCZBOC + ZAOC = 180°

The sum of angles ZBOC and ZAOC is 180°. It is because an angle is the amount of turn between two rays with a common endpoint.

When the rays of two angles form a straight line, the two angles are called supplementary angles.The sum of supplementary angles is always 180°.

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A bag contains orange, white, and purple marbles. If you randomly choose a marble from the bag, there is a 36% chance of drawing an orange marble and a 20% chance of drawing a white marble. Give the probability for purple

Answers

The probability of drawing a purple marble from the bag is 44%.

The probability of drawing a purple marble can be determined by subtracting the sum of the probabilities of drawing an orange and a white marble from 1, since these three events are mutually exclusive and exhaustive.

Given that there is a 36% chance of drawing an orange marble and a 20% chance of drawing a white marble, the sum of these probabilities is 36% + 20% = 56%.

To find the probability of drawing a purple marble, we subtract this sum from 100% (or 1):

1 - 56% = 44%.

Therefore, the probability of drawing a purple marble from the bag is 44%.

In summary, when randomly choosing a marble from the bag, there is a 36% chance of selecting an orange marble, a 20% chance of selecting a white marble, and a 44% chance of selecting a purple marble. These probabilities add up to 100%, ensuring that one of the three outcomes will occur.

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As part of a survey, 2400 people were asked to name their favorite sport to watch. The table below summarizes their answers. This information is also presented
as a circle graph.
Find the central angle measure, x, for the Baseball slice in the circle graph. Do not round.
Sport
Football
Soccer
Baseball
Basketball
Hockey
Other
Percentage
of People
29%
9%
14%
8%
8%
Soccer
Baseball
Basketball
Football
Other
Hockey

Answers

The central angle measure, x, for the Baseball slice in the circle graph is 50.4 degrees.

Given that, a survey was conducted in which 2400 people were asked to name their favorite sport to watch and the table below shows their answers: Sport percentage of people are:

Football 29%

Soccer 9%

Baseball 14%

Basketball 8%

Hockey 8%

Other 32%

We need to find the central angle measure, x, for the Baseball slice in the circle graph.

For this, we need to use the formula that gives the central angle measure in degrees for a sector of a circle:

Central angle measure = (Percentage/100) × 360°

Now, using the above formula, we can calculate the central angle measure for each sport as shown below:

Football: (29/100) × 360° = 104.4°

Soccer: (9/100) × 360° = 32.4°

Baseball: (14/100) × 360° = 50.4°

Basketball: (8/100) × 360° = 28.8°

Hockey: (8/100) × 360° = 28.8°

Other: (32/100) × 360° = 115.2°

The sum of all central angle measures should be 360°, which is the measure of a full circle.

So we can check if the calculations are correct: 104.4° + 32.4° + 50.4° + 28.8° + 28.8° + 115.2° = 360°

We see that the sum is indeed 360°, so the calculations are correct. The central angle measure for the Baseball slice is 50.4°.

Therefore, the central angle measure, x, for the Baseball slice in the circle graph is 50.4 degrees.

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The measure of angle 1 is 130⁰.

Answers

The measure of angle 1 is given as 130 degrees.the measure of angle 1 is 130 degrees provides specific information about the amount of rotation between the two rays or lines

An angle is a geometric figure formed by two rays or lines that share a common endpoint called the vertex. The measure of an angle is determined by the amount of rotation between the two rays or lines.

In this case, angle 1 has a measure of 130 degrees. This means that if we were to rotate one of the rays or lines forming the angle by 130 degrees, it would coincide with the other ray or line.

The degree is a unit of measurement for angles, and it is based on dividing a full circle into 360 equal parts. Each part, or degree, corresponds to a specific amount of rotation. In this case, angle 1 is measured to be 130 degrees, which is less than half of a full circle.

When interpreting the measure of angle 1, it's important to consider the context in which it is being used. Angles can be found in various settings, such as geometry, trigonometry, or real-world applications. Depending on the context, the measure of an angle can have different interpretations and implications.

In geometry, angles are used to describe the relationships between lines, shapes, and spatial configurations. They are often classified based on their measures, such as acute (less than 90 degrees), right (exactly 90 degrees), obtuse (greater than 90 degrees but less than 180 degrees), or straight (exactly 180 degrees).

