Mathematics, 06.05.2020 20:37 kakalli9999
A 4-column table has 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2. The second column is labeled 2 Superscript x with entries one-fourth, one-half, a, d, 4. The third column is labeled 3 times 2 Superscript x with entries three-fourths, three-halves, b, e, 12. The fourth column is labeled 2 Superscript 3 x with entries StartFraction 1 Over 64 EndFraction, one-eighth, c, f, 64. a = b = c = d = e = f =
Answers: 1
Mathematics, 21.06.2019 17:40
Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882
Answers: 1
Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) β sinh2(x) = 1 and (b) 1 β tanh 2(x) = sech 2(x). solution (a) cosh2(x) β sinh2(x) = ex + eβx 2 2 β 2 = e2x + 2 + eβ2x 4 β = 4 = . (b) we start with the identity proved in part (a): cosh2(x) β sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 β sinh2(x) cosh2(x) = 1 or 1 β tanh 2(x) = .
Answers: 3
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
A 4-column table has 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1...
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