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If u ate 55 then you have 45 left if u started with 100 simple math

its 144

12*12 = 144

144!!!!

98 is the correct answer, I was hoping for some fool to say 50.... :D

I asked the same question to all of my classmate's and most of them said 50!

Calculator.

x^2+1.09*10^{-12}-0.00000128*x=0

 {x=-(((sqrt(559256901775944674499989479)*i-18348623853211)/28669724770642187500)),

x=((sqrt(559256901775944674499989479)*i+18348623853211)/28669724770642187500)}

@dragonslayer15 change pic master chief sucks

16^a=1/(64^a+1) = 64^a=-((((16^a)-1)/16^a))

Press the button that looks like this: 

When pressed, _{text will look like this.} :)

Round up to the nearest penny.  $26+$1.46=$27.46, so you pay $27.46 for the watch.

                                             Add sales tax, not subtract.

1/2(4)=2, so your sister is 2 years younger than you at all times.

100-2=98, so when you are 100, your sister is 98.

98 years old

By the time you are 100??? {nl}  

Hmmmmmm......................... I don't get it!

I don't know, but my guess might be 98. DON'T WRITE THAT AS THE ANSWER THOUGH!!!!

x*2=7896 --> x=3948

Solve for x:
x^2-1.28×10^-6 x+0.355535 = 0

x^2-1.28×10^-6 x+0.355535 = x^2-1.28×10^-6 x+0.355535:
x^2-1.28×10^-6 x+0.355535 = 0

Subtract 0.355535 from both sides:
x^2-1.28×10^-6 x = -0.355535

Add 4.096×10^-13 to both sides:
x^2-1.28×10^-6 x+4.096×10^-13 = -0.355535

Write the left hand side as a square:
(x-6.4×10^-7)^2 = -0.355535

Take the square root of both sides:
x-6.4×10^-7 = 0.+0.596267 i or x-6.4×10^-7 = 0.-0.596267 i

Add 6.4×10^-7 to both sides:
x = 6.4×10^-7+0.596267 i or x-6.4×10^-7 = 0.-0.596267 i

Add 6.4×10^-7 to both sides:
Answer: |  x = 6.4×10^-7+0.596267 i    or    x = 6.4×10^-7-0.596267 i

Area of a triangle is given by (1/2)*base length*height

.

Sure! Say you have x^-1 that would be

\(1\over x\) if you have x^2 you would get \(1\over x^2\) and so on.. but if you have say 

\(2x^{-2}\)you would get \(2 \over x^2\)

if you have a fraction that is negative for example \(-1\over 2\)you would get

\(1 \over \sqrt{x}\) , i'm assuming you've already learnt the fraction indice laws.

m^-n is the same as 1/(m^n)

So, for example,  2^-3  is the same as 1/(2^3)  →  1/8

.

Umm.........

I dunno

5.6%*26=1.456

26-1.456=24.544

any side a^2=b^2+c^2-2b*cos(A) for any 

for finding angles \(Cos(A)=b^2+c^2-a^2\over 2bc\)

We just started learning exponents and that looks really complicated sorry.