4 years ago

Give an expression in simplified for the perimeter of the figure below.

Mathematics

1 answer:

elena-s [515]4 years ago

5 0

Answer:

14x + 10

Step-by-step explanation:

distribute and add

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3 years ago

Two balls are drawn in turn without replacement from a box containing three green and two white balls.Find the probability of dr

AURORKA [14]

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A. 2/5

B.2/5

C. 3/5

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3 years ago

A. 167 sq. in <br>B. 248 sq. in <br>C. 340 sq. in <br>D. 375 sq. in

Irina-Kira [14]

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find the area of all the shapes

Base x height / 2 = area of triangle

12x10=120/2=60

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Step-by-step explanation:

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3 years ago

What is 62% of 25? plzzz I need help with this one

oksian1 [2.3K]

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4 years ago

If you add 21 to my number and then multiply the result by 3, you will get 84 more than two-thirds of my number. Find my number.

Ksivusya [100]

Based on the calculations, the unknown number is equal to $\frac{-45}{7}$

Let the unknown number be x.

<h3>How to find an unknown number:</h3>

Translate the word problem into an algebraic expression, we have;

Adding 21 to the unknown number:

$21 +x$

Multiplying the result by 3:

$3\times (21+x)$

84 more than two-thirds of the unknown number:

$\frac{2x}{3} +84$

Equating the equations, we have:

$3\times (21+x) = \frac{2x}{3} +84\\\\43+3x=\frac{2x}{3} +84$

Cross-multiplying, we have:

$43+3x=\frac{2x}{3} +84\\\\129+9x=2x+84\\\\9x-2x=84-129\\\\7x=-45\\\\x=\frac{-45}{7}$

Read more on word problems here: brainly.com/question/13170908

5 0

3 years ago

Give an expression in simplified for the perimeter of the figure below.​

Give an expression in simplified for the perimeter of the figure below.