Find an approximate value for the integral, using the trapezoidal rule with n intervals. Round the answer to the nearest tenth if necessary.
n = 4
A. 6.0
B. 1.5
C. 12.0
D. 3.0
Answer: D
Mathematics
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Use the substitution formula to evaluate the integral.
A. 
- 2
B. - 2
+ 4
C. 2
- 4
D. 
- 1
Mathematics
Perform the indicated operation by hand.4.9 ÷ 1.0
A. 49 B. 0.49 C. 4.9 D. 5.9
Mathematics
Solve.Find the exact circumference of the circle. Then use the approximation 3.14 for ? and approximate the circumference.
A. 16? mi, 50.24 mi B. 8? mi, 25.12 mi C. 64? mi, 200.96 mi D. 16? mi, 50.4 mi
Mathematics
Solve the equation.3(8 - 2x) = 9
A. 8
B. 
C. -3
D. 3
Mathematics