kielieteag kielieteag

26-09-2018
Mathematics

contestada

b is the midpoint of ac find the length of ac. AB = 5x+9 and BC = 8x-36, A. 15 B. 84 C. 136 D. 168

Respuesta :

Veridian Veridian

26-09-2018

5x + 9 = 8x - 36
9 = 3x - 36
45 = 3x
15 = x

5x + 9 = 8x - 36
5(15) + 9 + 8(15) - 36 = ac
75 + 9 + 120 - 36 = ac
168 = ac

D is the correct answer

Answer Link

Otras preguntas

What is the slope-intercept form of the function that contains the point (8, 12) and has a slope of −2? y = x +

Regal Cinemas is selling tickets for the movie “Ghostbusters”. Tomorrow night , there are 73 tickets left to sell. If all the tickets are sold for the same pric

what is the equation in plot slope form of the line that passes through the point (-1, -3) and has a slope of 4

Given that 2^A×3^B×5^13=20^D×18^12, where A,B, and D are postive integers, compute A+B+D.

the. radio of the radius and height of a cylinder 2:3 if the volume is 12.936cm cube find tsa of cylinder

Which statement about the executive roles of the president of the United States and the queen of England is true? A. The president fills the roles of head of

Toe touches while seated is this type of stretch. A. ballistic B. dynamic C. static my answer is b correct me if am wrong P.E

16. Over a four-week period, Gail earned the following commissions: Week 1 $250.00 Week 2 310.00 Week 3 275.00 Week 4 195.00 What was

Which set of ordered pairs represents a function?

Jerry is working on soft, uneven ground. He needs extra support for his tripod because it keeps slipping. Jerry uses the tiny spikes at the bottom of his tripod