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Answers: 3
Mathematics, 21.06.2019 22:30
Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by ââ4 to get ââ16x ââ 4y = ââ80 multiply the second equation by ââ1 to get ââ4x ââ y = ââ20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by ââ1 to get ââ2x ââ 4y = ââ14
Answers: 1
Mathematics, 21.06.2019 22:50
Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables
Answers: 3
Mathematics, 21.06.2019 23:00
What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? â1 0 2 3
Answers: 1
Mathematics, 21.06.2019 23:20
For which pairs of functions is (fâ˘g)(x)=12x? f(x)=3-4x and g(x)=16x-3 f(x)=6x2 and g(x)= 2/x f(x)= and g(x) = 144x f(x)=4x and g(x) =3x
Answers: 1
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