Answer:
2s+6
Step-by-step explanation:
(9s+9)-(7s+3)
9s-7s+9-3
2s+9-3
2s+6
Answer:
1st
3rd
6th
5 is the end
Step-by-step explanation:
Considering the vertex of the quadratic equation, the maximum height that the object will reach is of 80 feet.
<h3>What is the vertex of a quadratic equation?</h3>
A quadratic equation is modeled by:

The vertex is given by:

In which:
Considering the coefficient a, we have that:
- If a < 0, the vertex is a maximum point.
- If a > 0, the vertex is a minimum point.
In this problem, the equation is:
f(t) = -16t² + 64t + 16.
Hence the coefficients are:
a = -16, b = 64, c = 16.
The maximum value is found as follows:

More can be learned about the vertex of a quadratic equation at brainly.com/question/24737967
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Answer:
width = 4.5 m
length = 14 m
Step-by-step explanation:
okay so first you right down that L = 5 + 2w
then as you know that Area = length * width so you replace the length with 5 + 2w
so it's A = (5 +2w) * w = 63
then 2 w^2 + 5w - 63 =0
so we solve for w which equals 4.5 after that you solve for length : 5+ 2*4.5 = 14
Answer:
Its Graph B
Step-by-step explanation:
I got the quiz correct