Find the sum, if possible.
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Mathematics
The vector r(t) is the position vector of a particle at time t. Find the angle between the velocity and the acceleration vectors at time t = 0.r(t) = 
ti + (t + 
t2)k
A. 
B. 0
C. 
D. ?
Mathematics
Find the tax rate for the area. Round to the nearest tenth of a percent.Total tax needed: $564,000Total assessed value: $9,421,000
A. 1.7% B. 6.0% C. 16.7% D. 0.6%
Mathematics
Prove the identity.
?
What will be an ideal response?
Mathematics