Mathematics, 26.10.2019 00:43 glizbethh00
Twenty-nine percent of americans say they are confident that passenger trips to the moon will occur in their lifetime. you randomly sample 200 americans and ask if they believe passenger trips to the moon will occur in their lifetime. what is the probability that less than 40% of the people sampled will answer yes to the question?
Answers: 2
Mathematics, 21.06.2019 19:00
The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)
Answers: 1
Mathematics, 21.06.2019 19:30
Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?
Answers: 2
Mathematics, 21.06.2019 23:50
If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?
Answers: 1
Mathematics, 21.06.2019 23:50
Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.
Answers: 3
Twenty-nine percent of americans say they are confident that passenger trips to the moon will occur...
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