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3 years ago

What is the value of x?

Mathematics

1 answer:

Ray Of Light [21]3 years ago

6 0

The Pythagorean Theorem states that a^2+b^2=c^2
We already have:
A^2+6^2=117
All we need to do is find the missing A by subtract b from c.
117-36=81
Now the square root of 81, 9.
So, x is 9 cm.

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The admissions officer at a small college compares the scores on the Scholastic Aptitude Test (SAT) for the school's in-state an

DedPeter [7]

Answer:

Step-by-step explanation:

The formula for determining the confidence interval for the difference of two population means is expressed as

Confidence interval = (x1 - x2) ± z√(s²/n1 + s2²/n2)

Where

x1 = sample mean score of in-state applicants

x2 = sample mean score of out -of-state applicants

s1 = sample standard deviation for in-state applicants

s2 = sample standard deviation for out-of-state applicants

n1 = number of in-state applicants

n1 = number of out-of-state applicants

For a 90% confidence interval, we would determine the z score from the t distribution table because the number of samples are small

Degree of freedom =

(n1 - 1) + (n2 - 1) = (17 - 1) + (10 - 1) = 25

z = 1.708

x1 - x2 = 1046 - 1118 = - 72

Margin of error = z√(s1²/n1 + s2²/n2) = 1.708√(37²/17 + 50²/10) = 31.052239

Confidence interval is - 72 ± 31.052239

7 0

3 years ago

Write 3/16 as a percent<br> A.) 6.25% <br> B.) 18.75<br> C.) 31.6<br> D.) 1875%

11Alexandr11 [23.1K]

Hello! Just by lookiing at the answer choices, we can eliminate D, because that percentage is just too big. What you would need to do is divide 3 by 16. 3/16 is 0.1875. Multiply that by 100 to get 18.75, which will be the percent, because percents are parts of 100. There. 3/16 is 18.75%. The answer is B: 18.75%.

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3 years ago

The lines shown below are parallel. If the green line has a slope of -3/7 what is the slope of the red line?

anastassius [24]

When any lines are parallel that means they have the same slope so the slope of the red line would also have a slope of -3/7

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3 years ago

B + 5/14 ; b=5/7<br> Help, please

Anna [14]

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3 years ago

What is the volume, in cubic ft, of a cylinder with a height of 3ft and a base radius of 4ft, to the nearest tenths place?

Mama L [17]

$v = \pi \times {4}^{2} \times 3 = 150.72 = 151$

4 0

4 years ago

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