What is 3 times the sum of x plus 2 is less than 10 as an inequality?
1 answer:
You might be interested in
Answer:
The coin was thrown from 448 feet
Time to hit the ground is 7 seconds
Step-by-step explanation:
Given
Solving (a): Height when coin is thrown
At this point t = 0
So, we have:
Solve expressions in the brackets
<em>Hence, the coin was thrown from 448 feet</em>
Solving (b): Time to hit the ground
At this point, h = 0.
So, we have:
Reorder
Divide both sides by -16
This gives:
or
or
Since, time can't be negative;