🏷️ LIMITED TIME OFFER: GET 20% OFF GRADE+ YEARLY SUBSCRIPTION →
Log in
Prealgebra
6
answers
0
watching
58
views

1. An object is dropped from the top of a tower with a height of1200 feet. Neglecting air​ resistance, the height of the object attime t seconds is given by the polynomial -16t^2+1200. Find theheight of the object at t= 7 seconds

Watch
6
answers
0
watching
58
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Unlock all answers

Get 1 free homework help answer.
Get unlimited access
Already have an account? Log in
Share
Get unlimited access
Already have an account? Log in
Share
Get unlimited access
Already have an account? Log in
Share
Get unlimited access
Already have an account? Log in
Share
Get unlimited access
Already have an account? Log in
Share
Deanna Hettinger
Deanna HettingerLv2
31 Dec 2019
Get unlimited access
Already have an account? Log in
Share

Related questions

A waterfall has a height of 1500 feet. A pebble is thrown upwardfrom the top of the falls with an initial velocity of 20 feet persecond. The​ height, h, of the pebble after t seconds is given bythe equation h =−16t2+20t+1500. How long after the pebble is thrownwill it hit the​ ground?

Hii




The estimated cost of a Hershey Bar is given by the formula, C =(5/4)t + 10, where C (cost in cents) is in terms of t (number ofyears since 1970). (Remember: 1970 means
t = 0.) Assume the cost can change once at the beginning of theyear.

(1) 1. Should the points of the graph of thisequation be connected? Yes or No
(circle one)
(1) 2. The year 2000 means t = ______.

(2) 3. Using t = 0 and the t-value from #2, find theircorresponding C -values.
Then choose two other years between 1970 and 2000, determinetheir
t-values and find their corresponding C –values.

(0, _____ ), (_____,______), (_____,______),(_____,______)

Interpret the last ordered pair in the context ofthe problem situation.



(2) 4. Based on these ordered pairs, adjust the viewingrectangle to graph the years
from 1970 to 2000. Describe the viewing rectangle you used, makingsure the
vertical intercept is also clearly visible.
tmin = _____ tmax = _____ Cmin = _____ Cmax =_____

(4) 5. Draw a complete graph using the viewingrectangle from #4.
(See graphing activity 1 or graphing instructionsheet on how to draw a complete graph.)


Weekly leaderboard

Home
Homework Help 3,900,000
Prealgebra 2,000
Start filling in the gaps now
Log in