Mathematics, 02.10.2019 16:10, winterblackburn78
Josie took a long multiple-choice, end-of-year vocabulary test. the ratio of the number of problems josie got incorrect to the number of problems she got correct is 2: 9.
a. if josie missed 8 questions, how many did she get correct? draw a tape diagram to demonstrate how you found the answer.
b. if josie missed 20 questions, how many did she get correct? draw a tape diagram to demonstrate how you found the answer.
c. what ratios can we say are equivalent to 2: 9?
d. come up with another possible ratio of the number josie got incorrect to the number she got correct.
e. how did you find the numbers?
f. describe how to create equivalent ratios.
Answers: 3
Mathematics, 21.06.2019 17:30, bradleycawley02
Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so, about which interval is it approximately symmetric?
Answers: 3
Mathematics, 21.06.2019 20:30, kuddlebugsmommy
Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.
Answers: 1
Mathematics, 21.06.2019 21:00, ambermcneil3839
Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?
Answers: 3
Josie took a long multiple-choice, end-of-year vocabulary test. the ratio of the number of problems...
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