Calculate, to the nearest 0.1%, what annual interest rate would be required if you invested $6,000 in Apple stock and ended up with $11,264 when you sold the stock after 9 years? Assume that interest was compounded quarterly.
?
The required annual interest rate is __________%.
Fill in the blank(s) with the appropriate word(s).
7.1
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In the circuit below, find IT in rectangular form if IR = 7 mA and IC = 9 mA.
a. 16 mA - j2 mA
b. 16 mA + j16 mA
c. 9 mA + j7 mA
d. 7 mA + j9 mA
e. -2 mA + j16 mA
Perform the indicated operation.102 + 9 ? 7 - (11 + 4 ? 6)
A. 73 B. 728 C. 176 D. 128
Insert <, >, or = to make the statement true.-44 _____ -71
A. < B. > C. =
Michael Kasha of Florida State University used physics and mathematics to design a new classical guitar. The model he used for the frequency of the vibrations on a circular plate was
?
,
?
where ? is the frequency (in vibrations per second), t is the plate thickness (in millimeters), d is the diameter of the plate, E is the elasticity of the plate material, and ? is the density of the plate material. For fixed values of d, E and ? the graph of the equation is a line (see figure).
?
Estimate the frequency when the plate thickness is 2 millimeters.
?
A. Around 433
B. Around 333
C. Around 533
D. Around 233
E. None of these