Solve the problem.The following table shows the rate of water flow (in gal/min) from a stream into a pond during a 30-minute period after a thunderstorm. Use the Trapezoidal Rule to estimate the total amount of water flowing into the pond during this period.
A. 9050.0 gal
B. 9975 gal
C. 9983.3 gal
D. 11,350 gal
Answer: B
Mathematics
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Simplify. Write your answer in the form a + bi, where a and b are real numbers.(-9 + 14i) - (6 - 3i)
A. 3 - 17i B. -15 + 17i C. -3 - 17i D. -15 - 17i
Mathematics
Express the sum using summation notation. Use a lower limit of summation not necessarily 1 and k for the index of summation.4 + 
+ 5 + 
+ . . . + 
A. 
B. 
C. 
D. 
Mathematics
Write the matrix equation as a system of linear equations without matrices.
= 
A. -9x - 4y = -5 -6x - 7y = 6 B. -9x - 4y = 5 -7x - 6y = -6 C. -9x - 4y = -5 -7x - 6y = 6 D. -4x - 9y = -5 -7x - 6y = 6
Mathematics
Find the absolute value.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics