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murzikaleks [220]
3 years ago
14

Find the value of x in each case. Give reasons to justify your solutions! e L, M ∈ KN

Mathematics
1 answer:
Greeley [361]3 years ago
8 0

Answer:

X=36

Step-by-step explanation:

3x+72=180

3x=180-72

3x=108

x=36

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Merrill is playing a simple game of dice. For every 6 rolled, Merrill will win $5. For any other number, he must pay $2. How muc
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Solution -

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

The probability of getting any other number rather than 6 would be 1-\frac{1}{6} = \frac{5}{6}

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}

∴ So Merrill will lose \frac{5}{6} dollar


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3 years ago
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If x ≥ 0, then x + |x| = ?
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Answer:

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Step-by-step explanation:

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8 0
2 years ago
If C = x2 + 8x + 3 and B = x – 8, find an expression that equals 3C + B in<br> standard form.
oksano4ka [1.4K]

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Step-by-step explanation:

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