Mathematics, 24.06.2019 10:30 mat1413
Given the system o 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?
Answers: 1
Mathematics, 21.06.2019 15:30
After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30
Answers: 1
Mathematics, 21.06.2019 23:30
Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8
Answers: 1
Mathematics, 22.06.2019 02:20
Stu and ambrose are working together on a study of whether diet is related to students' mental health. first, they randomly select 10 students from the student center and 10 students from the office of counseling and psychological services. then, they ask students to rate their diet in terms of healthiness on a scale of 1-100 before completing a 20-item mental health survey. a) name one of the constructs being studied b) how was the construct you named above operationally defined in this experiment? e) was the variable you described above their independent variable, their dependent variable, or a controlled variable? d) what is a confounding variable? what is a potential confound in this study?
Answers: 3
Mathematics, 22.06.2019 03:30
Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.
Answers: 2
Given the system o equations presented here 2x+4y=14 4x+y=20 which of the following actions creates...
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