chemistry - thank you:)
What volume of H2SO4 0.04 M is required to completely neutralize 200 mL of Al(OH)3 0.02M?
CHEMISTRY HELP!!!
A silver ring is dropped in a solution of Pb(NO3)2 for a certain period. Will you find it intact? Explain.
chemistry
Can a solution of CrCl3 be stored in an aluminum container?
algebra 2
Students at a high school all took the same English test. The scores are approximately normally distributed with a mean of 77 and a standard deviation of 9. If 2500 students took the test, approximately how many scored above 86 or below 68%?
algebra 2
In a high school, 35% of the 3500 students participate in sports. The school board is proposing a participation fee to help with costs. To get student opinion, the school board randomly selects a committee of 6 students to join a discussion of the proposal. That is the probabi...
Albebra 2
A school wants to determine the average time it takes students to get to school. Every student coming off the bus is surveyed. What is the sampling method used? Does the sample have a bias?
algebra 2
In a cooler there are 8 bottles of grape juice and 12 bottles of orange juice. There are also 6 blueberry yogurts and 9 strawberry yogurts. If you grab a bottle of juice and a yogurt without looking, what is the probability that you get a grape juice and a blueberry yogurt?
algebra2
What are the mean, variance and standard deviation of these values? 62,41,54,60,49,58.
Algebra 2
A teacher is choosing 4 students from a class of 30 to represent the class at a science fair. In how many ways can the teacher choose the students?
Algebra 2
I keep coming up with 1 as the answer and thats not a choice?
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