Use compatible numbers to estimate the correct quotient.

Area of the circle S be 16π square. millimeter

What is an area of circle ?

The area of ​​a circle is the space the circle occupies in the two-dimensional plane. Alternatively, the space occupied within the boundary/circumference of a circle is called the area of ​​the circle. The formula for the area of ​​a circle is A = πr2, where r is the radius of the circle. A unit area is a unit square. Examples: m2, cm2, in2, etc. Circle area = π[tex]r^{2}[/tex]in square units (Pi)π = 22/7 or 3.14. Pi (π) is the ratio of the circumference to the diameter of any circle. This is a special mathematical constant.

It is given that the radius of circle S is half the radius of circle L and the radius of circle L is 8 millimeters.

Radius of the circle S = 8/2 = 4 millimeters

Area of the circle S = π[tex]r^{2}[/tex] = π[tex](4)^{2}[/tex] = 16π square. millimeter

Therefore, area of the circle S be 16π square. millimeter

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The value of x from given exponential equation is 6 / 23. An equation with exponents is called an exponential equation if one of the exponents is a variable.

The mathematical expression f(x)=exp or ex denotes the exponential function. The word, unless specifically stated differently, normally refers to the positive-valued function of a real variable, though it can be extended to the complex numbers or adapted to other mathematical objects like matrices or Lie algebras.

When the input variable x appears as an exponent in the formula f(x) = axe, an exponential function is indicated. The exponential curve is influenced by both the exponential function and the value of x.

Exponential growth and decay are the two different kinds of exponential functions.

23x = 6

Divide both sides by the same factor

23x /23 =6 /23

Simplify

x = 6/ 23

The value of x = 6 /23

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Answer:

1. A repeating decimal is a fraction [tex]\frac{a}{b}[/tex] where a and/or b are fractions and b is not equal to 0.

2. A decimal that ends is a ( n ) terminating decimal

3. Two numbers that have a sum of 0 are additive inverses

When a triangle rotated 180 degree counterclockwise, the new coordinates of the triangle would be (3,-1) (-2,-4) and (-5,3)

We know that if we rotate a point P(x, y) with 180 degrees counterclockwise about the origin then the translated point would be P'(-x,-y).

A given triangle having vertice at (-3,1) (2,4) and (5,-3) is rotated 180 degree counterclockwise.

We need to find the coordinates of the rotated triangle.

(-3,1) -> (3, -1)

(2,4) -> (-2, -4)

and (5,-3) -> (-5, 3)

Therefore, after rotation the triangle would have coordinates (3,-1) (-2,-4) and (-5,3)

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A game that has an equal probability of winning or losing is said to be fair.

What is probability ?

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.

The foundational elements of fair play can be observed and learned both on and off the field, and include honesty, solidarity, tolerance, care, excellence, and joy. Fair competition, respect, camaraderie, team spirit, equality, and sport without doping are also examples.

A simple game of chance is deemed fair if there is an equal chance of winning for each player. If there is an equal chance of selecting each alternative, the decision is fair. Your understanding of probability can help you evaluate the fairness of games and make just decisions.

Children love playing together more when everyone is being fair. Additionally, it plays a significant role in getting along with people.

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The probability of the two fair six sided dice thrown together and getting sum of shown numbers to 7 is equal to ( 1/ 7).

As given in the question,

Number of times both 6-sided fair dice rolled out = 2

Dice is numbered from 1 to 6

As both the dice rolled together order does not matter

Total possible outcomes are:

= { ( 1,1 ), (1,2) , (1,3),(1,4), (1,5), 1,6), (2,2), (2,3),(2,4),(2,5), (2,6), (3,3),(3,4), (3,5) ,(3,6), (4,4), (4,5), (4,6), (5,5), (5,6), (6,6) }

Total number of outcomes = 21

Dice shows sum of numbers to 7 are

= {(1,6), (2,5), (3,4), }

Number of favourable outcomes = 3

Probability of the thrown dice sum shows number 7

= (Number of favourable outcomes)/ (Total number of outcomes)

= 3 /21

= 1 / 7

Therefore, probability of the two six sided dice thrown together and show sum of numbers to 7 is equal to (1/7).

