Solve.If y varies inversely as x, and y = 3 when x = 45, find y when x = 5.
A. 27
B. 3
C. 75
D. 
Answer: A
Mathematics
You might also like to view...
Find an equation of the tangent line at x = a.y = x - x2; a = 4
A. y = 7x + 16 B. y = 9x + 16 C. y = 9x - 16 D. y = -7x + 16
Mathematics
Write the number in scientific notation.In 1997, the total value of imports and exports for Canada was $318,160,000,000.
A. $318.16 × 109 B. $3.1816 × 1012 C. $3.1816 × 1011 D. $3.1816 × 1010
Mathematics
Find the exact value, given that sin A = -4/5 with A in quadrant IV, 
with B in quadrant III, and 
with C in quadrant II.tan 2A
A. - 
B. - 
C. 
D. 
Mathematics
Determine whether the following represents a function.x = 6 - y
A. function B. not a function
Mathematics