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densk [106]
3 years ago
12

From a point on a river, two boats are driven in opposite directions, one at 7 miles per hour and the other at 11 miles per hour

. In how many hours will they be 54 miles apart?
Mathematics
1 answer:
Bogdan [553]3 years ago
4 0

Answer:

Both boats will be 54 miles apart after 3 hours.

Step-by-step explanation:

Given that from a point on a river, two boats are driven in opposite directions, one at 7 miles per hour and the other at 11 miles per hour, to determine how many hours they will be 54 miles apart, the following calculation must be performed :

54 / (11 + 7) = X

54/18 = X

3 = X

Therefore, both boats will be 54 miles apart after 3 hours.

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Answer:

The equation of the line is y = 6x - 2 .

Step-by-step explanation:

Formula for the equation of line is.

(y - y_{1}) = m (x - x_{1})

Where m is the slope.

m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}

As given

If (-6,-38) and (5,28) are two anchor points on the trend line.

Than

m = \frac{28 - (-38)}{5 - (-6)}

m = \frac{28 + 38}{5 + 6}

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Put the value in the equation of a line.

(y - (-38)) = 6 (x - (-6))

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Therefore the equation of the line is y = 6x - 2 .

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