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

How does this propaganda depict the Japanese?

Plz help !!! I’ll give crown you

Rectangle ABCD with dimesions of 8 cm by 12 cm is dilated by a scale facor k=1.5. a. Find the area of Rectangle A'B'C'D': b. How many times larger is the peri

One oak tree cell with 14 chromosomes undergoes meiosis. How many cells will result from this process,???

Match your vocabulary word to its definition. 1. cash crop military rulers 2. caudillos value of goods and services made within a country 3. cultural conver

1. A bag contains 4 gold coins and 5 silver coins. Two coins are taken out at random from the bag, one at a time, without replacement. Find the probability that

Karlie wants to eat a good breakfast before taking a test. What are the best foods for her to eat? O sugary foods with limited fiber O protein-rich foods and su

need help with this ASAP plssss

I'm confused, help me! How does this e-mail show how an individual can influence government? "Dear Cynthia Citizen, Thank you for your letter about your floode

Below are five questions from a survey of MBA students. Answers were written in the blank at the left of each question. For each question, state the data type (