Middle School

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An isosceles triangle has two equal sides, labeled [tex]x[/tex], which are longer than side [tex]y[/tex]. The triangle has a perimeter of 7.5 m.

Which equation can be used to find the value of [tex]x[/tex] if the shortest side, [tex]y[/tex], measures 2.1 m?

A. [tex]2x - 2.1 = 7.5[/tex]
B. [tex]4.2 + y = 7.5[/tex]
C. [tex]y - 4.2 = 7.5[/tex]
D. [tex]2.1 + 2x = 7.5[/tex]

Answer :

Answer:

D. 2.1 + 2x=7.5

Step-by-step explanation:

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Rewritten by : Jeany

Answer:

2.1 plus 2 x equals 7.5

Step-by-step explanation: