Use an associative property to complete the statement.(4x + 4y) + 2z =
A. (4x + 4y + 2z)
B. 4x + (4y + 2z)
C. 4x + 4y + 2z
D. (4y + 4x) + 2z
Answer: B
Mathematics
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Find the sum.
A. 
B. 
C. 
D. 
Mathematics
In the circuit below, find fCO and VO if Vin = 42 V, R = 22 K, and C = 0.00015 æF.
a. VO = 29.7 V, fCO = 48.2 KHz
b. VO = 21.0 V, fCO = 48.2 KHz
c. VO = 21.0 V, fCO = 31.7 KHz
d. VO = 29.7 V, fCO = 31.7 KHz
e. VO = 21.0 V, fCO = 34.1 KHz
Mathematics
?Find the approximate change in z when the point 
changes from 
to 
.
?
; from 
to 
??
__________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the first four terms of the binomial expansion.(2x + 3y)7
A. 128x7 + 1344x6y + 6048x5y2 + 15,120x4y3 B. 823,543y + 6x6y2 + 5x5y3 + 4x4y4 C. 7x7 + 6x6y + 5x5y2 + 4x4y3 D. 128x7 y + 1344x6y2 + 6048x5y3 + 15,120x4y4
Mathematics