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Bond [772]
4 years ago
12

Kiara has already written 37 pages, and she expects to write 1 page for every additional hour spent writing. How many hours will

Kiara have to spend writing this week in order to have written a total of 50 pages?
Mathematics
1 answer:
Reil [10]4 years ago
5 0

Answer:

13 hours

Step-by-step explanation:

Since Kiara has already written 37 pages she only needs 13 more to get to 50 pages. If she takes one hour per page then it will take her 13 hours to write 13 pages.

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6.
Delvig [45]

Answer:

144, but i think it's B

Step-by-step explanation:

36 * 4 = 144

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3 years ago
What is the difference between<br>Increase $5000 by 20%<br><br>and<br><br>Decrease $5000 by 20%
Evgen [1.6K]
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Find the derivative of the problem below and show your work.
Alecsey [184]

The derivative of the function is =\frac{e^x\left(4x^2-8x+1\right)}{2\left(4x^2+1\right)^2}

<h3>What is Derivative?</h3>

The derivative is the instantaneous rate of change of a function with respect to one of its variables.

Given function:

y=\left(\frac{e^x}{\:\left(8x^2+2\right)}\right)

Differentiating and applying Quotient Rule

=\frac{\frac{d}{dx}\left(e^x\right)\left(8x^2+2\right)-\frac{d}{dx}\left(8x^2+2\right)e^x}{\left(8x^2+2\right)^2}

Now, d/dx (e^{x})= (e^{x})

d/dx(8x²+2) = 16x

So,

=\frac{e^x\left(8x^2+2\right)-16xe^x}{\left(8x^2+2\right)^2}

=\frac{e^x\left(4x^2-8x+1\right)}{2\left(4x^2+1\right)^2}

Hence, the value of derivative is  \frac{e^x\left(4x^2-8x+1\right)}{2\left(4x^2+1\right)^2}

Learn more about derivative here:

brainly.com/question/124529

#SPJ1

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