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DanielleElmas [232]
3 years ago
15

N - 4 = 3n + 6 what number does n represent?

Mathematics
2 answers:
pav-90 [236]3 years ago
7 0

Answer:

n = -5

Step-by-step explanation:

n - 4 = 3n + 6

n = 3n + 10

-2n = 10

n = -5

Bogdan [553]3 years ago
6 0

Answer:

-5

Step-by-step explanation:

Lets start by combining some common terms. -4 can be brought over to the right as +4 and 3n can be brought to the left as -3n to make the statement -3n +n = 6+4

Simplifying that, we get -2n = 10

Dividing 10 by -2, we get n = -5

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<RQT is a straight angle. What are m<RQS and m<TQS​
never [62]

Answers:

  • x = 11
  • angle RQS = 106 degrees
  • angle SQT = 74 degrees

===========================================================

Explanation:

Straight angles are always 180 degrees in measure.

The two smaller angles shown add up to 180

(angle RQS) + (angle SQT) = angle RQT

(9x+7) + (6x+8) = 180

(9x+6x) + (7+8) = 180

15x+15 = 180

15x = 180-15

15x = 165

x = 165/15

x = 11

From here, we then know that,

  • angle RQS = 9x+7 = 9*11+7 = 99+7 = 106 degrees
  • angle SQT = 6x+8 = 6*11+8 = 66+8 = 74 degrees

Note how the two results add to 106+74 = 180 to help confirm the answers.

8 0
3 years ago
-9 ÷ ____ =5<br><br><br>(fill the blank)​
Alona [7]

Answer:

The answer is -1.8

Step-by-step explanation:

5 x -1.8 = -9 = -9 divided by -1.8 = 5

3 0
2 years ago
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Sam has 1000 to distributed among two groups equally. Later ,the first part is divided among five children and second part is di
melisa1 [442]
So basically sam split the 1000 to 2 groups so we have 1000 ÷ 2
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so for group one it would be: 1000÷2÷5 which equals 100 per child and the second group is 1000÷2÷2 which equals 250 for each brother
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Answer:

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Step-by-step explanation:

10(n^2+n) -6 (n^2 - 2)

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Step-by-step explanation:

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