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Travka [436]
2 years ago
15

Find the volume and round to the nearest tenth as needed

Mathematics
1 answer:
monitta2 years ago
3 0

Answer: 1962.4 cubic mm

Step-by-step explanation:

The volume of the larger cone is V=\frac{1}{3}(\pi)(10^{2})(20)=\frac{2000\pi}{3}

The volume of the smaller cone is V=\frac{1}{3}(\pi)(3^{2})(14)=42\pi.

So, the volume is \frac{2000\pi}{3}-42\pi \approx \boxed{1962.4}

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If Monique spends $2.80 on 3 1/2 lbs of banana how much did Monique pay for each pound of banana?
icang [17]
In 3 1/2 lb is the same as 7 of 1/2 lb so
2.80/7= $0.4 per 1/2 lb
One pound costs 0.4•2= $0.8
6 0
3 years ago
Susan made $117 for hours 9 of work.
Irina18 [472]
First we need to figure out how much Susan made per hour

117/9 = 13 dollars per hour

Then find out how much she makes in 7 hours

13 • 7 = 91 dollars

$91 in 7 hours
8 0
3 years ago
-8 ( 3-s) = 32 what is s
____ [38]
-8(3 - s) = 32
So you expand the brackets
-24 + 8s = 32
And then solve
+ 24
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÷ 8
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Hope this helps!
8 0
3 years ago
Someone help me pleaseee
krok68 [10]

Answer:

  522

Step-by-step explanation:

The assumption is that the proportion of tagged fish caught is the same as the proportion of all fish that were caught and tagged:

  (all fish)/(number tagged) = (sample size)/(number in sample tagged)

  all fish = (number tagged) · (sample size)/(number in sample tagged)

  all fish = 174 · 39/13

  all fish = 522

If all the assumptions are reasonable, the number of fish in the lake is estimated at 522.

5 0
3 years ago
The perimeter of a rectangle is 16 inches. The equation that represents the perimeter of the rectangle is 2l + 2w = 16, where l
Svetlanka [38]
2(l+w)=16
l+w=16:2
l+w=8

for l>w

l=7, w=1
l=6, w=2
l=5, w=3 
7 0
3 years ago
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