Answer:
25%
Step-by-step explanation:
The discount was $2.50. Dividing $2.50 by $10, we get 0.25, or 25%
Yes offcourse he's correct as rhombus diagonals bisect each other at 90degree whereas parallelogram's diagonals doesn't
Answer:
the zero property
Step-by-step explanation:
Anything to a negative power makes it inverse and 1/2 power is just square root.
Therefore 49^-1/2 is 1 divided by the square root of 49. The square root of 49 is 7 so the answer is 1/7.