g\one cannot tell whether a data set is close to symmetric or not by looking at a histogram. true false

Answer: 70 liters of gas

Step-by-step explanation:

Answer:

Jesse will use 70 liters of gasoline to travel 700 kilometers.

Step-by-step explanation:

Step one: Find how much gasoline is used for one kilometer.

20/200 = 0.1

0.1 liters of gasoline is used for every kilometer traveled.

Step two: Multiply by 700

0.1 x 700 = 70

Step three: Get your Answer!

Jesse will use seventy liters of gasoline to travel seven hundred miles.

Hope my answer helped, have a great afternoon!

The ordered pair of the force of the parabola will be (2, -1).

It's the locus of a moving point that keeps the same distance between a stationary point and a specified line. The focus is a non-movable point, while the directrix is a non-movable line.

A parabola has a directrix of y = - 3 and a vertex at (2,1).

Since the directrix is upward, utilize the condition of a parabola that opens up or down.

(x − h)² = 4p(y − k)

The separation from the concentration to the vertex and from the vertex to the directrix is |p|. Deduct the worth of the directrix from the y direction of the vertex to track down p.

p = − 1 + 1 / 2

p = − 1/2

Then the equation is given as,

(x − 2)² = 4(1/2)(y + 1)

(x − 2)² = 2(y + 1)

The ordered pair of the force of the parabola will be (2, -1).

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The slope-intercept form of the equation can be written as y = -x - 19

The slope intercept form of a straight line is one of the most common forms used to represent the equation of a line. The slope intercept formula can be used to find the equation of a line when given the slope of the straight line and the y-intercept( the y-coordinate of the point where the line intersects the y-axis). Equation of line is the equation that is satisfied by each point that lies on that line.

The equation given is y + 9 = -(x + 10)

Rewriting this equation in y = mx + c format;

y + 9 = -(x + 10)

y + 9 = -x - 10

y = -x - 10 - 9

y = -x - 19

The equation is y = -x - 19

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The height in terms of x is 4/x², the cost function is C(x) = 7x² + 16/x, and the dimensions for minimum cost are 2/∛7 and ∛14.

a)

It is given that we need to consider the length of the square side to be x ft and the height to be h ft.

The volume of any cuboid

= Length X breadth X height

Here,

length = breadth = x ft

height is h ft.

Volume id 4 ft³

Hence,

x²h = 4

or, h = 4/x²

b)

Since this is a box for the kitten to sleep in, it cannot have any lid.

Hence it will have one square side of area x²  and 4 rectangular sides each of area xh

h = 4/x²

Hence,

xh = 4/x

The square bottom costs $7 per ft and the sides cost $4 per sq. ft

Hence cost to make the box

= 7x² + 4 X 4/x

= 7x² + 16/x

Hence, C(x) = 7x² + 16/x

c)

Here,

C(x) = 7x² + 16/x

Hence, to minimize the cost we will equate its first-order derivative with 0 to get

C'(x)= 0

or, 14x - 16/x² = 0

or, 14x³ - 16 = 0

or, 14x³ = 16

or, x³ = 16/14

or, x = 2/∛7

Hence h = 4∛14/4

= ∛14

Therefore, the dimensions are 2/∛7 and ∛14

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Complete Question

You are constructing a box for your cat to sleep in. The plush material for the square bottom of the box costs 7 dollars per square foot and the material for the sides costs 4 dollars per square foot. You need a box with a volume of 4 ft³. Use x to represent the length of the square base, and use h to represent the height of the box.

(a) Determine a formula for the height h in terms of x.

(b) Determine a formula for the total cost C(x) of the materials for the box.

(c) Find the dimensions (in ft) of the box that minimize cost. (length of base and height)

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The domain of the given function f(x) is {x| –4 < x ≤ 4}. Option A is correct.

First, let us understand the domain of a function:

The domain of a function is the set of all possible inputs for the function.

We are given the following;

All points of the step function f(x) are graphed.

