Daily Practice - Higher Plus

A train slows steadily from 35 m/s to rest in 10 seconds. Work out its deceleration.

A triangle has sides 2 cm, 6 cm and 6 cm. Work out the angle opposite the 2 cm side, to 1 decimal place.

A bag holds 2 red and n blue counters. The probability of taking a red is 2/5. Work out n.

On a histogram the bar for 40 < x ≤ 60 has a frequency density of 1.5. How many values are in that class?On a histogram the bar for 40 < x <= 60 has a frequency density of 1.5. How many values are in that class?

A block has mass 380 g (to the nearest 10 g) and volume 4 cm³ (to the nearest cm³). Work out the upper bound of its density, to 2 decimal places.A block has mass 380 g (to the nearest 10 g) and volume 4 cm^3 (to the nearest cm^3). Work out the upper bound of its density, to 2 decimal places.