2 years ago

An athlete runs 6 miles in 1 hour on a treadmill. At this rate, how long will it

Mathematics

2 answers:

Rasek [7]2 years ago

8 0

Answer:

150 minutes

Step-by-step explanation:

kirza4 [7]2 years ago

4 0

Answer:

2 hours and 30 minutes

Step-by-step explanation:

So if he runs for 2 hours it'll be 12 hours out of the 15, and if he only needs 3 more hours instead of 6, he'd have to only run half of the 6 hours, which would be 30 minutes

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kondaur [170]

Answer:

$Vol=883.6875\,\, cm^3\\$

Step-by-step explanation:

Recall that the volume of a whole sphere is given by the formula:

$Vol_{sphere}=\frac{4}{3} \pi\,R^3$

then, the volume of a semi-sphere would be half of the formula above:

$Vol=\frac{2}{3}\, \pi\,R^3$

Now, the radius R is given by half of the semi-sphere diameter: 15/2 = 7.5 cm.

which makes our calculation:

$Vol=\frac{2}{3}\, \pi\,R^3=\frac{2}{3}\, \pi\,(7.5\,cm)^3=883.6875\,\, cm^3\\$

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