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jewelry supplier has a supply of pairs of earrings of which 40% are platinum pairs. A jewelry store orders five sets of earrings from this supplier. If the supplier selects the pairs of earrings at random, what is the chance that the jewelry store gets exactly two sets of platinum pairs?
A kite 100ft above the ground moves horizontally at a speed of 8fts. At what rate is the angle between the string and the horizontal decreasing when 200ft of string have been let out?
A poster is to contain 384 cm^2 of printed material. The top and bottom of the page are to have margins of 6cm and the sides are to have margins of 4cm each. what are the overall dimensions of the poster of least area?
A random sample of 20 items from the first population showed a mean of 100 and a standard deviation of 15. A sample of 16 items for the second population showed a mean of 94 and a standard deviation of 8.
Please show steps and give explanation so I can know how to do the other problems. I am mostly confused how to split up the number into manageable numbers that I know the specific value for. Like 30 degrees or 40 degrees.
Find the equation of the tangent line in slope intercept form of the curve given by: Sand is being poured on a conical pile at the rate of 12 cubic feet per minute, the height of the pile being three times its diameter throughout. At what rate is t..
the value of a graphing calculator is $225. after 2 years.the value of this calculator is $160. find the value of the calculator after 5 years.
Find an expression for the time he will take to get from A to B, in terms of theta.
Mr Tan wanted to sell his lamp. If he sell it at a discount of 10%, he will make a profit of $215. If he sell it at a discount of 20%, he will loss $170. How much was his original selling price.
Consider two cases: one in which the ball is not completely submerged and the other in which it is.
Please show each step of your solution and tell me the theorems, definitions, etc. if you use any. Find the errors E_ k and relative errors R_k for the values p1 in parts b) and c).
A constant force F= -3i + 8j +10k moves an object along a straight line from point (-6, -5, -4) to point (-3, 1, -6). Find the work done if the distance is measured in meters and the magnitude of the force is measured in Newtons.
Assume that for each type of system below there is at least one variable with a nonzero coefficient. Find the smallest and largest rank possible for the corresponding augmented matrix in each case.
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