We need to determine the domain of f(x).

The unfilled / open dot shows that we don't include that number.

The filled / closed dot shows that we can include that number.

So, we can see that it is open at -4 and closed at 4.

So, it is written as -4 < x and 4 ≥ x.

So, the domain is -4 < x and 4 ≥ x.

Thus, the domain of the given function f(x) is {x| –4 < x ≤ 4}. Option A is correct.

Please find the given graph below:

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The zeroes of the polynomial are -2,1,3,-1

The locations where a polynomial becomes 0 overall are known as the zeros of the polynomial. The term "zero polynomial" refers to a polynomial with a value of zero (-1). The largest power of the variable x is referred to as a polynomial's degree.

In general, the value of P(k) at x = k is denoted by P(k), and it can be found by substituting x by k in P if P(x) is a polynomial in x and k is any real number. The real number k is referred to as the zero of a polynomial P(x) if P(k) = 0.

Given:- The polynomial is f(x)=(x+2)(x-1)(x-3)(x+1)

The polynomial is divided into its factors

we equate each of the factors with the term 0

x+2=0

x=-2

x-1=0

x=1

x-3=0

x=3

x+1=0

x=-1

Hence the zeroes of the polynomial f(x)=-2,-2,1,3

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a) The percentage of students who passed the exam, given that they completed the exam review is of 73%.

b) The percentage of students who passed the exam, given that they did not complete the exam review, is of 27%.

c) There is a positive association between passing the exam and completing the exam review.

A percentage is obtained by the division of the desired amounts by the total amounts, multiplied by 100%.

For item a, these amounts are given as follows:

Hence the percentage is of:

p = 55/75 = 0.73 = 73%.

For item b, these amounts are given as follows:

Hence the percentage is of:

p = 20/75 = 0.27 = 27%.

There is a positive association between passing the exam and completing the exam review, as the percentage of students who passed completing the review, found in item a, is greater than the percentage of students who passed without completing the review, found in item b.

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For a farmer interested in data-driven decision-making regarding effect of 3 fertilizers on the crop yield the hypothesis testing used to determine any potential difference in the yield between the three fertilizers is ANOVA test (Option C).

Hypothesis testing refers to the statistical inference method utilized to determine if the available data sufficiently supports a particular hypothesis. Hypothesis testing enables decision makes to establish probabilistic statements about population parameters. ANOVA test stands for Analysis of Variance and refers to a statistical test utilized to evaluate the difference between the means of more than two groups. A one-way ANOVA uses one independent variable and a two-way ANOVA uses two independent variables. As the farmers want to evaluate the difference between three fertilizers' effect on crop yield, the appropriate test is ANOVA test.

Note: The question is missing options which are a) Two sample t-tests. b) Paired t-test. c) ANOVA test. d) One sample t-test.

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Answer:

[tex]\boxed{\sf x=\cfrac{5}{6}}[/tex]

Step-by-step explanation:

[tex]\sf -\cfrac{5}{6}=-\cfrac{1}{4}-\cfrac{7}{10}x[/tex]

[tex]\sf -\cfrac{1}{4}-\cfrac{7}{10} \; x=-\cfrac{5}{6}[/tex]

Add 1/4 to both sides:-

[tex]\sf -\cfrac{1}{4}-\cfrac{7}{10}x+\cfrac{1}{4}=-\cfrac{5}{6}+\cfrac{1}{4}[/tex]

Simplify:-

[tex]\sf -\cfrac{7}{10}x=-\cfrac{7}{12}[/tex]

Multiply both sides by 10:-

[tex]\sf 10\left(-\cfrac{7}{10}x\right)=10\left(-\cfrac{7}{12}\right)[/tex]

Simplify:-

[tex]\sf -7x=-\cfrac{35}{6}[/tex]

Divide both sides by -7:-

[tex]\sf \cfrac{-7x}{-7}=\cfrac{-\cfrac{35}{6}}{-7}[/tex]

Simplify:-

[tex]\sf x=\cfrac{5}{6}[/tex]

____________________

Hope this helps!