In trigonometry, angles are used to define the ratios of sides in right triangles and to study periodic functions such as sine and cosine.

In real-world applications, angles can be used to measure directions, inclinations, or orientations of objects or phenomena.

Therefore, knowing that the measure of angle 1 is 130 degrees provides specific information about the amount of rotation between the two rays or lines

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A basket had 15 mangoes. A monkey came and took
away two-fifths of the mangoes. How many mangoes
were left in the basket

Answers

The correct answer is 20

Total mangoes: 15

Leftover mangoes after monkey took two fifth:

2/5 * 15

= 6

So, two-fifths of the mangoes are 6.

Now calculating leftover:

15 - 6

= 9 mangoes(ANSWER)

Find the measurement of WX

Answers

The measure of the arc angle WX is 100 degrees.

How to find the arc angle ?

The arc angle WX can be found as follows:

The measure of an inscribed angle is half of the measure of the intercepted arc and half the measure of the central angle intersecting the same arc.

Therefore,

arc WY = 2(75)

arc WY =  150 degrees

Therefore, let's find the arc  angle  WX as follows:

arc  angle  WX  = 360 - 150 - 110

arc  angle  WX  = 210 - 110

arc  angle  WX  =  100 degrees

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HURRY! The table shows the value of printing equipment for 3 years after it is purchased. The values form a geometric sequence. How much will the equipment be worth after 7 years?

Geometric sequence: a_n=〖a_1 r〗^(n-1)


Year Value $

1 $12,000

2 $9,600

3 $7,680

Answers

Find the common ratio, r, of the sequence

12 000 * r = 9600

r = 9600/12000 =  0.8

12000 ( 0.8)^6   = $ 3145.73  in year 7  ( I used '6' instead of '7' because 12 000 is listed as year '1'   and not year '0' )

You would like to have $20,000 to use a down payment for a home in five years by making regular, end-of-month deposits into an annuity that pays 6% interest compounded monthly.


How much should you deposit each month?




Round your answer to the nearest cent. Do not include the dollar sign in the answer box below.

Answers

The calculation of this can be done by first determining the future value of the monthly payments of $327.50

The future value of an annuity can be determined using a financial calculator, mathematical formula, or spreadsheet software. The future value of an annuity is calculated by multiplying the periodic payment amount by the future value factor,

which is based on the number of payments and the interest rate.For example, suppose we want to know the future value of a $500 end-of-month deposit into an annuity that pays 6% interest compounded monthly for five years.

The future value factor for 60 periods at 0.5 percent per month is 80.9747, which can be multiplied by the monthly deposit amount to find the future value of the annuity.500 × 80.9747 = 40,487.35

This means that a $500 end-of-month deposit into an annuity paying 6% interest compounded monthly for five years will have a future value of $40,487.35.

Therefore, to accumulate a $20,000 down payment for a home in five years, you would need to deposit $327.50 per month into the annuity.

 for 60 months using the formula and then solving for the monthly payment amount where FV = $20,000 and n = 60, r = 0.5%.FV = PMT [(1 + r)n – 1] / r$20,000 = PMT [(1 + 0.005)60 – 1] / 0.005PMT = $327.50 (rounded to the nearest cent).

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simplify using FOIL method (2x+3)•(2x-3)

Answers

Step-by-step explanation:

First    2x * 2x =   4x^2

Outer   2x * -3 =  -6x

Inner     3 * 2x = 6x

Last    3 * - 3 = -9

4x^2 -6x + 6x - 9   =  4x^2 - 9

Answer

4x²-9

Step-by-step explanation:

Please mark brainliest

What is the exact value of sin pi/3?

Answers

The exact value of sin(pi/3) is √3. By definition, the sine of an angle is the ratio of the length of the opposite side to the length of the hypotenuse. Therefore, sin(pi/3) = √3/1 = √3.

The exact value of sin(pi/3) can be determined using trigonometric properties and identities.

First, we know that pi/3 is equivalent to 60 degrees. In a unit circle, the point corresponding to 60 degrees forms an equilateral triangle with the origin and the x-axis. This triangle has side lengths of 1, 1, and √3.

