Find the modulus and the argument for the complex number. z = -i
What will be an ideal response?
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Mathematics
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Determine the system of inequalities illustrated in the graph. Write inequalities in standard form.
A. x - y < 3 x + y > 6 B. x - y < 3 x + y < 6 C. x - y > 3 x + y > 6 D. x - y > 3 x + y < 6
Mathematics
Perform the matrix multiplication. Find AB for A = 
and B = 
.
A. 
B. 
C. 
D. 
Mathematics
Use the product-to-sum or sum-to-product identities to find an identity for the given expression.3 cos 11? sin 20?
A. 
(-sin 31? - sin 9?)
B. 
(sin 31? - sin 9?)
C. cos 31? + cos 9?
D. 
(sin 31? + sin 9?)
Mathematics
Find the first term and the common ratio of the geometric sequence.3, 
, 
, 
, 
, . . .
A. a1 = 3, r = 4
B. a1 = 3, r = 
C. a1 = 
, r = 
D. a1 = 
, r = 10
Mathematics