Solve the system by elimination. = 59x - 15y = 10

A.
B.
C. {(x, y)| = 5}
D. ?


Answer: A

Mathematics

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Determine the reference angle for the given angle.? = 

A.
B.
C.
D.

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Subtract and, if possible, simplify. - 

A.
B.
C.
D. 11

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Use your calculator to approximate the integral using the method indicated, with n = 100. Round your answer to four decimal places. dx (trapezoidal rule)

A. 6.9888 B. 6.9288 C. 7.0135 D. 7.0309

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Find the number or numbers.The sum of twice a number and 4 less than the number is the same as the difference between -24 and the number. What is the number?

A. -10 B. -5 C. -6 D. -4

Mathematics