Fraction: 3/10
percent: 0.3%
X=10 because. (X-3)=-49. so (10-3) with the power of 2=-49
Answer:
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Step-by-step explanation:
X + 3x + 4x = 56
8x = 56
x = 7
The shortest piece is 7 inches
The middle piece is 7*3 = 21 inches.
The longest piece is 4*7 = 28 inches
Check
7 + 21 + 28 = 56 It does check and the lengths are correct.
