Let's solve ~
Therefore, the lateral surface area of cone = 180 pi in²
➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖
Solving the quadratic function, it is found that the particle returns to the ground after 7 seconds.
<h3>What is the quadratic function for the particle's height?</h3>
The particle's height after t seconds is modeled by the following equation:
s(t) = -16t² + v(0)t.
In which v(0) is the initial velocity of the particle, which in this problem is of 112 ft/s, hence:
s(t) = -16t² + 112t.
The particle hits the ground when s(t) = 0, hence:
s(t) = 0
-16t² + 112t = 0
-16t(t - 7) = 0.
Hence the non-trivial solution is:
t - 7 = 0 -> t = 7.
The particle returns to the ground after 7 seconds.
More can be learned about quadratic functions at brainly.com/question/24737967
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Answer:
it is valley
Step-by-step explanation:
it is a valley because the lower numbers in the middle suggest that it gets higher towards the outer layers which means that it goes down in the middle like a hole and a hole is like a valley. :) hope that makes sense
D: 657.825
Start by converting 5 1/4 to a decimal. I’m assuming you have memorized 1/4 as a decimal, but if you haven’t yet, it’s 0.25. Add 0.25+5=5.25
One bag covers 125.3 ft square, but we have 5.25 bags. Change the one to 5.25 and multiply by 125.3.
Multiply 5.25x125.3
It equals 657.825
Hope this helps, reach out if you’re still confused!
