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3 years ago

A cylinder has a radius of 8 cm and a height of 14 cm. What is the volume of the cylinder?

1 answer:

6 0

The volume of a cylinder is represented by the following equation...

V=<span><span>πr^2 x </span><span>h
</span></span>
Volume = π(64)(14)

Your volume is 896π

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A photographer needs a frame for a 16 x 20 inch picture, such that the total area is 340 in^2. Calculate the width of the frame.

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B? 2x^2+72=20 ( sorry if it isn’t right)

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2 years ago

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Pls help it is due very soon.

Alexeev081 [22]

Answer:

AC = √105 ≈ 10 cm (nearest whole number)

Step-by-step explanation:

Use Pythagoras' Theorem: a² + b² = c²

(where a and b are the legs, and c is the hypotenuse of a right triangle)

Give one of the legs = 4cm and the hypotenuse = 11 cm:

⇒ 4² + AC² = 11²

⇒ 16 + AC² = 121

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2 years ago

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Answer:

<h2>50%/4 years</h2>

Step-by-step explanation:

300/150

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3 years ago

a sailboat started its journey at 6:30 am and reached the destination at 11:45pm. If the distance of the journey is 1276.5 miles

ludmilkaskok [199]

Answer:

74 mph

Step-by-step explanation:

we know that

To find out the average speed, divide the total distance by the total time

Let

s ----> the speed in mph

d ---> the distance in miles

t ----> the time in hours

$s=\frac{d}{t}$

step 1

Find the total time

A sailboat started his journey at 6:30 am and reached his destination at 11:45 pm

from 6:30 am to 12:00 pm ----> there are 5 hours + 30 minutes=5.5 hours

from 12:00 pm to 11:45 pm ----> there are 11 hours + 45 minutes=11.75 hours

The total time is

$5.5+11.75=17.25\ hours$

step 2

Find the average speed

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we have

$d=1,276.5\ mi$

$t=17.25\ hours$

$s=\frac{1,276.5}{17.25}= 74\ mph$

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3 years ago

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