Answer:
About 1.5799 seconds.
Step-by-step explanation:
Since you know how high the egg is from the ground, you can simply plug it into d. [tex]10=-16t^2-7t+61[/tex], which simplifies to [tex]-16t^2-7t+51=0[/tex]. Now you can just treat this as a quadratic equation to find that t is about 1.5799 seconds. PM me if you have more questions!
