Find the angle between the vectors. Round your answer to two decimal places.
?

?

A.
B.
C.
D.
E.


Answer: A

Mathematics

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Solve the problem.How many monthly payments of $139.44 are necessary to pay off a  loan if the  interest rate is ?

A. 30 payments B. 40 payments C. 36 payments D. None of the above is correct.

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Solve the equation involving fractions. +  = 5

A. - , 10
B. 2, 10
C. - , -10
D. , -10

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Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.y = x2 from x = 0 to x = 4; n = 4

A. 27 B. 33 C. 36 D. 30

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Determine if the series converges or diverges. If the series converges, find its sum.

A. converges;  + 
B. converges;  + 
C. converges;  + 
D. diverges

Mathematics