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Nonamiya [84]
3 years ago
14

PLEASE HELP AND IF ITS WORNG I WILL BE UPSET BECAUSE THIS QUESTION IS ABOUT WILL I DIE OR LIVE

Mathematics
2 answers:
Evgen [1.6K]3 years ago
8 0

Answer:

  • D. none of these

Step-by-step explanation:

<u>Proper equation would be:</u>

  • 1 - (5/19 + 3/19) = 11/19

This doesn't match any answer options, so the correct option is the last one

IrinaVladis [17]3 years ago
6 0

Answer:

B/2

Step-by-step explanation:

Jeez better not get this wrong... anyway, to start off the total is 19 books. Adding 5 then adding 3, She returned 8 books to the 19 she checked out. Uhhhh no clear answer.

NOT the first one cause 8 isn't the total. Don't think it would be the last one cause that's no fun. So it's either the second or the third one. The third one also makes no sense cause it only includes the returns from yesterday. I'm going with the second one

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Given f(x) = (lnx)^3 find the line tangent to f at x = 3
kirill [66]
Explanation

We must the tangent line at x = 3 of the function:

f(x)=(\ln x)^3.

The tangent line is given by:

y=m*(x-h)+k.

Where:

• m is the slope of the tangent line of f(x) at x = h,

,

• k = f(h) is the value of the function at x = h.

In this case, we have h = 3.

1) First, we compute the derivative of f(x):

f^{\prime}(x)=\frac{d}{dx}((\ln x)^3)=3*(\ln x)^2*\frac{d}{dx}(\ln x)=3*(\ln x)^2*\frac{1}{x}=\frac{3(\ln x)^2}{x}.

2) By evaluating the result of f'(x) at x = h = 3, we get:

m=f^{\prime}(3)=\frac{3}{3}*(\ln3)^2=(\ln3)^2.

3) The value of k is:

k=f(3)=(\ln3)^3

4) Replacing the values of m, h and k in the general equation of the tangent line, we get:

y=(\ln3)^2*(x-3)+(\ln3)^3.

Plotting the function f(x) and the tangent line we verify that our result is correct:

Answer

The equation of the tangent line to f(x) and x = 3 is:

y=(\ln3)^2*(x-3)+(\ln3)^3

6 0
1 year ago
Water comes out of a pipe at a rate of 30 gallons per minute.
Lyrx [107]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
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Vlada [557]

Answer:

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Step-by-step explanation:

The real solutions of the equation 19x^3-12x^2-16x=0  is where the graph of y=19x^3-12x^2-16x intersects the x-axis.

This means that we need to graph y=19x^3-12x^2-16x using a graphing software.

From the graph shown in the attachment x=0, x=1.29, and x=-0.65  are the  real solutions.

The correct choice is C

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Alekssandra [29.7K]
6,000 right? I think
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Lisa [10]

Answer:

true

Step-by-step explanation:

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