Solve for R1 if RT = 200 ê and R2 = 600 ê.
R1 ú R2
RT = ÄÄÄÄÄÄÄ
R1 + R2
a. 800 ê
b. 400 ê
c. 300 ê
d. 180 ê
c. 300 ê
Mathematics
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Use the given vectors to find the specified scalar.u = -5i + 3j, v = -5i - 6j, w = -3i + 12j; Find u ? w + v ? w.
A. 1 B. -1 C. -6 D. -10
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Determine the given complex number raised to a power and write the answer in rectangular form.(1 - i)10
A. -32i B. -32 + 32i C. 32 - 32i D. 32
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Evaluate the expression.-91
A. 0 B. 9 C. 1 D. -9
Mathematics
Find a formula for the inverse of the function described below.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Celsius to those in Fahrenheit is 
.
A. f-1(x) = 
x + 32
B. f-1(x) = x + 32
C. f-1(x) = 
(x - 32)
D. f-1(x) = 
(x + 32)
Mathematics