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3 years ago

Does anyone know what the simplest form is? Will give brainiest

Mathematics

2 answers:

Ahat [919]3 years ago

6 0

Hello from MrBillDoesMath!

Answer:

Choice B.

Discussion:

From the first step

324 x^6 y^ 8 =

2^2 * 3^4 * x^2 * x^4* y^8

so the fourth root of this is

2 ^(2/4)* 3^(4/4) x^(2/4)* x^(4/4)*y^(8/4) =

2^ (1/2) * 3^1 * x^(1/2) * x^(1)* y^ (2) =

(2x)^(1/2) * 3 * x * y^2 =

3 * x * y^2 * sqrt(2x) =

3 * x * y^2 * ( (2x)^2) ^ (1/4)) =

3 * x * y^2 * (4x^2) ^ (1/4)

which is choice B

Thank you,

MrB

Vadim26 [7]3 years ago

4 0

Answer:

Answer B.

Step-by-step explanation:

3xy^2 \/^2(2x^2)

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3 years ago

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Step-by-step explanation:

We know that 1760 yards are in a mile. We can convert the given info into a proportion. 440/75 = 1760/x, where x is the number of seconds it takes to run a mile. Cross-multiply to get 440x = 75*1760. Divide both sides by 440 to get x = 75*4 = 300 seconds. The problem asks for how many minutes so you have to convert 300 seconds to minutes. To do this, we have to divide 300 by 60 to get 5 minutes.

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3 years ago

-x^2+4x-8 <br>axis of symmerty

V125BC [204]

Answer:

$\boxed {\boxed {\sf x=2}}$

Step-by-step explanation:

The axis of symmetry can be calculated using the formula:

$x=\frac{-b}{2a}$

First we must determine a and b from the quadratic: $-x^2+4x-8$ . This is in standard form, with the highest power first in descending order.

Standard form is also: $ax^2+bx+c$

If we compare this to the quadratic given, we can conclude that:

$a= -1 \\b= 4 \\c= -8$

Substitute the values for a and b into the formula.

$x= \frac{-(4)}{2(-1)}$

Multiply in the denominator.

$x=\frac {-4}{-2}$

Divide.

$x=2$

This can also be determined from the graph. It is the x-coordinate of the vertex or the maximum/minimum. It divides the quadratic into 2 symmetrical halves.

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3 years ago

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Answer:

3332

Step-by-step explanation:

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3 years ago