What is this
{x+y=12
0.99x+1.15y=12.52...
Answers: 1
Mathematics, 20.06.2019 18:02
In two fractions have the same denominator but different numerators,which fraction is greater? give an example
Answers: 2
Mathematics, 21.06.2019 21:30
Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.
Answers: 2
Mathematics, 21.06.2019 23:00
If t8 = 4 and t12 = β2, find the first three terms of the arithmetic sequence.
Answers: 1
Mathematics, 21.06.2019 23:40
Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0
Answers: 1
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