Answer:
y = 9
Step-by-step explanation:
-2y+6=-12
subtract 6 on both sides: -2y=-18
divide both sides by -2: y=9
SA formula: Ph + 2B
B is the trapezoid side.
using the formula:
(3+4+5+6)*5 + 2(16) = 126 cm^2
Answer:

Step-by-step explanation:
Given
--- height
--- initial velocity
--- acceleration
Required
The velocity when he hit the water
The velocity is then calculated using:

This gives:



Solve for v


Starting point 27(3/8) - loss 2(1/2) = 24.875 which is the closing value
Answer:
Step-by-step explanation:
Infinite solution