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+3146

0

two equations:

x*y=2880
x+y=-180

[input]solve( x*y=2880, x+y=-180 )[/input]

adminApr 25, 2012

0

it would be 1/27

GuestApr 25, 2012

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This equation is linear. I would have to be the amount per video(7) times the amount of video games (x) plus $80 as the base. Thus it is 7x+80

GuestApr 25, 2012

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12a+3(a-2)-(a-5)
12a+3(a-2)-(a-5)=12a + 3(1a+(-2)+-1(1a+(-5a)
=12a+3(1a)+3(-2)+-1(1a)+-1(-5a)
=12a+3a+-6+-1a+5a
=(12a+3a+-1a+5a)+-6
=19a+-6

So the final anwser is 19a+(-6)

GuestApr 25, 2012

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I finaly found out the anwser. t=18. i also found out my mom helped her

GuestApr 25, 2012

Apr 24, 2012

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7x+80=weekly earnings

GuestApr 24, 2012

+3146

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[input](1/5) * (3/5)[/input]

adminApr 24, 2012

+18

0

MhmApr 24, 2012

+3146

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[input](2 1/4+1 1/8 )/ (2 1/2)[/input]

adminApr 24, 2012

+3146

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[input]77%[/input]

adminApr 24, 2012

0

GuestApr 24, 2012

+3146

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[input](5480/5700)^100[/input]

adminApr 24, 2012

+3146

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[input]plot( 120x - 12x^2, x=0..10 )[/input]

a maximum is where the "slope" is equal to 0:
[input]diff( 120x - 12x^2 )[/input]
[input]-(24*x)+120=0[/input]

x = i = 5Amps

adminApr 24, 2012

+3146

0

[input]plot(-4.9t^2 + 68.6t, t=0..10)[/input]

a maximum is where the "slope" is equal to 0:
[input]diff( -4.9t^2 + 68.6t )[/input]
[input]-(9.8*t)+68.6=0[/input]

t = 7 seconds

adminApr 24, 2012

+3146

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[input]ln(50000/25000)[/input]

adminApr 24, 2012

+3146

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÷

example:

[input]1/2 + 2 1/2[/input]

adminApr 24, 2012

+3146

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[input]68=5+9x[/input]

68=5+9x
68-5=5+9x-5
63=9x
63/9=9x/9
7=x

adminApr 24, 2012

Apr 23, 2012

0

GuestApr 23, 2012

0

GuestApr 23, 2012

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My brain is not working i need help on polynomials... pls help

GuestApr 23, 2012

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children stop argueing the real answer to that math question is: 27
good luck:)

GuestApr 23, 2012

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hey guys i put in "what a game name" and got 100%

GuestApr 23, 2012

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what do u think???

@bowchika whatever ur name is

GuestApr 23, 2012

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is that the answer?
to zorogirl

GuestApr 23, 2012

0

what a gay name

GuestApr 23, 2012

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