Mathematics, 06.11.2020 03:10, oof78

I need help with this test I’m online school and my teacher sucks at teaching plz help!!

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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)

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Mathematics, 21.06.2019 18:40, miguel3maroghi

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

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Mathematics, 21.06.2019 20:50, elstone01

Type the correct answer in each box, round your answers to the nearest integer 20 25 30 in the figure, the perimeter of hexagon abcdef is approximately w units, and its area is square units

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Mathematics, 22.06.2019 06:50, Fireburntbudder

What is the equation of a line, in general form, that passes through point (1, -2) and has a slope of 1/3 3x - y - 7 = 0 x - 3y + 7 = 0 x - 3y - 7 = 0

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I need help with this test I’m online school and my teacher sucks at teaching plz help!!
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