Use conversion factors to convert the units of measure.9,000 pounds to tons Express the answer as a mixed number.
A. 3
T
B. 4
T
C. 9 T
D. 6 T
Answer: B
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Solve the problem.A mechanism with two length-adjustable links is depicted below. The adjustable lengths are b and c, the length a is fixed, and the point A can only move horizontally. From the law of sines, 
Sketch the graph of b as a function of A for 
and B = ?/4.
A. 
B. 
C. 
D. 
In the circuit below, Vin = 7 V, R = 250 ê, xC = 1000 ê at fr, and C = 90 pF. Find fr and Q.
a. fr = 3.1 MHz, Q = 10
b. fr = 1.8 MHz, Q = 4
c. fr = 1.8 MHz, Q = 1.8
d. fr = 1.2 MHz, Q = 6
e. fr = 1.0 MHz, Q = 4
Evaluate the root function at the given x-value. Round to the nearest hundredth when appropriate.f(x) = 
, x = 3
A. 2 B. 3 C. 4 D. 1
Identify the type of graph.-x2 - 10x + 3y2 + 6y = - 11
A. The graph is an ellipse with center 
.
B. The graph is a circle with center 
.
C. The equation has no graph.
D. The graph is a hyperbola opening to the right and left.