Mathematics, 12.03.2021 04:10 yurlgurllmay
This chemical equation represents a chemical equation.
2HNO3 + Na2SO3 → 2NaNO3 + H2O + SO2
Which chemical is a reactant in the reaction?
Answers: 1
Mathematics, 21.06.2019 15:00, lm18618
Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.
Answers: 2
Mathematics, 21.06.2019 20:20, oscarmasinde44
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
Mathematics, 21.06.2019 22:30, muziqbox594
What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?
Answers: 1
Mathematics, 21.06.2019 23:00, snot1766p5flsr
Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship
Answers: 3
This chemical equation represents a chemical equation.
2HNO3 + Na2SO3 → 2NaNO3 + H2O + SO2
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