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Answers by Jjack

Answers by Jjack
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Is it possible for a linear system to have a unique solution if it has more equations than variables? If yes, give an example. If no, justify why it is impossible.
answered Oct 10, 2020
5 votes
5.2k views
You have lunch at an Italian restaurant. The cost of lunch before tax is $12.50. The sales tax rate is 7%. You leave a 20% tip on the pre-tax amount. What is the total amount you spend on lunch, including
answered Jun 17, 2020
3 votes
67.5k views
Name one example of a phenotypic trait. For example: blue eyes
answered Jun 4, 2020
1 vote
230k views
Know the parts of an animal cell and rheir function​
answered May 4, 2020
6 votes
217k views
Andrew estimated the weight of his dog to be 60 lb. The dog’s actual weight was 68 lb. What was the percent error in Andrew’s estimate? Round your answer to the nearest tenth of a percent. %
answered Jan 30, 2020
4 votes
170k views
Graph the equation. y = −16x − 6
answered Jan 15, 2020
4 votes
217k views
Dorothy has spent all her money on drugs. She is looking for more money to support her habit. Which action could Dorothy take that would get her in trouble with the law?
answered Aug 11, 2019
5 votes
205k views
More points answer all questions
answered Jun 22, 2019
3 votes
124k views
Members of a small group are having a difficult time unerstanding eachothers viewpoints. Which group roll most needs to be fufilled to correct this problem?
answered May 16, 2019
7 votes
210k views
Based on the graph below, what is the solution of the equation f(x) = g(x)? graph of function f of x equals negative x plus 0.5 and graph of function g of x equals x squared plus 3 multiplied by x minus
answered Jan 18, 2019
4 votes
201k views
1.) The action in a drama is usually driven by characters who want something and take steps to get it. True False 2.) A drama writer tells his or her story primarily through narration. True False 3.) Playwrights
answered Dec 30, 2018
2 votes
23.9k views
Equipment that cost $420,000 and on which $200,000 of accumulated depreciation has been recorded was disposed of for $180,000 cash. the entry to record this event would include a
answered Aug 28, 2018
3 votes
47.7k views
Central to __________ prevention is the early identification of drug problems.
answered Jul 12, 2018
2 votes
231k views
A recent poll of 380 randomly selected Americans showed that 24% ( = 0.24) are happy with their cell phone carriers. The country’s largest cell phone carrier would like to know, within a 90% confidence
answered Jun 28, 2018
4 votes
75.7k views
−1.5(4−n)+2.8 simplified is
answered Nov 10, 2017
3 votes
17.0k views
In the trivia bowl each finalist must answer four questions correctly. Each question is worth twice as much as the question before it. The fourth question is worth $6000. How much is the first question
answered Jul 27, 2017
2 votes
223k views
When the flower girl states, "You ain't heard what I come for yet,"the dialect used is intended to convey A.) that she is sad B.) that she is mean C.)that she is uneducated D.)that she is highly educated
answered Jun 27, 2017
5 votes
4.1k views
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