3 years ago

The square of (-abc) is

1 answer:

5 0

It is read as a minus b minus c whole square. The (a - b - c)2 formula is expressed as (a - b - c)2 = a2 + b2 + c2 - 2ab + 2bc - 2ca.

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Evaluate 8 + w / 4 when w =16

ivolga24 [154]

Answer:

Step-by-step explanation:

16/4=4

4+8=12

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3 years ago

Help me solve this please

Anna71 [15]

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Consider a bell-shaped symmetric distribution with mean of 16 and standard deviation of 1.5. Approximately what percentage of da

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Answer: 95.45 %

Step-by-step explanation:

Given : The distribution is bell shaped , then the distribution must be normal distribution.

Mean : $\mu=\ 16$

Standard deviation : $\sigma= 1.5$

The formula to calculate the z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x = 13

$z=\dfrac{13-16}{1.5}=-2$

For x = 19

$z=\dfrac{19-16}{1.5}=2$

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3 years ago

What improper fraction or mixed number is 30/20 in simplest form

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30/20= 1 and 10/20 in simplest form that is 1 and 1/2

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