3 years ago

16 meters of rope, i want to cut pieces of rope 0.2meters long. how many pieces can cut?

Mathematics

1 answer:

Kobotan [32]3 years ago

5 0

Answer:

Step-by-step explanation:

because 16 decided by 0.2 is 80

hope this helps!!!!

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the product of two consecutive integers n and n+1 is 42. what is the positive integer that satisfies the situation?

MrMuchimi

$n(n+1)=42 \\
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n^2+n-42=0 \\ \\
a=1 \\ b=1 \\ c=-42 \\ b^2-4ac=1^2-4 \times 1 \times (-42)=1+168=169 \\ \\
n=\frac{-b \pm \sqrt{b^2-4ac}}{2a}=\frac{-1 \pm \sqrt{169}}{2 \times 1}=\frac{-1 \pm 13}{2} \\
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16 meters of rope, i want to cut pieces of rope 0.2meters long. how many pieces can cut?​

16 meters of rope, i want to cut pieces of rope 0.2meters long. how many pieces can cut?