Mathematics, 24.06.2019 19:30 sydney673
Abakery is considering buying one of two gas ovens. the bakery requires that the temperature remain constant during a baking operation. a study was conducted to measure the variance in temperature of the ovens during the baking process. the variance in temperature before the thermostat restarted the flame for the monarch oven was 2.1 for 13 measurements. the variance for the kraft oven was 3.3 for 18 measurements. does this information provide sufficient reason to conclude that there is a difference in the variances for the two ovens
Answers: 3
Mathematics, 21.06.2019 18:50, hartmaaj95
The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103
Answers: 3
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