Use a sum-to-product identity to rewrite the expression.sin 30° + sin 58°
A. 2 cos 44° sin 14°
B. -2 sin 44° sin 14°
C. 2 sin 44° cos 14°
D. 2 cos 44° cos 14°
Answer: C
Mathematics
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A. y = - 
x
B. y = 
x
C. y = 
x
D. y = - 
x
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Find a ? b.a = 4i + 5j, b = 2i + 4j
A. 
B. 28
C. 
D. 12
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Round the money amount to the specified place.$2.485 to the nearest cent.
A. $2.49 B. $2.48 C. $2.5 D. $2
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Demand for your tie-dyed T-shirts is given by the formula
?
?
where p is the price in dollars you can charge to sell q T-shirts per month. If you currently sell T-shirts for $10 each and you raise price by $1 each month, how fast will the demand drop?
?
A. 80 T-shirts per month B. 20 T-shirts per month C. 160 T-shirts per month D. 80,000 T-shirts per month E. 800 T-shirts per month
Mathematics