To find the sine of pi/3, we consider the side opposite the angle (pi/3) in the triangle. In this case, the opposite side has a length of √3. The hypotenuse of the triangle is 1, as it is the radius of the unit circle.

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Find the Perimeter of the figure below, composed of a square and four semicircles. Rounded to the nearest tenths place

Answers

The perimeter of the figure, rounded to the nearest tenths place, is 41.1 units.

To find the perimeter of the figure composed of a square and four semicircles, we need to determine the lengths of the square's sides and the semicircles' arcs.

Given that the side length of the square is 4 units, the perimeter of the square is simply the sum of all four sides, which is 4 + 4 + 4 + 4 = 16 units.

Now, let's focus on the semicircles. Each semicircle's diameter is equal to the side length of the square, which is 4 units. Therefore, the radius of each semicircle is half of the diameter, or 2 units.

The formula to find the arc length of a semicircle is given by θ/360 * 2πr, where θ is the angle of the arc and r is the radius. In this case, the angle of the arc is 180 degrees since we are dealing with semicircles.

Using the formula, the arc length of each semicircle is 180/360 * 2π * 2 = π * 2 = 2π units.

Since there are four semicircles in the figure, the total length of the arcs is 4 * 2π = 8π units.

Finally, we can calculate the perimeter by adding the length of the square's sides and the length of the semicircles' arcs:

Perimeter = Length of square's sides + Length of semicircles' arcs

= 16 units + 8π units

To round the perimeter to the nearest tenths place, we need to determine the approximate value of π. Taking π as approximately 3.14, we can calculate the approximate perimeter as:

Perimeter ≈ 16 + 8 * 3.14 ≈ 16 + 25.12 ≈ 41.12 units.

Therefore, the perimeter of the figure, rounded to the nearest tenths place, is approximately 41.1 units.

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For each pair of functions f and g below, find f(g(x)) and g (f(x)).
Then, determine whether fand g are inverses of each other.
Simplify your answers as much as possible.
(Assume that your expressions are defined for all x in the domain of the composition.
You do not have to indicate the domain.)

f(x) = x+4
g (x) = x+4

Answers

The Function  f(g(x)) = g(f(x)) = x + 8.

The functions are: f(x) = x + 4 and g(x) = x + 4. We can find f(g(x)) by substituting g(x) in place of x in f(x).

f(g(x)) = f(x + 4) = (x + 4) + 4 = x + 8

Similarly, we can find g(f(x)) by substituting f(x) in place of x in g(x).g(f(x)) = g(x + 4) = (x + 4) + 4 = x + 8

Thus, we can see that f(g(x)) and g(f(x)) are equal to each other,

which is x + 8.

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decompose into partial fractions:
[tex]\frac{x^5-2x^4+x^3+x+5}{x^3-2x^2+x-2} \\ \\ \\ \frac{4x^2-14x+2}{4x^2-1}[/tex]

Answers

(1) (x + 1)/(x - 2) - (x + 1)/(x^2 + 1)

(2) -2/(2x - 1) + (3/2)/(2x + 1)

To decompose the rational expressions into partial fractions, we first need to factorize the denominators. Let's start with the first expression:

Factorizing the denominator:

x^3 - 2x^2 + x - 2 = (x - 2)(x^2 + 1)

Decomposing the fraction:

We have a linear factor and a quadratic factor, so the partial fraction decomposition will be of the form:

A/(x - 2) + (Bx + C)/(x^2 + 1)

Finding the values of A, B, and C:

Multiplying both sides of the equation by the common denominator (x - 2)(x^2 + 1) gives:

x^5 - 2x^4 + x^3 + x + 5 = A(x^2 + 1) + (Bx + C)(x - 2)

By equating coefficients of corresponding powers of x, we get:

A = 1

-2A + B = -2

A - 2B + C = 1

Solving this system of equations, we find A = 1, B = -1, and C = 0.

