Represent the radical as a radical with a smaller root index. Assume any variables represent nonnegative values.
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B. 
C. 
D. 
Answer: B
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Find T, N, and B for the given space curve.r(t) = (ln(cos t) + 2)i + 8j + (3 + t )k, -?/2 < t < ?/2
A. T = (sin t)i + (cos t)k; N = (cos t)i - (sin t)k; B = -j B. T = (sin t)i + (cos t)k; N = (cos t)i - (sin t)k; B = j C. T = (-sin t)i + (cos t)k; N = (-cos t)i - (sin t)k; B = -j D. T = (-sin t)i + (cos t)k; N = (-cos t)i - (sin t)k; B = j
Solve the problem.To approximate the speed of a river, a circular paddle wheel with radius 0.63 feet is lowered into the water. If the current causes the wheel to rotate at a speed of 9 revolutions per minute, what is the speed of the current? If necessary, round to two decimal places.
A. 35.63 mph B. 0.4 mph C. 0.2 mph D. 0.06 mph
Solve the problem.The one-day temperatures for 12 world cities along with their latitudes are shown in the table below. Make a scatter diagram for the data. Then find the line of best fit and graph it on the scatter diagram.
Latitude (degrees)
Temperature (F)°
What will be an ideal response?
Graph the function.y = -3 cos
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B. 
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D. 