Mathematics, 12.03.2021 15:00 leeorareeves299
Janice was given a piggy bank on her seventh birthday, and she put it to use immediately. Each time she puts one or more coins into the piggy bank, she keeps track of the number of coins she has collected to date and the accumulated value of her collection. Janice collects only nickels, dimes, and quarters. Six months after her seventh birthday, Janice looked at her record and ascertained that she had collected 540 coins, which were worth $66.
Required:
a. How many combinations of coins are possible in Janice's collection?
b. Janice counted 100 quarters in her savings. How many nickels and dimes are in her collection?
Answers: 3
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Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?
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Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
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Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)
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How many ordered pairs of positive integers satisfy xy=32?
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Janice was given a piggy bank on her seventh birthday, and she put it to use immediately. Each time...
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