Numerade

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What is the pH of a solution formed when 0.301 L of 3.04 M is mixed with 0.829 L of pH = 14.2619 NaOH?

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Question 17 of 40 1 Points Find / Vind n({a, b, c, d, ..., m}) A. 12 B. None of the options / Geeneen van die opsies nie C. 5 D. Infinity / Oneindig E. 13 Reset Selection

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6. Assume a normally distributed population of resting heart rates with \mu = 76 and \sigma = 5. j. What is the probability of randomly selecting someone whose heart rate is below 53? k. What is the probability of randomly selecting someone whose heart rate is either above 80 or between 72 and 75? l. What is the probability of randomly selecting someone whose heart rate is either above 80, below 69, or between 73 and 77?

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Pronghorn Corp reported net sales $675,000, cost of goods sold $438,750, operating expenses $154,000, and net income $69,525. Calculate the profit margin and gross profit rate. (Round Profit margin answer to 2 decimal places, e.g. 10.20%. Round Gross profit rate answer to 0 decimal place, e.g. 10%). Profit margin % Gross profit rate %

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Simplify the rational expression. \frac{3x-2}{4-9x^2} Select the correct choice below and fill in any a

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16. Set up an iterated integral for the volume of the solid bounded by the planes $x = 0$, $y = 0$, $z = 0$ and $x + y + z = 9$. 17. Set up an iterated integral for $\iiint_B z dV$ over the box $[0, 1] \times [0, 2] \times [0, 3]$ in rectangular coordinates.

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Determine the number of different spanning trees for the graph.

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Name: Q4 (6) Draw the symbol and describe in words each of the following valves: a) b) c) 2 12 3 1 14 5 4 1 2 3 12 2 1 or 3

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1. (tuning) For each of the following plants design a controller using the tuning procedures taught in lecture (use a different procedure for each one). Also hand in screenshots of the open-loop and closed-loop responses to a unit step. \begin{align*} G_1(s) &= \frac{1}{s(s+3)(s^2+6s+64)}\\ G_2(s) &= \frac{50(s^2+2s+2)}{(s+10)(100s^2+20s+1)}\\ G_3(s) &= \frac{1}{s^2+2s+2} \end{align*}

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Evaluate the given integral along the indicated contour.\\ $\int_C (z + 5) dz$, where C is $x = 2t$, $y = 7t - 1$, $1 \le t \le 3$

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francisco l.