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3 years ago

8

Simplify the expression . A. B. r−1s4 C. r−5s4 D.

2 answers:

Aleks [24]3 years ago

7 0

The simplified answer is A.

Marina CMI [18]3 years ago

4 0

The correct answer is A.

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Plzzzzzzzzz help thank u

Vikki [24]

Answer:

I think the answer is A

A is the answer

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3 years ago

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Solve using the elimination method:<br> X-3y=7<br> 3x + 3y=9

sergij07 [2.7K]

Answer:

$x=4\\\\y=-1$

Step-by-step explanation:

Given Equation:

$x-3y=7$ Equation:1

$3x + 3y=9$ Equation:2

Dividing Equation:2 by '3' both the sides:

$x+y=3$

or $x=3-y$ Equation:3

Putting the vale of 'x' in Equation:1

$x-3y=7$

$(3-y)-3y=7\\\\3-y-3y=7\\\\3-4y=7\\\\$

Subtracting '3' both sides

$-4y=7-3\\\\-4y=4$

$y=\frac{4}{-4}$

$y=-1$

Putting value of 'y' in Equation:3

$x=3-y$

$x=3-(-1)\\\\x=3+1\\\\x=4$

The solution of the equations is :

$x=4\\\\y=-1$

7 0

4 years ago

Solve for x.<br> 4x +4=12

PolarNik [594]

Answer:

x = 2

Step-by-step explanation:

4x +4=12

-4. -4

4x.= 8

divide both saide by 4

x. = 2

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3 years ago

What are all of the possible classifications for a 3x3 system?

kirill115 [55]

Answer:

Consistent and Dependent

Consistent and Independent

Inconsistent and Independent

Step-by-step explanation:

3 0

3 years ago

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Write an equation of the line with a slope of 3 and a y-intercept of 4.5

Rudiy27

Answer:

Step-by-step explanation: you answered the question

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3 years ago

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