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3 years ago

Can someone help and show the work please

Mathematics

1 answer:

Snowcat [4.5K]3 years ago

3 0

Answer:

Step-by-step explanation:

We have the rectangle and the right triangle.

The formula of an area of a rectangle:

<em>l</em> - length

<em>w </em>- width

We have <em>l = 10 in</em> and <em>w = 5 in</em>. Substitute:

The formula of an area of a triangle:

<em>b</em> - base

<em>h</em> - height

We have <em>b = 5 in</em> and <em>h = 5 in + 5 in = 10 in</em>. Substitute:

The area of figure:

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The amount of time needed for a certain machine to process a job is a random variable with mean EXi = 10 minutes and Var(Xi)=2 m

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Step-by-step explanation:

Given that :

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