Therefore, the partial fraction decomposition is:

(x + 1)/(x - 2) - (x + 1)/(x^2 + 1)

Now let's move on to the second expression:

Factorizing the denominator:

4x^2 - 1 = (2x - 1)(2x + 1)

Decomposing the fraction:

Since we have two linear factors, the partial fraction decomposition will be of the form:

A/(2x - 1) + B/(2x + 1)

Finding the values of A and B:

Multiplying both sides of the equation by the common denominator (2x - 1)(2x + 1) gives:

4x^2 - 14x + 2 = A(2x + 1) + B(2x - 1)

By equating coefficients of corresponding powers of x, we get:

4A + 4B = 4 (coefficients of x^2)

A - B = -7 (coefficients of x)

A - B = 1 (constant term)

Solving this system of equations, we find A = -2 and B = 3/2.

Therefore, the partial fraction decomposition is:

-2/(2x - 1) + (3/2)/(2x + 1)

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Solve the equation log(base 2)(x) + log(base 4)(x+1) = 3.​

Answers

We can use the logarithmic identity log_a(b) + log_a(c) = log_a(bc) to simplify the left side of the equation:

log_2(x) + log_4(x+1) = log_2(x) + log_2((x+1)^(1/2))

Using the rule log_a(b^c) = c*log_a(b), we can simplify further:

log_2(x) + log_2((x+1)^(1/2)) = log_2(x(x+1)^(1/2))

Now we can rewrite the equation as:

log_2(x(x+1)^(1/2)) = 3

Using the rule log_a(b^c) = c*log_a(b), we can rewrite this as:

x(x+1)^(1/2) = 2^3

Squaring both sides, we get:

x^2 + x - 8 = 0

This is a quadratic equation that can be solved using the quadratic formula:

x = (-b ± sqrt(b^2 - 4ac)) / 2a

where a = 1, b = 1, and c = -8. Plugging in these values, we get:

x = (-1 ± sqrt(1^2 - 4(1)(-8))) / 2(1)

x = (-1 ± sqrt(33)) / 2

x ≈ -2.54 or x ≈ 3.54

However, we must check our solutions to make sure they are valid. Plugging in x = -2.54 to the original equation results in an invalid logarithm, so this solution is extraneous. Plugging in x = 3.54 yields:

log_2(3.54) + log_4(4.54) = 3

0.847 + 0.847 = 3

So x = 3.54 is the valid solution to the equation.

If the diameter of pulley A is 5.74 cm and the diameter of pulley B is 8.61 cm, what is the pulley ratio? please explain the steps.​

Answers

The pulley ratio is approximately 0.6667, calculated by dividing the Diameter of pulley A (5.74 cm) by the diameter of pulley B (8.61 cm).

The pulley ratio, we need to compare the diameters of the two pulleys. The pulley ratio is the ratio of the diameters of pulley A to pulley B.

Given that the diameter of pulley A is 5.74 cm and the diameter of pulley B is 8.61 cm, we can calculate the pulley ratio using the following steps:

Step 1: Write down the diameters of pulley A and pulley B.

  Diameter of pulley A = 5.74 cm

  Diameter of pulley B = 8.61 cm

Step 2: Calculate the pulley ratio.

  Pulley ratio = Diameter of pulley A / Diameter of pulley B

Substituting the given values, we have:

  Pulley ratio = 5.74 cm / 8.61 cm

Step 3: Simplify the ratio if possible.

  In this case, the ratio cannot be simplified further since the diameters do not have any common factors other than 1.

Step 4: Calculate the final result.

  Pulley ratio = 5.74 cm / 8.61 cm ≈ 0.6667 (rounded to four decimal places)

Therefore, the pulley ratio is approximately 0.6667.

When discussing technical concepts and calculations, it is important to maintain academic integrity and avoid plagiarism. Plagiarism involves using someone else's work or ideas without proper attribution. To ensure originality, it is essential to express the information in your own words and provide accurate calculations based on the given data.

In conclusion, the pulley ratio is approximately 0.6667, calculated by dividing the diameter of pulley A (5.74 cm) by the diameter of pulley B (8.61 cm).

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Determine two pairs of polar coordinates for (3,-3) when x^2-y^2=4 in polar coordinats

Answers

The two pairs of polar coordinates for the point (3, -3) when x² - y² = 4 in polar coordinates are (3√2, -45°) or (3√2, 315°) and (-3√2, 135°).

