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Tanya [424]
3 years ago
15

A ship goes at the rate of (3m-2) knots per hour. How far can it travel in (4m+9) hours?

Mathematics
1 answer:
Ber [7]3 years ago
7 0

Answer: 12m^2+19m-18

Step-by-step explanation:

Given

Speed of boat v=3m-2\ \text{knots per hour}

\text{time t= }4m+9\ \text{hours}

\Rightarrow \text{Distance =speed}\times \text{time}

\Rightarrow \text{Distance d=}(3m-2)\cdot (4m+9)\\\Rightarrow d=12m^2+19m-18

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