Express the sum or difference as a product of sines and/or cosines.sin(6?) - sin(4?)
A. -2 sin(5?) cos ?
B. 2 sin ? cos(5?)
C. 2 sin(5?) cos ?
D. -2 sin ? cos(5?)
Answer: B
Mathematics
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Provide an appropriate response.Perform the multiplication and express in scientific notation: (1.6 × 109)(2.5 × 106)
A. 40 × 1014 B. 4.1 × 1054 C. .4 × 1016 D. 4 × 1015
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Add and simplify. Write the answer as a mixed numeral if possible.2
+ 1
A. 3
B. 3
C. 4
D. 3
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Determine the domain and range of the function.
A. domain: (-?, ?); range: [-3, 3) B. domain: (-?, ?); range: (-3, 3] C. domain: (-?, ?); range: [-3, 3] D. domain: (-3, 3]; range: (-?, ?)
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Use I = Prt for simple interest to find the indicated quantity.P = $13,500; t = 4 months; I = $517.50. Find r.
A. 11.7% B. 7.7% C. 3.8% D. 11.5%
Mathematics