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Nikolay [14]
3 years ago
9

If a cone is 8 feet tall and has a base circumference of 29.516 what is the volume

Mathematics
1 answer:
pashok25 [27]3 years ago
4 0

9514 1404 393

Answer:

  184.9 ft³

Step-by-step explanation:

In order to find the volume, we need to know the radius. We can find that from the circumference.

  C = 2πr

  r = C/(2π) = 29.516/(6.28319) ≈ 4.6976 . . . . feet

The volume of the cone is found using the formula ...

  V = 1/3πr²h

  V = 1/3π(4.6976 ft)²(8 ft) ≈ 58.847π ft³

  V ≈ 184.9 ft³ . . . . volume of the cone

_____

The "pi button" is used throughout. If you use 3.14 for pi, your answer may be closer to 185.0 (rounded to tenths).

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Find the sum that amounts to rs.3025 at 10% p.A
Brrunno [24]

Answer:

P = Rs2500

Step-by-step explanation:

Given that,

Amount, A = Rs 3025

Rate, r = 10%

Let time, t = 2 years

We need to find the sum if the amount is compounded annually. Using the formula of compound interest.

A=P(1+\dfrac{r}{100})^n\\\\P(1+\dfrac{10}{100})^2=3025 \\\\P(1.21)=3025\\\\P=\dfrac{3025}{1.21}\\\\P=\text{Rs}\ 2500

So, the sum of money is Rs 2500.

7 0
2 years ago
What is d –10 – 2d + 7 = 8 + d – 10 – 3d
ladessa [460]

Answer:

d = 1, so 1 - 10 - 2*1 + 7 = 8 + 1 - 10 - 3*1 is true!

4 0
3 years ago
Kathy was building a bed for her dollhouse. She used her bed, which is 3 feet × 5 feet, as a guide. She scaled down the dimensio
Anna11 [10]
We know, final dimension = initial dimension * dilation factor
= 3 * 1/5 = 0.6
& 6 * 1/5 = 1

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Hope this helps!</span>
4 0
3 years ago
Read 2 more answers
Last year 64 new houses were built in the neighborhood so far this year 5/8 of them have been sold. How many new houses have bee
Mariana [72]

5/8 of the total has been sold, so we just do 64*5/8=40 houses that had been sold this year. Hope this helped!

7 0
3 years ago
The number of freshman at George Washington high school is 60 greater than the number of sophomores. If there are 1250 students
solmaris [256]

Answer:

Hence total number freshman presented are 655.

The system is relative system as there is correlation between freshman and

sophomores<em>.</em><em>( as freshman are 60 more than the Sophomores)</em>

Step-by-step explanation:

Given:

1250 total students of sophomores and freshman.

To Find:

freshman count and its type of system used.

Solution:

We have that ,

consider x be the no.of freshman and y be the sophomores

So by given condition,

x+y=1250        ,..............................Equation(1)

And other one,

x=60+y

Use above value in equation (1) we get ,

60+y+y=1250

2y=1250-60

y=595

Now number of freshman ,

x+y=1250

x=1250-595

x=655

Hence total number freshman presented are 655.

The system represent the relative proportion system.The break even and total value should include all students in university .

Relative means in relationship with one another .

As there are 60 more number of freshman than the sophomores.

3 0
3 years ago
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