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saveliy_v [14]
3 years ago
8

6(x+7)-20=6xx-4-3x=-2x-3-1-2(x+2)=-2x+12(x+4)-5=2x+3

Mathematics
1 answer:
lina2011 [118]3 years ago
7 0

All of these have no solution since x would be cancelled out before it can be solved.

Hope that helps!

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Minnie organizes data in a table to show the net change in the number of people subscribing and unsubscribing to her blog each m
olchik [2.2K]

The factored expression which represents the net change in the number of blog subscriptions over 10 months is :

  • 3(11 - 7) + 4(-8)
  • Hence, the net change is -20

Change : -8, 11, -7, -7, -7, -8, -8, -8, 11, 11

To factor the values in the change variable :

-7 has a frequency of 3

-8 has a frequency of 4

11 has a frequency of 3

Values having the same frequency can be factored together :

Hence, we have ;

3(11 - 7) = 3(11 - 7) = 3(4) = 12 - - - - (1)

-8 having a value of 4 can be factored thus ; 4(-8) = -32 - - (2)

Joining both equations :

3(11-7) + 4(-8)

3(11 - 7) + 4(-8)

3(4) + 4(-8)

12 + (-32)

= - 20

Therefore, the factored expression for the net change in subscription is 3(11-7) + 4(-8)

Learn more :brainly.com/question/18904995

8 0
2 years ago
Which description can be written as the expression StartFraction 8 Over 21 n EndFraction?
frutty [35]

Answer: It is the quotient of 21 times and number and 8.

5 0
3 years ago
How is this proportional?
Alja [10]

Answer:

you are subtracting 1.40 everytime to get the number at the bottom

Step-by-step explanation:

2 - 1.40 = 1.40

3 - 1.40 = 2.40

6 - 1.40 = 5.40

7 - 1.40 = 6.40

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The sum of the measures of two exterior angles of a triangle is 255°. What is the measure of the third exterior angle?
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Answer its b hope is helps 

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Bruce drove 30 miles per hour for the rest of the trip
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