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Mathematics, 20.06.2019 18:04
Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!
Answers: 1
Mathematics, 21.06.2019 19:30
Solve for x and y: 217x + 131y = 913; 131x + 217y = 827
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Mathematics, 21.06.2019 20:30
Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?
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Mathematics, 21.06.2019 22:00
If tan2a=cot(a+60), find the value of a, where 2a is an acute angle
Answers: 1
For what numbers, a, is -a negative?...
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