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3 years ago

Sharon travels 15 miles west and then 8 miles south. How far is she from her starting point

Mathematics

2 answers:

ZanzabumX [31]3 years ago

4 0

Answer:

As soon as the car travels south you would take 5 miles off the 8 south which would make it 3 miles but you would have to add an extra 6 as it also travelled west so the car would have to travel east to arrive at the initial starting point.

Step-by-step explanation:

Afina-wow [57]3 years ago

3 0

Answer:

${ \tt{ = \sqrt{ {15}^{2} + {8}^{2} } }} \\ = { \tt{ \sqrt{289} }} \\ = 17 \: miles$

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Step2247 [10]

Answer:

The volume of the finished cylinder is $4486.2 m^3$

Step-by-step explanation:

To find the volume of the finished cylinder, we have to first find the volume of the hole (with 14 cm diameter and a height of 28 cm) and subtract it from the volume of the original cylinder (with diameter of 20 cm and a height of 28 cm).

Note: The hole is also cylindrical in shape.

The volume of a cylinder is given as:

$V = \pi r^2h$

where r = radius, h = height

VOLUME OF THE HOLE

The diameter of the hole is 14 cm, hence, its radius is 7 cm (14 / 2 = 7)

Its volume is:

$V = \pi *7^2 * 28\\V = 4310.3 m^3$

VOLUME OF THE ORIGINAL CYLINDER

The diameter of the cylinder is 20 cm, hence, its radius is 10 cm (20 / 2 = 10)

Its volume is:

$V = \pi *10^2 * 28\\V = 8796.5 m^3$

Hence, the volume of the finished cylinder will be:

$8796.5 - 4310.3 = 4486.2 m^3$

The volume of the finished cylinder is $4486.2 m^3$

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Answer:

Step-by-step explanation:

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