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A group of friends are hiking on trail Y when they reach an intersection with trial X. Trail X is perpendicular to train Y. If trail Y has a slope of 1/2, which of the following statements are true? A)
answered
Jun 29, 2018
Mathematics
high-school
6
votes
101k
views
Please Help! Which equation represents a proportional relationship? y/2 = x + 2/3 y = 3x xy = 2 y= −3x + 2
answered
May 12, 2018
Mathematics
middle-school
3
votes
105k
views
Which sentence correctly describes the position of electrons within an atom? A. Electrons exist outside the nucleus in indistinct electron clouds B. electrons orbit the nucleus in distinct circular paths
answered
May 10, 2018
Chemistry
high-school
5
votes
70.8k
views
A carpenter is building a staircase from the first floor to the second floor of a house. The distance between floors is 3.3m. Each step rises 22cm. Not counting either floor itself, how many steps will
answered
Feb 14, 2018
Mathematics
middle-school
3
votes
41.0k
views
Which of these is a unique property of acids? A conducts electricity in solution B tastes sour C feels slippery D contains a carbon If a solution feels slippery and has a pH of 12, what is the solution?
answered
Sep 18, 2017
Biology
high-school
4
votes
97.3k
views
Weatherstripping prevents heat loss by a. lessening evaporation. b. reducing convection and conduction. c. preventing condensation. d. increasing radiation. ...?
answered
Aug 19, 2017
Physics
high-school
1
vote
168k
views
What's the simplified form of 2x + 3 - x + 5? a. 3x + 8 b. x - 8 c. x - 2 d. x + 8
answered
Jan 27, 2017
Mathematics
high-school
2
votes
159k
views
Lactic acid fermentation occurs in any environment where oxygen is present yeast cells the mitochondria of plant cells muscle cells
answered
Jan 16, 2017
Biology
high-school
2
votes
131k
views
Pol Pot, the Khmer Rouge, the “killing fields,” and Year Zero are all associated with a violent period in which country? (1) Vietnam (3) China (2) Cambodia (4) Korea
answered
Mar 5, 2016
History
high-school
3
votes
4.3k
views
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