kayleeeann kayleeeann

04-05-2017
Mathematics

contestada

What is the value of 8 of a in the equation 5a-10b=45, when b=3

Respuesta :

Equanimity Equanimity

04-05-2017

Since B=3, we'll plug in 3 for B.
5a - 10(3) = 45.
Multiply 3 by 10 since it was "10b".
5a -30 = 45
Add 30 to each side to get 5a by itself.
5a = 75
Divide by 5 on each side.
a = 15
I hope this helps!

Answer Link

Otras preguntas

Which organelle breaks down sugar molecules that supply energy to the cell

Who was Geoffrey Chaucer?

Who changed the numerical strength of the Supreme Court? Herbert Hoover Abraham Lincoln Thomas Jefferson FD Roosevelt

in a group of 48 children there are three times as many boys as girls. how many girls are there

How did the production of penicillin change during World War II? Different types of penicillin were developed. Stronger types of penicillin were developed. Larg

The end of the war in Europe compared to the end of the war in the Pacific?

what fraction of a pound is 25 pence

By the 1700s, France and England were primarily in conflict with each other over

How did the Constitution overcome the weaknesses of the Articles of Confederation?

what fraction of a pound is 25 pence