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harkovskaia [24]
3 years ago
13

SOMEONE PLEASEEEEE HELP .... GIVING BRAINILEST!!!

Mathematics
2 answers:
Lesechka [4]3 years ago
7 0

Answer:

m = 5

n = 15

Step-by-step explanation:

n + n+6 = 3m + 7m-14

2n + 6 = 10m - 14

2n = 10m -20

n = 10m/2 - 20/2

n (simplified) = 5m-10

we can let 'n' = 5m-10 using 'substitution':

3m = 5m-10

-2m = -10

m = 5

now we can find 'n':

n = 5m-10

n = 5(5)-10

n = 25-10

n = 15

CHECK:

3(5) + 7(5)-14 should equal 15 + 15 + 6

15 + 21 = 36

36=36  [checks out]

Vanyuwa [196]3 years ago
3 0

Answer: Value of M: -49

Value of N: 24

Step-by-step explanation:

Yw and pls mark me brainiest

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Help please
Mama L [17]

Answer:

1/2 (150 -2x)

Step-by-step explanation:

You know queen parallela has 150 meters to build her pen. That means that the perimeter of the pen must be 150 (meters), therefore if x is the width and L is the lenght, we have

2*x + 2*L = 150

We want the value of L in terms of x, so we will send 2*x to the other side of the equation and we have

2*L = 150 - 2*x

Therefore

L = (150-2*x)*1/2

The correct answer is 1/2 (150 -2x)

I hope this helped you!

6 0
3 years ago
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tino4ka555 [31]

Answer:

30

Step-by-step explanation:

The pattern is adding going up by 2s.

It goes like this:

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Hope it helps!

8 0
3 years ago
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DaniilM [7]
2.7 is the height of the lamppost in meters.

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The distance between -18 and 15 is equal to a. 18-15 b. -18-15 c. 15-18 d. 15-(-18)
Feliz [49]

Answer:

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