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Find the arc length of the curve y = ln (cos x) for 0 < x < pi/4
answered
Oct 17, 2017
Mathematics
high-school
5
votes
75.0k
views
Which operation should be performed first according to the order of operations? 44 • 2 – [(5 + 20 • 3) – 12] + 16 ÷ 2 A. 44 • 2 B. 5 + 20 C. 20 • 3 D. 16 ÷ 2
answered
Jun 2, 2017
Mathematics
middle-school
2
votes
223k
views
Where would the water budget be balanced? a. toronto b. new york city c. paris d. canada
answered
May 28, 2017
Geography
high-school
4
votes
112k
views
Doris says 0 is not a rational number is she correct?
answered
Apr 19, 2017
Mathematics
high-school
0
votes
153k
views
An 80.0 g sample of iodine-131 was placed in a sealed vessel forty days ago. Only 2.5 g of this isotope is now left. What is its half-life?
answered
Aug 8, 2016
Chemistry
high-school
7
votes
87.9k
views
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