A gumball machine has 21 red gumballs, 24 yellow gumballs, and 15 blue gumballs. The gumballs are randomly mixed. What is the probability that the gumball machine dispenses 2 red gumballs in a row?

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total gumballs = 21 + 24 + 15

total gumballs = 60

no. of red gumballs = 21

twice into no. of red balls and total gumballs = 41/120

answer = 41/120

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depends on what order they were put in the machine

Step-by-step explanation:

13

step-by-step explanation:

169-1=168

168-3=165

165-5=160

160-7=153

153-9=144

144-11=133

133-13=120

120-15=105

105-17=88

88-19=69

69-21=48

48-23=25

25-25=0

since it took 13times to completely subtract it hence its square root is 13

3; 9 is 8 to -4

step-by-step explanation: