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Harlamova29_29 [7]
2 years ago
9

HELP PLEASE solve the following equation for x. 9-x/2+2= SHOW WORK

Mathematics
1 answer:
ASHA 777 [7]2 years ago
6 0

Answer:

9+2=x/2

11=x/2

11×2=x

x=22

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The manager of a supermarket wants to obtain information about the proportion of customers who dislike a new policy on cashing c
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Answer:

n = 61 costumers

Step-by-step explanation:

For calculating the number of costumers he should sample we use the next equation:

n = \frac{z_{1-\alpha/2}^{2}p(1-p)}{E^{2} }

                          Where E is the error that we are prepared to accept, in this  case E = 0.15

How we don't know the value of p, we can estimate it like p = 0.5

∝ = 1-0.98 = 0.02

1-∝/2 = 0.99

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Answer:

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Step-by-step explanation:

Area of the given composite figure = Area of the rectangle ABCE - Area of triangle CDE

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4 0
2 years ago
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