3 years ago

Rewrite the equation below so that it does not have fractions.

1 answer:

5 0

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Solve the system by elimination. . 4x-9y=-21 , -4x-3y=9

Ivan

(-3, 1)
4x-9y=-21
+-4x-3y=9
-12y= -12
y=1

4x- 9(1)= -21
4x-9=-21
+9 +9
4x= -12
x=-3

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3 years ago

PLEASE HELP ME! How do you factor out the coefficient of a variable?? Example: 5c - 15

SpyIntel [72]

Divide both by a number that can go into both terms so it will be 5 .
$\frac{5c-15}{5}$ which is 5(c-3)

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choli [55]

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Nope

Step-by-step explanation:

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Write each expression in radical form.<br> 1. 7²2. 4413

Oliga [24]

Answer:1. 7 2. $\sqrt{4413}$

Step-by-step explanation:

1. $\sqrt{ 7^{2}$ = 7

2. $\sqrt{4413}$ ( doesn't have any simplest radical form)

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3 years ago

The length of a rectangle is 4 units shorter than half the width. If the length of the rectangle is 18 units, which equation can

never [62]

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The width is 11 units.

Step-by-step explanation:

First, you have to add 4 to 18 which is 22. Then divide by 2.

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