Solve.An isosceles right triangle has legs of equal length. If the hypotenuse is 18 inches long, find the length of each leg.
A. 81
in.
B. 9
in.
C. 18
in.
D. 
in.
Answer: B
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 9
B. 
; 
C. 
; 
D. 
; 9
Solve the problem. Round your answer, if appropriate.Electrical systems are governed by Ohm's law, which states that V = IR, where V = voltage, I = current, and R = resistance. If the current in an electrical system is decreasing at a rate of 4 A/s while the voltage remains constant at 18 V, at what rate is the resistance increasing (in ?/sec) when the current is 60 A? (Do not round your answer.)
A. 
?/sec
B. 
?/sec
C. 
?/sec
D. 
?/sec
Determine the principal value without using a calculator.3
A. 9.26 B. Not real number C. 18.52 D. -7
Write the linear function given the pair of inputs and outputs.Write the linear function f if f(0) = -10 and f(4) = 10.
A. f(x) = 5x + 10 B. f(x) = x - 10 C. f(x) = 5x D. f(x) = 5x - 10