Mathematics, 28.10.2020 21:20 jgpjessi1854
10) Sarah is 3 years older than her sister Mary. Together their ages add up to 23. How old is Mary?
Answers: 1
Mathematics, 21.06.2019 20:30
When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.
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Mathematics, 21.06.2019 22:30
Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?
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Mathematics, 21.06.2019 23:00
Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.
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10) Sarah is 3 years older than her sister Mary.
Together their ages add up to 23. How old is Mary?...