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Lostsunrise [7]
3 years ago
7

If AB =CD, CD = 9in, BC = 5x, and AD = 53 in. , find x.

Mathematics
2 answers:
Inessa05 [86]3 years ago
3 0

Answer:

Step-by-step explanation:

U right it’s not any of them and if u single I’m here

Ivahew [28]3 years ago
3 0

Answer:

B.

Step-by-step explanation:

AD, the entire segment, is composed of the three segments AB, BC, and CD. In other words:

AD=AB+BC+CD

Since AB=CD, we can substitute:

AD=CD+BC+CD\\ AD=2CD+BC

We know that CD is 9 and BC is 5x. AD is 53. So, substitute:

53=2(9)+5x

Solve for x:

\begin{aligned} 53&=18+5x \\ 35&=5x \\ 7&=x \end{aligned}

The value of x is 7.

Hence, our answer is B.

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