Answers: 3
Mathematics, 21.06.2019 17:30
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
Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?
Answers: 1
Mathematics, 21.06.2019 18:00
The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?
Answers: 1
Mathematics, 21.06.2019 22:00
You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?
Answers: 3
What is X+7+1/3x=3/2x-2...
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