MATHEMATICS COLLEGE

Finding second Derivatives In Exercise,find the second derivate.
f(x) = 5e - x - 2e - 5x

Answers

Answer 1
Answer:

Answer: The second derivative would be

f''(x)=5e^(-x)-50e^(-5x)

Step-by-step explanation:

Since we have given that

f(x)=5e^(-x)-2e^(-5x)

We will find the first derivative w.r.t. 'x'.

So, it becomes,

f'(x)=-5e^(-x)+10e^(-5x)

Then, we will find the second derivative w.r.t 'x'.f''(x)=5e^(-x)+10* -5e^(-5x)\n\nf''(x)=5e^(-x)-50e^(-5x)

Hence, the second derivative would be

f''(x)=5e^(-x)-50e^(-5x)

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A theater has a seating capacity of 750 and charges $3 for children, s5 for students, and $7 for adults. At a certain screening with fll ttendance, there were combined. The receipts totaled $3450. How many children attended the show?
8 - 2x = 6x - 10x + 18
Find the missing values on the diagram below. Assume that each line is evenly divided

87 1/3% into a fraction

Answers

Answer:

87 1/3 / 100 or 8.73/10

Step-by-step explanation:

Since this is a percent, put it out of 100

87 1/3 / 100 or 8.73/10

If this answer is correct, please make me Brainliest!

Sarah hired a painter to paint her bedroom walls and ceiling. Each of the four bedroom walls is 18 ft. long and 8 ft. high. Two walls each have one door,and both doors measure 3 ft. by 7 ft. One wall has a window that is 3 ft. by 5 ft. The doors and window do not have to be painted
What is the area of the wall space that has to be painted?

Answers

Answer:

Step-by-step explanation:

519 I believe

Estimate the product by rounding 4×472

Answers

4*500=2000

Answer = 2000

Answer:

i think it would be 2000

Step-by-step explanation:

the larger angle of two complementary angles is four times as large of the smaller angle find the measurement of the smaller angle

Answers

The answer is: 18° .
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Explanation:
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x + 4x = 90 ; solve for "x"
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 5x = 90 ;
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 Divide EACH SIDE of the equation by "5"; to isolate "x" on one side of the equation; and to solve for "x" ;
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  5x / 5 = 90 / 5 ;
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       x = 18  ;   The answer is: 18° .
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40% as fraction and decimal

Answers

Answer:

40% as a decimal is 0.4

40% as a fraction is 2/5

Step-by-step explanation:

Let's go over each of these step by step.

First, let's see 40% as a fraction.

Since 40% is out of 100%, we can rewrite that as 40/100.

If you want to simplify it, let's do the following.

40/100

Divide both sides by 20, and you'll end up with:

2/5.

Now, let's do 40% as a decimal.

This is pretty simple.

40% is 40/100 as said before, and to find it as a decimal,

let's divide 40 and 100.

40 divided by 20 = 0.4

Therefore, we can conclude the following:

40% as a fraction is 40/100, or 2/5.

40% as a decimal is 0.4

Hope this helped! :)

new vintage 1965 convertible requires an ol change every 400 miles and replacement of all fBuids every 13,000 mles If these services have pust been performed by the dealer, how many mles from now will both be due at the same tme? The services will both be due at the same ime agan in mdes (Type a whole rumber)

Answers

Answer:There are 26000 miles that will both be due at the same time.

Step-by-step explanation:

Since we have given that

Number of miles required by new vintage = 400

Number of miles if these services have must been performed by the dealer = 13000

We need to find the number of miles from now that will both be due at the same time.

We would use "LCM of 400 and 13000":

As we know that LCM of 400 and 13000 is 26000.

So, there are 26000 miles that will both be due at the same time.
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