Solve the problem.Melinda wanted to know the total number of hours she worked this week. Her time card indicated the following hours: Monday, 5.19 hours; Tuesday, 1.51 hours; Thursday, 3.18 hours. How many hours has Melinda worked?

A. 8.88 hr
B. 10.88 hr
C. 9.88 hr
D. 9.78 hr


Answer: C

Mathematics

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Solve the equation. -  = 0

A. no solution B. -6, 6 C. 6 D. -6, 0, 6

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Multiply.(-0.4y6)3

A. -1.2y18 B. -0.064y18 C. -0.0064y18 D. -0.64y9

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Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.64y2 - 36x2 = 2304

A. center at (0, 0)
transverse axis is x-axis
vertices: (-6, 0), (6, 0)  
foci: (-8, 0), (8, 0)
asymptotes of y = -  and y = 
B. center at (0, 0)
transverse axis is y-axis
vertices at (0, -6) and (0, 6)  
foci at (0, - 10) and (0, 10)
asymptotes of y = -  and y = 
C. center at (0, 0)
transverse axis is x-axis
vertices: (-8, 0), (8, 0)  
foci: (- 10, 0) , (10, 0)
asymptotes of y = -  and y = 
D. center at (0, 0)
transverse axis is y-axis
vertices: (0, -6), (0, 6)  
foci: (- 10, 0) , (10, 0)
asymptotes of y = -  and y = 

Mathematics

Evaluate without using a calculator. ?

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

Mathematics