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3 years ago

8

Convert 39 ft/min to yd/s?

1 answer:

nydimaria [60]3 years ago

6 0

<span>To solve this we need two conversion factors: 1yd = 3ft, and 1min = 60s. To convert the units, you need to manipulate the conversion factor so that the units in the denominator cancel the units in the denominator: (39ft/min) * (1yd/3ft) = 13yd/min. The units of ft cancel out leaving 13yd/min. (13yd/min) * (1min/60s) = 0.217yd/s</span>

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2 years ago

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Answer:

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3 years ago

If a coin is flipped 75 times, in how many ways could there be exactly two tails?

Dimas [21]

Answer:

2775 ways

Step-by-step explanation:

We have been given the case to choose exactly two tails when flipped 75 times means $^{75}C_2$

Since, $^nC_r$ is equal to $\frac{n!}{r!\cdot(n-r)!}$

Here n =75, r=2 substituting the values we will get

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3 years ago

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Answer:

Hope this helps!!

Step-by-step explanation:

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2 years ago

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