The table displays the scores of students on a recent exam. Find the mean of the
scores to the nearest 10th.
Score Number of Students
65
2
70
4
75
9
80
8
85
1
90
1

Based on the histogram, the interquartile rangle of the distribution is 5 inches.

The interquartile range is the difference between the third quartile of a data set and the first quartile of the data set.

First quartile = 1/4 x ( n + 1)

= 101 / 4 = 25.25

25.25 on the histogram is 66

Third quartile = 3/4 x (n + 1)

303 / 4 = 75.75

75.75 on the histogram is 71

Interquartile range = 71 - 66 = 5

Please find attached the image of the histogram. To learn more about histograms, please check: https://brainly.com/question/14473126

Answer:

81%

Step-by-step explanation:

200-38= 162

162/200= 81/100

81%

Answer:

93%

Step-by-step explanation:

100 x 186= 200 * x

18600/200 = 200x/200

93%=x

186/200 = 0.93

convert decimal to percent

0.93 x 100= 93%

​

Answer:

8.5

Step-by-step explanation:

area of a rhomus = (1/2)(product of its diagonals)

let the other diagonal be a

(1/2)(15a) = 60

15a= 120

a = 8

So let's find the hypotenuse of one of the right-angled triangles formed by the intersection of its diagonals

base = 4, height = 7.5

if h is the hypotenuse,

h^2 = 4^2 + 7.5^2

h = 8.5

Answer:

4/3  cups/tsp

Step-by-step explanation:

You want  cups / tsp    =   2/5 c / 3/10 tsp =    2/5 * 10/3   c/tsp = 20/15 = 4/3

Answer:

To find the perimeter of this triangle, we add up all the sides together.

(8 · √3) + (8 · √3) + √384

But before we add them, let's simplify them.

(8 · 1.7) + (8 · 1.7) + 19.6

13.6 + 13.6 + 19.6

27.2 + 19.6

= 46.8, is the perimeter of this triangle.

Now to find the area, we use the formula:

(formula for area of a triangle)

A = BH · 1/2

Where 'B' represents the base, 'H' stands for the height, and 1/2 means that you divide the product of the base and height by 2.

What we know:

Plug in the values into our formula:-

A = BH · 1/2

A = 13.6(13.6) · 1/2

A = 184.96 · 1/2

A = 184.96/2

A = 92.48, is the area for this triangle.

Answer:

1 2 3 5

Step-by-step explanation:

1 and 2 go into 6 and 10. 3 goes into 6 and 5 goes into 10

Answer:

Below!

Step-by-step explanation:

Since the "y" variable is on the L.H.S, we can rewrite y = 5 in slope intercept form to determine the slope and the y-intercept.

Now, let's compare the equation of the line with the formula.

Thus, we will obtain the following equations:

============================

Thus, the slope is 0 and the y-intercept is 5. Since the slope is 0, the line will be a horizontal line that intersects the y-intercept.

In this case, the y-intercept is 5. Thus, the line will be a horizontal line, intersecting the y-intercept (5). (Refer to graph).

If we simplify

Hence..

Graph attached

[tex]2x \times \frac{4}{3} = 4x \times \frac{2}{3}[/tex]

[tex] \frac{8x}{3} = \frac{8x}{3} [/tex]

Both are equivalents

The expression that represents a perfect cube is expressed as: 6 × 6 × 6

A perfect cube, x, is such that x × x × x = x³ = ∛x.

Thus, we have:

6 × 6 × 6 = 216

Cube root of 216 = ∛216

∛216 = 6

We can then conclude that the expression that represents a perfect cube is: 6 × 6 × 6

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Answer:

6x6x6

Step-by-step explanation:

Answer:

x = 15

Step-by-step explanation:

the 2 angles are a linear pair and sum to 180° that is

8x - 3 + 4x + 3 = 180

12x = 180 ( divide both sides by 12 )

x = 15

The angles are supplementary angles. Then the value of the variable 'x' will be 15.

The inclination is the separation seen between planes or vectors that meet. Degrees are another way to indicate the slope. For a full rotation, the angle is 360 °.

Supplementary angle - Two angles are said to be supplementary angles if their sum is 180 degrees.

The angles are 8x - 3 and 4x + 3. And they are supplementary angles. Then the equation is given as,

8x - 3 + 4x + 3 = 180

Simplify the equation, then we have

8x - 3 + 4x + 3 = 180

12x + 0 = 180

x = 15

The angles are supplementary angles. Then the value of the variable 'x' will be 15.

More about the angled link is given below.

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Answer:

9.5 cubic units

Step-by-step explanation:

You need to multiply everything together and divide by 2.

5 x 2 x 1.9/2 = v

19/2 = v

9.5 cubic units

Answer:

18/2.5 = 7.2

Step-by-step explanation:

Since there are 18 gallons at the beginning of the trip you divide by 2.5 to find out how much gas is left after each hour.

Answer:

Step-by-step explanation:

A reasonable estimate could be 14,300, or 14,000, or also you could do 14,290

Answer:

x=-96

Step-by-step explanation:

isolate x by moving -124x to the other side by adding -124x to -126x = -2x

then it will look like: 102= -2x-90

add 90 to both sides: 192= -2x

divide both sides by -2 to isolate x

x= -96

Answer:

Your answer is D. 5 children, 12 teens, and 3 adults.

