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Vitek1552 [10]
3 years ago
15

How to simplify 1-4(u-1)

Mathematics
1 answer:
Nonamiya [84]3 years ago
4 0
1-4(u-1)
= 1- 4*u -4*(-1) (distributive property)
= 1 -4u+ 4
= -4u+ (1+4)
= -4u+5

Final answer: -4u+5~
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Answer:

<em></em>P(Even) = 0.547<em></em>

<em></em>

Step-by-step explanation:

Given

\begin{array}{ccccccc}{Sides} & {1} & {2} & {3} & {4} & {5} & {6} \ \\ {Freq} & {42} & {51} & {39} & {52} & {44} & {48} \ \end{array}

Required

P(Even)

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So:

P(Even) = P(2) + P(4) + P(6)

This is then calculated as:

P(Even) = \frac{n(2)}{Total} + \frac{n(4)}{Total} + \frac{n(6)}{Total}

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P(Even) = \frac{51}{Total} + \frac{52}{Total} + \frac{48}{Total}

The total frequency is:

Total =42+51+39+52+44+48

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So:

P(Even) = \frac{51}{Total} + \frac{52}{Total} + \frac{48}{Total}

P(Even) = \frac{51}{276} + \frac{52}{276} + \frac{48}{276}

Take LCM

P(Even) = \frac{51+52+48}{276}

P(Even) = \frac{151}{276}

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