Mathematics, 07.09.2020 02:01 quay39
Eram Figure A4
1. Exam Figure A4 gives the dimensions for the front exterior staps of the house. Given that each step is 9" high and 12" wide, how many cubic feet of concrete are necessary for
the steps?
Answers: 2
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What is the square root of 45? (step by step working plz)
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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 17:30
Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?
Answers: 1
Eram Figure A4
1. Exam Figure A4 gives the dimensions for the front exterior staps of the house. Gi...
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