the first one and the last one.
Find a common denominator. The lowest one would come from you multiplying 2/5 by 4 on each side and 1/4 by 5 on each side. You are left with 8/20 and 5/20, added together would be 13/20.
Answer:
60%
Step-by-step explanation:
3/5 = 6/10 = 60%
The answer is f(x) = -2(0.7)^x that is the correct answer, I just did the question and got it right.
Answer:
x = 50
Step-by-step explanation:
-3(52)=-3(x)+-3(2)
Divide both sides by -3
52 = x + 2
x = 50