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Tracy is running a trail and Hannah Park. She can run 1 mile in 10 minutes. Joni is running the same trail as Tracy. Joni can run a mile in five minutes but starts running 20 minutes after Tracy started
answered
Sep 15, 2018
Mathematics
middle-school
1
vote
233k
views
Which of the following polynomials has zeros at x = –4 and x = 7? 4x 2 - 7x - 11 4x 2 - 49 7x 2 - 4x + 28 x 2 - 3x - 28
answered
Jul 22, 2018
Mathematics
high-school
5
votes
199k
views
Gelatin has a density of 1.27 g/cm³. If you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? A. 2540 g B. 2500 g C. 3.9 x 10-4 D. 3.937x 10-4
answered
Jun 15, 2018
Chemistry
high-school
3
votes
68.0k
views
If the mass of 1 mole of chlorine atoms is 35.5g, calculate the mass of 6.0 moles of chlorine atoms.
answered
Mar 12, 2018
Chemistry
middle-school
3
votes
40.7k
views
7. Which geographic factor most helped Ming China strictly limit trade with Europeans? (1 point) The Chinese coast had few safe harbors for European trade. The main Chinese trading regions were located far inland.
answered
Nov 28, 2017
History
high-school
6
votes
230k
views
The price of an item yesterday was 110. Today the price fell to 33 find the percentage decrease
answered
Sep 24, 2017
Mathematics
high-school
4
votes
1.1k
views
Which of the following is a promise advertisers cannot make promoting their fitness product? A. “You can improve your cardio with our three days per week dance lessons.” B. “You can strengthen your core
answered
Jul 3, 2017
Health
high-school
4
votes
59.5k
views
Why were US workers against the ratification of the North American Free Trade Agreement (NAFTA) in 1992? They worried about losing jobs to developing countries where workers could be paid less. They were
answered
Apr 30, 2017
History
high-school
5
votes
74.0k
views
How does Josie change over the course of the story? Use text evidence to support your answer.
answered
Apr 11, 2017
English
middle-school
5
votes
61.3k
views
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