Numerade

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Find the dimensions of the rectangle of largest area that can be inscribed in a circle of radius $r$. List the dimensions in non-decreasing order (the answer may depend on $r$). $\frac{r}{\sqrt{2}}$ $\frac{r}{\sqrt{2}}$

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Which database model originated in the 2000s for handling semi-structured and unstructured data? The relational model The XML hybrid model The NoSQL model The OODBMS model

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Determine at what minimum value of the stimulus an action potential is generated. Why is

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List any 5 addressing modes supported by microprocessors and a memory access pattern for which each addressing mode will be advantageous.

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11.2 Accounting for Common, Preferred, and Treasury Stock A-Team Corporation issued 1,000 shares of $5 par value stock for land. The stock is actively traded at $9 per share. The land was advertised for sale at $10,500. The land should be recorded at $9,000.

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A researcher is interested in whether the phonics method of teaching reading is more or less effective than the sigh method, depending on the grade of the child. Twenty kids from each of three grades (Kindergarten, 1st, or 2nd) and from each of two teaching methods (phonics or sigh) completed a reading comprehension test. Is there a difference in reading comprehension by grade and teaching method? ___________ is the dependent variable in this problem. ___________ is the independent variable in this problem. ___________ is the appropriate statistical test to use for this problem.

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Problem 4: 25 Points (Hint: Lecture 5B Chebysheff Matching) $Z_L = 125\Omega$ $Z_{in} = Z_0 = 50\Omega$ $\omega_q = 1.2 \text{radians/sec}$ $F_0 = 3GHz$ Number of $\lambda/4$ sections = 3 Design a Chebysheff matching network Find: $\Gamma$ Draw the schematic (preferably in AWR) Plot the magnitude of S11 in a Rectangular format

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Q2: Answer one of the following questions: (20 mark) i. Determine the magnitude of the resultant force and its direction, measured counter-clockwise from the positive (x-axis). ii. Determine the magnitude of the resultant force acting on the pin and its direction measured clockwise from the positive (x-axis).

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1. What is the mass percentage of oxygen in a sample containing 7.00g of sulfur and 28.00g of oxygen? 2. How many atoms of hydrogen are in a sample of ammonium cyanide containing 16.0 * 10^-21 g of nitrogen? 3. What is the mass percentage of fluorine in sulfur hexafluoride? 4. What is the mole percentage of carbon in Iron(II) acetate? 5. What is the mole percentage of nitrogen in a sample containing 30.0g of nitrogen and 16.0g of chlorine? 6. A 45.0g sample was found to consist of 65.0% carbon by mass. Calculate the mass of carbon in the sample. 7. A 47.6g sample was found to consist of 35.0% oxygen by mass with the remaining mass being calcium. Calculate the mass of calcium in the sample. 8. A 13.5g sample was found to be 45.0% sulfur by mass. Calculate the moles of sulfur in the sample. 9. A 5.65g sample was found to consist of oxygen, nitrogen, and hydrogen. The sample is 5.00% hydrogen and 20.0% nitrogen by mass. Calculate the moles of oxygen in the sample.

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Assume that the shaft above is made of SAE 1020 cold drawn steel and that the dimensions are the same. Calculate the endurance strength, S'n, of this shaft. Assume a reliability of 99%.

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