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Mathematics, 13.12.2021 19:30, clonetrooper099
Car A and car B take part in a race around a circular track.
One lap of the track measures 7.6 km.
Car A takes 2 minutes and 40 seconds to complete each lap of the track.
Car B takes 2 minutes and 25 seconds to complete each lap of the track.
Both cars travel at a constant speed.
(a) Calculate the speed of car A.
Give your answer in kilometres per hour.
km/h [3]
(b) Both cars start the race from the same position, S, at the same time.
(i) Find the time taken when both car A and car B are next at position S at the same time.
Give your answer in minutes and seconds.
I
min
s [4]
(ii) Find the distance that car A has travelled at this time.
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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Mathematics, 21.06.2019 19:00, michellectucker1982
What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )
Answers: 1
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Car A and car B take part in a race around a circular track.
One lap of the track measures 7.6 km....
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