Use the inverse formula   to find the inverse of the  matrix (if it exists).
?
?
?

A. ?
B. ?
C. ?
D.
E. ?Does not exist

Answer: E

Mathematics

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Choose the inequality that matches the graph.

A. y > x2 + 4x + 6
B. y ? x2 + 4x + 6
C. y ? x2 + 4x + 6
D. y < x2 + 4x + 6

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Mathematics

Write the sum or difference as a product containing only sines and/or cosines.sin(6?) - sin(4?)

A. 2 sin(5?) cos ? B. -2 sin ? cos(5?) C. -2 sin(5?) cos ? D. 2 sin ? cos(5?)

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Mathematics

Solve the formula for the indicated variable.T = 2?  for L

A. L = 
B. L = 
C. L = 
D. L = 

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Mathematics

What is the size of the payments that must be deposited at the beginning of each 6-month period in an account that pays an annual rate of 8%, compounded semiannually, so that the account will have a future value of $110,000 at the end of 11 years? Round your answer to the nearest cent. ?

A. $17,573.48 B. $7,842.69 C. $916.44 D. $3,088.34 E. $1,597.49

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Mathematics