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Brums [2.3K]
3 years ago
5

How to find the volume of a cone? Height- 8 in. Diameter- 7 in.

Mathematics
1 answer:
mestny [16]3 years ago
4 0
The formula for the volume of a cone is V = \pi r^{2} \frac{h}{3}

So the answer is 102.63
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The least common multiple of 10 and 4 is
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Math help? Only 2 problems? :)
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The answer is i squareroot of 17
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Harry downloads album A which has 11 tracks.
Airida [17]

Part a: Cost of downloading album B = 13.3 euros

Part b: Cost of downloading album B = 12.6 euros

Number of tracks in album A = 11 tracks

The total cost of downloading album A = 10.45 euro

Cost of each track on album A = Total cost of album/Number of tracks in the album

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= 0.95*14

= 13.3 euros

Part b:

The cost of 5 tracks on album B is 5p less therefore, the cost of 5 tracks will be 0.90*5 = 3.60 euros

The cost of 9 tracks on album B is 5p more therefore, the cost of 9 tracks will be = 1*9 = 9 euros

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6 0
9 months ago
Can someone please help me I don’t understand how to do it
ira [324]

This problem requires multiple steps, so please read through the whole answer to get a good understanding on how to solve this problem

Step 1: Create an equation for the perimeter respect to x

The equation for the perimeter p is:

p=2w+2l where w is the width and l is the length

The length is 3x+4 and the width is 2x-1, so substitute these values into the equation:

p=2(3x+4)+2(2x-1)

=6x+8+4x-2

=10x+6

This is the equation for the perimeter

Step 2: Solve for x since we are given the perimeter

We are given that the perimeter is 96, thus we can create the equation:

10x+6=96

Subtract 6 from both sides

10x=90

Divide both sides by 10

x=9

We have now found the value of x

Step 3: Find the length and width now that we know x

Plug the value of x into the expressions for the length and the width that we are given

\text{Length}=3x+4=3(9)+4=31

\text{Width}=2x-1=2(9)-1=17

Step 4: Solve for the area now that we know the dimensions

This is probably the easiest step. Multiply the length and width to find the area:

31 \times 17=527

The area of the patio is 527.

I've double- and triple-checked that this is the correct answer, so do not worry about any errors.

Let me know if you need any clarifications, thanks!

(ノ◕ヮ◕)ノ*:・゚✧

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3 years ago
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