Numerade

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Fun random question: Is it good to recycle Styrofoam? Certainly some organizations take it, others refuse. What chemically makes Styrofoam difficult to recycle compared to soda bottles and milk jugs, and is it more efficient to produce new Styrofoam from recycled products or other materials? Are plastic shopping bags (banned by some communities) in a similar situation?

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Question 1 (1 point) Saved Listen An example of an activity that creates a negative consumption externality is a) logging, which pollutes rivers. b) locating beehives next to an orange orchard. c) smoking, which harms the health of a bystander. d) flu vaccination.

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Find the area of a rectangle with sides $x + 7$ and $x - 9$. $A = $

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Mary Jo is taking the Thematic Apperception Test (TAT). She is looking at Multiple Choice pictures. numerical problems. inkblots. sentences.

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1. The total cost (in dollars) to produce q units of an item is given by the function: $C(q) = 3.1q + 23000$ \ Find the total cost to produce $q = 1900$ units. \ (5 points)

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write the equilibrium expression got the following reaction: H3PO4 <----> 3H+ + PO4 -3

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12. A company produces three products $ P, Q $ and $ R $ whose prices per unit are 3,5 and 4 respectively. One unit of product $ P $ requires 2 units of $ m_{1} $ and 3 units of $ m_{2} $. One unit of product $ Q $ requires 2 units of $ m_{2} $ and 5 units of $ m_{3} $ and one unit of product $ R $ requires 3 units of $ m_{1}, 2 $ units of $ m_{2} $ and 4 units of $ m_{3} $. The company has 8 units of material $ m_{1}, 10 $ units of material $ m_{2} $ and 15 units of material $ m_{3} $ available to it. (i) Formulate the problem mathematically. (ii) Use simplex method to find how many units of each product should be produced to maximizc revenue ? [Delhi Univ. B.Com. (H) 1985]

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x(t) 2A A t initial rest 0 $\frac{\tau_o}{4}$ $\frac{\tau_o}{2}$ $\frac{3\tau_o}{4}$ $\tau_o$ $\frac{5\tau_o}{4}$ $\frac{3\tau_o}{2}$ $\frac{7\tau_o}{4}$ $2\tau_o$ -1 1. Draw the extension of x(t). Should cosines or sines be used to find the general expression Fourier coefficients. 2. Find the Fourier coefficients for the sine, cosine or both of the Fourier series. x(t) = $\sum_{m=0}^{\infty} a_k \cos(m\omega_o t)$ and / or x(t) = $\sum_{b=1}^{\infty} b_k \sin(n\omega_o t)$

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5) Given the equation $z = f(x,y) = ln(x^2 + 2y^2 + 1)$ with the change of variables $x = 3 - t^2$ and $y = 4t - t^3$, use the chain rule to find the derivative $rac{dz}{dt}$ at $t = 1$: Now find the equation of the tangent line at $t = 1$, then graph: (hint: use velocity vector)

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Problem 10.1.4. suppose that $S = [a, b] \times \{0\}$ is a closed line segment in $\mathbb{R}^2$. Show that $\mathcal{H}^1(S) = b - a$. Hint: See Exercises 9.3.8, 9.3.9 and 9.3.11.

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lisa c.