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krek1111 [17]
3 years ago
11

How to find the volume of the round bodies?

Mathematics
1 answer:
faltersainse [42]3 years ago
7 0
Pi x Radius squared should be your answer.
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Please help me out with this!!<br> BRAINLIEST AVAILABLE!!
lapo4ka [179]

Answer:

xy = 1

k = 79

Step-by-step explanation:

Question One

The first and third frames look to me to be the same. I'll treat them that way.

y = x^2                        Equate y = x^2 to the result of 2y + 6 = 2x + 6

2y + 6 = 2(x + 3)         Remove the brackets

2y + 6 = 2x + 6           Subtract 6 from both sides

2y = 2x                       Divide by 2

y = x

Now solve these two equations.

so x^2 = x                  

x > 0

1 solution is x = 0 from which y = 0. This won't work. x must be greater than 0. So the other is

x(x) = x                           Divide both sides by x            

x = 1                            

y = x^2                           Put x = 1 into x^2

y = 1^2                           Solve

y = 1                      

The second solution is

(1,1)

xy = 1*1

xy = 1

Answer: A

Question Two

square root(k + 2) - x = 0

Subtract x from both sides

sqrt(k + 2) = x                Square both sides

k + 2 = x^2                    Let x = 9

k + 2 = 9^2                    Square 9

k + 2 = 81

k = 81 - 2

k = 79

4 0
3 years ago
How many boards,each 2 ft and 8 inches long, can be cut from a board 16 inches long?
Keith_Richards [23]

Answer: 2

Step-by-step explanation: 16/8=2

5 0
3 years ago
-2-(-4)-2 is equal to what
Juli2301 [7.4K]

the answer is 0 i used a calculator

7 0
1 year ago
Solve this system of equations:
SpyIntel [72]

y=2x so replacr the -y with -2x so 2x+6 is 8x. :)

7 0
3 years ago
What is the expression 4(3+2) called
Anna71 [15]
An Algebraic Expression

Hope you have a great day!
3 0
3 years ago
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