The graph below describes the journey of a bus between two stops.
81
a) Work out the
ac...
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Mathematics, 26.02.2021 15:20 caplode7497
The graph below describes the journey of a bus between two stops.
81
a) Work out the
acceleration, in m/s2,
in the first 20 s.
6
Velocity (in m/s)
4
20
40
b) Work out the distance 2
between the two stops.
0
0
c) Work out the average
speed of the bus during
the journey
Give your answer to 1 d. p.
60 80 100 120 140 160 180
Time (t in seconds)
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Mathematics, 21.06.2019 19:30
Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)
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