Assume that 7 is a. We already know that c = 25. The equation is c^2 - a^2 = b^2.
25^2= 625 7^2= 49 625-49= 576
Square root of 576 = 24
The length of thee other leg is 24.
That is false, 70 / 4 is not 17 mph
it is 17.5 mph
Answer:
the third option
Step-by-step explanation:
because the numbers down there are the coefficients of the top equations
The ball hits the ground when y = 0:-
-16t^2 + 22t + 45 = 0
we need to solve this for t
t = 2 1/2 seconds
