Daily Practice · Higher Plus

Daily Practice - Higher Plus

1st November 1994

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Velocity Time Graphs2 marks
A train slows steadily from 16 m/s to rest in 4 seconds. Work out its deceleration.
2
The Cosine Rule3 marks
A triangle has sides 16 cm, 12 cm and 8 cm. Work out the angle opposite the 16 cm side, to 1 decimal place.
3
Probability Equation Questions3 marks
A bag holds 7 red and n blue counters. The probability of taking a red is 7/9. Work out n.
4
Histograms3 marks
On a histogram the bar for 40 < x <= 50 has a frequency density of 0.4. How many values are in that class?
5
Surds3 marks
Expand and simplify (8 + sqrt(5))(8 - sqrt(5)).

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