Write the fraction in simplest form.
A.
B.
C. 11
D.
Answer: A
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Solve the problem.From a thin piece of cardboard 20 in. by 20 in., square corners are cut out so that the sides can be folded up to make a box. What dimensions will yield a box of maximum volume? What is the maximum volume? Round to the nearest tenth, if necessary.
A. 10 in. × 10 in. × 5 in.; 500 in3 B. 13.3 in. × 13.3 in. × 3.3 in.; 592.6 in3 C. 13.3 in. × 13.3 in. × 6.7 in.; 1185.2 in3 D. 6.7 in. × 6.7 in. × 6.7 in.; 296.3 in3
Provide an appropriate response. A rental car costs $20 for a day plus $0.25 per mile. Write a function that represents the cost of the car for a single day if x represents the number of miles and f(x) represents the car rental cost.
A. f(x) = 20x + 0.25 B. f(x) = 0.25x C. f(x) = 0.25x + 20 D. f(x) = 20.25x
Solve the logarithmic equation.ln(4x - 5) = ln 5 - ln(x - 1)
A.
B. ?
C.
D.
Find the exact value of the expression. Do not use a calculator.cot 45° - sin 60°
A.
B.
C. -
D.