Mathematics, 01.05.2021 07:20 carapiasebas
If using the method of completing the square to solve the quadratic equation
x2 - 4x + 13 = 0, which number would have to be added to "complete the
square"?
Answers: 2
Mathematics, 21.06.2019 23:00
Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a
Answers: 3
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
Mathematics, 22.06.2019 02:20
There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean Β΅ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean Β΅ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (Β± 1)?
Answers: 1
Mathematics, 22.06.2019 02:30
If wxyz is a square, which statements must be true? plz < 3
Answers: 1
If using the method of completing the square to solve the quadratic equation
x2 - 4x + 13 = 0, whi...
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