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3241004551 [841]
3 years ago
15

Find the length of MN.​

Mathematics
2 answers:
Debora [2.8K]3 years ago
8 0

Answer:

32

Step-by-step explanation:

39 = 4(x + 5) + 2x + 1

39 = 4x + 20 + 2x + 1

39 = 6x + 21

18 = 6x

x = 3

MN = 4(x + 5)

MN = 4(3 + 5)

MN = 4(8)

MN = 32

hope this helped!

ira [324]3 years ago
3 0

Step-by-step explanation:

MP = MN + NP

39 = 4(x+5) + 2x+1

39 = 4x + 20 + 2x + 1

39 = 6x + 21

6x = 39-21

6x = 18

x = 3

Then,

MN = 4(3+5)

= 4×8

= 32

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