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81x^2-72x+16 is a perfect square trinomial. TRUE OR FALSE ?
answered
Nov 7, 2018
Mathematics
high-school
1
vote
20.6k
views
What is a calorie What is a calorie
answered
Nov 2, 2018
Physics
middle-school
7
votes
60.8k
views
How to subtract fractions with unlike denominators khan academy?
answered
Sep 7, 2018
Mathematics
high-school
3
votes
116k
views
Does 6 feet and 12 inches equally to 1 yard and 4 ft yes or no
answered
Jun 8, 2018
Mathematics
college
5
votes
89.0k
views
What are the main greenhouse gases?
answered
May 3, 2018
Biology
high-school
7
votes
771
views
In the decision of ____, the Supreme Court was established as an independent, coequal branch of government in the United States. A. Marbury v. Madison B. Miranda v. Arizona C. Marshall v. Tucker D. Gideon
answered
Apr 28, 2018
History
college
2
votes
4.0k
views
if ________ did not exist, a person could spend an indefinite period of time in jail waiting for their case to go to trial. (a)bill of attainder (b)habeas corpus (c)ex post facto
answered
Mar 18, 2017
Social Studies
high-school
5
votes
159k
views
Johannes Kepler is best known for his work on planetary motion. a. True b. False
answered
Jan 17, 2017
Physics
high-school
1
vote
33.4k
views
Complete the following Empirical Formula & Molecular Formula problem: 1.) A compound containing 63.15% C, 5.30% H, and 31.55% O. (Assume 100 g sample)
answered
Jul 28, 2016
Chemistry
high-school
2
votes
214k
views
A bookcase has a base of 1 m long and 0.5 m wide. It has a mass of 300kg. Find the pressure it exerts on the floor in kPa.
answered
Jul 9, 2015
Physics
middle-school
2
votes
162k
views
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