What is the approximate height of the hat?
2 answers:
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There must be minus sign with 4.9 .
The given equation is the equation of parabola , which is maximum at its vertex, and the formula of vertex is
So the height is maximum at t=2.55 seconds and to find the maximum height , we need to plug 2.55 for t , that is
So the maximum height is 112 m .
Since, the number w and 0.8 are additive inverses.
A number 'a' is said to have an additive inverse '-a' if "a+ (-a)= 0".
Since, 'w' and '0.8' are additive inverses of each other such that
Therefore, the value of 'w' should be '-0.8' so that .
So, the value of 'w' is =0.8
Now, Refer to the attached image which represents the position of 0.8 , w ( that is -0.8) and the sum of 0.8 and w.
Sum of 0.8 and w = 0.8 + w
= 0.8 +(-0.8)
= 0.
