Mathematics, 15.10.2019 05:30 citlalli30
Answer ! a company sells hockey sticks. members of the company's research group would like to estimate the percentage of their customers who are left-handed. they plan to survey a sample of customers.
which method should the members use to select the sample?
randomly select 45 customers from a list of all customers
select the next 45 customers who place an order and are left-handed
randomly select 45 customers from a list of customers who have purchased left-handed hockey sticks
select the next 45 customers who place an order
Answers: 2
Mathematics, 21.06.2019 19:50, Roshaan8039
Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
Answers: 3
Mathematics, 21.06.2019 21:00, VictoriaRose520
Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65
Answers: 1
Mathematics, 22.06.2019 00:30, Trendymwah4211
Ineed the solution to this problem and the steps.
Answers: 1
Mathematics, 22.06.2019 02:50, tristasbarker03
Given the functions, fx) = x^2-4 and g(x) = x+ 2, perform the indicated operation. when applicable, state the domain restriction. f(g(x))
Answers: 1
Answer ! a company sells hockey sticks. members of the company's research group would like to estim...
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