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Vlad1618 [11]
2 years ago
14

Find the volume of the cone

Mathematics
1 answer:
Alik [6]2 years ago
3 0

Volume =  

1  πr2h

3

=  

1 ×π×42×7

3

=  117.28612573402 centimeters^3

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Frankie buys six and twelve fifteenths pounds of cherries and four and four sixths pounds of grapes. How many pounds of fruit di
aalyn [17]
C. Eleven and forty two ninetieth a pound
3 0
3 years ago
Carbon-14 has a half-life of 5,730 years. If a sample contained 70 mg originally, how much is left after 17,190 years?
kow [346]

17,190 / 5,730 = 3. This means we must divide 70mg in half 3 times

70 / 2 = 35

35 / 2 = 17.5

17.5 / 2 = 8.75

There will be 8.75 mg left after 17,190 years.

7 0
3 years ago
Jim Hunter has decided to retire to Florida in 10 years. What amount should Jim invest today so that he'll be able to withdraw $
ipn [44]
The following formula is applicable;
A=P(1+r)^n

Where,
A = Total amount accrued after 10 years (this is the amount from which the yearly withdrawals will be made from for the 30 years after retirement)
P=Amount invested today
r= Annual compound interest for the 10 years before retirement
n= Number of years the investments will be made.

Therefore,
A= Yearly withdrawals*30 years = $25,000*30 = $750,000
r= 9% = 0.09
n= 10 years

P= A/{(1+r)^n} = 750,000/{(1+0.09)^10} = $316,808.11
Therefore, he should invest $316,808.11 today.
7 0
3 years ago
Please Help! I will give you a lot of points!
stira [4]

#1

(56,7) is the co-ordinate of point B.

#2

(56,7)

It means that the ball has travelled 56yards .it is at the height of 7ft.

4 0
2 years ago
Read 2 more answers
I need help with algebra 2 pleasee
Aleonysh [2.5K]

Answer:

x=\pm \sqrt{21}/7

Step-by-step explanation:

We can add 9 to both sides of the equation to get 21x^2=9.

We can divide both sides of the equation by 21 to get x^2=9/21.

We take the square root of both sides of the equation to get x=\pm \sqrt{9/21}.

However, that isn't in the form we need.

We know that \sqrt{9/21}=\sqrt{9}/\sqrt{21}=3/\sqrt{21}=3\sqrt{21}/(\sqrt{21}*\sqrt{21})=3\sqrt{21}/21=\sqrt{21}/7

so the answer is really x=\pm \sqrt{21}/7 and we're done!

5 0
2 years ago
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