Mathematics, 28.04.2021 06:40 smolemily
Resolver las siguientes ecuaciones con una incognita.
Solve the following equations with one unknown.
3x-2x+x-4+3-2=0
x-(-6)=12
4x-4=-6x+3x
3/2 x=-3
1/2 x+5=6-2
2/3 x+1=-5
5(2x-2)=3(x-1)+7
5(x-2)=6(2x+1)
1/2 x=1/4 x+2
6(x-2)-3(x+1)=4(3+2)
Answers: 2
Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 21.06.2019 19:00
Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.
Answers: 1
Mathematics, 21.06.2019 21:30
Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true
Answers: 2
Resolver las siguientes ecuaciones con una incognita.
Solve the following equations with one unkno...
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