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

A blank can be used in the Senate to stop a bill from being passed

Which sequence shows the different types of electromagnetic waves arranged in an increasing order of their frequency? A.)radio waves, microwaves, visible light,

What is Adam's point of view about giving legal rights and representation to women?

A car that costs $52,400 depreciates at the rate of 9.8% every year. how much in total, to the nearest cent, will the car depreciate after 10 years?

During a test, it is generally best to: A. answer all questions in order. B. answer the essay questions first. C. answer the least challenging question

A chemist measures 340 grams of sodium acetate. to convert this measurement to kilograms, the chemist should multiply 340 by _____.

Kimberley is hosting a party for her friends in an hour. She can make either five hamburgers or nine sandwiches in this time. Which will be a comparative advant

If you need to, and you do not actually have to lie, you can withhold part of the truth from people.

Atoms exists in more types than molecules do

How did the Maurya Empire originate? A.The Aryans defeated the Guptas in the Eastern Ghats. B.Asoka fought other rajahs to control the Indus valley.