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Bogdan [553]
3 years ago
15

Jon and Lexi are playing a marble game. According to their rules, 4 points are awarded for each red marble collected and 3 point

s are awarded for each blue marble collected. Which expression represents Jon's total score if he has r red marbles and b blue marbles?
4r − 3b
2r − 3b
4r + 3b
7rb
Mathematics
2 answers:
natita [175]3 years ago
5 0

Answer:

4r+3b

Step-by-step explanation:

4 red awarded = 4r

3 blue awarded = 3b

Score = 4r + 3b

shusha [124]3 years ago
4 0

Answer:

i believe the answer is 4r - 3b

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Step-by-step explanation:

No. of red tulip bulbs = 14

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Now the bulb is not replaced

So, Total bulbs = 32-1 =31

No. of red tulip bulbs = 14-1 = 13

Probability of getting red bulb on second draw = \frac{13}{31}

So,Probability of getting both red bulbs without replacement = \frac{14}{32} \times \frac{13}{31}=0.183

Hence The probability the 2 randomly chosen bulbs selected are both red is 0.183

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