Multiply.51.9 × 1.9
A. 53.8
B. 98.72
C. 99.71
D. 98.61
Answer: D
Mathematics
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Provide an appropriate response.In oblique triangle ABC, find the area, given the indicated parts. Round to tenths. Side a = 2, side b = 2, and angle C = 50°.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the amplitude and range of the function.y = -3 sin x
A. 
; [-3, 3]
B. -3; [-3, 3]
C. 3; [-3, 3]
D. 2?; [-3, 3]
Mathematics
Rewrite the fraction with the denominator indicated.Write 
with a denominator of 21.
A. 
B. 
C. 
D. 
Mathematics
Identify the equation as either an identity or not.tan2x = sec2x - sin2x - cos2x
A. Identity B. Not an identity
Mathematics