By solving a quadratic equation we will see that the egg will hit the ground after 1.58 seconds.
<h3>
How long will take the egg to reach the ground?</h3>
Here we know that the initial height of the egg is 40ft, so the equation for the height will be:
![h(t) = -16*t^2 + 40](https://tex.z-dn.net/?f=h%28t%29%20%3D%20-16%2At%5E2%20%2B%2040)
The egg will hit the ground when h(t) = 0, so we need to solve the quadratic equation:
![h(t) = -16*t^2 + 40 = 0\\\\16t^2 = 40\\\\t^2 = 40/16\\\\t = \sqrt{40/16} = 1.58](https://tex.z-dn.net/?f=h%28t%29%20%3D%20-16%2At%5E2%20%2B%2040%20%3D%200%5C%5C%5C%5C16t%5E2%20%3D%2040%5C%5C%5C%5Ct%5E2%20%3D%2040%2F16%5C%5C%5C%5Ct%20%3D%20%5Csqrt%7B40%2F16%7D%20%3D%201.58)
This means that the egg will hit the ground after 1.58 seconds.
If you want to learn more about quadratic equations:
brainly.com/question/1214333
#SPJ1
I think it is the first and last one
Answer: x = 2
Step-by-step explanation:
You need to subtract the 9from both sides to cancel out the 9 on the side of the x
Then you divide -18/-9 and you get +2
Member two negative numbers divided make a postitive
<em><u>{(-1, -2), (1, 3), (1, 5), (3, 5)}</u></em><em><u>.</u></em>
<em>[</em><em>that's</em><em> </em><em>it]</em><em>:</em><em>)</em>