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egoroff_w [7]
3 years ago
9

How to solve for a side in right triangles

Mathematics
2 answers:
Volgvan3 years ago
8 0
Pythagorean theorem
Serjik [45]3 years ago
6 0

Answer:

use the Pythagorean theorem a^2+b^2=C^2 where c is the length of the hypotenuse, or the length of the side opposite of the right angle. a and b are the length of the 2 smallest sides.

Step-by-step explanation:

hope this helps

Please mark me brainliest. It would help(✿◠‿◠)

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Edge: Which equation has a focus at (–6, 12) and directrix of x = –12?
Volgvan

Answer:

C) (y - 12)^2 = 12(x+9)

8 0
2 years ago
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21253 to the nearest hundred
Dahasolnce [82]

Answer:

21300

Step-by-step explanation:

3 keeps 50 the same, and if the number is below 4 then the number stays the same, if it's 5 and up the number goes up by one digit.

4 0
3 years ago
A cube has a length, width and height of 6 feet. What is the volume in cubic INCHES?
Inessa05 [86]

Answer:

Step-by-step explanation:

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3 years ago
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The weekly salaries of sociologists in the United States are normally distributed and have a known population standard deviation
netineya [11]

THIS IS THE COMPLETE QUESTION BELOW;

The weekly salaries of sociologists in the United States are normally distributed and have a known population standard deviation of 425 dollars and an unknown population mean. A random sample of 22 sociologists is taken and gives a sample mean of 1520 dollars.

Find the margin of error for the confidence interval for the population mean with a 98% confidence level.

z0.10 z0.05 z0.025 z0.01 z0.005

1.282 1.645 1.960 2.326 2.576

You may use a calculator or the common z values above. Round the final answer to two decimal places.

Answer

Margin error =210.8

Given:

standard deviation of 425

sample mean x=1520 dollars.

random sample n= 22

From the question We need to to calculate the margin of error for the confidence interval for the population mean .

CHECK THE ATTACHMENT FOR DETAILED EXPLANATION

4 0
3 years ago
(x-4)2 + 3x at the value x = 7
Volgvan

Answer:

30

Step-by-step explanation:

x = 7

( x - 4 )^2 + 3x

= ( 7 - 4 )^2 + 3 ( 7 )

= 3^2 + 21

= 9 + 21

= 30

6 0
2 years ago
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