Solve the system by substitution.10x - 4y = 310x + 4y = 3

A. ?
B.
C.
D.

Answer: D

Mathematics

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A graph of y = f(x) follows. No formula for f is given. Graph the given equation.y = 2f(x)?

A.

B.

C.

D.

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Find a power function that models the data in the table. Round to three decimal places if necessary.

A. y = 1.147x4.580 B. y = 3038.125x - 8562.081 C. y = 2.442x3.164 D. y =4.580x1.147

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Add and simplify. + 

A.
B.  
C.  
D.

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Mathematics

A six-sided die is rolled. Find the requested probability.What is the probability that an odd number is rolled?

A. 3
B.
C.
D.

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Mathematics