Use the half-angle formulas to evaluate the given function.sin 112.5°

A. 0.8315
B. -0.3827
C. 1.3066
D. 0.9239


Answer: D

Mathematics

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Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.(x-2y)6

A. x12y6
B.
C.
D.

Mathematics

Solve the problem.Sue had $572 in her bank account. She deposited a $649 paycheck and a  paycheck. How much did she deposit and what was her new balance?

A. $1029; $1591 B. $952; $1501 C. $1221; $1601 D. $1029; $1601

Mathematics

Attending concerts is a favorite form of entertainment for many people. The graph shows concert attendance gradually increased from 1994 to 2004 for concerts at a small town's outdoor concert venue. In 1994, the average attendance was 935, as represented by the point  In 2004, the average attendance was 2350, as represented by the point  We can find an equation of the line segment PQ using a system of equations, and then we can use the equation to approximate the attendance in any of the years between 1994 and 2004. 

src="https://sciemce.com/media/4/ppg__tttt0623191144__f1q91g3.jpg" alt="" style="vertical-align: 0.0px;" height="213" width="361" />After forming an equation for the segment, PQ, solve for y, when x = 2003. A. 3071.5 B. 2208.5 C. 52,443.1 D. 218,866

Mathematics

Form a polynomial whose zeros and degree are given. Use a leading coefficient of 1. Zeros: -2, multiplicity 2; -1, multiplicity 1; degree 3

A. x3 - 5x2 + 8x - 4 B. x3 + 4x2 + 8x + 4 C. x3 - 5x2 + 4x - 4 D. x3 + 5x2 + 8x + 4

Mathematics