Answers by Bastian Ebeling
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Answers by Bastian Ebeling

Answers by Bastian Ebeling
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A study of one thousand teens found that the number of hours they spend on social networking sites each week is normally distributed with a mean of 20 hours. The population standard deviation is 2 hours.
answered Oct 12, 2019
3 votes
129k views
What is the first quartile of the data set? {51, 42, 46, 53, 66, 70, 90, 70} A-48.5 B-59.5 C-61 D-80
answered Sep 29, 2019
1 vote
157k views
Y=3x-5 6x+3y=15 solve for y
answered Apr 9, 2019
3 votes
17.6k views
What is the difference in temperature between February and may? A. 61 B.13 C.3 D.4
answered Mar 12, 2019
1 vote
208k views
If 3x−y=12, what is the value of 8^x/2^y? A) 212 B) 44 C) 82 D) The value cannot be determined from the information given.
answered Feb 18, 2019
5 votes
99.8k views
Air pollution comes from _____.
answered Aug 28, 2018
5 votes
193k views
Alan used 9 as an estimate for 3 7/10 + 5 4/10. He added and got 9 1/10 for the actual sum. Is his answer reasonable?
answered Jul 26, 2018
4 votes
179k views
What are the signs of "Depression"?
answered Jun 27, 2018
5 votes
13.4k views
Which of the following are characteristics of an economic union Common trade regulations Absence of national governments Free movement of capital and labor Prohibition on all external trade Free movement
answered May 22, 2018
2 votes
154k views
A ___________ makes databases more useful for obtaining information.
answered Apr 16, 2018
0 votes
31.4k views
Describe the kernel and range of (a) the orthogonal projection on the xz -plane (b) the orthogonal projection on the yz-plane (c) the orthogonal projection on the plane defined by the equation y=x ...?
answered Dec 15, 2017
4 votes
116k views
Write equation and Solve Kim bought a poster that cost $8.95 and some colored pencils. The total cost was $21.35 how much did the color pencils cost?
answered Jun 19, 2017
3 votes
148k views
to get a free meal at his favorite restaurant Tom needs to spend $50 or more at the restaurant he has already spent $30.25. How much more does tom need to spend to get his free meal?
answered May 13, 2017
0 votes
163k views
PLEASE HELP Find the length of PQ in circle R to the nearest hundredths F. 9.42m G. 4.71m H. 3.14m J. 1.57m
answered Mar 16, 2016
5 votes
76.9k views
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