Express the number as an equivalent decimal. Use bar notation for repeating decimals.
A. 4.7
B. 0.47
C. 0.36
D. 0.047
Answer: B
Mathematics
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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) = sin-1(7t)i + ln(2t2 + 1)j + 
k
A. 
B. 
C. 
D. 0
Mathematics
Solve the problem.If a boat uses 24 gallons of gas to go 71 miles, how many miles can the boat travel on 96 gallons of gas?
A. 568 mi B. 284 mi C. 17 mi D. 304 mi
Mathematics
Classify the angle as acute, obtuse, straight, or right.
A. Right B. Obtuse C. Straight D. Acute
Mathematics
Use graphical methods to find all real solutions to the following equation. Express solutions rounded to the nearest hundredth.x4 - 9x2 + 20 = 0
A. {-1, 2.71, -2.71} B. {5, -5, 4, -4} C. {2.24, -2.24, 2.00, -2.00} D. {2.24, 2.00}
Mathematics