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s344n2d4d5 [400]
3 years ago
6

Help me with math plz ASAP please

Mathematics
2 answers:
Marina86 [1]3 years ago
5 0

(-3)(7) = -21.  

y^8 and c^3 have different bases (y and c) and thus cannot be merged.

So we end up with -21c^3y^8.

Sidana [21]3 years ago
5 0

Answer:

\large\boxed{-21c^3y^8}

Step-by-step explanation:

-3y^8\cdot7c^3=(-3\cdot7)(y^8c^3)=-21c^3y^8

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Divide the equation by 8, the current value of "a".

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... x² -6x = -13

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The number of classes Anna can take so the total cost for the month will be the same is 5.

The monthly cost would be  $37.50.

<h3>When would the total cost be the same?</h3>

When the monthly cost is equal, both equations would be equal: 7.5x = 5.5x + 10

In order to determine the value of x, take the following steps:

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2 years ago
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Suppose we have an unfair coin that its head is twice as likely to occur as its tail. a)If the coin is flipped 3 times, what is
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Step-by-step explanation:

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Since,  its head is twice as likely to occur as its tail.

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So, here, n  = 3

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q=\dfrac{1}{3}

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P(X=1)=^3C_1(\dfrac{2}{3})^1(\dfrac{1}{3})^2=0.2222

b)If the coin is flipped 5 times, what is the probability of getting exactly 2 tails?

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P(X=3)=^5C_3(\dfrac{2}{3})^3(\dfrac{1}{3})^2=0.3292

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