subject
Mathematics, 20.05.2021 04:10 lizzieee04

A ball is kicked 4 feet above the ground with an initial vertical velocity of 51 feet per second. The function h(t)=−16t²+51t+4 represents the height h (in feet) of the ball after t seconds. Using a graph, after how many seconds is the ball 28 feet above the ground? Round your answers to the nearest tenth.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:20
Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.
Answers: 1
question
Mathematics, 21.06.2019 14:30
Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4
Answers: 2
question
Mathematics, 21.06.2019 17:30
If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)
Answers: 1
question
Mathematics, 21.06.2019 22:00
If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?
Answers: 3
You know the right answer?
A ball is kicked 4 feet above the ground with an initial vertical velocity of 51 feet per second. Th...
Questions
question
History, 20.08.2019 00:30
question
Mathematics, 20.08.2019 00:30
question
Mathematics, 20.08.2019 00:30
question
Social Studies, 20.08.2019 00:40