Algebra
(2x+5)(x-5)
2x2 -3x -35
m3 x m5
m8
simplify 30n by 12
15n by 6
What is the probability that you flip heads on a two sided coin.
50
Simplify the expression 4m+5+2m-1
6m + 4
Hcf of 75 and 90
15
2n/3 x 2/6
2n/9
Dexter charges players £1 to play and gives £3 to any winners. If 260 people play the game, how much profit would Dexter expect to make?
140
6178402769375821
617840276937582
Solve for 2y + 1 = 7
3
Lcm of 32 and 80
160
1/8 x 4/5g
1/10g
Rachel flips a biased coin. The probability that she gets two heads is 0.16. What is the probability that she gets two tails?
.36
25 x 23
28
if x - 4 =<6 what is the max value x can be?
10
150 as product of prime numbers
3 x 2 x 52
5d / 6 x 4 / 10
Alice has some red balls and some blue balls in a bag. Altogether she has 25 balls. Alice picks one ball from the bag. The probability that Alice picks a red ball is x and the probability that Alice picks a blue ball is 4x. Work out how many blue balls are in the bag.
20
92 X 985
987
(-7s+4)-(-8s+4)
s
Hcf of 140 and x is 20 Lcm of 140 and x is 420 find the value of x.
60
10x2 + 20x / 5x2 + 10x
4
A coin is tossed three times. Work out the probability of getting two heads and one tail.
3/8
94 X 96 - 92 X 84
98 -92 X 84