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

when we write a paragraph we should consider three(3) main elements which are

FREEEEEEEEEE 100 POINTS DUDE!!!!!!!!!!!!!!! HURRY

The theory of how Russia started is A. Indian traders came to settle B. Mezo Americans came for jobs C. Scandinavian Vikings followed Rivers Inland & Settl

why regional balance is necessary for the equitable distribution of development

Once you inoculate the rabbit plasma containing media for the coagulase test, how long do you wait to read the sample results

To be considered a source of water pollution, the source must include a chemical. Please select the best answer from the choices provided ОТ OF

The y-component of the force F which a person exerts on the handle of the box wrench is known to be 70 lb. Determine the x-component and the magnitude of F.

from “Where I Lived, and What I Lived For” in Walden by Henry David Thoreau Look at a meeting-house, or a court-house, or a jail, or a shop, or a dwelling-house

please help! will mark brainliest

Which of the following is NOT a right granted to juvenile under the Supreme Court case in re gault •the right to confront witness •the right to be notified of c