7x-55/40-x = 1/2
14x-110 = 40-x
15x = 150
x = 10
GJ = 40-x = 40-10 = 30
Inversely proportional: z = k/r
k = 32 * 1.5 = 48
Plug that into equation
8 = 48/r
Multiply both sides by r
8r = 48
Divide by 8
r = 6
Answer:
<h3>
(2x - 1) 4</h3>
STEP
1
:
Equation at the end of step 1
((((16•(x4))-(32•(x3)))+(23•3x2))-8x)+1
STEP
2
:
Equation at the end of step
2
:
((((16•(x4))-25x3)+(23•3x2))-8x)+1
STEP
3
:
Equation at the end of step
3
:
(((24x4 - 25x3) + (23•3x2)) - 8x) + 1