Mathematics, 25.07.2019 18:00, mohammadhosseinkarim
Adance studio has 40 nine-year-old children sign-up for ballet class. the studio owner decides to divide the children into two nine-year-old ballet classes: class alpha and class beta. if the studio owner wants each child to have a fair chance of being placed in either class, which of the following describes a method that cannot be used to the studio owner place the children? a. using a random number generator, assign each child a number, eliminating any duplicate numbers. assign each child with an even number to class alpha, and assign each child with an odd number to class beta. b. using a random number generator, assign each child a number, eliminating any duplicate numbers. after each child is assigned a number, list the assigned numbers in ascending order. assign the children with the first 20 numbers on the ascending list to class alpha, and assign the children with the last 20 numbers on the ascending list to class beta. c. randomly select a chip from a bucket containing 40 chips, which are each uniquely labeled with a child's name. assign each child whose name is labeled on the first 20 chips drawn in class alpha, and assign the remaining 20 children to class beta. d. all methods can be used to the studio owner make a fair decision.
Answers: 2
Mathematics, 21.06.2019 19:30, sb6998
Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size. it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?
Answers: 1
Mathematics, 21.06.2019 20:00, Jenifermorales101
It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k
Answers: 2
Mathematics, 21.06.2019 20:00, brevenb375
What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.
Answers: 1
Adance studio has 40 nine-year-old children sign-up for ballet class. the studio owner decides to di...
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