2 years ago

Directions : find the area of each figure . round to the nearest tenth if necessary.

2 answers:

8 0

First split the box
I am going to spilt the bottom part so the bottom box is 18 and 6
And the top is 12 and 6 because the 12 had to be cut in half final multiply 18 times six and then add 12 times 6.
So the answer is 180 cm^2

alexdok [17]2 years ago

4 0

12x18 + 6x6 = 252cm²

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Determine the standard variation of the data below. (1, 2, 3, 4, 5)

Ne4ueva [31]

Calculate for the mean/ average of the given numbers:

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Then, we calculate for the summation of the squares of differences of these numbers from the mean, S

S = (1 - 3)² + (2 - 3)² + (3 - 3)² + (4 - 3)² + (5 - 3)²
S = 10

Divide this summation by the number of items and take the square root of the result to get the standard deviation.

SD = sqrt (10 / 5) = sqrt 2
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3 years ago

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Answer:

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Step-by-step explanation:

M=5×D

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