Cyrkody Cyrkody

23-01-2019
Mathematics

contestada

-16t^2+64t+160
after how many seconds is the ball 100 feet off the ground's surface?

Respuesta :

25-01-2019

The ball is 100 feet of the ground’s surface, that mean -16t^2 + 64t + 160 = 100
<=> -16t^2 + 64t + 60= 0
<=> t= 4.78s ; t = -0.78s (reject)

Answer Link

Otras preguntas

What are the components that break down nutrients for absorption in order from simplest to more complex

Find the value of the expression below when x =3/4 4x^2+8x-5

Personal Reflection: Reflect on the final product process. What advice would you share with a student completing this project next year? What worked well? What

I need help with question 11!!!!

Given parallelogram ABCD Find the area

8. In the United States ___________________ people died in alcohol related crashes in 2015, an alcohol-impaired driving fatality occurring every __________ minu

9x + 9x − 21 = 33 Please solve C:

Your friend's uncle has decided not to look after him or her in school anymore . Write at least two reasons why he should change his mind.

What is Charles Sumner famous for?

a rectangle has the dimensions 4x-3 by 2x+5 what is the area of the rectangle?