![h(t)=-4.9t^{2}+34.3t+1 \\h'(t)=(-4.9t^{2}+34.3t+1)'=-9.8t+34.3 \\h'(t)=0 \\-9.8t+34.3=0 \\ \\t= \frac{34.3}{9.8} =3.5 \\ \\h_{max}=h(3.5)=-4.9\times3.5^{2}+34.3\times3.5+1=61.025](https://tex.z-dn.net/?f=h%28t%29%3D-4.9t%5E%7B2%7D%2B34.3t%2B1%0A%5C%5Ch%27%28t%29%3D%28-4.9t%5E%7B2%7D%2B34.3t%2B1%29%27%3D-9.8t%2B34.3%0A%5C%5Ch%27%28t%29%3D0%0A%5C%5C-9.8t%2B34.3%3D0%0A%5C%5C%0A%5C%5Ct%3D%20%5Cfrac%7B34.3%7D%7B9.8%7D%20%3D3.5%0A%5C%5C%0A%5C%5Ch_%7Bmax%7D%3Dh%283.5%29%3D-4.9%5Ctimes3.5%5E%7B2%7D%2B34.3%5Ctimes3.5%2B1%3D61.025)
The ball reaches its maximum height after 3.5 seconds, and the maximum height is 61.025 meters.
Uh for the second question, his height in decimal form would be 4.75, kind sir.
Hope this helped,
Answer:
see in the picture, the perimeter of this rectangle is
2( x + 3x) = 8x but the perimeter is 65.6
=> 8x = 65.6
<=> x = 65.6/8
=> x = 8.2
Answer: i believe its rhombus rectangle quadrilateral
Step-by-step explanation:
Answer: y=1x-1
Step-by-step explanation: