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

as a reaction to the FTA signed in 1988 many Canadians ______.

The difference between the cellular make-up of a living organism and an aluminum can is the _____. ability to use energy ability to move complexity sensitivity

Dena is biking down a 9/10 mile bike trail. She stops to greet a friend after biking 1/3 of a mile. How much farther does she need to travel?

Which values of x will make the absolute value equation true? |x – 2| = 6

Which expressions, when evaluated with z = 8, are negative in value? Choose all answers that are correct. A. –2z – 14 B. –25 + 4z C. –2z + 15 D. 30

what was the life of Aphrodite like as an adult

Even though the Punnett square calculates that a couple has a 50/50 chance of producing a male or female, there are slightly more females born in the human popu

what is one of the biggest criticisms of the USA PATRIOT act

Suppose you have a 100-mL cup,a 300-mL cup, and a 500-mL cup. list two different ways you can measure exactly 1 L

In how many cells are the functions of unicellular organisms performed?