Mathematics, 10.02.2021 21:40 Amyjoe23
A train travels from City A to City B. The table below shows the distance and
the amount of time it takes on the train.
Distance (km)
6
12
24
Time (in minutes)
2
4
8
The train does not always go the same distance each minute.
The train appears to go the same distance each minute.
Predicted distance traveled in 9 minutes: 3 km
Answers: 1
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Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?
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Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done
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Mathematics, 21.06.2019 19:50, Roshaan8039
Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
Answers: 3
A train travels from City A to City B. The table below shows the distance and
the amount of time it...
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