Mathematics, 03.04.2021 18:50 nbnb8831
The angle of elevation of an unfinished tower from a point of 120m away from its base is 25 degrees. How much higher will the tower need to be raised so that its angle of elevation from the same point will be 40 degrees?
Answers: 2
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What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m
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How to solve a simultaneous equation involved with fractions?
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Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).
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Mathematics, 21.06.2019 22:00, Jasten
Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.
Answers: 1
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