Mathematics, 18.11.2020 19:30 twrxght6643
In Mrs. Hu’s classroom, 4/5 of the students have a dog as a pet. Of the students who have a dog as a pet, 2/3 also have a cat as a pet. If there are 45 students in her class, how many have both a dog and a cat as pets?
Answers: 3
Mathematics, 21.06.2019 17:00
Find an equation for the linear function which has slope -10 and x-intercept -7
Answers: 1
Mathematics, 21.06.2019 17:20
Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?
Answers: 2
Mathematics, 21.06.2019 18:50
7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?
Answers: 3
In Mrs. Hu’s classroom, 4/5 of the students have a dog as a pet. Of the students who have a dog as a...
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