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Classify each of the substances as an electrolyte or a nonelectrolyte. Electrolyte Nonelectrolyte Answer Bank table sugar most molecular solutes potassium iodide, KI a substance that forms an aqueous solution which does not conduct electricity sodium hydroxide, NaOH sodium chloride, NaCl a soluble ionic compound methanol, $CH_3OH$

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6. Spruce Co., in its first month of operations, purchased $300 of supplies on March 1 and debited Supplies Expense. At the end of the month, Spruce had $120 of supplies on hand. What account should Spruce debit and what dollar amount should it record in its March 31 adjusting entry?

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MULTIPLE-CHOICE QUESTION What is one way to summarize the concept of discriminant validity? Measures that do not represent all parts of the construct are not good measures. A measure probably is not reasonable if it does not sound reasonable. Measures of two unrelated constructs should not correlate strongly.

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Let f left parenthesis x right parenthesis equals 5 x squared plus B x minus 4, where B is a real-valued constant. Which of the following is the slope of the line tangent to f left parenthesis x right parenthesis when x equals 2? 6 plus 2 B 20 plus B 40 plus B 1 minus B B minus 30 41 minus 3 B 76 plus 4 B B minus 10

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It was determined that the area to the left of a given t value will be (1 − area to the right). Use the table to find the area to the right of t = 2.060 with 25 degrees of freedom. Degrees of Freedom Area to the right 0.20 0.10 0.05 0.025 0.01 0.005 21 0.859 1.323 1.721 2.080 2.518 2.831 22 0.858 1.321 1.717 2.074 2.508 2.819 23 0.858 1.319 1.714 2.069 2.500 2.807 24 0.857 1.318 1.711 2.064 2.492 2.797 25 0.856 1.316 1.708 2.060 2.485 2.787 According to the table, the area to the right of t = 2.060 is . Now find the area to the left of t = 2.060, rounding the result to two decimal places. (area to the left of t = 2.060) = 1 − (area to the right of t = 2.060) = 1 − = Step 3 It was determined that the area to the left of a given t value will be (1 - area to the right) Use the table to find the area to the right of t = 2.060 with 25 degrees of freedom. Area to the right Degrees of Freedom 0.20 0.10 0.05 0.025 0.01 0.005 21 0.859 1.323 1.721 2.080 2.518 2.831 22 0.858 1.321 1.717 2.074 2.508 2.819 23 0.858 1.319 1.714 2.069 2.500 2.807 24 0.857 1.318 1.711 2.064 2.492 2.797 25 0.856 1.316 1.708 2.060 2.485 2.787 According to the table,the area to the right of t = 2.060 is Now find the area to the left of t = 2.060, rounding the result to two decimal places. area to the left of t=2.060)=1-area to the rightof t=2.060) Submit Skip_(you cannot come back)

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Polar Coordinates 8.) Plot the point that has the given polar coordinates. Label each. (2-point each) a.) $\left(-4, -\frac{\pi}{6}\right)$ b.) $\left(6, \frac{8\pi}{3}\right)$ c.) $\left(-3, -\frac{7\pi}{3}\right)$ d.) $\left(2, -\frac{19\pi}{6}\right)$ e.) $(3, -2\pi)$

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1. Homework: Energy Read the following descriptions and indicate whether the objects' KE, PE and TME increases, decreases or remains the same (=). If it is impossible to tell, then answer ???. a. A marble begins at an elevated position on top of an inclined ruler and rolls down to the bottom of the ruler. KE: ?? = ??? PE: ?? = ??? TME:?? = ??? b. A marble is rolling along a level table when it hits a note card and slides to a stop. KE: ?? = ??? PE: ?? = ??? TME:?? = ??? c. A cart is pulled from the bottom of an incline to the top of the incline at a constant speed. KE: ?? = ??? PE: ?? = ??? TME:?? = ??? d. A physics student runs up a staircase at a constant speed. KE: ?? = ??? PE: ?? = ??? TME:?? = ??? e. A force is applied to a root beer mug to accelerate it from rest across a level countertop. KE: ?? = ??? PE: ?? = ??? TME:?? = ??? f. A pendulum bob is released from rest from an elevated position and swings to its lowest point. KE: ?? = ??? PE: ?? = ??? TME:?? = ??? g. A car skids from a high speed to a stopping position along a level highway. KE: ?? = ??? PE: ?? = ??? TME:?? = ???

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1. The following table shows the position s(t) in feet of an object moving along a line at time t over a 2-second interval. \begin{array}{c|ccccc} t & 0 & 0.5 & 1 & 1.1 & 2 \\ \hline s(t) & 0 & 20 & 40 & -10 & 30 \\ \end{array} (a) Find the average velocity of the object over the time interval [0.5, 2]. Include units in your answer. (b) We can often use the average velocity to approximate the instantaneous velocity at a specific time. Based on the information provided in the table above, which time interval can be used to give the BEST approximation of the instantaneous velocity of the object at time t = 1? What is the approximation?

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The area between f(x) and x axis is given by S1 = 8, S2= 10, S3 = 4, and S4= 3.Find ∫4,-2 f(x) dx = Find y f(x) S4 S2 S3 -3 -2 S1 4 -3

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MECHANICS OF MATERIALS: Home Work #7 Name: ; SID: Due Date: 17th November 2017 Important Instructions: 1. Carefully read each problem and understand the question. 2. Use engineering paper for all your workings and graphs. 3. Answer ALL Questions. 1. Knowing that the allowable normal stress for the steel used is 24 ksi, select the most economical S-shape beam to support the loading shown. 2. Knowing that the allowable normal stress for the steel used is 160 MPa, select the most economical S-shape beam to support the leading shown. 3. Draw the shear and bending-moment diagrams for the beam and loading shown, and determine the maximum absolute value of (a) of the shear, (b) of the bending moment.

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