Use your calculator to solve the problem.The impedance (in ohms) of a series RLC circuit is given by the expression 
, where R is the resistance of the resistor, XL is the reactance of the coil, and XC is the reactance of the capacitor. What is the impedance of a circuit containing a 340 ohm resistor, a coil with a reactance of 2422 ohms, and a capacitor with a reactance of 896 ohms? (All values are approximate.)
A. 830 ohms
B. 6.0 × 1012 ohms
C. 2,400,000 ohms
D. 1600 ohms
Answer: D
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The following table shows the length, in inches, of certain animals as a function of their running speed, in feet per second.
AnimalDeermouseChipmunkGrey squirrelRed foxCheetah
1020304050
2531363942?
Use the average rate of change to estimate the length of an animal that has a running speed of 14.62 feet per second.
?
A. 28.04 inches
B. 27.77 inches
C. 25.34 inches
D. None of the above
For the following data table, complete the table of changes, and determine if the data can be modeled exactly by a linear function. Round your answer to two decimal places, if necessary. x 4 9 14 19 y 14.22 27.97 41.72 55.47? Change in x From 4 to 9 From 9 to 14 From 14 to 19 Change in ?y
What will be an ideal response?
Translate the statement into a mathematical equation.9 times a number subtracted from 7 times the number is 26.
A. 7x + 9x = 26 B. 7x - 9x = 26 C. 7(x - 9) = 26x D. 7x(9 - x) = 26
Use counting rules to determine the probability.A committee of 9 members is voting on a proposal. Each member casts a yea or nay vote. On a random voting basis, what is the probability that the proposal wins by a vote of 7 to 2?
A. 
B. 
C. 
D. 