Solve the problem.Estimate the minimum number of subintervals needed to approximate the integral
with an error of magnitude less than 10-4 using the Trapezoidal Rule.
A. 13
B. 26
C. 50
D. 200
Answer: C
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Use percents, percent equations, and/or percent proportions to solve the application.Ms. Robert bought a house five years ago for $220,000. Today it is valued at $210,000. Find the percent decrease in value of the house.
A. 4.8% B. 95.5% C. 2,100% D. 4.5%
Multiply. Write the answer in simplest form.1
? 
A. 2
B. 
C. 1
D. 
Solve the problem.A boat on a river goes 77 miles downstream in 2 hours and 45 minutes. The return trip takes 3 hours and 30 minutes. If the boat's speed is the same in each direction, find the speed of the boat and the speed of the current.
What will be an ideal response?
Solve.John and Tony start from GraysLake at the same time and head for a town 10 miles away. John walks twice as fast as Tony and arrives 3 hours before Tony. Find how fast each walks.
A. Tony's speed = 3 m/h and John's = 6 m/h.
B. Tony's speed = 
m/h and John's = 
m/h.
C. Tony's speed = 
m/h and John's = 
m/h.
D. Cannot be determined with information given