Mathematics, 01.04.2021 22:00 lizzy6629
A train is 1000 meters long. It is travelling at a constant speed, and approaches a tunnel that is 3000 meters long. From the time that the last car on the train has completely entered the tunnel until the time when the front of the train emerges from the other end, 30 seconds pass. Determine the speed of the train, in kilometres per hour.
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Mathematics, 21.06.2019 19:30
If chord ab is congruent to chord cd, then what must be true about ef and eg?
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Mathematics, 21.06.2019 20:00
The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212
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Mathematics, 21.06.2019 22:00
The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities
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Mathematics, 21.06.2019 23:00
Find the dimensions of the circle. area = 64π in.² r= in.
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A train is 1000 meters long. It is travelling at a constant speed, and approaches a tunnel that is 3...
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