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Vilka [71]
3 years ago
11

I need some help with this

Mathematics
1 answer:
stira [4]3 years ago
3 0

Answer:

0

Step-by-step explanation:

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Find the surface area of a cone with volume 320pi and height 15 (hint: don't use the height in
Mariana [72]

Answer:

200π

Step-by-step explanation:

Surface area of a cone  = πr(r+l)

r is the radius

l is the slant height

Volume of the cone = 1/3πr²h

320π = 1/3πr²h

320 = 1/3r²(15)

320 = 5r²

r² = 320/5

r² = 64

r = 8

l² = 15² + 8²

l² = 225 + 64

l² = 289

l = 17

Get the surface area;

S =  πr(r+l)

S =  π8(8+17)

S = π*8*25

S = 200π

Hence the surface area of the cone is 200π

8 0
3 years ago
What is 1/2 + 4/3 + 3/2 + 4/3 + 10/6 = ??<br> (they are fractions)
Jet001 [13]

6 and 1/3 or 19/3 or if you need the decimal 6.3 repeating

4 0
3 years ago
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An ice cream store makes 144 quarts of ice cream in 8 hours.
vichka [17]
216 quarts of ice cream
7 0
3 years ago
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What fraction is equal to 0.4?
marishachu [46]

Answer:

4/10

Step-by-step explanation:

another way to say 0.4 is 4 tenths

4 tenths in fraction form is 4 over 10

so, 0.4 = 4/10

hope this helps :)

please crown me brainliest!!!

4 0
3 years ago
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if a number is increased by five and the result is then divided by 3,the result is 7. write an equation that models the verbal d
N76 [4]

16 + 5 \div 3
4 0
3 years ago
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