2x-y=-4
-2x+y=3
how to solve using systems elimination ...
Answers: 3
Mathematics, 22.06.2019 02:20
Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.
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Mathematics, 22.06.2019 03:30
The area of a square floor on a scale drawing is 64 square centimeters, and the scale drawing is 1 centimeter: 3 ft. what is the area of the actual floor? what is the ratio of the area in the drawing to the actual area? the area of the actual floor is square feet. the ratio of the area in the drawing to the actual area is 1 square centimeter: square feet.
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Mathematics, 22.06.2019 03:40
(25 ! ) what does it mean for an equation to have no solution or infinitely many solutions?
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Mathematics, 22.06.2019 05:00
Amanufacturing firm has been averaging 16.8 orders per week for several years. however, during a recession, orders appeared to slow. suppose the firm’s 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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