Step-by-step explanation:

45 children, 108 teens, and 27 adults.

x - children , y-teens, z-adults

45x + 108y + 27z

GCF for 45, 108, 27 is 9 so factory out 9 to all.

[tex]\frac{45}{9} ,\frac{108}{9} ,\frac{27}{9} \\5,12,3[/tex]

5 children, 12 teens, and 3 adults.

[tex]\huge\text{Hey there!}[/tex]

[tex]\large\text{It seems like all of your numbers are apart of the 9 factors. So, we will }\\\large\text{DIVIDE each of your numbers by 9 until we find out the total}\\\large\text{population (also known as your result to this equation)}[/tex]

“[tex]\large\text{45 children, 108 teens, \& 27 adults}[/tex]”

[tex]\large\textbf{Equation \# 1.}\\\\\large\boxed{\rm{\dfrac{45\ children}{9\ children}}}\\\\\\\large\boxed{= \rm{45 \ children \div 9 \ children}}\\\\\\\large\boxed{\rm{= 5\ children\ in\ total}}[/tex]

[tex]\large\textbf{Equation \# 2.}\\\\\large\boxed{\rm{\dfrac{108\ teens}{9\ teens}}}\\\\\\\large\boxed{= \rm{108\ teens \div 9 \ teens}}\\\\\\\large\boxed{= \rm{12 \ teens \ in \ total}}[/tex]

[tex]\large\textbf{Equation \# 3.}\\\\\\\large\boxed{\rm{\dfrac{27\ adults}{9\ adults}}}\\\\\\\large\boxed{\rm{= 27\ adults \div 9 \ adults}}\\\\\\\large\boxed{\rm{= 3\ adults\ in\ total}}[/tex]

[tex]\huge\textbf{Therefore, your answer is:}\\\\\huge\boxed{\textsf{Option D. 5 children, 12 teens, 3 adults}}\huge\checkmark[/tex]

[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]

Ur mommy may know this

Step-by-step explanation:

she has been to school right?

Answer:

  (c)  Add 3 to 9

Step-by-step explanation:

The order of operations tells you that quantities in parentheses are evaluated first.

Here, that means the first step is finding the sum 3+9.

Answer:

40%

Step-by-step explanation:

1.50 - 0.90 = 0.60

0.60 cents are saved.

[tex]\frac{0.60}{1.50} = 0.4[/tex]

0.4 = 40%

hope this helps :)

Answer:

  $70

Step-by-step explanation:

The additional amount Stan needs will be the difference between his expected costs and the amount he has saved.

__

  $19,700 +125 +245 = $20,070

  $20,070 -20,000 = $70

Stan will need $70 more to cover the cost of the garage, permit, and insurance.

Answer:

True, Vertical, equal, equal, equal

Step-by-step explanation:

Just change only the second fill-in to "vertical angle" see image.

Answer:

3. 200ft
4. 21ft
5. 37.5m
6. 4.2ft

Step-by-step explanation:

3. use proportions:
[tex]\frac{h}{50} = \frac{50}{12.5}[/tex]
50(50) = 12.5h
h = 200ft

4.
[tex]\frac{h}{6} =\frac{7}{2}[/tex]
6(7) = 2h
h = 21ft

5.
[tex]\frac{25}{8} =\frac{x}{12}[/tex]
25(12) = 8x
x = 37.5m

6.
[tex]\frac{9}{15} =\frac{h}{7}[/tex]
9(7) = 15h
h = 4.2ft

Answer: 43.2

Step-by-step explanation: 100% = 120pounds

36% = 120/100 × 36/1

The slope or gradient has this formula when two points are given: m = y1 −y x1 −x In this case we have the points (-6,-8) and (-7,y) and m=-8.

no of sweet gave to peny is 24×3/8 = 9 sweets

rest was ate by him

so the sweet ate by him is 24-9 = 15 sweet

hope this helps you kindly mark me as brainliest and follow me

Based on the amount of sweets eaten by Gary and Ben, the person with more sweets left is Ben.

The sweets left by Gary are:

= 24 - (24 x 3/8)

= 24 - 9

= 15 sweets

The sweet left by Ben are:

= 30 - (2/5 x 30)

= 30 - 12

= 18 sweets

In conclusion, Ben has more sweets left.

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Answer:

[tex]\frac{3}{7}[/tex]

Step-by-step explanation:

expressing the ratio as a fraction, that is

27 : 63

= [tex]\frac{27}{63}[/tex] ( cancel numerator/ denominator by 9 )

= [tex]\frac{3}{7}[/tex] ← in simplest form

Answer:

6*6=36

Step-by-step explanation:

The sample minimum isn't an unbiased estimator as D. The mean of the sampling distribution of the sample minimums is 16, which is not 15.

A sampling distribution simply means a probability distribution that is obtained from a larger number of samples drawn from a population.

From the complete question, the sample minimum isn't an unbiased estimator as the mean of the sampling distribution of the sample minimums is 16, which is not 15.

In this case, the minimum of the ages of the officer is 15.

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The true statement is that the p-value is a probability that measures the support (or lack of support) for the null hypothesis.

In a statistical test, the p-value validates or invalidates the null hypothesis

This means that

So the true statement about the p value is that it measures the support (or lack of support) for the null hypothesis.

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If 13/15 was building then that means 2/15 was land( 1-13/15 = 2/15)

Multiply the total cost by 2/15

600 million x 2/15 = 80 million

the land cost 80 million