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levacccp [35]
3 years ago
11

What is the volume of a cone with a diameter of 30 feet and a height of 60 feet use 3.14 for pie

Mathematics
1 answer:
Nesterboy [21]3 years ago
8 0

Answer:

14,130 feet³

Step-by-step explanation:

2r=d

2r=30

r=15

Formula for the volume of a cone is: \frac{1}{3} *b*h

\frac{1}{3} *π*r²*h=

\frac{1}{3} *3.14*15^{2} *60=\\

\frac{1}{3} *3.14*225*60=

\frac{1}{3} *3.14*13,500=\\

\frac{13,500}{3} *3.14=\\

4500*3.14=

14,130 feet³

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Answer:

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Step-by-step explanation:

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8 0
3 years ago
Jewel is 7 years old and John is 16 years younger than Dave. One year ago, Dvae's age was twice the sum of Jewel's and John's ag
ivanzaharov [21]

Answer:

Jewel is 7 years old

John is 1 year old

Dave is 17 years old

Step-by-step explanation:

From the question we are told that:

Jewel age is J=7 years

John age J'=(D-16)years

Dave's age a Year ago

 D-1=2(J-1+J'-1)

So that Dave.s age this Year could be

 D=2((J-1)+(J'-1))+1

Simplifying Equation for Dave's age we have

 D=2((7)-1+(D-16)-1)+1

 D=2(6+D-15)+1

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Dave is 17 years old

Therefore

Johns age is

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 J'=17-16

 J'=1year old

John is 1 year old

7 0
3 years ago
Felix joins a local recreation center to play basketball.The recreation center charges a $20 annual fee, plus an additional $15
Sav [38]

Answer:

11 months

Step-by-step explanation:

185 - 20 = 165

165 ÷ 15 = 11

8 0
2 years ago
A box is filled with thirty six plates. How many boxes can be filled with a thousand plates?
Yuki888 [10]
Hello there ^ _ ^


We know that 36 plates filled 1 box
if we have 1000 plates, how many box it would fill.

All we have to do is divide 1000 by 36 to find the answer.

1000/ 36 = 27.77777 or you can just say 28


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4 0
3 years ago
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Step-by-step explanation:

4 0
2 years ago
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