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Marrrta [24]
2 years ago
15

Sandra has a cylindrical mold for making candles with a radius of 3.4 cm and a height of 6 cm. If Sandra uses a rectangular bloc

k of wax measuring 15 cm by 12 cm by 18 cm, about how many candles can she make after melting the block of wax?
Mathematics
1 answer:
Wittaler [7]2 years ago
5 0

Answer:

14\ candles

Step-by-step explanation:

step 1

Find the volume of the cylindrical mold

The volume is equal to

V=\pi r^{2} h

we have

r=3.4\ cm

h=6\ cm

assume

\pi=3.14

substitute

V=(3.14)(3.4)^{2}(6)

V=217.79\ cm^{3}

step 2

Find the volume of the wax

The volume is equal to

V=(15)(12)(18)

V=3,240\ cm^{3}

step 3

Divide the volume of the wax by the volume of the cylindrical mold, to calculate the number of candles

3,240/217.79=14.9\ candles

Round down

14\ candles

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