Find the indicated term of the geometric sequence.a1 = 4, r = 5; find a4

A. 125
B. 2500
C. 60
D. 500


Answer: D

Mathematics

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If an argument reads:

If ,PQ ? QR, then ?PQR is a right angle. If ?PQR is a right angle, then PQR is a right triangle. If ?PQR is a right triangle with ?Q the right angle, then (PQ)2 + (QR)2 = (PR)2. then we can conclude (a) PQ ? QR (b) If PQ ? QR then (PQ)2 + (QR)2 = (PR)2. (c) If ?PQR is a right angle then (PQ)2 + (QR)2 = (PR)2. (d) All of these are valid conclusions. (e) Both answers (b) and (c) are correct.

Mathematics

Identify the property illustrated by the statement. Assume all variables represent real numbers.2 + 9 = 9 + 2

A. Inverse B. Commutative C. Associative D. Identity

Mathematics

Provide the requested response.Suppose that a polynomial function of degree 6 with rational coefficients has as zeros. Find the other zeros.

A. -2i, -4 - 5i , 5 + 
B. -2i, 4 - 5i , -5 + 
C. -4 - 5i , 5 + 
D. 4 - 5i , -5 + 

Mathematics

Solve the problem.The polynomial  gives the approximate total earnings of a company, in millions of dollars, where x represents the number of years since 1996. This model is valid for the years from 1996 to 2000. Determine the earnings for 2000. Round your answer to two decimals, if necessary.

A. $2.8 million B. $2.37 million C. $2.56 million D. $2.06 million

Mathematics