Mathematics, 31.05.2020 18:57 toot8255
A rock was thrown from the top of a cliff that its distance above sea level was given by s(t)=at^2 + bt +c , where t is time in seconds after the rock was released. After 1 second the rock was 63 metres above sea level, after 2 seconds 72 m and after 7 seconds 27m. Find an expression for s(t).
Answers: 1
Mathematics, 21.06.2019 19:00
Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°
Answers: 2
Mathematics, 21.06.2019 20:20
Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)
Answers: 3
A rock was thrown from the top of a cliff that its distance above sea level was given by s(t)=at^2 +...
Chemistry, 16.11.2020 22:30
Chemistry, 16.11.2020 22:30
Mathematics, 16.11.2020 22:30
Mathematics, 16.11.2020 22:30
English, 16.11.2020 22:30
History, 16.11.2020 22:30
Mathematics, 16.11.2020 22:30
History, 16.11.2020 22:30
Mathematics, 16.11.2020 22:30
Mathematics, 16.11.2020 22:30
English, 16.11.2020 22:30