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The height of a helicopter above the ground is given by h = 2.65t3, where h is in meters and t is in seconds. at t = 1.55 s, the helicopter releases a small mailbag. how long after its release does the
answered
Mar 23, 2019
Physics
high-school
1
vote
11.2k
views
A plot of land is in the shape of a square. The shaded square inside is covered with gravel. the rest of the square plot is covered in grass. its area is 1400 square feet. how long are the sides of the
answered
Mar 17, 2019
Mathematics
high-school
3
votes
159k
views
Explain how urban sprawl affects wildlife, runoff, and water pollution in an urban area
answered
Dec 21, 2018
Biology
high-school
6
votes
18.6k
views
Evaluate whether each example is an effective or ineffective research question. Choose the answer that best describes why or why not. Which Greek myth is the most important? What are the stories of Greek
answered
Nov 26, 2018
English
middle-school
6
votes
218k
views
What are some causes of the first world war
answered
Sep 5, 2018
History
high-school
7
votes
205k
views
Three people who work full-time are to work together on a project, but their total time on the project is to be equivalent to that of only one person working full-time. If one of the people is budgeted
answered
Jul 19, 2018
Mathematics
high-school
1
vote
175k
views
why do you need to think about polarity of the different ingredients in your salad dressing in order for it to turn out well?
answered
May 15, 2018
Chemistry
high-school
2
votes
146k
views
Which word best completes the sentence? I had lunch with John and _____ the other day. they them
answered
Jan 25, 2018
English
high-school
5
votes
171k
views
Does the free market system enhance or undermine security
answered
Jan 6, 2018
Advanced Placement
high-school
6
votes
74.1k
views
Use properties to find the sum or product 9 times 52
answered
Oct 14, 2017
Mathematics
middle-school
5
votes
104k
views
What is the value of the underline digit 72
answered
Jul 13, 2017
Mathematics
middle-school
6
votes
92.7k
views
The notation for the nuclide 13755Cs gives information about (1) mass number, only (2) atomic number. only(3) both mass number and atomic number(4) neither mass number nor atomic number
answered
Feb 18, 2017
Chemistry
high-school
3
votes
43.9k
views
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