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The minute hand on a watch is 6 mm long and the hour hand is 3 mm long. How fast is the distance between the tips of the hands changing at one o'clock? (Round your answer to one decimal place.)
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calc the revenue in dollars for producing x chairs is given by r(x)=50 and the cost to produce the chairs is given by x(x)=.001 x^3-.1x^2+12x+1500. Find the production level that will maximize the profit.
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four pairs of data yield r=0.942 and the regression equation y = 3x. also, y = 12.75. what is the best predicted value of y for x = 2.9?
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Find the critical points of f(x) = x5/3 - 5x2/3
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A rectangular swimming pool 60 ft long, 10 ft wide, and 12 ft deep is filled with water to a depth of 11 ft. Use an integral to find the work required to pump all the water out over the top. (Take as the density of water \delta = 62.4 \hbox{lb/ft}^3.)
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Integrate Z^(1/3) in the complex plane from i to 2 in the Principal brach
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my question is graph the function over a one-period interval y=1/3sin(2x-pi)+2
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A street light is at the top of a 13 ft pole. A 6 ft tall girl walks along a straight path away from the pole with a speed of 7 ft/sec. At what rate is the tip of her shadow moving away from the light (ie. away from the top of the pole) when the girl is 40 ft away from the pole?
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f(x)=2x+3x usin regular falsi method
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4x2-4x-3
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- 1. I’m having problems with my math. Can you help me? All I need is an example just to make sure I'm on track.
- Solve the following
- a) 3/(n+1)-1/(n+1)=14/(n^2-1)
- b) 1/(y-1 )+y/(1-y)
- c)4/(x-5)-3/(x+2)=28/(x^2-3x-10)
- d) (x-2)/(8x-24)*(5x-15)/(x^2 -4)
- e) z/(z-1)+1/2=3/z
- f) (x-3)/(x^2+2x-15)-(4-x)/(x^2-9x+20)
- 2. How do I set up this problem? An exam contains five "true or false" questions. How many of the 32 different ways of answering these questions contain 3 or more incorrect answers?
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