Mathematics, 08.12.2020 01:00 jasssp
Joanna has a total of 7 rolls of coins worth of $23. She has of dimes worth $5 each and roll of nickels worth $2 each. How many rolls of each kind does she have?
Answers: 2
Mathematics, 21.06.2019 19:00
The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?
Answers: 1
Mathematics, 21.06.2019 20:00
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0
Answers: 2
Joanna has a total of 7 rolls of coins worth of $23. She has of dimes worth $5 each and roll of nick...
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