math (college algebra)
posted by Sam .
Ok I have two questions I have NO CLUE how to complete on my homework. Please help ASAP!
(1) Solve the formula for the specified variable
r = vx for r (the question is) v = ?
a = 1/3f * p for f (the question is) f = ?
(2) Solve the forulma for v
S = D + vm (the question is) v = ?

1. r = VX.
Divide both sides by X:
V = r/X.
a = (f/3)p
Multiply both sides by 3:
3a = fp,
Divide both sides by p:
f = 3a/p.
2. S = D + vm
Subtract D from both sides:
vm = S  D,
Divide both sides by m:
v = (S  D) / m
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