Xy = 22
1 1
Cross multiply:
xy * 1 = 1 * 22
Simplifying
xy * 1 = 1 * 22
Reorder the terms for easier multiplication:
1xy = 1 * 22
Multiply 1 * 22
1xy = 22
Solving
1xy = 22
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '1y'.
x = 22y-1
Simplifying
x = 22y-1
B. The total because your adding. By adding something you will get the total!
9^2 < 6^2 + 8^2
so its acute angled.
It's c because. 80 divided. by 2 equals 40 then add 27 that equals 67
