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Answers by Optio

Answers by Optio
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Cellular phones use _____? A) radar waves B) very high-frequency waves C) very low-frequency waves D) microwaves
answered May 23, 2019
2 votes
68.3k views
Question 2 (Matching Worth 10 points) (08.05 LC) Match Term Definition Triangle A) perpendicular cross section of a cylinder Rectangle B) perpendicular cross section of a pyramid Circle C) shape created
answered Apr 13, 2019
4 votes
78.2k views
What is the general form of the equation for the given circle? A (4, 7) B (7,4) 1.x2 + y2 − 8x − 8y + 23 = 0 2.x2 + y2 − 8x − 8y + 32 = 0 3.x2 + y2 − 4x − 4y + 23 = 0 4.x2 + y2 + 4x + 4y + 9 = 0
answered Apr 2, 2019
4 votes
32.6k views
H2, N2, O2 molecules: must be polar/ must be nonpolar/ can be polar or nonpolar depending on geometric configuration/ indeterminate. please help immediately
answered Feb 1, 2019
3 votes
138k views
Is 75.082106... A rational or irrational number
answered Dec 18, 2018
0 votes
154k views
What advances in learning did the Egyptians make.
answered Dec 2, 2018
2 votes
212k views
How much would 200 invested at 5 invested compounded continuously be worth after 9 years
answered Aug 22, 2018
3 votes
201k views
Someone plzzzzzzzzzzzzzz helppppppp meeee
answered Jul 29, 2018
4 votes
225k views
Describe how higher elevations affect the climate of an area
answered May 19, 2017
2 votes
232k views
Moderate injuries are generally __________. A. life-threatening B. soft tissue injuries C. bumps and bruises D. too serious for first aid
answered Apr 8, 2017
2 votes
211k views
How did powerful families such as the Medici and the Sforza help spread Renaissance ideas?
answered Feb 24, 2017
5 votes
110k views
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