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GuestMar 16, 2012

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What is my answer to the previous question

GuestMar 16, 2012

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[input]5/15=(x+2)/x[/input]

Carley:
:) gotta love math

adminMar 16, 2012

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[input]541*(1+0.024/2)^(17*2)[/input]

adminMar 16, 2012

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[input]763.21*1.017^9[/input]

taxes, inflation?

adminMar 16, 2012

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[input]sin(45)/22=sin(63)/x[/input]

I think your problem might be the result is in rad instead of deg. (because our solver is currently only able to solve in rad)

sin(45)/22=sin(63)/x
x*sin(45)/22=sin(63)
x*sin(45)=sin(63)*22
x=sin(63)*22/sin(45)

in degrees:
[input]sin(63)*22/sin(45)[/input]

in rad:
[inputrad]sin(63)*22/sin(45)[/inputrad]

adminMar 16, 2012

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[input]x^(1/3)=4[/input]

adminMar 16, 2012

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-4x -2y = 12 what is x and y

GuestMar 16, 2012

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when you type in you problem, be careful that you close the parenthesis : Sin 63/22 and Sin (63)/22 are two different numbers. your equation should look like this: x= (Sin 63) x 22 / (Sin 45)

i like to add extra parenthesis just so i know my answer will be correct.

GuestMar 16, 2012

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this problem makes more sense if it is written out, but hopefully this will make sense

5/15=(x+2)/x

5/15 can be reduced to 1/3

1/3 = (x+2)/x
multiply both sides by (x)

1/3x = x+2
divide both sides by (1/3)... this is really multiplying both sides by (3/1) which is equal to (3)

x= 3(x+2)
multiply each item in the parenthesis by (3)

x= 3x+6
subtract (3x) from both sides

-2x=6
divide both sides by (-2)

x= -3

gotta love math

GuestMar 16, 2012

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t(t+1)=0
divide both sides by (t)

0/t = 0

t+1=0
subtract (1) from both sides
t=-1

* there is another way to complete this problem but the above example uses the zero product property

-3n(2n-5)=0
divide both sides by (-3n)

0/-3n = 0

2n-5=0
add (5) to both sides

2n = 5
divide both sides by (2)

n= 5/2 or 2.5

GuestMar 16, 2012

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Area=base x height

A= 3 x 2.5

GuestMar 16, 2012

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all you need to do is put how many questions you have right (10) over the amount of total questions (12)..... 10/12 = 83%

GuestMar 16, 2012

Mar 15, 2012

+3147

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adminMar 15, 2012

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[input]100/12[/input]

adminMar 15, 2012

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[input][1/4]+[2/3]+[5/6][/input]

adminMar 15, 2012

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[input]250 = x* (0.06/12)*(0.06/12+1)^36 / ( (1+0.06/12)^36-1 )[/input]
x=8217$

cnnpot:
$250 per month

I think you forgot a "0"

[input]2500 = x* (0.06/12)*(0.06/12+1)^36 / ( (1+0.06/12)^36-1 )[/input]
x=82177
now you can afford a nice German car.

adminMar 15, 2012

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[input]7.2+11%[/input]

bei 5 Wintermonaten ist der Jahresdurchnittsverbrauch:

[input](7.2+11%)*(5/12)+(7.2)*(7/12)[/input]

adminMar 15, 2012

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klar,

[input]1/2[/input]

[input]3 1/2 + 1/2[/input]

adminMar 15, 2012

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Guest:
4q + 5 = 5
4q + 5 - 5 = 5 - 5
4q = 5

but
4q + 5 - 5 = 5 - 5
is
4q = 0
so is
q=0

[input]4x+5=5[/input]

adminMar 15, 2012

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2*(2+4)=12

[input]2*(2+4)[/input]

adminMar 15, 2012

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[input]7 2/15- 6 2/5[/input]

adminMar 15, 2012

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[input](1/3)^(-27)[/input]

adminMar 15, 2012

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[input]x/11=2/5[/input]

adminMar 15, 2012

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[input]2/(3x) +6=24[/input]

adminMar 15, 2012

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