Have a great day! :)

Answer:

x = 5/6

Step-by-step explanation:

Given equation,

→ (-5/6) = (-1/4) - (7/10)x

Now the value of x will be,

→ (-5/6) = (-1/4) - (7/10)x

→ (-7/10)x = (-5/6) + (1/4)

→ (-7/10)x = (-10 + 3)/12

→ x = (-7/12) × (-10/7)

→ x = 10/12

→ [ x = 5/6 ]

Hence, the answer is 5/6.

Answer:

-10.24

You can double check this answer by plugging it in for u, so -10.24 dived by 2 then plus 3, which indeed equals -2.12

so, u does equals -10.24

Using the concepts of ratio and proportion, we got that $6.4 as the money will be added onto the bill for the tip to the the waitress at the restaurant who provided really good service.

We are given that we are giving the waitress 20% tip, means that apart from the actual bill we give her 20% of actual bill cost

So, 20%of $32 is given by

=(20/100)×32

=32/5

=$6.4

Hence, if the waitress at the restaurant provided really good service, so me and my friends  decided to add on an 20% tip to your $32 bill, the money that  will be added onto the bill for the tip is $6.4

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Answer:

3

Step-by-step explanation:

3 x 3 = 9

Based on the sum of their ages, Mark's brother is 14 years old.

Let us assume the age of Mark be x. Now forming the equation based on mentioned information.

Mark's age = x

Mark's brother's age = x + 5

x + x + 5 = 23

Performing addition on Left Hand Side of the equation

2x + 5 = 23

Shifting 5 to Right Hand Side of the equation

2x = 23 - 5

Performing subtraction on Right Hand Side of the equation

2x = 18

Shifting 2 to Right Hand Side of the equation

x = 18a1 ÷ 2

Performing division on Right Hand Side of the equation

x = 9

So, Mark's age = 9

Mark's brother's age = 9 + 5

Mark's brother's age = 14

Hence, Mark's brother's age is 14 years.

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Answer:

IMPORTANT- Triangle Sums up to 180.

Step-by-step explanation: According to the symbol, both sides are congruent. Which means they have the same degrees (Also known as an isosceles triangle). Since the left side of the angle measures 58.5 degrees, the right side angle is also 58.5. Sum up both sides --->

= 58.5+58.5 = 117

*every triangle sum to 180*

= Whole triangle degrees Subtract ( - ) to 117 = 180-117 = 63

So subtracting the whole triangle measure (180*) to 117 ( 117 is the degrees of both sides together)  is 63. So "x" is equal to 63 degrees.

Answer: "x" equals 63 degrees.

For Double checking:

Turn "x" into 63 and add all the sides measures and check if it sum's up to 180 (which is the measure of the whole triangle.)

Numerical Setup for double-checking :

58.5+ 58.5 +X(63) =180

58.5 +58.5 +63 = 180

Answer:

The points ​(6​,​7) and ​(​36,​42) form a proportional relationship. Find the slope of the line through the points. Then use the slope to graph the line.

Step-by-step explanation:

to find slope from 2 points you do delta y over delta x meaning

42 - 7 over 36 - 6 which equals to 35/ 30 which simplifies down to 7 over 6 or 7/6 so the slope of the line is 7/6 to graph it you need the b to get the b you take one of the points and the slope and do y = mx + b.

42 = 7/6(36) + b

42 = 42 + b

subtract 42 from both sides right to left to get variable alone

0 = b so

y = 7/6x + 0 but you never put the 0 you just leave at

y = 7/6x and graph. Start at 0 go up 7 to the right 6  

P.S. I was bored so I felt like doing the rest of it  ^_^

Answer:

√12 is between 3 and 4.

Explanation

The number [tex]\sqrt{12}[/tex] is an irrational number that is between 3 and 4.