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The probability that the last passenger end up in his/her assigned seats is 0.20.

In the given question, there are 6 people in line to board a plane with 6 seats.

The first person has lost his boarding pass, so he takes a random seat.

Everyone that follows takes their assigned seat if it's available, but otherwise takes a random unoccupied seat.

We have to find the probability the last passenger ends up in his/her assigned seat.

Given 6 people with 6 Seats.

The probability that the last passenger end up in his/her assigned seats = 1/5

The probability that the last passenger end up in his/her assigned seats = 0.20.

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The distance on the number line between a number and 0 is its absolute value.

The visual representation of numbers on a straight line, either horizontally or vertically, is known as a number line.

When numbers are written down on a number line, it is straightforward for humans to compare them and perform basic arithmetic operations on them.

One might assume that a number line starts at zero (0). There are only negative numbers to the left of zero and only positive numbers to the right of zero.

In other words, as we move to the right on a number line, the value of the numbers increases.

The part of the number line to the left of zero is called the negative number line. But all is in the region to the right of zero.

Hence, The distance on the number line between a number and 0 is its absolute value.

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Answer:

x=2,y=−5

Step-by-step explanation:

When the arc's area is 24 square feet and its radius is 12 feet, the arc's length is 36.56 feet.

An arc is a section of a circle's or curve's border in mathematics. It is additionally known as an open curve. The circumference, commonly referred to as the perimeter, is the measurement around a circle that defines its edge. A sector is referred to as a component of a circle made up of the circle's arc and its two radii. It is a section of the circle made up of the arc's circumference and the radii of the circle at its ends. A slice of pizza or a pie can be used as an analogy for the form of a circle's sector.

Here,

area of sector=24π ft²

radius of sector=12 ft

area=θ/360*Π*12²

24π=θ/360*Π*12²

2=θ/360*12

2*360/12=θ

θ=60°

length of arc=2r+θ/360*(2Πr)

=2*12+60/360(2*3.14*12)

=24+2*2*3.14

length of arc=36.56 ft

The measure of arc is 36.56 feet when the area of arc is 24π feet² and it has the radius of 12 feet.

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Answer:

x = -3, y = 28

Step-by-step explanation:

-5x + y = 13

y = 13+5x

-3x+3(13+5x)=3 substitute

-3x + 39 + 15x = 3

12x + 39 = 3

12x = -36

x = -3

-5(-3) + y = 13 substitute into -5x+y=13

15 + y = 13

y = 28

Answer:

breadth = 4 ft ; length = 12 ft

Step-by-step explanation:

p/2 = 32/2 = 16ft

l + b = 16

b = 1/3 l

l + 1/3 l = 16

(3 + 1)/3 l = 16

4/3 l = 16

l = 16 · 3/4

l = 4 · 3

l = 12 ft

b = 12  · 1/3

b = 4 ft

Answer:

13.5%

Step-by-step explanation:

Given that μ = 144, σ = 27:

For x = 90: z= 90-144/27=-2

For x = 117: = 117-144/27 = -1

Therefore, From the normal distribution table: -2 gives .02275 and -1 gives .15866

So the required percentage = .02275 - .15866 = -0.13591= 13.5%

Hence, 13.5% of the population would be between 144 and 198

The equation for the first website is y = 5x + 15.

Two or more expressions with an equal sign are defined as an equation.

Given that, the website (1) charges a yearly fee of $15 and $5 for each download.

Therefore, the total cost, y, for x downloads is given by:
y = 15 + 5x

Or, y = 5x + 15

Hence, the equation for the first website is y = 5x + 15.

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Answer: 3^5=243. 1/243

Step-by-step explanation:

We calculate the amount of ways he can answer 5 questions. It's 3x3x3x3x3 because he has 3 questions at the start with each of the 3 having another 3 questions to choose from and so on.

The entries that complete the table are 1, 2, 8, 6 and 3.

