Which is an equation of a circle with center at
(7,0) and radius 4?
A. x2 + (y 7)2 = 2...
Mathematics, 22.04.2021 04:00 chryssiem16
Which is an equation of a circle with center at
(7,0) and radius 4?
A. x2 + (y 7)2 = 2
B. (x 7)2 + y2 = 4
C. x2 + (y 7)2 = 8
D. (x 7)2 + y2 = 16
Answers: 3
Mathematics, 21.06.2019 16:40
Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4
Answers: 1
Mathematics, 21.06.2019 19:00
Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.
Answers: 1
Mathematics, 21.06.2019 23:00
Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain
Answers: 2
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