Solve problems using a calculator.To determine the thickness of a sheet of metal, six batches of 8 sheets each are measured with a digital micrometer. The thickness of each of the six batches of 8 is 0.3932, 0.3929, 0.3922, 0.3925, 0.3930, and 0.3924 mm. Find the average thickness of a single sheet of metal. (Round to the nearest ten-thousandth of a millimeter, if necessary.)
A. 0.0490 mm
B. 0.0491 mm
C. 0.3929 mm
D. 0.3927 mm
Answer: B
Mathematics
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In the circuit below, Vin = 7 V, R = 250 ê, xC = 1000 ê, and C = 90 pF. Find the bandwidth.
a. 310 KHz
b. 1000 KHz
c. 450 KHz
d. 200 KHz
e. 250 KHz
Mathematics
Solve.x4 - 31x2 - 180 = 0
A. -36, 5
B. - 
, 
, -6i, 6i,
C. 6, i
D. -6, 6, -i
, i
Mathematics
Find the absolute extremum within the specified domain.Maximum of f(x) = 3x4 + 16x3 + 24x2 + 32; [-3, 1]
A. (1, 75) B. (-3, 32) C. (0, 32) D. (-2, 85)
Mathematics
Find the x- and y-intercepts of f.f(x) = 5x - x3
A. x-intercepts: 0, -5; y-intercept: 5
B. x-intercepts: 0, -5; y-intercept: 0
C. x-intercepts: 0, 
, -
; y-intercept: 0
D. x-intercepts: 0, 
, -
; y-intercept: 5
Mathematics