Answers by James Van Dyke
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Answers by James Van Dyke

Answers by James Van Dyke
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What is the best way to check the reliability and validity of a resource?
answered May 10, 2019
4 votes
724 views
What best describes the expression y over 3? A: 3 more than some number B: Some number times 3 C: Some number divided by 3 D: 3 less than some number
answered Dec 10, 2018
3 votes
15.0k views
(-6-7)-(-19+33)-(-3-9)+(14-(-8)) What is the answer
answered Jul 12, 2018
5 votes
87.1k views
What is the name of the island where the Dominican Republic is located?
answered May 19, 2018
2 votes
64.6k views
Which of these statements about light microscopes and electron microscopes is NOT true? You can use light microscopes to observe both living and nonliving cells; you can use electron microscopes to observe
answered Mar 3, 2018
1 vote
62.5k views
Marco wants to investigate the chemical properties of sodium bicarbonate, or baking soda. He plans to carry out the tests below. Test 1: Mix a teaspoon of sodium bicarbonate into a cup of warm water to
answered Dec 24, 2017
0 votes
159k views
Which best explains US concerns regarding Chile during Nixon’s first term? The United States pressured Chile to discourage it from joining the space race. The Unites States pressured Chile’s Marxists out
answered Jun 17, 2017
5 votes
231k views
a metal worker has several 1-kilogram bars of a metal alloy that contains 23%copper and several 1-kilogram bars that contain 79% cooper. How many bars of each type of alloy should be melted and combined
answered Oct 10, 2016
4 votes
6.1k views
2. An optical fibre is 1200km long and it takes light 0.006s to travel from one end to the other. Calculate the speed of light in glass. 2. An optical fibre is 1200km long and it takes light 0.006s to
answered Jun 29, 2015
6 votes
31.0k views
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