Mathematics, 29.10.2019 02:31 emileep13
The preschool class has 18 students in the 3 year old class. there are 3 full time teachers and 1 half time teacher for this group of children. what is the ratio of students per teacher rounded to the nearest whole number
Answers: 2
Mathematics, 21.06.2019 17:30
Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?
Answers: 2
Mathematics, 21.06.2019 19:00
What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.
Answers: 1
Mathematics, 22.06.2019 03:00
Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 โ c) = 4(9 + c) 9 + c = 4(9 โ c) 9 โ c = 2(9 + c) 4(9 โ c) = 2(9 + c)
Answers: 3
Mathematics, 22.06.2019 04:10
Random variables x poisson~ ( a) ,y poisson ~ ( a) . x and y are independent. if 2 1, 2 1. u =2x+ y-1, v=2x- y +1. find: ) cov (u ,v ).
Answers: 2
The preschool class has 18 students in the 3 year old class. there are 3 full time teachers and 1 ha...
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