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

Question

04-05-2017
Mathematics

contestada

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

Respuesta :

Otras preguntas

The height ,h, in feet of a baseball that is popped up into the air is a quadratic function of the time,t, in seconds, since it was hit. An equation that may mo

How can the middle ages be considered the dark ages?

The variable X varies directly with Z the constant variation is -6 write an equation of a direct variation modeling the situation

Two step equations -5n+8=-7

Elyse has $18 on a gift card that she can use to rent movies online. The graph at the right shows the amount of money remaining on her gift card ba. sed on the

HELP How would I find C? would I have to subtract 180 from 50??

Please help me with polynomials. What is the zeros of x^2 + 2x + 4

The graphs of y=x2- 3 and y = 3x -4 intersect at approximately 1) (0.38,-2.85), only 2) (2.62,3.85), only 3) (0.38, -2.85) and (2.62,3.85) 4) (0.38, -2.85) and

calculate the magnitude of impulse applied to a 0.75 kilogram cart to change its velocity from 0.50 meters per second east to 2.00 meters per second east

Equanimity Equanimity · Answer 1 · 2017-05-04T04:58:07+02:00

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