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3 years ago

The length of a pencil is 7½ inches. What is the combined length of 9 pencils that are this size?

Mathematics

2 answers:

Leya [2.2K]3 years ago

7 0

Answer:

7in

Step-by-step explanation:

xxMikexx [17]3 years ago

3 0

Answer:

67.5

Step-by-step explanation:

7.5 (the lenght of the pencil) multiplied by 9 (the number of pencils) is 67.5

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Step-by-step explanation:

Step 1: Find the radius of the big cone

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$\frac{2}{5}=\frac{x}{10}$

$2(10)=5(x)$

$20/ 5=5x / 5$

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Step 2: Find the volume of the small cone

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$V = \frac{20\pi}{3}\ units^3$ ← Volume of Small Cone

Step 3: Find the volume of the large cone

$V = \frac{\pi*r^2*h} {3}$

$V=\frac{\pi*4^2*10}{3}$

$V = \frac{160\pi}{3}\ units^3$ ← Volume of Large Cone

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Schach [20]

Answer:

The shape of normal distirbution is a bell-shaped curve that opens downward.

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Step-by-step explanation:

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