Mathematics, 16.06.2020 23:57 KingD3474
Richard can mow the lawn three times as fast as Terri. Together, they finish mowing the lawn in 20 minutes. Which of the following equations would describe how many minutes it would take Richard to mow the lawn by himself? a. 1/x+1/3x=1/20 b. 1/x+1/3=1/20 c. 20 (1/x+1/3x)=1/20 d. x+3x=1
Answers: 1
Mathematics, 21.06.2019 14:00
After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(–3, 1), s'(–3, 5)b.r'(–1, 3), s'(–5, 3)c.r'(1, 3), s'(5, 3)d.r'(5, 3), s'(1, 3)
Answers: 2
Mathematics, 21.06.2019 23:00
Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.
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Mathematics, 21.06.2019 23:50
How are algebraic expressions evaluated using substitution?
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Richard can mow the lawn three times as fast as Terri. Together, they finish mowing the lawn in 20 m...
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