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3 years ago

Find the perimeter (help pls)

Mathematics

2 answers:

frez [133]3 years ago

6 0

Answer:

Step-by-step explanation:

Savatey [412]3 years ago

3 0

<h2>Answer:</h2>

63²

I'm hoping the bottom of the other side is 10 as well or this is wrong

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Is this decimal closer to 10 or 20?

PIT_PIT [208]

Answer:

Its closer to 10

Step-by-step explanation:

5 0

4 years ago

I need answers anyone help

GalinKa [24]

First one single solution second no solution 3rd one single forth one infinity and last 2 are single and infinity

7 0

3 years ago

Simora [160]

Using it's formula, it is found that the mean of the discrete random variable is given by:

B. 30.47.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

Hence, considering the table, the mean of the discrete distribution is:

E(X) = 23 x 0.16 + 25 x 0.09 + 26 x 0.18 + 31 x 0.12 + 34 x 0.24 + 38 x 0.21 = 30.47.

Hence option B is correct.

More can be learned about the mean of a discrete random variable at brainly.com/question/26660401

#SPJ1

4 0

2 years ago

Evaluate -2a^2 if a = -5/2<br><br> -25<br><br> -12 1/2<br><br> 25 <br><br> 12 1/2

OLEGan [10]

-12.5 or -12 1/2 so easy

5 0

4 years ago

An artist wants to frame a square painting with an area of 400 square inches . she wants

Artemon [7]

(a) $x^{2}$ = 400
(b) $\sqrt{x^2} = \sqrt{400}$
$x=20,-20$
(c) Only the positive solution makes sense because you cannot have a negative side length.
(d) Since one side of the painting is 20 inches, all four sides together will be 20*4 = 80 inches

6 0

3 years ago