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

Need Help!!!! Please!!! Explain!!!! Don't Understand!!!

What was Jefferson's main goal for Claiborne in the Territory of Orleans?

How do you solve for x?

Which table shows a proportional relationship between x and y?

Simplify: I'm going to send you the picture lol, wait a minute...

Are the underlined words in the sentence an independent clause, a subordinate clause, or neither? Is that the man whom we read about yesterday?

Fred wants to find the height of the tallest building in his city. He stands 169 feet away from the building. There is a tree 31 feet in front of him, which he

An archeologist discovered two artifacts buried beneath the ground. She found the first artifact at an elevation of -8 2/7 meters and the second at an elevation

Above are three political cartoons dealing with violations of civil liberties. For each of the three cartoons, explain the civil liberty or civil right being vi

what is 12-9×3×4+3 in three different ways