The given number is [tex]\sqrt{12}[/tex]

The irrational number is such a number that cannot be expressed in the form of p/q, and are nonterminating and non-repeating.

The number 12 is an irrational number since its value, 3.4641016, has no repeating or ending digits after the decimal, and it cannot be represented as a fraction.

The value  [tex]\sqrt{12}[/tex] is 3.464101

So, the value [tex]\sqrt{12}[/tex] is between 3 and 4.

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The first system of equations is consistently independent, the second one is inconsistent, and the third one is consistently dependent.

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

The first system of equations:

4x + y = 8

x + 3y = 8

4/1 ≠ 1/3 = 1  (consistent independent)

The second system:

-4x + 6y = 2

2x - 3y = 1

-4/2 = -6/3 = 2  (incosistent)

The third system:

5x - 2y = 4

5x - 2y = 6

5/5 = -2/-2 ≠ 4/6 (consistent dependent)

Thus, the first system of equations is consistently independent, the second one is inconsistent, and the third one is consistently dependent.

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The equation of the line is y = -x +3

We need to calculate the line which is perpendicular to y = x +4 and passes through the point (1, 2)

The given equation is y = x +4

Comparing this equation with the general equation of the line, y = mx +c, we get the slope of the equation as 1

Now, When two lines are perpendicular to each other, the product of their slopes is -1.

So, the slope of the required equation is -1.

Now, the equation of the line which passes through the points,  and has slope m, is given by

[tex]y - y_{1} = m(x -x_{1} )[/tex]

Putting the values in the general equation, we get,

y - (2) = -1(x - 1 )

y - 2 = -x +1

y = -x +3

The equation of the line is y = -x +3.

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Answer: f^−1(x)=2x−10

Explanation: switch the x and y to get:

x = y/2 + 5

Then isolate y by multiplying 2 on both sides and moving 10:

2x = y + 10

- 10 -10

2x -10 = y

Answer:

x = 13  x = 1

Step-by-step explanation:

(13-7) = 6

6^2 = 36

1-7 = -6

(-6)^2 = 36

For conducting experiment based on effect of a net force , to apply net force on the object two other quantities should be measured in each trial of the experiment is given by velocity and time.

As given in the question,

To conduct a experiment based on the effect of net force applied to an object the dependable quantities are as follow:

Force = mass × acceleration

As object remain same ⇒ mass is constant as object remain same.

And there is change in the acceleration.

Acceleration depends change in velocity over total time taken.

Acceleration depends on velocity and time.

Net force also depends on velocity and time.

Two measurements need to know  while conducting trail experiments are velocity and time.

Therefore, to conduct experiment based on effect of a net force , to apply net force on the object two other quantities should be measured in each trial of the experiment is given by velocity and time.

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Answer:

tan 25° = b / 8 m

Step-by-step explanation:

You need to know what the ratios are.

sin X = opp/hyp

cos X = adj/opp

tan X = opp/adj

For angle B, the opposite leg is b, ad the adjacent leg is 8 m.

The hypotenuse is AB.

sin B = sin 25° = opp/hyp = b/AB

tan B = tan 25° = opp/adj = b / 8 m

60.59 seconds  will pass before the planes are at the

same altitude.

5953.79 ft  is the altitude when they're at the same

altitude.

What is altitude?

The height at which something is relative to a planet's or a natural satellite's surface, like sea level or land

To answer this question, you need to determine the altitude difference and speed difference between plane B and plane A.

The initial altitude difference should be: 3500 feet-1970  feet= 1530 feet.

