Answer:
40 seconds
Step-by-step explanation:
The ratio would be 3:120, indicating the amount of times it went up for air in 120 seconds. In order to find the answer, we'll find the unit rate. 120 divided by 3 is evenly 40. That means, the unit rate is 1:40. It also means that 40 seconds went by before the manatee surfaced the first time (if it held its breath for the same rate).
The cheap answer is, you simply "grab the denominator of one and multiply it times the other's top and bottom", so let's do so,
(15 is your answer)
Divide numerator by denominator, cancel out any common factors
Answer:
D
Step-by-step explanation:
sine= opposite/hypotenuse
cosine= adjacent/hypotenuse
9514 1404 393
Answer:
7x
Step-by-step explanation:
We can factor out x and simplify.
4x +3x = x(4 +3) = 7x
