Mathematics, 12.06.2020 06:57 cutie22327
Which of the following best describes the directrix of a parabola?
A. A single line that is the same distance from the parabola as the
focus is from the parabola
B. A single line that is half the distance from the parabola as the
focus is from the parabola
C. A single fixed point that is half the distance from the parabola as
the focus is from the parabola
D. A single fixed point that is the same distance from the parabola as
the focus is from the parabola
Answers: 3
Mathematics, 21.06.2019 12:30
And explain how you got it so i can understand future problems : 3
Answers: 1
Mathematics, 21.06.2019 21:50
Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?
Answers: 1
Mathematics, 21.06.2019 22:00
Which two undefined geometric terms always describe figures with no beginning or end?
Answers: 3
Which of the following best describes the directrix of a parabola?
A. A single line that is the sam...
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