Solve.In an airport, 10% of the flights are delayed less than an hour and 6% of the flights are delayed an hour or more but less than two hours. If 6000 flights arrive at this airport in a day, how many flights are delayed less than two hours?
A. 96 flights
B. 9600 flights
C. 1200 flights
D. 960 flights
Answer: D
Mathematics
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Solve the system using matrices.x - y+ 5z = 7x + 3y + z = 110.4x + 0.1z = 0.2
A. (0, 3, 2) B. No solution C. (2, 3, 0) D. (2, 0, 3)
Mathematics
Divide and simplify.
÷ 
A. 
B. z - 4
C. 
D. 
Mathematics
Find the product.(-4)(-4)(6)
A. 96 B. 86 C. -96 D. 196
Mathematics
Arrange the polynomial in descending powers of the variable. Then find its degree and leading coefficient.7x - 8x5 - 1
A. 7x - 8x5 - 1, degree 6, leading coefficient: 7 B. -8x5 + 7x - 1, degree: 6, leading coefficient: -8 C. 7x - 8x5 - 1, degree 7, leading coefficient: 7 D. -8x5 + 7x - 1, degree: 5, leading coefficient: -8
Mathematics