Given:

These are the times for 200 people to get to work time people. A 10% sample, stratified by time, is taken.

Complete the table :

To do this, we multiply the number of people by the proportion of sample i.e. 10%.

The product is then approximated to the nearest unit

So, we have:

7 => 7 * 10 % ≈ 1

22 => 22 * 10 % ≈ 2

77 => 77 * 10 % ≈ 8

63 => 63 * 10 % ≈ 6

31 => 31 * 10 % ≈ 3

Hence, the entries that complete the table are 1, 2, 8, 6 and 3.

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Answer:

16.) The solution to this inequality is x < -4 or x > -3.

17.) To solve for b, we need to isolate b on one side of the equation. To do this, we can subtract ab from both sides of the equation, which gives us xy = cd - ab. Then, we can divide both sides of the equation by xy, which gives us b = (cd - ab)/xy.

18.) To solve for a, we need to isolate a on one side of the equation. To do this, we can divide both sides of the equation by 3, which gives us a - b = 3mn. Then, we can add b to both sides of the equation, which gives us a = b + 3mn.

19.) To factor this expression, we first distribute the 3x2 to get 3x2y - 6x2. Then, we notice that the 3x2 and the -6x2 have a common factor of -3x2, so we can factor them out to get -3x2(y - 2) - 5(y - 2). Finally, we notice that the -3x2(y - 2) and the -5(y - 2) have a common factor of -(y - 2), so we can factor them out to get -(y - 2)(3x2 - 5).

20.) To factor this expression, we notice that the kmfd and the -3jkm have a common factor of -jkm, so we can factor them out to get -jkm(f - 3).

21.) To factor this expression, we notice that 49 is a perfect square, so we can write 49 as 72. Then, we can factor out the x from the x2 to get 7x(x - 9).

22.) To factor this expression, we notice that 64 is a perfect square, so we can write 64 as 82. Then, we can factor out the x from the x2 to get 8x(x + y).

23.) To factor this expression, we notice that the x2 and the -35 have a common factor of x - 5, so we can factor them out to get (x - 5)(x + 7).

24.) To factor this expression, we notice that the 2x2 and the 14 have a common factor of 2, so we can factor them out to get 2(x2 + 11x + 7). Then, we notice that the x2 and the 7 have a common factor of x + 1, so we can factor them out to get 2(x + 1)(x + 7).

25.) To factor this expression, we notice that the x2 and the -63 have a common factor of x + 9, so we can factor them out to get (x + 9)(x - 7).

26.) To factor this expression, we notice that the 3x2 and the 7 have a common factor of 3x + 7, so we can factor them out to get 3(x + 1)(x - 2).

Answer:

Step-by-step explanation: why do I have a code to go for a walk in a few weeks to see what you are looking at and see what we can see when we can see how much we will be in our room for a few weeks to get the rest of the stuff done and we can make a new change of the time for you guys and we will miss it it is a great time for us and I will keep you posted if I need your assistance and help with the help for me am 11 sorry

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The answer to this Question based on angles is described below

What is Angle?

It is a measure of how much an ray has turned clockwise or anticlockwise.

wrt to a stationary fixed arc

Solution:

First we need to find A4

A2 is given as 131 hence G is also 131 by Vertically Opposite angles

And A and G are equal as Corresponding angles

Now we need A13 it will be same as A7 which is 74 by Alternate Angles

Now we need A9

we can see A9 + A13 = A7 + A6

A9 + 74 = A4

A9 + 74 = 131

A9 = 57

For A17

A17 + A9 + A13 = 180

A17 + 131 = 180

A17 = 49

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The area of the new parallelogram is A = n²bh

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

b = base of the original parallelogram.

h = height of the original parallelogram.

n = Factor of the products

The area of a parallelogram from the base and the height is calculated as

A = bh

In this case, we have

Each dimension of a parallelogram is multiplied by a positive number n.

