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LiRa [457]
3 years ago
15

Please help.

Mathematics
1 answer:
givi [52]3 years ago
4 0
Question 1: Like terms have the same variable, so it is 7b and b.
Question 2: Should be 6y and -9y..
Question 3: the answer is 1. It's 2n because it has the same variable.
Question 4:3a2b
Question 5: 2
Question 6:4x
Question 7:11v
Question 8:-8n
Question 9:-2x
Question 10:-2x this is the same as question 9?
Question 11:2r-14
Question 12:7m-7
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That would be 32 inches
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A particular sawdust pile has a base diameter of 25 feet when the height is 20 feet. Find the volume of this sawdust pile when i
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The volume of the sawdust pile is 11,039.06 ft³.

<h3>What is the volume of the pile?
</h3>

The shape of the sawdust pile would be a cone. The diameter is always proportional to its height.

Diameter = k x height

where k is equivalent to the rate of increase of the diameter with respect to the increase in height.

25= k20

k = 25 / 20

k = 1.25

Diameter when height is 30 ft = 1.25x 30 = 35.50 feet

Volume of the sawdust = \frac{1}{3}πr²h

Where:

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  • r = radius = diameter / 2 = 35.50 / 2 = 18.75
  • h = 30

\frac{1}{3} x 3.14 x 18.75² x 30 = 11,039.06 ft³

To learn more about the volume of a cone, please check: brainly.com/question/13705125

#SPJ1

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30 laps in 6 days = ? laps per day
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