Given the Cartesian coordinate (3, -3), and the equation x² - y² = 4.To convert Cartesian coordinates to polar coordinates, we use the formula:r = sqrt(x² + y²)θ = tan⁻¹(y/x)

The first step is to substitute the given Cartesian coordinates into the formula:

r = sqrt(3² + (-3)²)r = sqrt(18)r = 3√2

To determine the angle θ, we first look at the sign of both the x and y coordinates. Since x is positive and y is negative, the angle θ is in the fourth quadrant.

To determine the angle θ, we use the formula:θ = tan⁻¹(y/x)θ = tan⁻¹(-3/3)θ = -45°Alternatively, we can add 360° to get the angle in the fourth quadrant:θ = 315°

Therefore, one pair of polar coordinates is (3√2, -45°) or (3√2, 315°).To determine the second pair of polar coordinates, we can add 180° to the angle and negate the radius,

since this will give us the same point but in the opposite direction.θ = -45° + 180° = 135°r = -3√2

Therefore, the second pair of polar coordinates is (-3√2, 135°).

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ITS DO TODAY HELPPPPPPP

Answers

The difference in the addition of both fractions is that they have different lowest common multiples.

How to solve Fraction Problems?

We want to add the fraction expression given as:

¹/₂ + ¹/₄

Taking the Lowest common multiple of 8, we have:

(4 + 2)/8 = 6/8

However, for the second fraction expression, we have:

¹/₂ + ¹/₃

Taking the lowest common multiple which is 6, we have:

(3 + 2)/6 = 5/6

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Find area of shaded area AND distance around the shaded area
Thank you!!

Answers

The Area of the shaded portion is: 28 in²

What is the Area of the shaded portion?

The formula for the area of a circle is:

A = πr²

Where:

A is Area

R is radius

Thus:

Area of circle = π * 10² = 314.2 in²

Area of quadrant = 314.2 in²/4 = 78.5 in²

Area of triangle is given by the formula:

A = ¹/₂ * base * height

Thus:

A = ¹/₂ * 10 * 10

A = 50 in²

Area of shaded portion = 78.5 in² - 50 in²

Area = 28 in²

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Now that you have strategies for finding the volume and surface area of a
sphere, return to problem 11-67 and help Alonzo answer his questions. That is,
determine:
The area of the Earth's surface that is covered in water.
The percent of the Earth's surface that lies in the United States.
. The volume of the entire Earth.
Remember that in Chapter 10, you determined that the radius of the Earth is
about 4,000 miles. Alonzo did some research and discovered that the land area
of the United States is approximately 3,537,438 square miles.
16

Answers

1. The area of the Earth's surface covered in water is approximately 0.71 * 201,061,929 = 142,550,781 square miles.

2. Approximately 1.76% of the Earth's surface lies in the United States.

3. The volume of the entire Earth is approximately 268,082,573,106 cubic miles.

To answer Alonzo's questions, let's calculate the required values using the given information:

1. The area of the Earth's surface that is covered in water:

The Earth's surface area can be calculated using the formula for the surface area of a sphere: 4πr^2. Given that the radius of the Earth is approximately 4,000 miles, we have:

Surface area of the Earth = 4π(4,000)^2 = 4π(16,000,000) ≈ 201,061,929 square miles.

Alonzo can research and find that about 71% of the Earth's surface is covered in water. Thus, the area of the Earth's surface covered in water is approximately 0.71 * 201,061,929 = 142,550,781 square miles.

2. The percent of the Earth's surface that lies in the United States:

The land area of the United States is approximately 3,537,438 square miles. To calculate the percentage, we divide the land area of the United States by the total surface area of the Earth and multiply by 100:

Percentage = (3,537,438 / 201,061,929) * 100 ≈ 1.76%.

Therefore, approximately 1.76% of the Earth's surface lies in the United States.

3. The volume of the entire Earth:

The volume of a sphere can be calculated using the formula: (4/3)πr^3. Substituting the radius of the Earth, we have:

Volume of the Earth = (4/3)π(4,000)^3 = (4/3)π(64,000,000,000) ≈ 268,082,573,106 cubic miles.

