Cleaning pumps remove oil at the rate modeled by the function r, given by r of t equals 2 plus the cosine of the quantity pi times t divided by 11 with t measure in hours and and r(t) measured in gallons per hour. how much oil will the pumping stations remove during the 6-hour period from t = 0 to t = 6? give 3 decimal places. (4 points)

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

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step-by-step explanation:

answer: 2 answers

step-by-step explanation: the first one means to spread the product throughout the marketplace such that a large number of people can buy it.  

the second means the process of making a product or service available for the consumer or business user that needs it.

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option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,