Answer:
4 seconds
Step-by-step explanation:
Given : 
To Find: How many seconds does it take for the golf ball to hit the ground?
Solution :
Since we are given an equation :
Where H denotes height
t denotes the number of seconds elapsed since the ball was hit.
When he golf ball to hit the ground at that time the height becomes 0
So, put H = 0 in the equation
Thus it take 4 seconds for the golf ball to hit the ground
<h2>Area of a square = side × side</h2>
Let the side = x
<h3>Length of each side = <u>8</u><u> </u><u>units</u></h3>
.... Hope this will help....
Answer:
Step-by-step explanation:
I dont quite understand the problem but this is one way to solve it using completing the square:-
2x^2 + 8x - 12 = 0
2(x^2 + 4x) - 12 = 0
2((x + 2)^2 - 4) = 12
2(x + 2)^2 - 8 + 8 = 12 + 8
2(x + 2)^2 = 20
Answer:
x = 2
Step-by-step explanation:
$280 is her goal. Good luck and have a great day!
