Write the augmented matrix for the system.-2x + 4y = 6 7x + 7y = 105
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the integral.
A. 
B. 
C. - 
D. 
Mathematics
Answer the question(s) based on the following situation: A dishonest coin (landing heads 
of the time) is tossed 1350 times. The random variable X denotes the total number of heads that come up in the 1350 tosses.What are the chances that X is 522 or less?
A. approximately 37.5% B. approximately 16% C. approximately 25% D. approximately 5% E. none of these
Mathematics
Find the numerical value of the expression for 
and 
(Round to the nearest thousandth.)
A. a) 1.802 b) 8.110 B. a) 0.612 b) 2.753 C. a) 42.884 b) 868.400 D. a) 7.209 b) 145.978
Mathematics
Evaluate the determinant.
A. -286 B. 1392 C. 34 D. -34
Mathematics