Perform the indicated operation. 

A. -7
B. -4
C. 8
D. 7
E. -8


Answer: E

Mathematics

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Use the change-of-base formula to find the logarithm. Round your answer to four decimal places.  log2 7

A. 2.8074 B. 0.3562 C. 5.6148 D. -2.8074

Mathematics

Provide an appropriate response.In oblique triangle ABC, find the indicated part. Round to nearest 0.1°.  Find B if A = 127°, a = 4.2 m, and b = 4.0 m.

Fill in the blank(s) with the appropriate word(s).

Mathematics

Find all solutions of the equation in the interval [0, 2?).csc 3x = 0

A. ?
B.
C.
D.

Mathematics

Solve the problem. Be sure to make a diagram of the situation with all the given information labeled. ? A person standing on top of a 15-foot high sand pile wishes to estimate the width of the pile. He visually locates two rocks on the ground below at the base of the sand pile. The rocks are on opposite sides of the sand pile, and he and the two rocks are in line with one another. If the angles of depression from the top of the sand pile to each of the rocks are 17° and 26°, how far apart are the rocks? ?

A. 80 ft B. 82 ft C. 87 ft D. 90 ft E. 75 ft

Mathematics