Mathematics, 16.12.2021 05:30 kaitlyn114433
A researcher is comparing the effectiveness of three devices designed to help people who snore. There are 120 people who snore participating in the experiment. Using a table of random digits, the researcher will randomly place the participants into three equally sized treatment groups suitable for comparison.
How many unique random numbers need to be selected from the table of random digits?
3
40
80
120
Answers: 3
Mathematics, 21.06.2019 13:00
Dee used 2 1/3 cups of sugar for a cake recipe. if the amount of sugar the container holds is 3 times the amount she used, does the container hold more than, less than, or equal to 3 cups of sugar? explain.
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Mathematics, 21.06.2019 15:40
Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathanâs solution? jonathanâs answer is reasonable because there are two decimal places in the factors and two in the product. jonathanâs answer is unreasonable because there are three decimal places in the factors and two in the product. jonathanâs answer is reasonable because is 16, and 16 is close to 15.77. jonathanâs answer is unreasonable because is 8, and 8 is not very close to 15.77.
Answers: 1
Mathematics, 21.06.2019 16:30
Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?
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Mathematics, 21.06.2019 20:00
Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11
Answers: 2
A researcher is comparing the effectiveness of three devices designed to help people who snore. Ther...
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