Answer:

Step-by-step explanation:
If the length of the square side is a units, then the area of the square is

In your case, the side length is

then the area is

Answer:
Step-by-step explanation:
So you do 3.29*12.6=41.454. Since we are dealing with money we round to get $41.45
Answer: -5
Step-by-step explanation:Absolute value is +5*-=-5
Each time they assume the sum<span> is </span>rational<span>; however, upon rearranging the terms of their equation, they get a contradiction (that an </span>irrational number<span> is equal to a </span>rational number<span>). Since the assumption that the </span>sum of a rational<span> and </span>irrational number<span> is </span>rational<span>leads to a contradiction, the </span>sum<span> must be </span>irrational<span>.</span>
Answer:
80
Step-by-step explanation:
80 divided by 1/2 = 40 therefore 40 is 50% of 80