10% of 70 is 7. I hope it helps.
10x = 70
divide both sides by 10.
x = 7
Therefore 10% of 70 is 7
The domain would be (negaive infinity, positive infinity)
Answer:
x = 8
x = -8
Step-by-step explanation:
a/b = c/d --> d = b*c/a
d is the forth proportional
a) d = 2*3/1 = 6
b) d = 3*4/0.5 = 24
c) d = b*5/a = 5*b/a