Solve.The sum of two numbers is 35 while there difference is 15. Find the two numbers using system of equations.
A. 12 and 23
B. 17 and 18
C. 35 and 20
D. 25 and 10
Answer: D
Mathematics
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Find the area of a sector with central angle 5?/4 and a radius of 4.78m.
What will be an ideal response?
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Solve using Cramer's rule.2x + 3y = 333x - 2y = 4
A. (7, 6) B. (-7, 6) C. (6, 7) D. (-6, -7)
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Evaluate the expression for the given replacement values.y + x for x = 3.2, y = 7
A. 3.9 B. 10.2 C. 3.8 D. 10.1
Mathematics