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Assoli18 [71]
2 years ago
14

A sample of 50 11th graders were asked to select a favorite pattern out of 6 choices. The data list below shows what their favor

ite color patterns were, and the accompanying frequency table and bar graph represent these data. In the bar graph, the height of the blue-gray bar is 4, the height of the green bar is 9, and so on.
Suppose that, rather than being just a bar graph, the display you see above is a relative frequency bar graph. The vertical axis of the graph will be marked off in percentages, from 0 percent up to 30 percent. What will be the height of the green bar?

A.
15

B.
25

C.
9

D.
18

Mathematics
1 answer:
Helen [10]2 years ago
7 0

Answer:

D 18

Step-by-step explanation:

100% = 50 (all students)

1% = 100%/100 = 50/100 = 1/2 = 0.5

we get any percentage for any number by dividing the number by 1% (0.5) to see how often it fits in.

there are 9 votes for green.

9/ 0.5 = 18%

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PLEASE HELP ME!! THANK YOU!!
Alik [6]

Answer:

y \leq 4,

y ∈ [-∞, 4]

Step-by-step explanation:

Remember, the range of the function is all possible output values or y values.

As per the graph, it appears that the output, the y value, is less than or equal to 4. Hence:

y \leq 4

or

y ∈ [-∞, 4]

is the range, both are the same, they are just different ways of writing it.

6 0
4 years ago
On a sunny day, a tree casts a shadow that is 146 feet long. At the same time, a person who is 5.6
iVinArrow [24]
Let X = tree height.

X/146 = 5.6/11.2
3 0
3 years ago
4
algol13

Answer:

3,240 square meters

Step-by-step explanation:

Area of garden = 90*60= 5400 square meters.

Flowers grown on = 40%

So, grass grown on = (100 -40)% = 60%

60% of 5400 = 0.6*5400 = 3,240.

So, the area of the garden that is grass = 3,240 square meters.

7 0
3 years ago
Look at the triangular prism. Work out the volume of the prism.
xz_007 [3.2K]

Answer:

See explanation

Step-by-step explanation:

The question has missing details, as the diagram of the prism is not shown.

However, I'll solve using a general rule.

The volume of a triangular prism is:

Volume = \frac{1}{2}* b * h * l

Where

b = base

h = height

l = length

Take for instance:

b = 20cm

h = 10cm

l = 5cm

The volume is:

Volume = \frac{1}{2} * 20cm * 10cm * 5cm

Volume = 10cm * 10cm * 5cm

Volume = 500cm^3

Another instance (see attachment).

From the attachment:

b = 4.5cm

h = 5cm

l = 8cm

The volume is:

Volume = \frac{1}{2} * 4.5cm * 5cm * 8cm

Volume = 2.25cm * 5cm * 8cm

Volume = 90cm^3

7 0
3 years ago
Select the correct answer from each drop-down menu. In triangle ABC, mZA = 36°, mZB = 84, and m2C = 60°. The side lengths, in or
Ann [662]

Answer:

Step-by-step explanation:

The side opposite to greatest angle is longer

Angles in descending order, ∠B  >  ∠C  >  ∠A

Sides, CA  >  BA   > BC

5 0
3 years ago
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