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3 years ago

It took Eduardo 8 hours to drive from Buffalo, New York, to New York City, a distance of about 400 miles. Find his average speed

Mathematics

1 answer:

yarga [219]3 years ago

5 0

400 m in 8 hours
200 m in 4 hours
100 m in 2 hours
50 m in 1 hour
His average speed is 50mph

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a car travels 32 km due north and then 46 km in a direction 40 degress west of north. find the magnitude of the cars resultant v

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Answer:

50 degrees

Step-by-step explanation:

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2 years ago

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dimaraw [331]

Answer:

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What’s the volume of this

pav-90 [236]

Given:

The height of the cylinder = 12 in

The diameter of the base of the cylinder = 8 in.

To find:

The volume of the cylinder.

Solution:

The diameter of the base of the cylinder is 8 in. The radius is half of its diameter. So,

$r=\dfrac{8}{2}$

$r=4$

So, the radius of the base of the cylinder is 4 in.

The height of the cylinder, h = 12 in.

Base area of the cylinder is:

$B=\pi r^2$

Where, B is the base area and r is the radius.

$B=\pi (4)^2$

$B=16\pi$

So, the base area is $16\pi$ square inches.

The volume of the cylinder is:

$V=\pi r^2h$

$V=Bh$

Where, r is radius, h is height, B is base area.

Putting $B=16\pi$ and $h=12$ , we get

$V=(16\pi )12$

$V=192\pi$

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3 years ago