Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.52 + 103 + 154 + . . . + 409 

A.
B.
C.
D.


Answer: C

Mathematics

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Write the vector in the form . Round values to the nearest hundredth when appropriate.

A.
B.
C.
D.

Mathematics

Identify whether the equation, when graphed, will be a parabola, circle, ellipse, or hyperbola. +  = 1

A. parabola B. circle C. ellipse D. hyperbola

Mathematics

Match the given equation with one of the graphs.36x2 + 49y2 = 1764

A.

B.

C.

D.

Mathematics

Evaluate the expression.7!

A. 5033 B. 720 C. 5047 D. 5040

Mathematics