Marisa has 2 pennies, 4 nickels, and 5 dimes in her pocket. How many different arrangements are possible if she removes one coin at a time from her pocket?
2 answers:
-2 pennies, 4 nickels, 4 dimes
Oh gawd these are the most annoying questions lol you could use a probability tree diagram to find the answer by starting first by finding the probability of choosing a penny then a nick then a dime and so on.. gl ... i dont think exams would test this xD
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Let d be the number of days and h be the height
h = 13 + 0.6d
Answer: (a) h = 13 + 0.6d
Given height = 0.208m, find d:
0.208m = 20.8 cm
20.8 = 13 + 0.6d
0.6d = 20.8 - 13 = 7.8
d = 7.8 ÷ 0.6 = 13
Answer: (b) 13 days
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