In a submerged trial run of an attack submarine, a reading of the sub's velocity was made every quarter hour, as shown in the accompanying table. Use the trapezoidal rule to estimate the distance traveled by the submarine during the 2-hour period. Please round the answer to the nearest hundredth if necessary.
Time, t (hr)0
Velocity, V(t) (mph)17.520.626.83129.627.318.816.35.6?
__________ miles
Fill in the blank(s) with the appropriate word(s).
45.49
Mathematics
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Refer to the double-bar graph below which shows the number of male and female athletes at a university over a four-year period. Solve the problem.
Which year had the smallest number of female athletes? What was the total number of male athletes that year?
A. year 3; 375 athletes B. year 1; 150 athletes C. year 1; 200 athletes D. year 2; 200 athletes
Mathematics
Find the indicated term of the sequence.The fifth term of the geometric sequence 7, -28, 112, . . .
A. 1792 B. -7168 C. -1792 D. 256
Mathematics
Multiply.
A. 1421 B. 1411 C. 1521 D. 1431
Mathematics
Simplify.16 - 0 - 3 - (-15) + (-5)
A. 9 B. -1 C. -7 D. 23
Mathematics