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brilliants [131]
3 years ago
6

PLEASE help me

Mathematics
1 answer:
Kay [80]3 years ago
7 0

Answer:

D) 2(4a+7)

Step-by-step explanation:

when one divides both the number by 2 you get 4a+7 so the answer is 2(4a+7)

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that's hardly visible i wouldn't worry about it

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1+1=2

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Beth ate 6 apples. there were 16 in the refrigerator what percent did she eat?
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Beth ate 37.5% of the apples

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KatRina [158]
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Please help meeee (1/2) to the 4th power
Karolina [17]

Answer:

\frac{1}{16}

Step-by-step explanation:

\frac{1}{2} *\frac{1}{2} *\frac{1}{2} *\frac{1}{2} =\frac{1}{16}

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4 0
3 years ago
. According to a study done by researchers at Georgetown University, recent college graduates who majored in architecture have t
galben [10]

Answer:

The mean is 27.8

The required variance is 23.9358

Step-by-step explanation:

Consider the provided information.

Here the random sample size, n = 200

Unemployment rate is 13.9% = p = 0.139

Part (a) expected number of grads who are unemployed.

Mean = np\\Mean = 200\times 0.139\\Mean = 27.8

Hence, the mean is 27.8

Part (b) variance of the random variable "number of grads who are unemployed.

Variance = np(1-p)\\Variance = 200\times 0.139(1-0.139)\\Variance = 27.8(0.861)\\Variance = 23.9358

Hence, the required variance is 23.9358

8 0
3 years ago
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