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ivann1987 [24]
3 years ago
12

D/dx [tan^-1 (x)] find the derivative

Mathematics
1 answer:
Eva8 [605]3 years ago
7 0
From my notes I’ve the derivative of arctan(x)= 1/(1+x^2)
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I will give the brainliest if you help me find the diameter
NikAS [45]

Answer: 4in

Step-by-step explanation:

Radius is 1/2 of diameter

Therefore you can multiple radius by 2 to get diameter

2x2 is 4

4in

8 0
4 years ago
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A piece of wood is divided into two pieces in the ratio of 2:5. One piece is 10 cm long so how long is the other piece?
klio [65]

Answer:

The length of the pother piece of the wood is 25 cm.

Step-by-step explanation:

Let the length of a piece of wood is x such that the ratio of two pieces is 2:5. Two pieces are 2x and 5 x

Length of the first piece is 10 cm. It means, 2x = 10 i.e. x = 5

We have considered that the length of other piece is 5x. It means 5×5 = 25 cm.

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8 0
3 years ago
Three Times what Equals 75
allochka39001 [22]
Let's define what as 'x'

3x = 75

Divide both sides by 3.

3x/3 = 75/3

x = 75/3

x = 25

Three times twenty five equals 75.

Your final answer is twenty five or 25.
3 0
3 years ago
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Help please and show work
Lady bird [3.3K]
So the radius is 7 inch which is given
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the slope of the line is y = -1/2x -2
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