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3 years ago

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The screen is 9 feet tall and the string is 15 feet long. If x is the distance, in feet, along the ground from the stake to the

screen, what is the value of x ? Enter the value of x in the box.

1 answer:

Bad White [126]3 years ago

7 0

Answer:

c

Step-by-step explanation:

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The amount of time it takes to see a doctor a CPT-Memorial is normally distributed with a mean of 33 minutes and a standard devi

Eva8 [605]

Answer:

a) <em>Z-score = 0.75</em>

b) <em>Z-score = -32.833</em>

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that mean of the Population = 33

Given a standard deviation of the Population = 12

Let 'X' be a random variable in a normal distribution

Let 'X' = 42

<u><em>Step(ii):-</em></u>

<em> </em> $Z = \frac{x-mean}{S.D}$ <em></em>

<em> </em> $Z = \frac{42-33}{12} = 0.75$ <em></em>

<u><em>Step(iii):-</em></u>

<em>Given that mean of the Population = 89</em>

Given a standard deviation of the Population = 1

Let 'X' be a random variable in a normal distribution

Let 'X⁻ = 82

<em> </em> $Z = \frac{x^{-} -mean}{\frac{S.D}{\sqrt{n} } }$ <em></em>

<em> </em> $Z = \frac{82-89}{\frac{1}{\sqrt{22} } } = -32.833$ <em></em>

<em>Z-score = -32.833</em>

<em></em>

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3 years ago

A box contains plain pencils and pens. A second box contains color pencils and crayons. One item from each box is chosen at rand

pochemuha

Answer:

1/2

Step-by-step explanation:

its 1 out of 2 chances

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3 years ago

Solve for x. Show each step of the solution. 4.5(4 − x ) + 36 = 202 − 2.5(3x + 28)

ella [17]

Answer:

dherherth

Step-by-step explanation:

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3 years ago

The smaller triangle is the image of the larger triangle after a dilation. The center of the dilation is (4,2). What is the scal

zzz [600]

Small triangle: <span>The side // x axis has a length of 4
Large triangle: The side // x axis has a length of 12

So Small/Large = 4/12 = 1/3

Small triangle: <span>The side // y axis has a length of 3
Large triangle: The side // y axis has a length of 9

</span><span>So Small/Large = 3/9 = 1/3

So the scale factor to obtain this dilatation is 1/3</span>

</span>

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3 years ago

Read 2 more answers

Solve the inequality.

ANEK [815]

Answer:

P<-28...u should do this

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3 years ago