The surface area of A is 500cmÂē The surface area of B is 2000cmÂē The length A is 6cm. Find the length of B
12cm
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15
Factorise
(11x+10)(x-3)
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15
A car travels at 50mph, correct to 1 significant figure. It covers a distance of 300 miles, correct to 2 significant figures. Calculate the least possible time taken.
5 and 4/11 hours
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15
Show that the expression is always a multiple of 4 for all positive integer values of n.
4(n+3)
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15
Find angle BAD.
131 degree
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lifesaver
Give 10 points!
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gift
Win 25 points!
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fairy
Take points!
5
10
15
20
25
banana
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15
Find angle ADC
94 degree
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monster
Reset all scores!
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magnet
Take 10 points!
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gift
Win 25 points!
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banana
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15
AB is the diameter. O is the centre. Find angle ABC
20 degrees
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15
Work out
128
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15
A ball is dropped from h metres. After each bounce the ball reaches 60% of its previous height. After its third bounce it reaches a height of 0.648m. Find h.
