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2 years ago

Preston can type 40 words per minute. if he types at that same rate, about how many words can preston type in 30 minutes?

Mathematics

2 answers:

Alex787 [66]2 years ago

8 0

If Preston types 40 words per minute then he can type 1,200 words in 30 minutes. Just multiply 40 by 30.

trapecia [35]2 years ago

3 0

40 x 30 = 1,200 minutes

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Answer:

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Step-by-step explanation:

Given

$Radius, r = 9\ in$

$Height, h = 14\ in$

See attachment

Required

Determine the total surface area, T

T is calculated using:

$T = 2\pi r(r + h)$

Substitute values for r and h

$T = 2\pi * 9(9 + 14)$

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Remove bracket

$T = 2\pi * 9*23$

$T = 2\pi * 207$

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So, we have:

$T = 2 * 3.14 * 207$

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Step-by-step explanation:

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Step-by-step explanation:

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