2 years ago

Samir has written 10 pages

Mathematics

2 answers:

erastovalidia [21]2 years ago

8 0

Equation: y = 15x + 10
15(5) + 10 = 85
He had written 85 pages

olganol [36]2 years ago

4 0

Answer

85 pages in 5 months

Step-by-step explanation:

10+(15x5)=85

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Select three ratios that are equivalent to 7:6

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Study the stem-and-leaf plot. How many cars get 8 miles per gallon?

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2 years ago

The surface area S , of a right rectangular prism with length l , width w ,and height h can be found using the formula below

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First, replace all variables with the given values.
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3 years ago

A survey found that women's heights are normally distributed with mean 63.2 in. and standard deviation 2.4 in. The survey also

Effectus [21]

Answer: 99.51%

Step-by-step explanation:

Given : A survey found that women's heights are normally distributed.

Population mean : $\mu =63.2 \text{ inches}$

Standard deviation: $\sigma= 2.4\text{ inches}$

Minimum height = 4ft. 9 in.= $4\times12+9\text{ in.}=57\text{ in.}$

Maximum height = 6ft. 2 in.= $6\times12+2\text{ in.}=74\text{ in.}$

Let x be the random variable that represent the women's height.

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

For x=57, we have

$z=\dfrac{57-63.2}{2.4}\approx-2.58$

For x=74, we have

$z=\dfrac{74-63.2}{2.4}\approx4.5$

Now, by using the standard normal distribution table, we have

The probability of women meeting the height requirement :-

$P(-2.58$

Hence, the percentage of women meeting the height requirement = 99.51%

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3 years ago

HELPP PLEASEEE njjwjww

Phoenix [80]

There u go tried my best to work it out!! :))

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2 years ago