escalantesilvia escalantesilvia
  • 03-10-2017
  • Mathematics
contestada

A and B are supplementary angles. If A = 7x - 18 and B = 8x + 3, find x

Respuesta :

choixongdong
choixongdong choixongdong
  • 03-10-2017
supplementary angles, sum = 180
7x - 18 + 8x + 3 = 180
15x - 15 = 180
15x = 195
    x = 13

answer
x = 13
Answer Link

Otras preguntas

How many grams of nicl2∙6h2o will be used to prepare a 0. 0350 m, 500. 0 ml of nicl2 solution?
Which diatomic molecule or ion has the shortest bond length?
What is the "stuff” that Dickie is given to drink before the exam? Why is he given it?
Please help ASAP!!! Thank you!
PLEASE HELP ASAP84 = h – 8 h = ​
Math-Convert the following units.Write your answer on a separate sheet of ppaper1.230.000 sq cm=_____sq m2.400 000 sq cm= ____ sq m3.60 000 sq cm= ____ sq m4.15
(SEND HELP) 50 points!!
Use a diagram to show that (3x+1)(x+2) is equivalent to 3x2+7x+2.
Which word belongs in this sentence? I can __ down at night and feel fulfilled. 1.Lie 2. Lay
If you dispense 40 ml of hexane, but it turns out you only need 5 ml, what should you do with the remainder?