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Mashutka [201]
3 years ago
13

Find the length of CV¯¯¯¯¯¯¯¯ A. 43.92 B. 33.1 C. 68.87 D. 41.45

Mathematics
1 answer:
Anni [7]3 years ago
8 0

Answer: B. 33.1

Step-by-step explanation:

Use sin to solve (opposite/hypotenuse)

let x= length of CV

sin(37)=x/55

x=55sin(37)

x≈33.1

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Explanation:

If we replace x with 0, then we get...

f(x) = 3x^2-8x+2

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f(0) = 3(0) - 8(0) + 2

f(0) = 0 - 0 + 2

f(0) = 2

Showing that the input x = 0 leads to the output y = f(x) = 2

The answer is between choice A and choice D because of this. Something like choice B is eliminated because this table shows x = 0 leading to y = -3 which is not correct.

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Let's plug in x = 1

f(x) = 3x^2-8x+2

f(1) = 3(1)^2 - 8(1) + 2

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We don't need to try other x values since we have the answer, but I recommend practicing with other x values to help confirm that the first table is the answer.

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