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topjm [15]
3 years ago
5

64-144a+108a^2-27a^3​

Mathematics
1 answer:
solmaris [256]3 years ago
3 0

the answer for this question is 64-144a+108a^2-27a^3

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X=(y)/(y-3) make y the subject
Liula [17]

Answer:

\displaystyle y=\frac{3x}{x-1}

Step-by-step explanation:

<u>Solving Equations</u>

We have the expression:

\displaystyle x=\frac{y}{y-3}

And it's required to make y the subject.

It can be done by isolating y on the left side of the equation and the rest of the expression on the right side.

The first step is removing the denominator by multiplying both sides by y-3:

\displaystyle (y-3)x=(y-3)\frac{y}{y-3}

Simplifying the right side:

\displaystyle (y-3)x=y

Remove the parentheses:

yx-3x=y

Move the y's to the left side and the rest of the expression to the right side:

yx-y=3x

Factor out y:

y(x-1)=3x

Divide by x-1:

\mathbf{\displaystyle y=\frac{3x}{x-1}}

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3 years ago
Which number line represents the solution set for inequality 3x&lt;-9 ?
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<em>THE</em><em> </em><em>RIGHT</em><em> </em><em>ANSWER</em><em> </em><em>IS</em><em> </em><em>OF</em><em> </em><em>THIRD</em><em> </em><em>OPTION</em><em>.</em>

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I need help with solving 378+16 but it is adding using groups of 10 and 100
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394 is the answer using addition
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A line crosses the x-axis at -7 and the y axis at 10. Is the slope of the line positive or negative?
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The line is positive

The line is positive because it slants to the right.

It wouldve been negative if it slanted to the left.

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2x+2y+2x+2y+2x+2y+2x+2y+2x+2y+2x+2y<br> eh...
marysya [2.9K]

Answer:

6x + 6y just add all the 2x then 2y

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