Mathematics, 01.08.2019 03:50 Angeldelissa
Given the system of 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? multiply the second equation by β4 to get β16x β 4y = β80 multiply the second equation by β1 to get β4x β y = β20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by β1 to get β2x β 4y = β14
Answers: 1
Mathematics, 21.06.2019 13:30
Lindsay is creating a bridge out of dried pasta and glue. in her plans, she sketches the graph to determine the lengths of the noodles, in centimeters, needed for the arch to increase the length of the bridge in 1 centimeter increments.which function did lindsay use to create her design? f(x) = (x β 5)2 + 8 f(x) = β(x + 5)2 + 8 f(x) = 0.5(x + 5)2 + 8 f(x) = β0.5(x β 5)2 + 8
Answers: 1
Mathematics, 21.06.2019 15:00
Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?
Answers: 1
Mathematics, 21.06.2019 16:30
Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.
Answers: 1
Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following acti...
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