Mathematics, 03.04.2020 01:52 niellerodriguez1802
A bag contains n counters.
One counter is blue and the rest are red.
Two counters are taken at random from the bag.
a) Express, in terms of n, the probability that a counter of each colour is taken.
Give your answer as a fraction in its simplest form.
b) The probability that a counter of each colour is taken is 0.125 How many red counters are in the bag?
Answers: 1
Mathematics, 21.06.2019 20:20, shartman22
20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}
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Mathematics, 21.06.2019 23:30, haybaby312oxdjli
Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?
Answers: 1
A bag contains n counters.
One counter is blue and the rest are red.
Two cou...
One counter is blue and the rest are red.
Two cou...
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