What is the nature of the roots of x^2 + 6x + 9= 0?
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Mathematics, 17.05.2021 22:20 popa60
What is the nature of the roots of x^2 + 6x + 9= 0?
Answers: 3
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Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.
Answers: 2
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Given sinâ
= 1/3 and 0 < â
< Ï/2 ; find tan2â
a. (4â2)/9 b. 9/7 c. (4â2)/7 d.7/9
Answers: 2
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In a city, 6th and 7th avenues are parallel and the corner that the pizza palace is on is a 54° angle. what is the measure of the angle that is made with 7th ave and broadway on the corner of the shake hut?
Answers: 2
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Amanufacturing firm has been averaging 16.8 orders per week for several years. however, during a recession, orders appeared to slow. suppose the firmâs production manager randomly samples 31 weeks and finds an average of 15.6 orders with a standard deviation of 2.3 orders. using a 0.025 significance level, test whether the mean number of orders has decreased. type the full 5 step procedure into the answer box, then for multiple choice practice, answer the following: 1. what is the name and symbol of the parameter that you are testing? 2. what is the symbol and value of the point estimate of that parameter? 3. what distribution are you using to test this parameter? 4. what is the critical value? 5. what is the test statistic value? 6. what is the p-value?
Answers: 2
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