Please help, thank you!
...
Answers: 1
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 21:00
Which line is parallel to the line that passes through the points (2, –5) and (–4, 1) a. y=-x+5 b. y=-2/3x+3 c. y=2/3x-2 d. y=x+5
Answers: 2
Mathematics, 21.06.2019 22:00
Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?
Answers: 2
Mathematics, 13.10.2020 22:01
Mathematics, 13.10.2020 22:01
English, 13.10.2020 22:01
Mathematics, 13.10.2020 22:01
Mathematics, 13.10.2020 22:01
Spanish, 13.10.2020 22:01
Geography, 13.10.2020 22:01
Medicine, 13.10.2020 22:01
History, 13.10.2020 22:01
Physics, 13.10.2020 22:01
Chemistry, 13.10.2020 22:01
Health, 13.10.2020 22:01