Thus, the volume of the entire Earth is approximately 268,082,573,106 cubic miles.

These calculations provide Alonzo with the approximate values he needs regarding the Earth's surface area covered in water, the percentage of the Earth's surface within the United States, and the volume of the entire Earth.

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The diameter of a circle is 8 meters. What is the angle measure of an arc л meters lo
Give the exact answer in simplest form.
DO
Submit

Answers

The angle measure of an arc π meters is 45°.

Given that, the diameter of a circle is 8 meters.

Radius of a circle = 8/2 = 4 meters

The formula to find the arc length of a circle is θ/360° ×2πr.

Here, θ/360° ×2πr.

π=θ/360° ×2π×4

1=θ/360° ×8

360°=8θ

θ=360°/8

θ=45°

Therefore, the angle measure of an arc π meters is 45°.

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A system of equations is given.

Equation 1: 4x − 6y = 10
Equation 2: 9x + 2y = 7

Explain how to eliminate x in the system of equations.

Answers

Step-by-step explanation:

To eliminate x in the system of equations:

1. Multiply Equation 1 by 9 and multiply Equation 2 by -4, this gives:

Equation 1: 36x -54y = 90

Equation 2: -36x - 8y = -28

2. Add the two equations together to eliminate x:

(36x - 54y) + (-36x - 8y) = 90 - 28

Simplifying, we get:

-62y = 62

3. Solve for y:

y = -1

4. Substitute y = -1 into one of the original equations, say Equation 1:

4x - 6(-1) = 10

Simplifying, we get:

4x + 6 = 10

5. Solve for x:

4x = 4

x = 1

Therefore, the solution to the system of equations is x = 1 and y = -1. We can check that these values are correct by substituting them back into the original equations and verifying that they satisfy both equations.

What percent of the front page is taken up by the
prom story, including the prom photograph?
A. 20%
B. 22%
C. 25%
D. 45%
E. 60%

Answers

The percent of the front page taken up by the prom story is 20%

Calculating the percent of the front page taken up by the prom story

From the question, we have the following parameters that can be used in our computation:

The front page


From the front page, we have

Area front page = 5 * 4

Area front page = 20

Also, we have

Prom = 2 * 2

Prom = 4

So, we have

Percentage = 4/20 * 100%

Evaluate

Percentage = 20%

Hence, the percent of the front page taken up by the prom story is 20%

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carey correctly graphs a liner function. the slope of the function is -1. the y-intercept is 3. which is careys graph

Answers

Carey's graph will be a straight line with a slope of -1 and a y-intercept of 3.

Carey correctly graphs a linear function with a slope of -1 and a y-intercept of 3. A linear function is represented by the equation y = mx + b, where m is the slope and b is the y-intercept.

In this case, the slope is -1, which means that for every unit increase in the x-coordinate, the y-coordinate decreases by 1 unit. The y-intercept is 3, indicating that the graph intersects the y-axis at the point (0, 3).

To plot the graph, Carey starts by marking the point (0, 3) on the graph. Then, for every unit increase in the x-coordinate, Carey moves one unit downward. Similarly, for every unit decrease in the x-coordinate, Carey moves one unit upward. These steps ensure the correct slope of -1.

After connecting the points, Carey will obtain a line that starts at the y-intercept (0, 3) and slants downward, with a slope of -1. The resulting graph will be a straight line extending to both sides of the coordinate plane.

In conclusion, it is represented by the equation y = -x + 3.

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At a local restaurant, the amount of time that customers have to wait for their food is normally distributed with a mean of 22 minutes and a standard deviation of 3 minutes. If you visit that restaurant 37 times this year, what is the expected number of times that you would expect to wait between 19 minutes and 23 minutes, to the nearest whole number?

Answers

To find the expected number of times you would wait between 19 and 23 minutes, we need to calculate the z-scores for these values and use them to find the area under the normal distribution curve between those values.

First, we calculate the z-score for 19 minutes:

z = (19 - 22) / 3 = -1

Next, we calculate the z-score for 23 minutes:

z = (23 - 22) / 3 = 0.33

Using a standard normal distribution table or calculator, we can find the area under the normal distribution curve between these z-scores:

P(-1 < z < 0.33) = 0.4082 - 0.3413 = 0.0669

This means that there is a probability of 0.0669 of waiting between 19 and 23 minutes for a single visit to the restaurant.

