If AB =CD, CD = 9in, BC = 5x, and AD = 53 in. , find x. 35
7
42
6
None of the other answers are correct

B.

Step-by-step explanation:

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

Since AB=CD, we can substitute:

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

Solve for x:

The value of x is 7.

Hence, our answer is B.

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

step-by-step explanation: