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3 years ago

If the volume of the cylinder is 502.4 in?, what is the radius of

Mathematics

2 answers:

Svetlanka [38]3 years ago

6 0

Answer:

Volume of a cylinder practice question with step-by-step solutions. Get also ... Given a cylinder with a volume of 502.4 in3 and radius 4 in. Find the ... cylinder. Take π as 3.14. Answer. Answer Icon. Select and check your answer... A. 10 in3. B. 10 in. C. 5 in3. D. 5 in. Check Answer ... cylinder with the radius 4in and height h.

Step-by-step explanation:

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jolli1 [7]3 years ago

5 0

Answer:

radius of the base of cylinder = 4 in

Step-by-step explanation:

Volume of cylinder = pi x r² × h

502.4 = 3.14 x r² x 10

502.4 = 31.4 x r²

r² = 502.4/31.4

r² = 16

r = 4 in

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Work out the area of this quarter circle of radius 8cm, Give you answer in terms of pi

oee [108]

Answer:

The area of the quarter circle is $16\pi\ cm^{2}$

Step-by-step explanation:

we know that

The area of a quarter circle is equal to

$A=\frac{1}{4}\pi r^{2}$

we have

$r=8\ cm$

substitute the value

$A=\frac{1}{4}\pi (8)^{2}$

$A=16\pi\ cm^{2}$

3 0

3 years ago

You triple your account balance by making a deposit. Then you withdraw $28.50 from your bank account. Now your account is overdr

Crazy boy [7]

Answer:

Your original account balance before you made the deposit is $6

Step-by-step explanation:

Let x = your original account balance.

You triple your account balance by making a deposit. This means

New account balance = 3 × x = 3x

Then you withdraw $28.50 from your bank account. This means that you have $(3x - 28.5) left.

Now your account is overdrawn by $10.50. This means you have withdrawn beyond what you have in your account. Your new account balance is -$10.5. Therefore,

3x - 28.5 = - 10.5

3x = -10.5 + 28.5 = 18

x = 18/3 = 6

Your original account balance before you made the deposit is $6

8 0

3 years ago

A fruit stand sells apples, peaches and tomatoes. Today, they sold 4 apples for every 5 peaches. They sold 2 peaches for every 3

Brrunno [24]

Answer:

He sold 32 apples, 40 peaches and 60 apples.

Step-by-step explanation:

We are given that

4 apples are sold every 5 peaches and

3 tomatoes are sold every 2 peaches.

i.e. the ratio is apples: peaches = 4 : 5 ...... (1)

and the ratio peaches: tomatoes = 2 : 3 ...... (2)

Peaches are the common link here in both the ratio terms.

Let us make the peaches value in both the <em>ratio as 10 </em>to make it equal in both the ratio terms.

Multiply (1) by 2 and (2) by 5:

The ratio becomes;

apples:peaches = 8:10

peaches: tomatoes = 10:15

In other words, the ratio becomes:

apples:peaches:tomatoes = 8:10:15

Let the number of apples = $8x$

Let the number of peaches = $10x\\$

Let the number of tomatoes = $15x$

We are given that total fruits are = 132

$\Rightarrow 8x+10x+15x = 132\\\Rightarrow 33x = 132\\\Rightarrow x =4\\$

So, number of apples sold = $8 \times 4 = 32$

Number of peaches sold = $10 \times 4 = 40$

Number of tomatoes sold = $15 \times 4 = 60$

7 0

3 years ago

What is the difference between constructing a square and constructing a regular hexagon?

dexar [7]

Answer:

The diameter of the circle is used for the square construction, but the radius of the circle is used for the regular hexagon construction.Step-by-step explanation:

5 0

2 years ago

A 100-foot ramp is tilted at a 45° angle. How high is the top of the ramp from the ground?

BabaBlast [244]

Setting up a right triangle, the 100 would be the hypotenuse, the 45 would be the angle of elevation, and you're looking for the opposite side.
Sin 45 = x/100
100sin45 = x
100 * ✓(2)/2 = x
50 ✓2 =x
x = 50✓2 ft

4 0

3 years ago