Mathematics, 03.03.2021 18:30 lai16kk77
A coin is dropped in a 15.0 m deep well.
a)How long does it take the coin to hit the surface of the water?
b)How much time would it take to hear the splash after dropping the coin if the speed of sound is 340. m/s?
Answers: 1
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Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?
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Mathematics, 21.06.2019 18:00
Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)
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Mathematics, 21.06.2019 21:30
Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?
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Mathematics, 21.06.2019 23:00
72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.
Answers: 1
A coin is dropped in a 15.0 m deep well.
a)How long does it take the coin to hit the surface of the...
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