Find the sum.1 + 2 + 3 + ... + 920
A. 847,320
B. 423660
C. 422740
D. 846,400
Answer: B
Mathematics
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Determine whether the vectors v and w are orthogonal.v = 2i - 6j, w = -6i + 2j
A. Not orthogonal B. Orthogonal
Mathematics
Write the fraction in lowest terms.
A.
B.
C.
D.
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Perform the division. Write the answer with positive exponents.(36x6 + 18x4 + 90x2) ÷ (-9x2)
A. -4x6 - 2x4 - 10x2 B. -4x4 - 2x2 - 10 C. -4x4 + 18x4 + 90x2 D. 36x4 + 18x2 + 90
Mathematics
Use a calculator to find tan 143.8°. ? Please round the answer to the nearest ten-thousandth.
Fill in the blank(s) with the appropriate word(s).
Mathematics