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A known compound has a melting point range of 134-137 degrees. You record a melting point range of 125-126 degrees Celsius for a sample. Is this sample a pure compound?
answered
Feb 16, 2019
Chemistry
college
3
votes
139k
views
This question is from Apex: Algerba 1 Sem 2: 3.5.3 Quiz (PLEASE HELP! Thanks) Whats is the result of substituting for y in the bottom equation? y=x-3 y=x2+2x-4 (Answers:) A. x-3=x2+2x-4 B. y=(x-3)2+2(x-3)-4
answered
Feb 1, 2019
Mathematics
middle-school
4
votes
155k
views
How can humans decrease the rate of endangered or extinct species?
answered
Jan 22, 2019
Biology
middle-school
5
votes
17.2k
views
Transfer of ownership does not affect the continuity of business.
answered
Dec 20, 2018
Business
high-school
5
votes
158k
views
The pituitary gland is the bodys master gland true false
answered
Oct 24, 2018
Biology
high-school
5
votes
151k
views
Which expression is the same as 1/5 of 77?
answered
Aug 16, 2018
Mathematics
high-school
0
votes
73.8k
views
Why was the neolithic era the most important era for modern human civilization?
answered
May 5, 2018
History
high-school
6
votes
231k
views
The caste system of ancient India did which of the following
answered
Apr 21, 2018
History
high-school
1
vote
101k
views
The function h(t) = 210 – 15t models the altitude of a hot air balloon over time t, in minutes. Explain what h(10) means in the context of the real-world scenario, and how to find its value.
answered
Apr 12, 2018
Mathematics
college
4
votes
135k
views
How do you punchuate an outline
answered
Jul 23, 2017
English
middle-school
5
votes
187k
views
What primary advantage do objects have over pictures ?
answered
Jun 29, 2017
Advanced Placement (AP)
high-school
3
votes
72.2k
views
Which math expression represents the phrase? 8 times the difference of a number and 3 a. 8 · (n – 3) b. 8 · n – 3 c. 8 · (n ÷ 3) d. 8 · (n + 3)
answered
Oct 26, 2016
Mathematics
high-school
6
votes
157k
views
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