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Amanda [17]
3 years ago
12

Pls explain your work!

Mathematics
1 answer:
mylen [45]3 years ago
6 0

Answer:

find total volume to find what amount is 20%

hack, is put the 20% in alreadyy to find 20% volume

20%=1/5

so

vcone=1/3(hpir^2)

times thath by 1/5

vcone=1/15(hpir^2)

d/2=r

given

4.8=d

4.8/2=d/2=r=2.4

10=h

V=1/15(10pi2.4^2)

V=1/15(10pi5.76)

V=1/15(57.6pi)

V=3.84pi

V=12.0637 cubic inches=20% of vase

0.5 cubc inches per min

0.5 times t=12.0637

divide both sides by 0.5

t=24.1237

about 24 minutes

Step-by-step explanation:

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What’s the difference between numbers that are to the power of with parentheses and no parentheses. For example (-2/5)^3 and -2/
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Answer:

See below

Step-by-step explanation:

The first one 'cubes' the denominator AND the numerator:

(-2/5)^3  = -2/5  * -2/5  * -2/5 =  -8/125

The second one 'cubes' only the denominator:

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8 0
2 years ago
I really don't get it plz help
marshall27 [118]

Answer:

Step-by-step explanation:

Change g(n) to y

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7 0
3 years ago
Write the ratio 1 1/7:1/9 in simplest form
Elden [556K]
[tex]<span>1\dfrac{1}{7}=\dfrac{1\cdot7+1}{7}=\dfrac{8}{7}\\\\1\dfrac{1}{7}:\dfrac{1}{9}=\dfrac{8}{7}:\dfrac{1}{9}=\dfrac{8}{7}\cdot\dfrac{9}{1}=\dfrac{72}{7}[tex]

Answer: 1 1/7 : 1/9 = 72 : 7
</span>
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Step-by-step explanation:

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Effectus [21]

Answer:

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