Numerade

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calculate the pH of the resulting solution when 100mL of 0.5M NH3, 50ml of .3M HBR, 50ml of .3M KOH, and 100ml of .3M NH4CI are added together. The kb of NH3 is 1.8x10^-5

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A personal chef charges $130 per meal; her monthly expenses are $3200. How many meals must she sell in order to make a profit of at least $2700 ? she needs to sell Select an answer meals.

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Mufulira slag dump has 14 tonnes of material at average grade of 1.18 and 0.48 weight \% copper and cobalt. Determine the expected gross revenue copper and cobalt are extracted at an efficiency of 80 and $ 70 \% $, respectively. Assume the price of copper and cobalt is 9,100 and 24,900 USD per tonne? [6 marks]

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Web browsers render what code written in what language? Java Structured English COBOL HTML C++

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What is Thoreau's imagined ratio of "patrons of virtue" to the "virtuous man"? Question 11 options: 500/1 10/1 999/1 99/1

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Based on the above labeled spinal tract (red), which of the following muscles would you expect to receive input through: Group of answer choices Rectus abdominis (trunk flexor) Iliocostalis (back extensor) Longissimus (back extensor) Quadriceps (knee extensor)

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Consider the rational function $f(x) = \frac{8x + 14}{2x - 12}$. a. What monomial expression best estimates the behavior of $8x + 14$ as $x \to \pm \infty$? b. What monomial expression best estimates the behavior of $2x - 12$ as $x \to \pm \infty$? c. Using your results from parts (a) and (b), write a ratio of monomial expressions that best estimates the behavior of $\frac{8x + 14}{2x - 12}$ as $x \to \pm \infty$. Simplify your answer as much as possible.

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Factor? Trail Rescue workers Emergency service personnel Fire department personnel

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This is my last part of my lab report. I need help with this parts. Pls 18.Set the resistor value to 0.4 and the voltage to 0 V 19. [5 pts] Increase the voltage until the ammeter reads approximately 10, 15, 20, 25, and 30 A and note the corresponding voltage Table 2:Voltage (Vvs.Current.SAVE YOUR GRAPH Current (A) Voltage (V) 10 15 20 25 30 20.[6 pts]Make a graph of Voltage (Vvs.Current (A.SAVE YOUR CHART. 21. [4 pts] Compare the curve of the graph you made in step 9 with this one. Why are they different?

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Let A and M be $n \times n$ matrices. If $AM = 4I_n$, then $M^{-1}$ does not exist None of the mentioned $\frac{1}{4}A$ $4A$

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gregory s.