The answer is 3:15 because 3 is equal to 6 and 15 is equal to 45.
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Answer:
18
Step-by-step explanation:
Solve the first for a, then substitute into the second.
a = 27/(5b^2)
Then ...
(27/(5b^2))^2·b = 135
27^2/(5^2·135) = b^3 = 27/125
b = ∛(27/125) = 3/5
a = 27/(5(3/5)^2) = 15
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The expression of interest is ...
a +5b = 15 + 5(3/5) = 15 +3
a +5b = 18
Step-by-step explanation:
divide equation by 2
subtract 6
-x
Answer:
36.5
Step-by-step explanation:
5(1+6.3)
