Mark and Lea are selling wrapping paper for a school fundraiser. Customers can buy rolls of
pla...
Mathematics, 13.02.2020 04:49 ninigilford
Mark and Lea are selling wrapping paper for a school fundraiser. Customers can buy rolls of
plain wrapping paper and rolls of shiny wrapping paper. Mark sold 9 rolls of plain wrapping
paper and 9 rolls of shiny wrapping paper for a total of $117. Lea sold 7 rolls of plain wrapping
paper and 8 rolls of shiny wrapping paper for a total of $99. What is the cost each of one roll of
plain wrapping paper and one roll of shiny wrapping paper?
11
Answers: 2
Mathematics, 21.06.2019 22:00
The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample
Answers: 1
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The angles in a triangle are represented by 5x, 8x, and 2x+9. what is the value of ? a.10.8 b.11.4 c.9.7 d.7.2
Answers: 2
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Macy spent $36 on jeans. this was $12 less than twice what she spent on a shirt. which equation to solve this, 12x=36 2x=36-12 2x-12=36 12-2x=36
Answers: 1
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