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2 years ago

*** -6 Simplify 21v6 ÷ (-7v-6) O 0 -3y¹2 -3 12 0 -3 DONE 0 0

Mathematics

1 answer:

-Dominant- [34]2 years ago

3 0

Answer:

-3

Step-by-step explanation:

$\frac{ 21y {}^{ - 6} }{ - 7y {}^{ - 6} } \\ - 3y {}^{ - 6 - ( - 6)} \\ - 3y {}^{ - 6 + 6} \\ - 3y {}^{0} \\ - 3(1) \\ - 3$

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A container contains tiles numbered from 1 through 40. A tile is drawn randomly and replaced. Then a second tile is drawn random

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Answer:

The correct answer is $\frac{1}{1600}$ .

Step-by-step explanation:

A container contains tiles numbered from 1 through 40.

Let the experiment be to drawn a tile randomly from the container. The draws are carried on by replacement method. Then a second tile is drawn randomly.

Probability that the first tile is number 7 = $\frac{Possible outcomes}{Total outcomes}$ = $\frac{1}{40}$

Probability that the second tile is number 25= $\frac{Possible outcomes}{Total outcomes}$ = $\frac{1}{40}$

Thus the probability of the first tile is number 7 and the second tile is number 25 is given by $\frac{1}{1600}$ .

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Step-by-step explanation:

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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