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x=1, y=2
x=-2/5, y=-11/5

1. 36^1/2
   = 6(The square root of 36 is 6)
   2) 23⁰
   = 1(Anything to the power of 0 is 1)
   3) 27^-2/3
   = 3^-2 = 1/3²= 1/9
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Use Pythagoras' theorem. a² + b² = c². The longest side of the triangle is the hypotenuse, and it is the side opposite the right angle. We use the length of this side as '...

The easiest way is probably to write a table with all of the X and Y values. Write out all of the x values and substitute them into the formula to see what value of Y you need to get the value of 3.X Y-3 ...

Let's call the numbers we are looking for a and b. From the question: a-b = 50 and b is 50% of a, which means that b = (50/100)a=0.5 a. Substituting this form of b in the first equation, we obtain: a-...