r7ahMarityelilk r7ahMarityelilk

11-10-2016
Mathematics

contestada

If m∠4 = (3x)° and m∠8 = (x + 40)°, what is the measure of ∠4?

∠4 and ∠8 are vertical.

A.
20˚

B.
60˚

C.
40˚

D.
120˚

Respuesta :

ChildishTwissa ChildishTwissa

11-10-2016

It would be B. 60 degrees: 3x = x+40, minus the x from both sides of the equals sign to get 2x=40, divide by 2 from both sides and get x=20, to find L4 do 3×20 equaling 60 to be you'r answer. ^.^

Answer Link

Otras preguntas

what can 47/100 be simplified with?

what is the opposite of 3,7.5, and -2 2/3?

n/5 - 9n/10 = 1/5 What does n equal ?

Why is citizen participation essential to the preservation of the us political system

The weather has been so ______lately that I'm not sure whether to wear shorts or a down jacket.

In addition to possibly releasing harmful chemicals in the environment, mining is considered A. The most dangerous job in United States. B. The least dangerous

How do you solve 10+V-17v=4?

what do we call an economy that is both partly command and partly market

A race car travels from 0m/s to 60m/s what is the acceleration?

What four elements make up 96% of all living matter