Mathematics, 04.07.2019 08:30 jmitial
1. the value(s) of x when sin(x) = -1 are x = -90° and 270°? true false 2. the y-value for y = cos(x) when x = -90° is 0. true false 3. what is the y-value for y = tan(x) when x = -45°? 1/2 1 -1 4. one of the x-value(s) for tan(x) = 0 is 90°. true false
Answers: 1
Mathematics, 21.06.2019 17:00
Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?
Answers: 1
Mathematics, 21.06.2019 19:00
Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4
Answers: 2
Mathematics, 22.06.2019 00:00
Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.
Answers: 1
1. the value(s) of x when sin(x) = -1 are x = -90° and 270°? true false 2. the y-value for y = cos(...
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