Mathematics, 18.08.2019 11:30 xavierbanks802
Cos a = square root 21 divided by 5 and sin a = 2/5. what is the exact value of cos 2a?
Answers: 3
Mathematics, 21.06.2019 18:20
The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?
Answers: 1
Mathematics, 21.06.2019 19:30
Use multiples to write two fractions equivalent to 7/9. 14/18, 8/10 6/8, 21/27 10/12, 28/36 14/18, 21/27
Answers: 1
Mathematics, 21.06.2019 20:10
In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m
Answers: 1
Cos a = square root 21 divided by 5 and sin a = 2/5. what is the exact value of cos 2a?...
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