Provide an appropriate response.Explain why, when rewriting a fraction with a different denominator, the fraction can be multiplied by another fraction whose numerator and denominator are the same.
What will be an ideal response?
Answers will vary. When the numerator and denominator are the same, the fraction is equal to 1. Any number multiplied by 1 is the number itself.
Mathematics
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Use the given information to find the exact value of the trigonometric function.cos ? = - 
; sin ? > 0
Find cos 
.
A. 
B. - 
C. - 
D. 
Mathematics
Determine the period and range for the function.y = 2 cos(x + ?/6)
A. period: ?; range: [-2, 2]
B. period: 2?; range: 
C. period: ?; range: [0, 2]
D. period: 2?; range: [-2, 2]
Mathematics
Solve the equation.43 - x = 24 (Round to the nearest hundredth.)
A. 3.00 B. -3.00 C. 0.71 D. 3.44
Mathematics
Find the numerical value of the expression for 
and 
x - 3
A. a) 1 b) 15 B. a) 12 b) 54 C. a) 7 b) 21 D. a) 15 b) 1
Mathematics