Find x. Type only the number.
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Answers: 3
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 18:00, thompsonmark0616
What is the value of x in the equation 2(x-4) = 4(2x + 1)?
Answers: 1
Mathematics, 21.06.2019 21:00, kitttimothy55
Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out
Answers: 2
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