Solve for x:
45
ÄÄ = 5
x
a. x = 50
b. x = 40
c. x = 15
d. x = 12
e. x = 9
e. x = 9
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In a bandpass filter, f1 = 45 KHz and f2 = 60 KHz. Find fm.
a. 51.0 KHz b. 52.0 KHz c. 52.5 KHz d. 54.2 KHz e. 55.7 KHz
Solve the problem.A wire is cut into two pieces, with one piece 14 feet shorter than the other. The wire was 84 feet before it was cut. How long is the shortest length of wire?
A. 28 ft B. 35 ft C. 49 ft D. 56 ft
Solve the system of equations using substitution.
A. x = 8 , y = -8; x = 2, y = -2
or (8, -8), (2, -2)
B. x = - 
, y = -2 or 
C. x = -8 , y = - 
; x = -2, y = - 
or 
, 
D. x = - 
, y = -8; x = - 
, y = -2
or 
, 
Solve the problem.The price p and x, the quantity of a certain product sold, obey the demand equation p = - 
x + 100, {x|0 ? x ? 1000}a) Express the revenue R as a function of x.b) What is the revenue if 450 units are sold?c) Graph the revenue function using a graphing utility.d) What quantity x maximizes revenue? What is the maximum revenue?e) What price should the company charge to maximize revenue?
What will be an ideal response?