The speed difference should be: 65.75 ft/s - 40.25 ft/s= 25.5 ft/s

After that, you can determine how long will pass before the plane at the same altitude. The calculation would be:

Final altitude difference= Initial altitude difference + speed difference*time

0 ft= 1530 ft + (25.25ft/s * time)

25.25 time= -1530

time= 60.59 second

To determine the altitude you just need to sample either plane A or plane B. Let's use plane B for an easier initial altitude. The calculation would be:

Final altitude= initial altitude + speed*time = 1970 +  65.75 ft/s *60.59s= 5953.79 ft

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The number of real solution of the system y = [tex]3x^2[/tex] and y = 3x - 2 is zero

The system of equations are

y = [tex]3x^2[/tex]

y = 3x - 2

Then the equation will be

[tex]3x^2[/tex] = 3x - 2

Move 3x - 2 to the left hand side of the equation

[tex]3x^2[/tex] - 3x + 2  = 0

Find the value of [tex]b^2[/tex] - 4ac

Here value of a = 3

The value of b = -3

The value of c = 2

Substitute the values in the expression

= [tex](-3)^2[/tex] - 4×3×2

= 9 - 24

= -15

Here the value of  [tex]b^2[/tex] - 4ac is -15

Therefore there is no real valued solution

Hence, the number of real solution of the system y = [tex]3x^2[/tex] and y = 3x - 2 is zero

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Answer:

(-1, -4)

Step-by-step explanation:

Make the y value the opposite value.

Answer:

380.2 hours

Step-by-step explanation:

find how much he receives an hour:

$50/10min × 6 = $300/hr

find out the number of hours it takes:

$114,058 ÷ $300 = 380.19hours

≈ 380.2 hours (to 1 decimal point)

The Taylor has to pay $8.95 as shipping charge for his total purchase of some dog grooming and pet supplies for $140.

To Determine Percent

Here given shipping charge ,

Shipping charge = $8.95 or 5.5% of total purchase, which is greater.

Total purchase of Taylor = $140.

Here given shipping charge = 5.5 % of $140.

5.5 % of 140

= (5.5 /100)*140

= (5.5*140) / 100

= 770 / 100

= 7.7

5.5 % of total purchase = $7.7

Since $8.95 is greater that $7.7.

They take $8.95 as shipping charge.

Therefore the Taylor pay's $8.95 as shipping charge .

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well, we know that R, S and T are on the same straight line, hmmmm wait a second!! that means that the slope for RS must be the same as the slope for ST, heck, what's the slope for ST anyway?

[tex]S(\stackrel{x_1}{3}~,~\stackrel{y_1}{8})\qquad T(\stackrel{x_2}{1}~,~\stackrel{y_2}{2}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{2}-\stackrel{y1}{8}}}{\underset{run} {\underset{x_2}{1}-\underset{x_1}{3}}} \implies \cfrac{ -6 }{ -2 } \implies 3[/tex]

ahha!! that means that the slope for RS is really 3, hmmmm

[tex]R(\stackrel{x_1}{4}~,~\stackrel{y_1}{t})\qquad S(\stackrel{x_2}{3}~,~\stackrel{y_2}{8}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{8}-\stackrel{y1}{t}}}{\underset{run} {\underset{x_2}{3}-\underset{x_1}{4}}} ~~ = ~~\stackrel{\textit{\LARGE m}}{3} \\\\\\ \cfrac{8-t}{-1}=3\implies 8-t=-3\implies 11-t=0\implies 11=t[/tex]

The probability that a randomly selected tire will have a life of at least 38,100 miles is 0.9115.

What is probability?

Probability is a way to gauge how likely something is to happen. Many things are difficult to forecast with absolute confidence. Using it, we can only make predictions about the likelihood of an event happening, or how likely it is.

Let, the life expectancy of a particular brand of tire is normally distributed with a mean of 30,000 and a standard deviation of 6,000 miles.

So, μ = 30000, σ = 6000, x = 38100.

Therefore,

z  = (x - μ) / σ

   = (38100 - 30000) / 6000

   = 8100 / 6000

   = 81 / 60

z  = 1.35

Now,

P(X = 38100) = P(z = 1.35) = 0.9115

Hence, the probability that a randomly selected tire will have a life of at least 38,100 miles is 0.9115.

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