he temperature-humidity index I (or humidex, for short) is the perceived air temperature when the actual temperature is T and the relative humidity is h, so we can write I = f(T, h). The following table of values of I is an excerpt from a table compiled by the National Oceanic and Atmospheric Administration. For what value of T is f(T, 50) = 107?
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T = 95
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = ln (t3 - 5t2 + 4)i - 
j - 5 cos (t)k
A. v(0) = 
i - 
j + 5k
B. v(0) = - 
j
C. v(0) = 
j
D. v(0) = 
i - 
j
Mathematics
Solve the problem.The value of accounts payable for Larry's Bike Shop last year was $34,000 and this year was $18,000. Find the percent increase (or decrease) in accounts payable from last year to this year.
A. 47.1% increase B. 34.3% increase C. 34.3% decrease D. 47.1% decrease
Mathematics
Evaluate P(12, 5)
a. 95,040 b. 11,880 c. 1,320 d. 792 e. 495
Mathematics
Use the method of completing the square to write the equation in standard form. Then graph the equation.x2 + y2 - 4x - 2y - 4 = 0
A. 
B. 
C. 
D. 
Mathematics