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

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

list of south korea's allies and enemies....

learning good personal skills and traits during your development will help you be a better adult. true or false.

What are a few of the positive things the Equal Rights Amendment would have done for women in America?

Which best describes the characteristics of lynchings in the South from 1880 to 1910? The number of lynchings in the South increased. The number of lynchings in

The smallest of the single-celled organisms that assist with decomposition in the soil are most likely to have which of the following characteristics?a. A diffe

suppose you make $12 an hr as a life guard at the community pool during the summer let h represent the number of hrs you work in a week write an expression that

The biosphere is best described as the regions of Earth that support _______. a. plant life b. animal life c. all life d. human life

what is the difference between accuracy and precision and which is most important to scientific measurement?

solve for yX = 3yPlease answerX = 3y

Summary of weathering , erosion , and deposition