2 years ago

If the sides of two polygons are in the ratio of 2:5, What is the ratio of the areas of the two polygons? *

Mathematics

1 answer:

Mumz [18]2 years ago

7 0

4:10, because 2*2=4, 5*2=10

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Answer:

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Step-by-step explanation:

40 × 1/8

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3 years ago

According to this property, x + 0 = x.

Mumz [18]

The identity property of addition states that the sum of any number and 0 is the original number.

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Kisachek [45]

Let $B_i$ denote the value on the $i$ -th drawn ball. We want to find the expectation of $S=B_1+B_2+B_3+B_4+B_5$ , which by linearity of expectation is

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(which is true regardless of whether the $X_i$ are independent!)

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$P(X_i=x)=\begin{cases}\frac1{10}&\text{for }x\in\{1,2,\ldots,10\}\\0&\text{otherwise}\end{cases}$