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den301095 [7]
3 years ago
14

TWO QUESTIONS PLS HELP ASAP

Mathematics
1 answer:
ASHA 777 [7]3 years ago
4 0
Answer: 4. (-1,-1) 3. (3,-2)

4)

Set the equations equal to each other.

4x+3=-x-2

Subtract 3 from both sides

4x=-x-5

Add x to both sides

5x=-5

Divide both sides by 5

x=-1

Next, replace x with -1 in either equation to find y.

-(-1)-2=y

-1=y


3)

Do the same thing for this one and set them equal to each other

-2x+4=-1/3x-1

Add 1 to both sides

-2x+5=-1/3x

Add 2x to both sides

5=5/3x

Divide both sides by 5/3

x=3

Next, replace x with 3 in either equation

-2(3)+4=y

-2=y




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Answer:

The length of the sides is <u>7 In</u>.

Step-by-step explanation:

Given:

A cube has a surface area of 294 sq. In.

Now, to find the sides.

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Putting the formula of area to get the length of side:

Area = 6(side)^2

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<em>Dividing both sides by 6 we get:</em>

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<em>Using square root on both sides we get:</em>

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Therefore, the length of the sides is <u>7 In</u>.

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Liam is setting up folding chairs for a meeting. If he arranges the chairs in 9 rows of the same length, he has 3 chairs left ov
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9x + 3 = 7x +19

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Answer:

D

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