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notsponge [240]
3 years ago
12

What is the approximate volume of the cone? Use 3.14 for π.

Mathematics
2 answers:
inessss [21]3 years ago
4 0
Im not sure but i think it is 473 pi
anyanavicka [17]3 years ago
3 0

Answer:  The required approximate volume of the given cone is 508.68 cm³.

Step-by-step explanation:  We are given to find the approximate volume of the cone shown in the figure.

The VOLUME of a cone with radius of the base r units and height h units is given by

V=\dfrac{1}{3}\pi r^2h.

For the given cone, we have

r = 9 cm and h = 6 cm.

Therefore, the VOLUME of the given cone is

V\\\\\\=\dfrac{1}{3}\pi r^2h\\\\\\=\dfrac{1}{3}\times3.14\times9^2\times6\\\\\\=3.14\times162\\\\=508.68.

Thus, the required approximate volume of the given cone is 508.68 cm³.

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Blizzard [7]

Answer: The correct option is A, itis the product of the initial population and the growth factor after h hours.

Explanation:

From the given information,

Initial population = 1000

Increasing rate or growth rate = 30% every hour.

No of population increase in every hour is,

1000\times \frac{30}{100} =1000\times 0.3

Total population after h hours is,

1000(1+0.3)^h

It is in the form of,

P(t)=P_0(t)(1+r)^t

Where P_0(t) is the initial population, r is increasing rate, t is time and [tex(1+r)^t[/tex]  is the growth factor after time t.

In the above equation 1000 is the initial population and (1+0.3)^h is the growth factor after h hours. So the equation is product of of the initial population and the growth factor after h hours.

Therefore, the correct option is A, itis the product of the initial population and the growth factor after h hours.

3 0
3 years ago
Read 2 more answers
Annie needs $30 to buy a coat she has saved $12 and plans to work as a baby siter to earn $6 per hour which inequality shows the
tekilochka [14]

Answer:

The answer would be B. 12 + 6n is greater than or equal to 30, so n is less than or equal to 3.

explanation:

I'm bad with explaining things, but I'll try my best to explain why this is the right answer.

12 + 6n ≥ 30, so n ≤ 3

let's start with the 12 at the beginning of the inequality, Annie already has $12, so the 12 in the inequality shows the amount of money she already has being added to the $6 per hour of babysitting she needs to do (n).

Now for the + 6n, the plus is there to show that the $12 Annie already has is being added to the 6n. The 6n then represents the $6 Annie makes each hour and the n represents how many hours she needs to babysit in order to get $30. The 6 is being multiplied by the amount of hours she needs to babysit to show how much money Annie would make. Then you add on the $12 she already has.

Annie then needs at least $30, but if she makes more than $30 then she will simply have more money than needed, therefore you use the greater than or equal to sign to show that she can have more money than just $30 after working.

I hope this helps, and sorry if my explanation is hard to understand lol.

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2 years ago
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we have different side lengths and thus different angles anyhow, meaning is an Scalene triangle.

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12 ÷ 3

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7 0
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