Mathematics, 23.07.2019 09:30 supermkimbrel
Cheryl and four of her friends went hiking on saturday. they hiked a total of 6 miles in four hours. what is the average speed that they hiked?
Answers: 1
Mathematics, 21.06.2019 18:30
Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90Ā° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that Ī“ and Ī“ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?
Answers: 2
Mathematics, 22.06.2019 00:30
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
Answers: 2
Mathematics, 22.06.2019 02:00
Taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor with some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)= 2x+1 g(x)= 2x^2+1
Answers: 2
Cheryl and four of her friends went hiking on saturday. they hiked a total of 6 miles in four hours....
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