Help2471 Help2471

19-03-2017
Mathematics

contestada

After how many seconds is the height 68 feet? When the equation is h=-16t2+64t+8

Respuesta :

taylortuanquin taylortuanquin

19-03-2017

68=-16t2+64t+8
16t2-64t+60=0

4t2-16t+15=0
(2t-5)(2t-3)=0
t=5/2 or 3/2
The object is at 68 feet after 3/2 secs, and returns to 68 feet after another second..

Answer Link

Otras preguntas

In which direction will the horizontal component of the earth's magnetic field deflect when a positively charged particle descends vertically?

you are running a concession stand at a basketball game and you’re selling both hot dogs and sods. each hot dog costs $1.50 and each soda costs $0.50 . at the e

find the empirical formula of the compound containing 0.85g of potassium, 0.13g of carbon, and 0.52g of oxygen

Which of the following is not a method in which to defend a breach of contract claim?Group of answer choicesA. DuressB. Undue influenceC. No considerationD. Non

For years, the dominant theory has been that humans came on foot from siberia across the bering land bridge and reached alaska when sea levels dropped. however,

What is the primary law governing wages?

Compare the sum of the vertical segment lengths in both graphs. How can this comparison help you decide which trend line is more suitable for the data ?

Complete the sentences by adding out what sustainable practices will you do to help out mother earth 1. I can buy less 2. I can use less 3. I can compost 4. I c

When you insert a dielectric into a capacitor, the stored energy in decreases. If you take the dielectric out, the energy increases again. Where does the energy

Community health project presentation: Red Angels Program Assess: a) Discuss the history, mission, values, and structure of the clinical agency. b) Determine ge