3 years ago

You measure a piece of rope and find its length to be 13 m. Find the percent error of this measurement.

1 answer:

4 0

You cannot find the percent error of data without knowing the true length of the rope, as percent error is essentially a comparison between what you measured and what it actually is.

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(2-cos^2A)(1+2cot^2A)=(2+Cot^2A)(2-sin^2A)

fomenos

Answer:

2 sin (2A) cos (2A)^4 + 2cos (2A)

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sin (2A)

Step-by-step explanation:

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3 years ago

What is the change from -9 to -1?.

jarptica [38.1K]

Answer:

Positive 8

Step-by-step explanation:

Since they're both negative numbers and it went from -9 to -1, you had to have added a positive number to get a lesser negative number. To put it simply, if you were to subtract 8 from 9, you'd get 1.

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3 years ago

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Reika [66]

Answer:

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3 years ago

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Answer:

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3 years ago

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Whitepunk [10]

Answer:

-5 and 20

Step-by-step explanation:

-5 + 20 = 15

-5 * 20 = -100

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3 years ago