Answers by Alexandre Ribeiro
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Answers by Alexandre Ribeiro

Answers by Alexandre Ribeiro
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what can you hold in your left hand and not in your right? its a riddles yall!!!!​
answered Aug 3, 2021
5 votes
103k views
What is the positive solution to the equation 0 = –x2 + 2x + 1? Quadratic formula: x = StartFraction negative b plus or minus StartRoot b squared minus 4 a c EndRoot Over 2 a EndFraction –2 + StartRoot
answered Jul 4, 2021
4 votes
57.6k views
The radius of a circle is three units. What is the diameter of the circle?
answered Jun 12, 2021
5 votes
124k views
In which era of American history is or was in cultural communication not necessary
answered May 25, 2021
3 votes
111k views
A class has girls and boys in the ratio 4:5 .Among the girls, the ratio of mathematics and physics student in the entire class is 3:2 . what percentage of class comprises girls studying mathematics?​
answered May 6, 2021
1 vote
94.0k views
What type of energy results from the position of an object? A. Chemical Energy B. Electrical Energy C. Nuclear Energy D. Potential Energy
answered Apr 19, 2021
1 vote
46.8k views
Factor out the common terms 2x+4y
answered Feb 19, 2021
0 votes
77.9k views
Find the value of x. Round your answer to the nearest tenth.
answered Oct 7, 2020
3 votes
127k views
Plz answer correctly....The concentration of either the H+ ion or the OH − ion is given for four aqueous solutions at 298 K.? For each solution, calculate [H+] or [OH − ]. State whether the solution is
answered Oct 3, 2020
4 votes
136k views
Match the graph with the correct equation.
answered May 26, 2020
2 votes
7.4k views
Factor the expression shown below completely. 18x^2 -60x +50
answered Jul 29, 2019
1 vote
183k views
Why do most people in the United States today consider themselves to be part of the middle class?
answered Jul 17, 2019
5 votes
229k views
15 POINTS!!! HELP PLZ!!! The manager of a large chain of stores wants to know if her employees would be in favor of opening the store one hour earlier in the morning. Which sampling method will most likely
answered Mar 28, 2019
7 votes
82.7k views
For her first semester in college, Robin decided to take courses in Journalism, Biology, and ______. [L.9-10.2.c] A. algebra B. English C. anthropology D. botany
answered Aug 12, 2018
5 votes
48.2k views
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