Find the least common multiple.14, 35
A. 70
B. 490
C. 35
D. 49
Answer: A
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Solve the problem.A simple electrical circuit consists of a resistor connected between the terminals of a battery. The voltage V (in volts) is dropping as the battery wears out. At the same time, the resistance R (in ohms) is increasing as the resistor heats up. The power P (in watts) dissipated by the circuit is given by P = src="https://sciemce.com/media/4/ppg__wra0609191916__f1q193g5.jpg" style="vertical-align: -17.0px;" /> 
. Use the equation
= 
+ 
to find how much the power is changing at the instant when R = 4 ohms, V = 2 volts, 
and dV/dt = -0.08 volts/sec.
A. -0.92 watts
B. -1.08 watts
C. 0.92 watts
D. 1.08 watts
Convert the mixed number to an improper fraction.-5
A. - 
B. - 
C. - 
D. - 
If the temperature is constant, then the atmospheric pressure P (in pounds/square inch) varies with the altitude above sea level h in accordance with the law 
where p?0 is the atmospheric pressure at sea level and k is a constant.
?
If the atmospheric pressure is 17 lb/in.2 at sea level and 11.5 lb/in.2 at 5,000 ft, how fast is the atmospheric pressure changing with respect to altitude at an altitude of 15,000 ft? Give the answer to four decimal places.
?
A. 0.0004 lb/in.2/ft B. 0.0006 lb/in.2/ft C. 0.0003 lb/in.2/ft D. 0.0007 lb/in.2/ft E. 0.0005 lb/in.2/ft
Evaluate.
÷ (-3)
A. - 
B. 
C. - 
D. 