Mathematics, 21.05.2021 03:30 blackchina71
Two methods were used to teach a high school algebra course. A sample of 75 scores was selected for method 1, and a sample of 60 scores was selected for method 2. The results are:
Method 1 Method 2
Sample mean 85 83
Sample s. d. 3 2
Required:
Test whether method 1 was more successful than method 2 at the 1% level.
Answers: 1
Mathematics, 21.06.2019 13:00
Remmi wrote the equation of the line y=â
(x+2) he solved for x and got x=3y-2 which of the following is an equivalent equation for x? a.x=y-11/3 b.x=y+7/3 c.x=3(y-â
) d.x=3(y+â
)
Answers: 1
Mathematics, 21.06.2019 18:30
Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality
Answers: 1
Mathematics, 21.06.2019 18:30
Given: mâ adb = mâ cdb ad â
dc prove: mâ bac = mâ bca lol
Answers: 2
Mathematics, 21.06.2019 18:50
Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.
Answers: 1
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