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Answers by Koffy

Answers by Koffy
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A researcher takes a simple random sample of 83 homes in a city and finds that the mean square footage is 1628 with a standard deviation of 243 square feet. What is the 90% confidence interval for the
answered May 27, 2020
6 votes
115k views
What is the algebraic expression for "the difference between seven times a number and three times that number"?
answered Mar 8, 2020
2 votes
147k views
20 POINTS PLEASE HELP Do you see a pattern? Do you think this will always be true? Why or why not?
answered Oct 18, 2019
7 votes
63.7k views
PLEASE HELP ME BREAK DOWN THIS QUESTION! What tools and technology make you a more productive student?
answered Jul 22, 2019
4 votes
165k views
What is 245.168 rounded to the nearest hundred
answered Mar 12, 2019
1 vote
85.2k views
What is the value of n in the equation 1/2(n – 4) – 3 = 3 – (2n + 3)? n =
answered Mar 9, 2019
7 votes
173k views
_____________ forces are always attractive and the mass of an object determines how strong the ____________ pull is. A: Friction B: Gravitational C: Direct D: Net
answered Feb 25, 2019
4 votes
48.1k views
A number minus 11 is 12
answered Nov 4, 2018
2 votes
55.4k views
In which of the following sentences does the writer use the word whisper for a figurative effect instead of a literal one? A. She leaned over and said with a whisper, "I can't believe we made it!" B. The
answered Oct 7, 2018
2 votes
208k views
the student council wants to rent a ballroom for the junior prom. the ballrooms rental rate $1500 for 3 h and $125 for each additional half hour. suppose the student council raises $2125. What is the maximum
answered Oct 4, 2018
1 vote
179k views
What is the measure of the angle that complements a 30° angle? 30° 60° 75° 90°
answered Sep 9, 2018
2 votes
94.8k views
Which of the following statements is a prediction? A. Aggressive chimpanzees should be monitored during meal times or fed separately from other chimpanzees. B. Chimpanzees will behave aggressively when
answered Jun 2, 2018
3 votes
18.2k views
What is the slope-intercept form of the equation of the line shown in the graph?  A. y = 3/4x + 3 B. y = x C. y = 4/3x – 4 D. y = −4/3x + 4
answered May 18, 2018
4 votes
210k views
is there DNA in your food? How do you know? Why are you not harmed by ingesting the DNA of another organism?
answered Nov 27, 2017
1 vote
159k views
What is one reason historians can rely on government records for accurate historical information?
answered Jan 17, 2017
2 votes
156k views
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