A hockey player strikes a hockey puck. The height of the puck increases until it reaches and maximum height of 3 feet, 55 feet a
way from the player. The height y (in feet) of a second hockey puck is modeled by y=x(0.15-0.001x), where x is the horizontal distance (in feet). Compare the distances traveled by the hockey pucks before hitting the ground.
So remember that area of a rectangle is a = bh. In this case, our sides are 2 and n - 3 (three less than unknown number) and our area is 22. Using our info, we can form the equation: . From here we can solve for n.
Firstly, foil 2(n-3):
Next, add 6 on both sides of the equation:
Next, divide both sides of the equation and your answer will be 14 = n. In context, the value of the unknown number is 14 in.