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Lina20 [59]
3 years ago
13

One side of a square is 3x + 2. Which expression represents the perimeter?

Mathematics
2 answers:
just olya [345]3 years ago
5 0
Hi!

When finding the perimeter of a square, you multiply the value by 4.

4(3x + 2)
12x + 8

The answer is 12x + 8

Hope this helps! :)
-Peredhel
MissTica3 years ago
4 0

Your answer would be 12x + 8 because there are 4 sides to a square and they are all 3x + 2, so you would need to multiply 3x + 2 by 4 which you can do by expanding brackets which gives you 4(3x + 2) and thus when you multiply it out you get 12x + 8. I hope this helps!

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On a coordinate plane, triangle R S T has points (negative 5, 6), (3, 4), and (negative 2, 2). Which expression can be used to f
pav-90 [236]

The area of a triangle is the amount of space on the triangle

The expression that represents the area of the triangle is A = \frac 12|-5(2 -4) +3(2 -6) -2(4 -6)|

The coordinates of the triangle are given as:

R = (-5,6)

S = (3,4)

T = (-2,2)

The area (A) of a triangle from its coordinates or vertices are:

A = \frac 12|x_1(y_3 -y_2) +x_2(y_3 -y_1) + x_3(y_2 -y_1)|

Substitute values for x's and y's

A = \frac 12|-5(2 -4) +3(2 -6) -2(4 -6)|

Hence, the expression that represents the area of the triangle is A = \frac 12|-5(2 -4) +3(2 -6) -2(4 -6)|

Read more about areas of triangles at:

brainly.com/question/9664477

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Step-by-step explanation:

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