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schepotkina [342]
3 years ago
15

a boat travels 45 minutes at a speed of 8 mph. then the boat travels 1.5 times faster for 1/3 hr. how many miles do the boat tra

vel in all. need help ASAP!!!
Mathematics
1 answer:
Serga [27]3 years ago
7 0

Answer:

10 miles

Step-by-step explanation:

45/60 x 8 = 6 miles

8 x 1.5 = 4 miles

Now, add the two products together.

6 + 4 = 10 miles.

The boat traveled 10 miles in total.

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Theorem

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dsp73

Answer:

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A road perpendicular to a highway leads to a farmhouse located d miles away. An automobile traveling on this highway passes thro
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Answer:

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Step-by-step explanation:

A road is perpendicular to a highway leading to a farmhouse d miles away.

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Let x be the distance of automobile from the point of intersection and distance between the automobile and farmhouse is 'h' miles.

Then by Pythagoras theorem,

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By taking derivative on both the sides of the equation,

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Therefore,

\frac{dh}{dt}=\frac{30r}{\sqrt{d^{2}+(30)^{2}}}

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