Mathematics, 01.02.2021 04:40 kelseybieberrr19
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?
A. 3
B. 40
C. 80
D. 120
Answers: 3
Mathematics, 21.06.2019 15:20, alaina3792
Which equation represents a circle with a center at (–3, –5) and a radius of 6 units? (x – 3)2 + (y – 5)2 = 6 (x – 3)2 + (y – 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36
Answers: 3
Mathematics, 21.06.2019 17:00, JOEREACH
Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.
Answers: 1
A researcher is comparing the effectiveness of three
devices designed to help people who snore. The...
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