batman2080
Answered

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Four students wrote expressions for the perimeter of the pennant. Who is correct?


Becca: 2(3x – 4) + x

Lucas: (3x – 4) + (3x – 4) + x

Christian: 6x + x – 4

Nina: 7x – 8


A pennant shaped like an isosceles triangle. One side of the triangle, the base, is labeled x. The other two sides of the triangle are labeled 3 x minus 4.

A

Lucas, Christian, and Nina


B

Becca, Christian, and Nina


C

Becca, Lucas, and Nina


D

Becca, Lucas, and Christian

Sagot :

MrRoyal

The perimeter of a shape is the sum of its side lengths

Becca, Lucas, and Christian are correct

How to determine the correct perimeter

The side lengths of the triangle are x, 3x - 4 and 3x - 4

So, the perimeter (P) is:

P = x + 3x - 4 + 3x - 4

The above equation can be rewritten as:

P =2(3x - 4) + x

P = 6x + x - 4

P = (3x - 4) + (3x - 4) + x

P = 7x - 4

Hence, Becca, Lucas, and Christian are correct

Read more about perimeter at:

https://brainly.com/question/17297081

malissamaxfield

Answer:

c

Step-by-step explanation:

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