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BARSIC [14]
3 years ago
15

The second hand on a clock is 8cm long why is the distance the tip of the second hand travels in 10 minutes

Mathematics
1 answer:
Lilit [14]3 years ago
3 0

Answer: 8.37 cm rounded

Step-by-step explanation: The second hand on a clock rotates around the center of a clock creating a circle. This means it travels around the circle of the clock every hour. Its distance around the clock is the circumference of its circle with radius 8 cm.

This is the total distance around the clock in 1 hour. But how far does it travel in 10 minutes? 10 minutes is 1/6 of 60 minutes, a full hour. Multiply the circumference by 1/6 to find the distance in 10 minutes.

1/6 ( 50.24)= 8.37

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2 years ago
Use mathematical induction to prove
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Prove\ that\ the\ assumption \is \true for\ n=1\\1^3=\frac{1^2(1+1)^2}{4}\\ 1=\frac{4}{4}=1\\

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Assume the formula also works, when n=k.

Prove that the formula works, when n=k+1

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Since the formula has been proven with n=1 and n=k+1, it is true. \square

7 0
2 years ago
Jodi read 3/8 of a book on monday,5/12 of the book on tuesday,and the rest of the book on wednesday.What fraction of the book di
klemol [59]

Jodi read \frac{5}{24} of the book on Wednesday.

Step-by-step explanation:

Given,

Fraction of book read on Monday = 3/8

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Total book = 1

Monday + Tuesday + Wednesday = 1

\frac{3}{8}+\frac{5}{12}+x=1\\x=1-\frac{3}{8}-\frac{5}{12}\\x=\frac{24-9-10}{24}\\x=\frac{24-19}{24}\\x=\frac{5}{24}

Jodi read \frac{5}{24} of the book on Wednesday.

Keywords: fraction, subtraction

Learn more about subtraction at:

  • brainly.com/question/8301701
  • brainly.com/question/8280736

#LearnwithBrainly

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3 years ago
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