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PtichkaEL [24]
3 years ago
5

What’s the cosine of U?

Mathematics
1 answer:
user100 [1]3 years ago
3 0

Step-by-step explanation:

The cosine of U is equal to the adjacent side divided by the hypotenuse.

cos(U) = 28/53

You can simplify it from there.

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Answer:

24 teaspoons of red paint would be needed.

Step-by-step explanation:

Given that the initial mixture contains 8 teaspoons of red paint and 12 teaspoons of blue paint, this mixture contains a total of 20 units of paint, of which 8 are red, that is, 8 out of 20. Therefore, the proportion of red paint is 40%, while the proportion of blue paint is 60% remaining.

Therefore, in the case of making the same mixture (with the same proportion) using 36 teaspoons of blue paint, the necessary amount of red paint is determined through the following calculation:

60 = 36

40 = X

((40 x 36) / 60) = X

1,440 = 60 = X

24 = X

Thus, 24 teaspoons of red paint would be needed.

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