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Olenka [21]
3 years ago
7

What is the circumference of a circle whose radius is 1.3 cm? Find the circumference using the formula C=2πr

Mathematics
1 answer:
bearhunter [10]3 years ago
4 0

Answer:

C≈8.17cm

Step-by-step explanation:

C=2πr=2·π·1.3≈8.16814cm

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10n^{2} - 12 = -8<br> Please help
torisob [31]

The value for n is \frac{\sqrt{10} }{5}

<h3>solving for n</h3>

<u>given data</u>

10n^{2} - 12 = -8

making n the subject of the formula

10n^{2}  = -8 + 12

10n^{2}  = 4

divide through by 10

n^{2}  = 4 / 10

finding the square root of both sides

n = square root ( 4 / 10 )

n = \sqrt{\frac{4}{10}

n = 0.632 or \frac{\sqrt{10} }{5}

Read more the subject of formula here: brainly.com/question/21140562

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7 0
1 year ago
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Answer:

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Step-by-step explanation:

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Ignore the -1 for now

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5 0
3 years ago
A number cube is rolled 360 times and the results are recorded as follows: 41 ones, 54 twos, 62 threes, 75 fours, 33 fives, and
cestrela7 [59]
Let's attribute a to equal probability of 2 and b to equal probability of 3
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A is the correct answer my dude
7 0
3 years ago
Is it true that the 6 in 26.495 is 10 times the value of the 6 in 17.64
Andreyy89
Yes because if you multiply 0.6 by 10, it would equal 6. So yes, the 6 in 26.495 IS 10 times the value of the 6 in 17.64.
8 0
3 years ago
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Answer:

D

Step-by-step explanation:

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3 years ago
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