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aleksklad [387]
2 years ago
10

Find the derivative of f(x) = 6 / x at x = -2.

Mathematics
1 answer:
sveticcg [70]2 years ago
6 0

Answer:

Substitute the given value into the function and evaluate.

−3

Step-by-step explanation:

I think I'm not really sure but use math-way it helps a lot

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to visit the of the empire state building, a ticket cost $4.00 in 1999.in 2009 ,the price rose to 20.00. what was the percent ch
Ksju [112]

Answer:

Step-by-step explanation:

i think its 500%

but im not sure

because 20 divided by 4 = 5

and 5.0 = 500%

3 0
3 years ago
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Two cars simultaneously left Points A and B and headed towards each other, and met after 2 hours and 45 minutes. The distance be
rjkz [21]

Answer:

Its 41 mph and 55 mph

Step-by-step explanation:

8 0
3 years ago
A field is a rectangle with a perimeter of 1220 feet. The length is 100 feet more than the width. Find the width and length of t
rosijanka [135]
To start, let x represent the width and x+100 represent the length. Since the perimeter of a figure is the sum of all the measurements of the side which can be represented by (x+100)+(x+100)+x+x and since you know your perimeter is 1220, you can set the expression equal to 1220. This would look like this:
(x+100)+(x+100)+x+x=1220

Once you have done that, combine any like terms (combine terms with the same variables and raised to the same power together) which would simplify to this:
4x+200=1220

Now that you have your like terms simplified, subtract 200 from both sides to get 4x=1020 and finally, to solve for x, or find the width, divide both sides by 4 to get x=255.

Now that you have your width, now you must find your length as the question asks to find the dimensions of the rectangular field. To find the length, add 100 to the width, 255 since according to the information given, the length is 100 more than the width. When you add 100 to 255, you should get that your length is 355. 

Now that you have your length and width, you can conclude that the dimensions of the field is 255 by 355 feet, which is your answer :)
3 0
3 years ago
I think this is easer than it looks but i need help
alisha [4.7K]

Answer:

a

Step-by-step explanation:

it is the same angle

6 0
3 years ago
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The volume of this sphere is 904.32 cubic inches. What is the surface area of this sphere?
andrew-mc [135]

Answer:

A = 4 pi R^2     V = 4/3 pi R^3

A / V = 3 / R

Also, R = (3 * V / 4 * pi)^1/3 = (3 * 904.32 / (4 * pi))^1/3 = 6 in

So A = 3 / 6 * V = 1/2 * 904.32 = 452.16 in^2

8 0
3 years ago
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