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AlladinOne [14]
3 years ago
5

Find the volume of a cone that has a diameter of 7 and a height of 8.

Mathematics
2 answers:
sdas [7]3 years ago
6 0
Answer:
98pi/3(approx. 102.625)

Step-by-Step Explanation:

Start with an equation that relates base diameter (d), height (h), and volume (V):
V=(1/12)(pi^2)(d^2)h

Then, substitute known values into the equation:
V=(1/12)(7^2)(8pi)

Finally, solve the equation:
V=((7^2)(8pi))/12
V=(2(7^2)pi)/3 (the GCD of 12 and 8 is 4, so we can simplify by dividing by 4/4)
V=(2(49)pi)/3
V=98pi/3 (or approx. 102.625)
Amanda [17]3 years ago
4 0

Answer:

102.625 m3

Step-by-step explanation:

You can look up cone caculators for these questions. Also wierd question if you have an old 5 paragraph essay i can have i posted a question for 1 for 50 points on my account ( doesnt matter the topic)

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Find the solution to the system of equations. You can use the interactive graph below to find the solution. { y = x − 4 y = 4 x
kumpel [21]

ANSWER

x=-2,y=-6

EXPLANATION

First equation:

y = x - 4

Second equation:

y = 4x + 2

Let us equate the two equations and solve for x.

This implies that;

4x + 2 = x - 4

Group similar terms to obtain:

4x - x =  - 4 - 2

Simplify:

3x =  - 6

Divide both sides by 3

x =  - 2

Put x=-2 into any of the equations.

I will put x=-2 into the first equation:

y =  - 2 - 4

This implies that,

y =  - 6

7 0
2 years ago
Read 2 more answers
The ages of two brothers are in the ratio two to three, but in eight years, the ratio of their ages will be three to four. What
grigory [225]
3(3x+8)=4(2x+8)
9x+24=8x+32
x=8

2(8)=16
3(8)=24
 
that means that the younger brother is 16 years old 
8 0
3 years ago
You and three friends are eating a pizza with 12 pieces. Each person eats the same number of pieces. Let x represent the number
Setler [38]

Answer:

C. 4x = 12

Step-by-step explanation:

You and three friends= you + 3 friends=4 people

Pizza= 12 pieces

Each person eats equal pieces of pizza

x= number of pieces each person ate

Equation

4x=12

Divide both sides by 4

x=12/4

=3

x=3

Therefore, each person ate 3 pieces of pizza each

Check:

4x=12

4(3)=12

12=12

6 0
2 years ago
Polynomial division (-12m^2-49mn-44n^2)/(-3m-4n)
Ket [755]
First factor -12m^n - 49mn - 44n^2 to get -(4n+3m)(11n + 4m) then the equation would be:
-(3m + 4n)(4m + 11n) / (-3m - 4n)
Then, cancel out the like terms and the final answer would be
4m + 11n
7 0
3 years ago
.............I need help thnx
kari74 [83]

The answer is A

hope you found this usefull

3 0
3 years ago
Read 2 more answers
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