To find the expected number of times you would wait between 19 and 23 minutes over 37 visits, we multiply the probability for a single visit by the number of visits:

Expected number of times = 0.0669 x 37 ≈ 2.47

Rounding to the nearest whole number, we would expect to wait between 19 and 23 minutes about 2 times over 37 visits to the restaurant.

You have to conduct a survey in your school to find out which mode of transportation students prefer the most. Arrange the steps for comple
this project in order from start to finish.

Answers

Answer:

Here are the steps for conducting a survey in your school to find out which mode of transportation students prefer the most, arranged in order from start to finish:

1) Define the objective: Clearly define the objective of the survey, which is to determine the preferred mode of transportation among students in your school.

2) Determine the sample size: Decide on the number of students you want to include in your survey. This will depend on factors such as the size of your school and the resources available for conducting the survey.

3) Design the survey questionnaire: Create a well-designed survey questionnaire that includes relevant questions about different modes of transportation. Ensure that the questions are clear, unbiased, and cover all the necessary aspects.

4) Seek necessary permissions: If required, seek permission from school authorities or relevant individuals to conduct the survey on school premises and to involve students.

5) Pre-test the survey: Before distributing the survey to the entire student population, pre-test the questionnaire on a small group of students to identify any potential issues or areas for improvement.

6) Distribute the survey: Once the questionnaire has been finalized and pre-tested, distribute it to the selected sample of students. Ensure that the survey is distributed in a fair and unbiased manner, taking into account the diversity of the student population.

7) Collect the survey responses: Set a specific timeframe for students to complete the survey and collect the responses. Consider using a combination of online platforms and physical collection methods to maximize participation.

8) Analyze the data: Once you have collected all the survey responses, analyze the data to determine the preferred mode of transportation among students. Use appropriate statistical tools and techniques to interpret the results accurately.

9) Present the findings: Prepare a report or presentation summarizing the survey findings. Include key insights, trends, and any significant findings related to the preferred mode of transportation among students.

10) Share the results: Share the survey results with the school community, including students, teachers, and administrators. This can be done through presentations, newsletters, or other suitable communication channels.

By following these steps, you will be able to conduct a comprehensive survey to determine the preferred mode of transportation among students in your school.

Hope this helps!

I can not do it for you but I can give you what you should do

Explanation: take a survey

Find the value of each variable

Answers

The value of x is calculated as 30.

The value of y is calculated as 28.

What is the measure of angle x and y?

The measure of x and y is calculated by applying the following circle theorem as follows;

If line XZ is the diameter of the circle, then angle XYZ will be equal to 90 degrees.

The value of x is calculated as;

3x = 90

x = 90 / 3

x = 30

The value of y is calculated as follows;

2y + 34 = 90 (complementary angles sum up to 90 degrees)

2y = 56

y = 56/2

y = 28

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kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk

Answers

Answer:kkkkkkkkkkkkkkkkkkkkkkkkkkk mean ok 26 times

What is the slope of the line shown below? (-2,-3) (-4,-9)

Answers

The Slope of the line passing through the points (-2, -3) and (-4, -9) is 3.

The slope of a line, we can use the formula:

slope = (change in y) / (change in x)

Given the coordinates of two points on the line: (-2, -3) and (-4, -9), we can calculate the slope.

Let's denote the coordinates of the first point as (x₁, y₁) = (-2, -3) and the coordinates of the second point as (x₂, y₂) = (-4, -9).

The change in y is equal to y₂ - y₁, and the change in x is equal to x₂ - x₁.

change in y = -9 - (-3) = -9 + 3 = -6

change in x = -4 - (-2) = -4 + 2 = -2

Now we can substitute these values into the slope formula:

slope = (-6) / (-2)

To simplify the fraction, we can divide both the numerator and the denominator by their greatest common divisor, which is 2:

slope = 6 / 2

Simplifying further:

slope = 3

Therefore, the slope of the line passing through the points (-2, -3) and (-4, -9) is 3.

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