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blondinia [14]
3 years ago
7

Cindy can type 65 words per minute. David can type 75 words per minute. In 7 minutes, how many more words can David type than Ci

ndy?
Mathematics
1 answer:
DENIUS [597]3 years ago
6 0

Answer:

70

Step-by-step explanation:

It's 70 because first you have multiply for Cindy's words 65×7=455 then multiple David's 75 word times 7 and you get 525. Lastly, You subtract both of their totals and get 70

Hope this helped!

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Answer:

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Step-by-step explanation:

\cos(3x)=-1\iff3x=\pi+2k\pi\qquad k\in\mathbb{Z}\\\\\text{divide both sides by 3}\\\\x=\dfrac{\pi}{3}+\dfrac{2k\pi}{3}\\\\x\in[0,\ 2\pi)

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3 years ago
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How many marbles, each with a volume of 36 cubic centimeters, are needed to fill in a cylindrical vase with a radius of 6 centim
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The volume of a cylinder can be found using the formula:

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