What is the solution to the system of equations below?
3x+4y= -2
2x-4y= -8
a: x=2...
Mathematics, 04.02.2020 01:55, clairajogriggsk
What is the solution to the system of equations below?
3x+4y= -2
2x-4y= -8
a: x=2,y=-2
b: x=6,y=-5
c: x=4,y=4
d: x=-2,y=1
d:
Answers: 1
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Point a is located at (0, 4), and point c is located at (−3, 5). find the x value for the point b that is located one fourth the distance from point a to point c. −0.25 −0.5 −0.75 −1
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Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4
Answers: 2
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For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?
Answers: 1
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