Step-by-step explanation:
5x + 8 = x - 9
5x - x = - 9 - 8
4x = - 17
x = - 4 1/4
Can you explain the other stuff you wrote down so I can help? Can you put the stuff on a line so I can understand?
Answer:
13/15
Step-by-step explanation:
I assume you mean the ratio 4/5 : 12/13
Ratio means division, so it's 4/5 / 12/13
Multiply by reciprocal: 4/5 * 13/12 = 13/15
Answer:
B. No the ordered pair does not satisfy the equation
Step-by-step explanation:
y = -9x - 2
Substitute the point in and see if it is true
-37 = -9(4) -2
-37 = -36 -2
-37 = -38
This is not true so the point is not a solution
Answer:
Step-by-step explanation:
- 7.5b^3=7.5(2)^3=7.5×8=60
- 8.5+6c=8.5+6×7=8.5+42=50.5
I got 167/6
Hope it helps