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lutik1710 [3]
2 years ago
10

Andrew was taking a math quiz. There was a question on the quiz that had the

Mathematics
1 answer:
Zigmanuir [339]2 years ago
4 0

Answer:

‐4(x+1)

Step-by-step explanation:

8x‐12x‐9+4

‐4x‐4

take common

‐4(x+1)

You might be interested in
Phoebe, andy and polly share €270
jeka94

Answer:

Polly=30

Andy=60

Phoebe=180

Step-by-step explanation:

Polly=x

Andy=2x

Phoeby 3(2x)=6x

x+2x+6x=270

9x=270

x=30

Polly=x=30

Andy = 2x=60

Phoebe=6x=180

7 0
3 years ago
Marry me if you can answer this-
horsena [70]
7 I think, I’m sorry if I’m wrong
5 0
2 years ago
The table below shows the transportation method of all of the employees who work at the mall. What percent of employees walk to
Pepsi [2]

Answer:

0.005 or 0.5% walk

Step-by-step explanation:

Total:

758 + 530 + 7 + 105 = 1400

To find how many employees walk:

7/1400 = 0.005

6 0
3 years ago
Which ordered pair would form proportional relationship with the point graphed below ?
tangare [24]

Answer:

(-30, 10)

multiply -20/60 by -0.5 each and you get 10/-30

this is the only pair achievable by proportion.

6 0
3 years ago
PLEASE HELP!!This is joshs solution for the equation x^2-6x-7=0: x^2-6x-7=0
iren [92.7K]

Answer:

  no. see below

Step-by-step explanation:

This much of Josh's working is correct:

  x^2-6x=7

  x^2-6x+9=7+9

  (x-3)^2=16

At this point Josh apparently overlooked the fact that he needed to take the square root of both sides of the equation. Had he done that, he would have ...

  x -3 = ±4

  x = 3+4 . . . or . . . 3 -4

  x = 7 or -1

_____

Josh reported values of x that would match ...

  x -3 = ±16

He <em>violated the equal sign</em> by taking the square root on the left, and multiplying by ±1 on the right. Doing different operations on the two sides of the equation will mean the value of x is changed to something other than what you're looking for.

4 0
2 years ago
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