For the given arithmetic sequence, find the specified term an and the sum of the terms from a1 to an, inclusive.5, 7, 9, 11, ... ; find a27
A. 57; 837
B. 57; 1620
C. 57; 729
D. 27; 1674
Answer: A
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Divide as indicated.
A. x2 + 3 B. x + 3 C. x - 18 D. x3 - 18
Provide an appropriate response.Traditionally in hypothesis testing the null hypothesis represents the "status quo" which will be overturned only if there is evidence against it. Which of the statements below might represent a null hypothesis?
A. The mean temperature this decade is higher than the mean temperature over the past century. B. The defendant is guilty. C. The treatment has no effect. D. The teaching method raises SAT scores.
Write the binomial expansion of the expression.(2x - 1)5
A. 32x5 - 80x4 + 80x3 - 40x2 + 10x - 1 B. (4x2 - 4x + 1)5 C. 32x5 + 10x4 - 40x3 - 40x2 + 10x - 1 D. 32x5 - 16x4 + 8x3 - 4x2 + 2x - 1
Given a = 12, b = 11, and c = 10, use the Law of Cosines to solve the triangle for the value of B. Round your answer to two decimal places.
What will be an ideal response?