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Mekhanik [1.2K]
2 years ago
11

Pam has ridden her new bike 7.2 miles. Dale has ridden his new bike 12.5 times as far as Pam.

Mathematics
1 answer:
densk [106]2 years ago
4 0

Answer:

He has ridden 90 miles

Step-by-step explanation:

7.2 X 12.5 = 90

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Find the derivative of Y=2xcos2x​
Nastasia [14]

Answer:

Y' = -xsin(2x) + 2cos(2x)

Step-by-step explanation:

For this problem, we will need to use the product rule since you have two terms that contain the variable x.

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The derivative of the function is the product of the first term times the derivative of the second term plus the derivative of the first term times the second term.

Note the derivative of 2x with respect to x, is 2.

Note the derivative of cos(2x) with respect to x is (-1/2) sin(2x).

With this in mind, let's find the derivative of our function with respect to x.

Y = 2xcos2x

Y = 2x * cos(2x)

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Y' = (2x * -1 / 2) sin(2x) + 2 * cos(2x)

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So the derivative of our function is Y' = -xsin(2x) + 2cos(2x) according to the application of the product rule.

Cheers.

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