davidepitts davidepitts

11-09-2017
Mathematics

contestada

Suppose ∠A and ∠B are complementary angles, m∠A = (3x + 5)°, and m∠B = (2x – 15)°. Solve for x and then find m∠A and m∠B.

Respuesta :

kphung76127 kphung76127

11-09-2017

Complementary angles add to 90 degrees.

3x+5+2x-15=90
5x-10=90
5x=100
x=20 <=======

Plug in the value of x
3(20)+5
60+5
65= angle A <========

2(20)-15
40-15
25= angle B <========

Answer Link

Otras preguntas

Write a positive or negative number to represent each change in the high temperature. Tuesday's high temperature was 4 degrees less than Monday's high temperatu

solve the following equation x-5.5=4

Define each of the stress types:a. Stressb. Compressionc. Tensiond. Shearing

somebody HELP ASAP Brainly if right

A manager needs to assign her team to work on different types of programs in the community. Any team can work on any of the programs. However, the manager feels

What does the following word mean? mirando reading walking laughing looking

The volume and amount of aflium gas remains constant. Under these conditions, aflium gas has an initial pressure of 635 torr when it is at 67.0°C. What is the n

light passes through the air?

help please , thank you vv much

Please write a claim arguing that the colonies should not engage in war. (Virginia Conversation)