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Paha777 [63]
4 years ago
8

Abigail has a cylindrical candle mold with the dimensions shown. If Abigail has a rectangular block of wax measuring 15 cm by 12

cm by 18 cm, about how many candles can she make after melting the block of wax? Round to the nearest tenth.

Mathematics
1 answer:
luda_lava [24]4 years ago
3 0

Find the volume of the candle using the formula for volume of a cylinder:

V = PI x r^2 x h = 3.14 x 3.4^2 x 6 = 217.79 cubic cm. Round to 217.8

Find the volume of the block: V = l x w x h = 15 x 12 x 18 = 3,240 cubic cm.

Now divide the volume of the block by the volume of a candle:

3240 / 217.8 = 14.88

Round to the nearest tenth = 14.9 candles.

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Step-by-step explanation:

55:33

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The volume of a cylinder can be expressed as V=πr2h, where r is the radius, and h is the height of the cylinder.
olga_2 [115]

<em>Note: You missed to add the answer choices, so I am solving the overall procedure to determine the radius of the cylinder so that you could easily figure out the right choice.</em>

Answer:

The radius of the cylinder:

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Step-by-step explanation:

The volume of a cylinder is represented by the formula

V=πr²h

here

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  • h is the height

The radius of the cylinder can be computed using the formula of the volume of a cylinder

V = πr²h

r² = V / πh

Taking square roots

r\:=\:\sqrt{\frac{v}{\pi \:h}}

Thus, the formula of the radius of the cylinder.

r\:=\:\sqrt{\frac{v}{\pi \:h}}

Therefore, the radius of the cylinder:

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7 0
3 years ago
I would appreciate it if you help me pls asap !!
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Answer:

BC= 20 units

Step-by-step explanation:

Since ∆ ABC is an equilateral triangle, all the sides are equal in length.

AC= BC

=>-y+23= 6y+2

=>-y-6y= 2-23

=>-7y= -21

=>y= 21/7

=>y= 3

BC = 6y+2 = 6(3)+2 = 18+2 = 20 units

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A computer's hard disk drive holds 80000000 bytes of information. If Jill buys an extra memory stick that holds 30000000 bytes o
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Answer:

110000000 bytes, or 110 Megabytes (MB)

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