Solve.44 + x = 71
A. 27
B. 115
C. 98
D. 3124
Answer: A
Mathematics
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Factor by grouping.6x - 60 + xy - 10y
A. (y - 10)(x + 6) B. (x - 10)(6 + y) C. (x - 10y)(6 + y) D. (y - 10)(6x + y)
Mathematics
Solve the problem.Find the perimeter of the polygon with the following vertices. Round to the nearest hundredth. A(1, 1), B(2, 5), C(5, 4), D(4, 2), E(3, 2)
A. 10.52 B. 12.76 C. 11.52 D. 14.64
Mathematics
Solve the system by back substitution.x + 4y+ 4z = -11 2y + 5z = -21 2z = - 10
A. (1, 2, -5) B. No solution C. (1, -5, 2) D. (-6, 2, -5)
Mathematics
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 1°
A. 0.54 B. -0.54 C. -1.00 D. 1.00
Mathematics