Use a graphing calculator to solve the system. Round to the nearest thousandth.
x + y = 50.4x - y = 3
A. {(-2.947, 8.789)}
B. {(2.258, 2.097)}
C. ?
D. {(4.746, -1.102)}
Answer: D
Mathematics
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A. 928.8 cm B. 196.60 cm C. 30.50 cm D. 6.42 cm
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Identify the number as prime, composite, or neither.163
A. Composite B. Prime C. Neither
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Multiply.(8 + 4x)(-3 + 4x)
A. 4x2 + 20x + 20 B. 16x2 + 20x - 24 C. 16x2 - 24x + 20 D. 16x2 + 19x - 24
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In a certain college, 33% of the physics majors belong to ethnic minorities. Find the probability of the event from a random sample of 10 students who are physics majors.Seven or more belong to an ethnic minority.
A. 0.0028 B. 0.0154 C. 0.0185 D. 0.0032
Mathematics