Simplify. Express in terms of i.
A. -5i
B. 5i
C. ±5
D. -i
Answer: B
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Perform the operation and give the answer in Hindu-Arabic form. src="https://sciemce.com/media/4/ppg__ttt0612191108__f1q178g6.jpg" alt="" style="vertical-align: 0.0px;" height="10" width="5" />
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A. 46
B. 22
C. 42
D. 26
Solve the system of equations by use of determinants. 4x - 7y + 7z = 9-6x + 4y + 4z = 20 3x - 9y - 2z = -52
A. x = 5, y = 4, z = 5 B. x = 4, y = -6, z = -5 C. x = 6, y= 5, z = 6 D. x = 4, y = 6, z = 5
Assume that the rate of change of the unit price of a commodity is proportional to the difference between the demand and the supply so that
?
?
where k is a constant of proportionality. Suppose that 
, 
, and 
. Find a formula for ?p?(?t).
What will be an ideal response?
Solve the equation for ? if 
. Give your answer in degrees.
?
What will be an ideal response?