Answer:
0.6819
Step-by-step explanation:
C. 7.5
3/4 = .75
7.5/10 = .75
Answer:

Step-by-step explanation:
Pythagorean Theorem : In a right triangle, square of hypotenuse is equal to the sum of the squares of the other sides.

Hence these sides represent a right triangle.

Hence this does not represent a right triangle.

This represents a right triangle.
Answer:
11 + x = 28
Step-by-step explanation:
The number of books they bought must add to 28.
(4q-6n) /(3m) =f
4q-6n=f(3m)
4q=3fm+6n
q=(3fm+6n)/4