Can someone me with these 4 questions
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Answers: 1
Mathematics, 21.06.2019 17:30, meganenaranjo
If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)
Answers: 1
Mathematics, 21.06.2019 20:00, martinezjulio1976
Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39
Answers: 1
Mathematics, 21.06.2019 20:00, brittanybyers122
Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily
Answers: 2
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