Question

HELP ASAP WILL GIVE 5 MEDALS

Part A: Solve A = 9/2 (x + 28) for x.
Part B: Determine the value of x when A = 135.
Part C: Solve -np - 40 > 10 for n. Show your work.

I NEED HELP ASAP. I HAVE PART C BUT I HAVE NO IDEA HOW TO DO THE OTHER PARTS.

Answer 1

@ganeshie8

Answer 2

@zarkam21

Answer 3

@imqwerty @Tom_Boy_Rebel Can you help me?

Answer 4

idk this sorry :P

Answer 5

Which equation?
\[A=\frac{ 9 }{ 2 }(x+28)\]
or
\[A=\frac{ 9 }{ 2(x+28) }\]

Answer 6

The first one. @peachpi

Answer 7

9/2 is in multiplied in front of the parentheses, so you need to multiply both sides by its reciprocal to cancel it out. So multiply both sides by 2/9

Answer 8

So multiply the 9/2 and the 28 by 2/9?

Answer 9

@peachpi

Answer 10

no multiply the A and the 9/2 by 2/9

Answer 11

I am sorry. I am so confused. Would it be 2/9a?

Answer 12

@peachpi

Answer 13

yes.