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Can 49 marbles be in equal piles? Why or why not?
answered
Jan 21, 2019
Mathematics
middle-school
3
votes
140k
views
What are lines call when they go around earth in a east-west direction
answered
Aug 3, 2018
Biology
college
1
vote
124k
views
Displacement vectors of 4km south, 2km north, 5km south, and 5km north combine. What is the total displacement?
answered
Jul 20, 2018
Physics
high-school
1
vote
183k
views
How can visualizing a sequence of events aid the reader?
answered
Jul 17, 2018
English
high-school
5
votes
69.5k
views
Why were the New Englanders against going to war with Britain? A) They feared the U.S. was not prepared for war. B) The British were providing weapons to the Native Americans. C) Britain had stopped the
answered
Jun 7, 2018
Social Studies
middle-school
3
votes
110k
views
Please help me! please answer all questions
answered
May 7, 2018
Mathematics
high-school
3
votes
43.9k
views
Craig grades 9 test every 22 minutes if craig has 63 tests to grade how long will it take him?
answered
Mar 10, 2018
Mathematics
high-school
3
votes
169k
views
Which is the most important question for deciding If a chemical Reaction has occurred?
answered
Jan 4, 2018
Biology
high-school
3
votes
9.5k
views
Scientists base many of their investigations on questions that test accepted theories. Which outcome of an investigation would cause a scientist to ask a different question?
answered
Jun 23, 2017
Biology
high-school
5
votes
115k
views
What will happen to vinegar in a few days
answered
Mar 17, 2017
Chemistry
middle-school
2
votes
130k
views
Most scientific questions are based on 1.) opinions. 2.) hypotheses. 3.) observations. 4.) experimental data.
answered
Mar 15, 2017
Biology
high-school
1
vote
231k
views
Given the following solutions:Solution A: pH of 10Solution B: pH of 7Solution C: pH of 5 Which list has the solutions placed in order of increasing H + concentration? (1) A, B, C (3) C, A, B(2) B, A, C
answered
Feb 23, 2017
Chemistry
high-school
4
votes
50.6k
views
All of the following are true of lead as an environmental hazard except? a. Paint in toys is an important potential source of lead exposure. b. The higher the blood lead levels the more severe the biological
answered
Jan 29, 2017
Mathematics
high-school
3
votes
158k
views
What does y and x equal for -2y+6y=6 -7x+8y=-5
answered
Dec 4, 2016
Mathematics
middle-school
6
votes
158k
views
An Advanced Placement World History region that can be classified as a cultural region is (A) South Asia. (B) North America. (C) Latin America. (D) Southeast Asia. (E) Central Asia.
answered
Nov 7, 2016
History
high-school
5
votes
26.0k
views
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