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Gala2k [10]
3 years ago
9

More free points just say thanks!

Mathematics
2 answers:
balu736 [363]3 years ago
8 0

Answer:

Thank you

Step-by-step explanation:

vfiekz [6]3 years ago
3 0

Answer:thank you!!!

Step-by-step explanation:

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Can some one please answer this it is due tomorrow and I could use some help thanks!
max2010maxim [7]

Answer:

15.09

Step-by-step explanation:

Hope this helps!

8 0
3 years ago
HURRY TIMED QUIZ!! ABCD is a rhombus. Find the length of AC. <br> A.20<br> B.30<br> C.26<br> D.16
Inessa05 [86]

Answer:

26

Step-by-step explanation:

6 0
3 years ago
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How do you integrate arctan(x dx? i think that if you simplify the integral you get:?
Temka [501]
Integration by parts will help here. Letting u=\arctan x and \mathrm dv=\mathrm dx, you end up with \mathrm du=\dfrac{\mathrm dx}{1+x^2} and v=x. Now

\displaystyle\int\arctan x\,\mathrm dx=uv-\int v\,\mathrm du
\displaystyle\int\arctan x\,\mathrm dx=x\arctan x-\int\frac x{1+x^2}\,\mathrm dx

For the remaining integral, setting y=1+x^2 gives \dfrac{\mathrm dy}2=x\,\mathrm dx, so

\displaystyle\int\frac x{1+x^2}\,\mathrm dx=\frac12\int\frac{\mathrm dy}y=\frac12\ln|y|+C=\frac12\ln(1+x^2)+C

Putting everything together, you end up with

\displaystyle\int\arctan x\,\mathrm dx=x\arctan x-\frac12\ln(1+x^2)+C
6 0
3 years ago
Warren wants to build a rectangular enclosure for his animals. one side of the pen will be against the barn, so he needs no fenc
Lera25 [3.4K]
L +2w = 500
a = lw

a) l = 500 -2w
.. a = (500 -2w)*w


b) The zeros of the above equation are w=0, w=250. The vertex of this quadratic is on the line of symmetry, halftway between the zeros, at w=125 ft.


c) a = (500 -2*125)*125 = 31,250 . . . . square feet
7 0
3 years ago
Mikey bikes 12 miles in 2 hours. How many miles does Mikey bike in an hour?
Ad libitum [116K]

Answer:

6 miles

Step-by-step explanation:

2 hours can be made into 1 hour by dividing by 2. In order to keep the ratio, you also have to divide the miles by 2, giving you 6.

2:12

1:6

7 0
3 years ago
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