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1. A ball is thrown into the air. The height in feet of the ball can be modeled by the equation h = -16t2 + 20t + 6 where t is the time in seconds, the ball is in the air. When will the ball hit the ground?
answered
Oct 20, 2018
Mathematics
high-school
2
votes
150k
views
According to avogadro's what is the mathematical expression denoting this relationship
answered
Sep 24, 2018
Mathematics
high-school
4
votes
136k
views
In a variation of the "forbidden toy" experiment by aronson and carlsmith (1963), another researcher issued mild and severe threats to prevent children from playing with a very attractive toy. several
answered
Sep 3, 2018
Social Studies
high-school
6
votes
60.4k
views
How antibiotics are able to target the bacteria cells but not the healthy cells within your body
answered
Jul 30, 2018
Biology
high-school
7
votes
95.9k
views
In which tissue system would you find root hairs and the epidermis? A. Vascular tissue B. Dermal tissue C. Apical meristem D. Ground tissue
answered
Apr 27, 2018
Biology
high-school
3
votes
51.2k
views
4. How were steam-powered ships different from sail boats? A. Steam boats could carry large cargoes. B. Steam boats could travel against the current on a river. C. Sail boats could carry large cargoes.
answered
Feb 26, 2018
History
college
3
votes
36.2k
views
Find the difference between theproduct of 26.22 and 3.09 and the sum of 3.507, 2.08, 11.5, and 16.712. A. 47.2208 B. 58.3108 C. 4.489 D. 6.511
answered
Sep 24, 2017
Mathematics
high-school
1
vote
115k
views
Ryan flips a coin 8 times and gets tails all 8 times. What is the experimental probability that Ryan will get heads the next time he flips the coin?
answered
Jun 29, 2017
Mathematics
college
5
votes
223k
views
Who invented the first telescope and discovered the 4 moon of Jupiter?
answered
May 9, 2017
History
high-school
7
votes
151k
views
Which statement is true? a. |–12| = –12 b. |–4| < 3 c. |–5| > 0 d. |–8| < |8|
answered
Nov 29, 2016
Mathematics
high-school
6
votes
53.6k
views
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