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Pani-rosa [81]
2 years ago
10

a triangle has a perimeter of 49 inches. the medium side is 7 more than the short side, and the longest side is 5 times the leng

th of the shortest side. find the shortest side
Mathematics
2 answers:
dybincka [34]2 years ago
8 0

Answer:

shortest side=6 inches

Step-by-step explanation:

Let the shortest side=x

then x+(x+7)+5x=49

7x=49-7=42

x=42/7=6

shortest side=6 inches

slavikrds [6]2 years ago
4 0
Short side length = x
Medium side = x + 7
Long side = 5x
Total 49, so
x + x + 7 + 5x = 49
If you combine like terms:
7x + 7 = 49
Subtract 7 from both sides
7x = 42
Divide both sides by 7
x = 6 inches
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