Graph the solution set of the following system of inequalities and find the coordinates of points where any lines intersect.

A.

B.

C.

D.


Answer: C

Mathematics

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Convert 3 m to centimeters.__________ cm

Fill in the blank(s) with the appropriate word(s).

Mathematics

Solve the problem.A merchant has coffee worth $30 a pound that she wishes to mix with 20 pounds of coffee worth  a pound to get a mixture that can be sold for  a pound. How many pounds of the  coffee should be used?

A. 15 pounds B. 5 pounds C. 30 pounds D. 10 pounds

Mathematics

A bakery makes sweet rolls and donuts. A batch of sweet rolls requires  of flour,  eggs, and  of sugar. A batch of donuts requires  of flour,  eggs, and 

src="https://sciemce.com/media/4/ppg__rrr0625191026__f1q102g6.jpg" alt="" style="vertical-align: -4.0px;" /> of sugar. Set up an initial simplex tableau to maximize profit.The bakery has 380 lb of flour, 320 dozen eggs,  of sugar. The profit on a batch of sweet rolls is  and on a batch of donuts is $63.00.

A.


B.  


C.  


D.  


Mathematics

Determine whether the system corresponding to the given augmented matrix is consistent or inconsistent. If it is consistent, give the solution.

A. consistent; x1 = 8, x2 = -7, x3 = -3, x4 = -7; (8, -7, -3, -7) B. consistent; x1 = 3 + x4, x2 = -5 + 8x4, x3 = -7x4, x4 any real number  or {(x, y, z)|x1 = 3 + x4, x2 = -5 + 8x4, x3 = -7x4, x4 any real number} C. consistent; x1 = 3 - x4, x2 = -5 - 8x4, x3 = 7x4, x4 any real number  or {(x, y, z)|x1 = 3 - x4, x2 = -5 - 8x4, x3 = 7x4, x4 any real number} D. inconsistent

Mathematics