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Anika [276]
2 years ago
13

A hollow ball is made of rubber that is 2 centimeters thick. The ball has a radius to the outside surface of 6 centimeters. What

is the approximate volume of rubber used to make the ball? Use 3.14 for pi. 33.5 cm³ 267.9 cm³ 636.4 cm³ 904.3 cm³
Mathematics
1 answer:
forsale [732]2 years ago
7 0
Your answer is: 636.4 cm³
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The school band is ordering health bars to sell for a fundraiser. The company that sells the bars charges $0.40 per bar plus $20
Pepsi [2]

Answer: They can order from 0 to 449 bars, but no more.

Step-by-step explanation:

Given: The school band is ordering health bars to sell for a fundraiser. The company that sells the bars charges $0.40 per bar plus $20.00 for shipping regardless of the size of the order. The band must spend less than $200.00 on bars for the fundraiser.

The inequality below relates x, the number of bars that could be ordered, with the shipping costs and their spending requirements.

0.40x+20

To solve for x,  subtract 20 on both sides, we get

0.40x

Divide 0.40 on both sides, we get

x......... → the number of  bars that could be ordered, with the shipping costs and their spending requirements must less than 450.

Thus, they can order from 0 to 449 bars, but no more.

4 0
3 years ago
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9 + 5 = x - 11<br>how to find the x number
astra-53 [7]

9 + 5 = x - 11

combine like terms

14 = x - 11

add 11 to both sides

25 = x

or

x = 25

answer

x = 25

5 0
2 years ago
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Model to write 30 or 40 as a mixed number
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30 as a mixed number:
10 \frac{200}{10}
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2 years ago
write a function to model the volume of a rectangular prism if the length is 10cm and the sum of the width and height is 18cm.
Musya8 [376]
Let the length be l, width w and height h, then
Volume = length x width x height
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V(h) = 10(18 - h)h = 180h - h^2
V(h) = 180h - h^2
8 0
3 years ago
What is the gradient of the graph shown?<br> Give your answer in its simplest form.
Minchanka [31]

Answer:

m=3/2

Step-by-step explanation:

Two points are shown

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point 2: (2;0)

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m =  \frac{0 - ( - 3)}{2 - 0}

m =  \frac{3}{2}

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