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lianna [129]
1 year ago
6

Select the expressions that are equivalent to 12x - 6.

Mathematics
2 answers:
krek1111 [17]1 year ago
6 0

Answer:

B and E

Step-by-step explanation:

A.

-6(2x - 1)
Distribute the -6.

-12x + 6

B.

6(2x - 1)
Distribute the 6.

12x - 6

C.

6x(2 - 1)

Subtract inside parenthesis.

6x(1)
Multiply.

6x

D.

-6x(2x - 1)
Distribute the -6x.

-12x² + 6x

E.

-6(-2x + 1)
Distribute the -6.

12x - 6

F.

6x(-2x + 1)

Distribute the 6x.

-12x² + 6x

aleksandr82 [10.1K]1 year ago
5 0
The answers are B and E
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3 years ago
I tried this few times can i get some help
mihalych1998 [28]

Answer:

Y=4 X= -6 or (-6,4)

Step-by-step explanation:

Okay so

3x+10y=22

-3x-8y=-14

  1. basically, it's like one big equation. First, subtract 3x from -3x which cancels out and gives us 0
  2. 10y minus 8y gives us 2y.
  3. 22 minus 14 gives us 8

3x+10y=22

<u>-3x-8y=-14</u>

0+2y=8

Now that we have this, we can solve for y. in order to do this, we have to divide both sides by 2.

\frac{2y}{2}  =  \frac{8}{2}

From here we know that y=4 because the 2s cancel out leaving y and 8 divided by 2 is 4.

y= 4

Now we can fill in. You can pick any equation for this but I'm going to chose the first one.

3x+10y=22

we can fill in 4 for y

3x+10(4)=22

3x+40=22

Next we are going to subtract 40 on both sides.

3x+40=22

-40 -40

3x= -18

Next, we're going to divide -18 by 3.

\frac{3x}{3}  =  \frac{  - 18}{3}

The 3s cancel out leaving us x. -18 divided by 3 is -6.

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6 0
3 years ago
Freddy’s savings account went from $520 to $321 after he purchased a new bike. What was the percent decrease?
Vinil7 [7]

Step-by-step explanation:

The bike cost $199 to get $199 you do a number line then label 520 then at the end label 321 so then you do -20 then -100 then -50 then -20 then -9. so now you add them up 20+100+50+20+9 which equals =199

so bike cost $199

then 520%×199= 1034.8

or 520%×321=1669.2

so the  percentage is 1669.2 or 1034.8 probably 1669.2 but they bot count.

5 0
2 years ago
When q= -4 and g=1 look at picture
jeka94

Answer:

-25

Step-by-step explanation:

sorry for the mistake

​

 

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2 years ago
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I believe the answer is 90
5 0
3 years ago
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