Use the distributive property to rewrite each expression. 4(5-2y)

Mathematics

1 answer:

makkiz [27]3 years ago

8 0

Answer:

20-8y is your answer

Step-by-step explanation:

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How do you solve 7.2>0.9(n+8.6)

labwork [276]

7.2>0.9(n+8.6)
multiply 0.9 by all in parentheses

7.2> (0.9*n) + (0.9*8.6)
7.2> 0.9n + 7.74

subtract 7.74 from both sides
-0.54> 0.9n

divide both sides by 0.9
-0.6> n

ANSWER: -0.6> n

Hope this helps! :)

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Which number should each side of the equation 4/5x=8 be multiplied by to produce the equivalent equation of x=10?

kompoz [17]

Answer:

Step-by-step explanation:

(4/5)x*5=8*5

4x=40

4x/4=40/4

x=10

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Ymorist [56]

We have the formula to compute the probability of having exactly k successed over n trials, given a probability p of success (and implicitly a probability 1-p of failure), which is

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Now, the probability of at least 3 successes is the union of the following event: exactly three successes,exactly four successes and exactly five successes.

We can compute their probability and sum them: $\binom{5}{3}\left(\frac{3}{7}\right)^3\left(\frac{4}{7}\right)^2 + \binom{5}{4}\left(\frac{3}{7}\right)^4\left(\frac{4}{7}\right)^1 + \binom{5}{5}\left(\frac{3}{7}\right)^5 \approx 0.36788$

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fenix001 [56]

Answer:

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Step-by-step explanation:

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