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Which transformation will always map a parallelogram onto itself? O A. a 90° rotation about its center a reflection across one of its diagonals OB. O c. a 180° rotation about its center OD. a reflection
answered
May 24, 2020
Mathematics
middle-school
3
votes
165k
views
use the rational zeros theorem to write a list of all potential rational zeros of the function f(x)=3x^2 +39x^2+39x +27
answered
Dec 1, 2019
Mathematics
middle-school
3
votes
15.4k
views
The Americans with Disabilities Act of 1990 aimed to normalize people with disabilities by requiring employers to provide them access to public and work spaces. establishing the Columbia Institution for
answered
Jun 14, 2019
History
middle-school
2
votes
28.6k
views
One faucet fills up a bathtub in 15 minutes while the second fills it up in 10 minutes. If both faucets are turned on, what fraction of the bathtub will be filled in 2 minutes?
answered
Mar 25, 2019
Mathematics
high-school
4
votes
176k
views
What can we as a human race do to prevent the overuse of nonrenewable resources?
answered
Nov 24, 2018
Biology
high-school
3
votes
200k
views
Choose all that apply. The two events that helped bring about the Renaissance were: the Hundred Years’ War the Crusades the Reformation the printing press
answered
May 21, 2018
History
middle-school
4
votes
150k
views
Which pair of angles are vertical angles? WRU and SRT WRS and VRT VRU and TRS VRT and SRT
answered
Apr 27, 2018
English
high-school
0
votes
28.6k
views
100 POINTS I NEED HELP SO BAD AND IM FALLING BEHIND! PLEASE HELP ME!! :((( True or False: A fertilized cell divides many times to form an embryo True or False: Human reproduction requires two reproductive
answered
Mar 17, 2018
Health
high-school
5
votes
159k
views
The sum of the interior angles, s, in an n-sided polygon can be determined using the formula s = 180(n – 2), where n is the number of sides. Benita solves this equation for n and writes the equivalent
answered
Apr 28, 2017
Mathematics
high-school
3
votes
193k
views
Which energy level requires the most energy to remove an electron? A- the shell containing valence electrons B-the next to outermost shell C- the innermost shell D- none of the sbove
answered
Apr 23, 2017
Chemistry
high-school
6
votes
53.4k
views
The product of a 3 and –2a2 15a 6 is –2a3 xa2 51a 18. What is the value of x?
answered
Apr 16, 2017
Mathematics
high-school
3
votes
172k
views
Which of the following characteristics was true of native-born Protestants? They opposed the 100% Americanism movement. They were the largest participants in the Great Migration. They emigrated to southern
answered
Mar 26, 2017
History
high-school
4
votes
156k
views
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