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Harlamova29_29 [7]
3 years ago
14

Find each percent change. Increase or decrease . From 99 to 92

Mathematics
2 answers:
abruzzese [7]3 years ago
8 0

Answer:

-7

Step-by-step explanation:

go on a number line and when your at 99 go -7 to the left and you will be at 92

fenix001 [56]3 years ago
5 0

Answer: about 7 percent decrease

Step-by-step explanation: percent change is amount of change divided by the original number

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D = 101/4
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2 years ago
Solve equations show all steps 1. 2x-10=44+8x 2. 7x-4=20=3x 3. 2(x-3)=-20 4. 15-4x+5=32
Inga [223]

Answer:

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7x - 4 = 20 =3x

2(x-3) = -20

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Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    2*x-10-(44+8*x)=0

Pull out like factors :

  -6x - 54  =   -6 • (x + 9)

  -6   =  0

 Solve  :    x+9 = 0

Subtract  9  from both sides of the equation :

                     x = -9

x = -9

Move all terms containing

x

to the left side of the equation.

4

x

−

4

=

20

Move all terms not containing

x

to the right side of the equation.

4

x

=

24

divide each term by 4

x = 6

2(x−3)=−20

Step 1: Simplify both sides of the equation.

2(x−3)=−20

2x−6=−20

Step 2: Add 6 to both sides.

2x−6+6=−20+6

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Step 3: Divide both sides by 2.

2x

2

=

−14

2

x=−7

−4x+20=32

Step 2: Subtract 20 from both sides.

−4x+20−20=32−20

−4x=12

Step 3: Divide both sides by -4.

−4x

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=

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3 years ago
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Answer:

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Step-by-step explanation:

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