Numerade

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(1 point) Compute the line integral of the vector field $F = (5y, -5x)$ over the circle $x^2 + y^2 = 64$ oriented clockwise $\int_C F \cdot ds =$

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A balloon contains 8.1 L of oxygen gas at 30°C and 1.6 atm. If the pressure remains constant, calculate the volume (L) of gas at 55°C. Enter your answer with no units.

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suppose that the price of a kilo of bananas drop from 4.4 to 2

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suppose x and Y are inde pendent with pdf's Find (a) P(x<0.2,y<0.6), (b) mu _(x),mu _(y),E(xy),cov(x,y) Solve in detail please and don't use any software only calculators and tables if needed. 1. suppose X and Y are inde pendent with pdf's [3x20x1 fx(x) : otherwise 2y 0y1 fy(y)= 0otherwise Find (a) P(x<0.2,y< 0.6), (b) x, y ,E(xy),cov(x.y)

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Which of the following can cause permanently or cumulatively affected potency of a vaccine, freezing or high temperature? Question 17 options: Freezing High temperature Both

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The random variable x represents the number of computers that families have. The following table shows the possible values of x along with their corresponding probabilities. X 0 1 2 3 4 P(x) 0.15 0.42 0.33 0.08 0.02 Use the probability distribution table to find the mean number of computers that families have. ? 1.8 ? 1.4 ? 2.0 ? 0.2 ? 2.5

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P(x) = x^7 + 7x^6 + 21x^5 + 35x^4 + 35x^3 + 21x^2 + 7x + 1

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The present value of $140,000 to be received in five years at an interest rate of 16%, compounded annually, is $66,654. Required: Using a present value table (Table 6-4 and Table 6-5), calculate the present value of $140,000 for each of the following items (parts a- f) using these facts: Note: Use the appropriate value(s) from the tables provided. Round your PV factors to 4 decimal places and final answers to the nearest whole dollar. a. Interest is compounded semiannually. b. Interest is compounded quarterly. c. A discount rate of 12% is used. d. A discount rate of 20% is used. e. The cash will be received in three years. f. The cash will be received in seven years. a. Present value b. Present value c. Present value d. Present value e. Present value f. Present value

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Problem 9 Situation: An air stream contains 10% of a contaminant. Ninety percent of the contaminant is to be removed by absorption in water. Henry's law with a slope of 1.485 describes the phase equilibrium. Design for a molar flow rate of absorbent liquid 20% higher than the minimum. Requirements: Please, determine the number of ideal stages if the absorbent liquid is: (a) Pure water. (b) Water containing 0.1, 0.3, 0.5 and 0.65% contaminant.

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120 100 190 100 130 110 90 30 20 10 Supply Demand ? 2 4 6 8 10 12 16 16 18 20 22 24 26 20 30 ????? Refer to the Figure. At the equilibrium price, consumer surplus is a) $1,600. b) $1,400. C) $700. d) $800.

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patty m.