Answers by Tug Grall
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Answers by Tug Grall

Answers by Tug Grall
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20% of the students in the class play an instrument. If there are 35 students in class, how many play an instrument?
answered May 12, 2020
7 votes
52.4k views
Calculate the angle for the third-order maximum of 580-nm wavelength yellow light falling on a diffraction grating with 500 lines/mm.
answered Mar 27, 2020
1 vote
55.5k views
Which river is associated with the settlement of ancient Egypt? Question 7 options: Tigirs Nile Yellow Ganges
answered Jul 16, 2019
6 votes
78.8k views
What was the result of the Europeans search for the northwest passage
answered Jul 1, 2019
2 votes
143k views
Centrosome is the region of chromosome where two sister chromatids are connected. a. True b. False
answered Jun 10, 2019
2 votes
85.8k views
Which expedition was the first to be tasked with exploring the Red River in 1806? A. the Sparks expedition B. the Pike-Wilkinson expedition C. the Long-Bell expedition D. the Sibley expedition
answered Apr 30, 2019
5 votes
71.6k views
How many electrons will a calcium (ca) atom gain or lose in forming an ion?
answered Dec 19, 2018
1 vote
188k views
How do I answer this question
answered Nov 21, 2018
4 votes
195k views
Which of the following is an example of a chemical change? A. Breaking a plate B. Boiling water C. Baking bread D. Cutting hair
answered Apr 24, 2018
1 vote
89.5k views
____ los musulmanes a Espana en el siglo VIII, les fue bastante fácil ___ gran parte del país. a. En la epoca de, integrarse b. Al llegar, conquistar c. Anteriormente, ocupar d. Se asimilaron, gobernar
answered Mar 28, 2018
5 votes
114k views
The temperature at noon was 88 degrees. by the 4 pm the temperature was 72 degrees. Find the constant rate of change of the temperature.
answered Oct 14, 2017
2 votes
219k views
Strategy practice mike is 8 years older than Kyle is 6 years old. The sum of mikes, kyles, and Jamal's ages is 23. How many years old is Jamal?
answered Jul 6, 2017
2 votes
25.8k views
Natural selection and its evolutionary consequences provide a scientific explanation for (1) the fossil record of ancient life-forms (2) predictions about the rate of global warming (3) the amount of precipitation
answered Sep 14, 2016
4 votes
176k views
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