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irina1246 [14]
2 years ago
12

What is the answer to 4/5 of 30?

Mathematics
2 answers:
lorasvet [3.4K]2 years ago
7 0

Answer:

24

Step-by-step explanation:

[4 / 5 ] * 30 = 24

krek1111 [17]2 years ago
5 0

Answer:

24

Step-by-step explanation:

To get the answer you have to multiply the 4/5 x 30 to get the answer

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Answer:

Part I: cot(15 degrees) = cot(45 - 30)

Part II: Evaluation is below

Step-by-step explanation:

<em>Everything is done in degrees</em>

<em />

Two angles that differ by 15 degrees that is easy to evaluate is 30 degrees and 45 degrees. The cot(15 degrees) = cot(45 - 30) = 1/tan(45-30) = (1+tan45tan30)/(tan30 - tan45) = (1+ sqrt(3))/(sqrt(3) - 1)

We rationalize this by multiplying 1+ sqrt(3) in the top and bottom, getting:

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I hope this helps! :)

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2 years ago
PLEASE HELP PLEASE PLEASE
snow_lady [41]
A i did this and i got a good grade
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Please help will give brainliest and extra points.
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