Solve the problem.A 41-in. piece of string is cut into two pieces. One piece is used to form a circle and the other to form a square. How should the string be cut so that the sum of the areas is a minimum? Round to the nearest tenth, if necessary.
A. Square piece = 10.1 in., circle piece = 9.7 in.
B. Square piece = 0 in., circle piece = 41 in.
C. Circle piece = 9.9 in., square piece = 31.1 in.
D. Square piece = 9.9 in., circle piece = 31.1 in.
Answer: D
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Solve.Suppose two open flood channels have flow rates R1 and R2 given by R1 = 1500
and R2 = 2500
where R1 and R2 are in cubic feet per second and m1 and m2 are the slopes of each channel, respectively. Find R1 + R2 if m1 = 0.09 and m2 = 0.16
A. 1450 ft3/sec B. 535 ft3/sec C. 1550 ft3/sec D. 4000 ft3/sec
Add or subtract. Simplify by combining like radical terms, if possible. Assume all variables and radicands represent nonnegative numbers.
- 4
- 4
A. -19
B. -8
C. -8
D. -19
Rewrite the expression with a positive rational exponent. Simplify, if possible.(4p3/5q-1)1/2
A. 
B. 
C. 4p3/10q1/2
D. 2p3/10q1/2
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |-x|
A. 
B. 
C. 
D. 