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skelet666 [1.2K]
3 years ago
9

What is the area of a isosceles triangle with a side length of 25, a base length of 30, and a height of 20?

Mathematics
1 answer:
Nina [5.8K]3 years ago
3 0

Take your base x the height, than 1/2 it. The answer would be 300.

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For a sample of n = 30 scores, X = 45 corresponds to z = 1.50 and X = 40 corresponds to z = +1.00. What are the values for the s
TEA [102]

Answer:

30

Step-by-step explanation:

Here, it is given that the Z – score corresponding to the score X = 45 is 1.5 and the Z – score corresponding to the score X = 40 is...

Z = \frac{X - M}{S}

So:

1/ 1.5 = \frac{45 - M}{S} and 1 = \frac{40 -M}{S} . solve the both equations, we found out:

<=> S = 10

=> M = 30

Hence, mean is:

M = 45 -1.5S = 45 - 1.5 (10) = 30

3 0
3 years ago
What is 5y-4(-4-7y) using Distributive property
AlexFokin [52]

Answer:

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Step-by-step explanation:

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3 years ago
A circle has an 18 inch radius and a shaded sector with a central angle of 50 degrees. What is the area of the shaded sector
Katyanochek1 [597]
Answer: The area of the sector will be about 141.3 square inches.

First, we need to find the area of the entire circle. The formula is pi(r^2). Inputting 18 for the radius makes the area of the circle about 1017.36 square inches.

Now, we multiply by the area by the size of the sector. It is 50 degree out of the entire 360 degrees. That is about 13.9%.

Multiply 13.9% by 1017.36 to get an area of about 141.3 square inches for the sector.
5 0
3 years ago
What is the the value of m in the equation 1/2m-3/4n=16, when n=8
Norma-Jean [14]
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explanation:
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3 0
1 year ago
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AlladinOne [14]

Step-by-step explanation:

{x}^{2}  + 15x + 56

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taking common

x(x + 7) + 8(x + 7)

(x + 8) (x + 7)

6 0
3 years ago
Read 2 more answers
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