Express the sum using summation notation.
+ + ... +
A.
B.
C.
D.
Answer: C
Mathematics
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Answer as requested.Which of the following is likely the result of some common underlying cause rather than a direct cause?
A. The more cash I take out at the ATM, the more my account balance decreases. B. When the NASDAQ rises, the Dow Jones Industrial Average also tends to rise. C. The more items sold, the greater the revenue. D. People who eat a lot of dessert tend to be heavier than those who don't.
Mathematics
Simplify the expression. The result will be one of sin x, cos x, tan x, cot x, sec x, csc x.tan x(csc x - sin x)
A. csc x B. tan x C. sec x D. cos x
Mathematics
Find the area.A square with side length 6 in.
A. 72 in.2 B. 12 in.2 C. 24 in.2 D. 36 in.2
Mathematics
Simplify.274/3
A. 729 B. 2187 C. 81 D. 243
Mathematics