Amyra2003
23.01.2021 •
Mathematics
PLEASE SOMEONE HELP MY SEMESTER IS ALMOST OVER
A ball is thrown into the air with an initial upward velocity of 48 ft/s. It height "h" in feet after "t" seconds is given by the function "h(t)=-16t^2 + 48 + 4
1. What height will the ball be when 2 seconds have passed?
2. In how many seconds will the ball reach its maximum height?
3. What is the balls maximum height?
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Ответ:
How much gold is in a crown tooth?
On average, the typical yellow-colored gold dental crown is around 16 karat (67% gold). Besides gold, this type of alloy may also contain amounts of palladium, platinum and silver. Dentists sometimes use silver-colored alloys, “White gold” dental alloys, to make restorations.