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3 years ago

Don’t get this at all...

Mathematics

1 answer:

Dima020 [189]3 years ago

5 0

Answer:

P.E.M.D.A.S

P: parenthesis

E: exponent

M: multiplication

D: division

A: addition

S; subtraction

the question E: Addition and subtraction

the question F: Multiplication and division

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If the function rule is 5x, what is the value when x = 3?

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This means that we will plug 3 into our x values.

Our rule is 5x.

This means that:
5(3)

This means our final answer will be 15.

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2 years ago

The volume of a sphere is 36π in³. What is the radius of the sphere?

Inessa05 [86]

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bija089 [108]

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2 years ago

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Solve this quadratic equation by completing the square.

nadya68 [22]

Answer:

$x=-3+\sqrt{27}\\ x=-3-\sqrt{27}$

Step-by-step explanation:

Let's find our C value for the quadratic equation.

$(\frac{6}{2})^{2} = 9$

That is our C. Since we added 9 to one side, we have to do the same to the other. We get:

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Now, lets form the left side as a binomial squared.

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Let's square both sides now:

$x+3 = (+/-)\sqrt{27}$

Now, we subtract 3 from both sides to isolate the variable, X:

$x= -3(+/-)\sqrt{27}$

This means that the answers are:

$x=-3+\sqrt{27}\\ x=-3-\sqrt{27}$

I do not understand your answers though. Answer A makes no sense, answer B is 221, answer C is 115, and answer D also does not make sense. If you could clarify this portion, maybe I can help you find your alphabetic answer

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3 years ago