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Mrac [35]
3 years ago
5

Find the cube root.

Mathematics
1 answer:
nignag [31]3 years ago
4 0

9514 1404 393

Answer:

  (d)  5a²

Step-by-step explanation:

  \displaystyle\sqrt[3]{125a^6}=\sqrt[3]{5^3a^6}=\sqrt[3]{(5a^2)^3}=\boxed{5a^2}

__

The applicable rules of exponents are ...

  (a^b)^c = a^(bc)

  ∛a = a^(1/3)

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Solution -

The probability of getting 6 from a single roll of a fair dice = \frac{1}{6}

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So when the outcome is 6, then he wins $5 ,otherwise he has to pay $2

So

E(X) = Expectation value = (\frac{1}{6} )(5) - (\frac{5}{6} )(2)                                    ( ∵ $5 gain so +ve and $2 loss so -ve)

=\frac{-5}{6}

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3 years ago
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