Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. 0.792
B. 3.18
C. 0.277
D. 10.7
Answer: B
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Mathematics
Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.f(x) = sin3 x
A. 
sin x + 
sin 2x - 
sin 3x
B. 
sin x + 
sin 2x
C. 
sin x - 
sin 3x
D. 
sin x
Mathematics
Use the given information to find the exact value of the trigonometric function.cos ? = 
, csc ? > 0
Find sin 
.
A. 
B. 
C. 
D. 
Mathematics
Using the variable x, write the interval using set-builder notation.
A. 
B. {x| 5 ? x ? 4}
C. 
D. 
Mathematics