This means that

Base = bn

Height = hn

So, we have

Area = bn * hn

Evaluate

A = n²bh

Hence, the area expression is A = n²bh

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The $25 represent the constant for the equation y=25+5h where she lawns for $25 each lawn, plus $5 for every hour she spends mowing.

A constant is a value or number that is consistently the same regardless of how it is expressed. For instance, in the a forementioned figure, when its face value is 36 and 82 respectively, 36 and 82 remain constant. Its worth remains constant. A constant in mathematics is a particular number or symbol that has been given a stable value. In other words, a constant is an expression-unchanging value or integer. It always has the same value.

Here,

The $25 serves as the constant in the equation y=25+5h, where she charges $25 for each lawn she mows and an additional $5 per hour.

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As per the gaussian distributed random variables , the joint probability density function of the given variable is E [Z(t1)] = cos(2πt1)E [X] + sin(2πt1)E [Y]

Gaussian distribution:

In statistics, the Gaussian distribution refers the normally distributed, and is called a normal deviate. Normal distributions are important in statistics and are often used in the natural and social sciences to represent real-valued random variables whose distributions are not known.

Given,

Here we need to find the the joint probability density function of the variables x and y be independent gaussian distributed random variables each with zero mean and unity variance.

Here we know that every weighted sum of the samples of the Gaussian process Z(t) is Gaussian, Z(t1), Z(t2) are jointly Gaussian random variables. Hence we need to find mean, variance and correlation co-efficient to evaluate the joint Gaussian PDF.

Then the equation is written as,

=> E [Z(t1)] = cos(2πt1)E [X] + sin(2πt1)E [Y]

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We reject the null hypothesis of the given sample data below.

A type of statistical hypothesis known as a "null hypothesis" makes the case that a given set of observations does not have any statistical significance. Using sample data, hypothesis testing is used to determine a hypothesis's credibility. It is represented as H0, and it is sometimes referred to as the "null."

it is given that,

P value=0.0045

Thus, alpha = 0.02

At the point when P esteem is not exactly or equivalent to the importance level, then reject the null hypothesis.

Here p esteem is not as much as the importance level then reject the null hypothesis H0.

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For the construction of an inscribed circle the required construction that must be known is the angle bisector. The correct option is (A).

The angle bisector is a line that divides an angle into two equal parts. For a circle inscribed in a triangle the line joining the center to the vertex is the angular bisector of the interior angle.

The diagram for the given case can be drawn as follows,

For the circle inscribed in the circle, all the sides are tangents.

By the property of tangents to a circle ∠ODB and ∠OFB are right angles.

Now, in ΔODB and ΔOFB the relation is obtained as,

∠ODB = ∠OFB  (right angles)

OB = OB           (Common sides)

And, OD = OF  (radius of the circle)

⇒ ΔODB ≅ ΔOFB (by RHS criteria)

This implies that ∠ODB ≅ ∠OFB.

Thus, the line joining the centre and the vertex of triangle bisects its angles.

Hence, for the given case the required construction to be known is the angle bisector of triangle.

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The equation for $95 for each ticket and free shipping y = 15 + 95x

In this situation, an equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenario. It is vital to note that an equation is a mathematical statement which is made up of two expressions.

Let the number of tickets be x.

Let the total amount is y.

The equation for $95 for each ticket and free shipping will be:

y = 15 + (95 × x)

y = 15 + 95x

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Answer:

A. 9x = 18

Step-by-step explanation:

4x - y + 5x + y = - 3 + 21

9x = 18

x = 2

Analyzing the graph of the linear equation, we can see that for 1.4 grams of chemical A you will need 1.2 grams of chemical B.

The amounts of chemicals A and B needed are modeled by the linear equation on the graph.

Here we want to see how much of chemical B is needed if we decide to use 1.4g of chemical A.

Chemical A is on the horizontal axis, so we need to find 1.4 on the horizontal axis, and then move upwards until we reach the linear equation, and then move to the left until we reach the vertical axis.

Doing that we can see that we will need 1.2 grams (3 little squares in the vertical axis) of chemical B.

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Answer:

Step-by-step explanation:

D: 15%