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dustin frey

dustin f.

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Calculate the following and simplify your $$ \frac{2 \cdot |-1-4|}{3-5} $$

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Problem 6. (a) Let $ABC$ be a right isosceles triangle with the right angle at $B$. Pick any point $D$ that lies strictly inside the triangle on the angle bisector of angle $B$. Prove that angles $ADB, ADC$ and $BDC$ are obtuse. (b) Is it possible to cut a square into a few obtuse triangles? If it is possible, show how and explain why the triangles you get are obtuse.

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1. So, what is the difference between luminous flux, luminous intensity, illuminance, and luminance? Find out the definitions of these quantities and the units they are measured in, and share with your classmates. 2. Now that you understand the measurement terms, how are these quantities actually measured? What device is used to detect the light? How is the reading of that detector converted into something like lumens? Find out and share with us. (Don't say lumens are measured using lux meters. That's not a meaningful answer. You need to find out how a lux meter works i.e. what detector it uses and how that detector reading is converted into lumens!) 3. Another question, what forms a calibration source for light measurement? How do you supply a known quantity of light? 4. Finally, can you think of some application of light measurement that would be helpful for you personally?

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For the following mechanism NO (g) + NO (g) $\overset{k_1}{\underset{k_{-1}}{\rightleftharpoons}}$ N$_2$O$_2$ (g) (fast equilibrium) N$_2$O$_2$ (g) + O$_2$ (g) $\overset{k_2}{\longrightarrow}$ 2 NO$_2$ (g) (slow) the rate law is a. rate = $k_2$[N$_2$O$_2$][O$_2$] b. rate = $k_1$[NO]$^2$ c. rate = $k_1$[NO]$^2$ - $k_{-1}$[N$_2$O$_2$] d. rate = $k_2 \frac{k_1}{k_{-1}}$[NO]$^2$[O$_2$] e. cannot be determined

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Suppose you postpone consumption so that by investing at 5% you will have an extra $500 to spend in one year. Suppose that inflation is 2% during this time. What is the approximate real increase in your purchasing power? $200 ? $300 ? $500 ? $800

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Descartes thinks it is important to prove the existence of God because... A otherwise many people would not believe. B you should not trust the Bible to tell you the truth. C otherwise you couldn't be sure of anything but your own existence. D it is an essential bulwark for a pious life.

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Question 37 7 pts Assuming an equal rate of productivity, if serfs worked their own plots of land 3 days a week and the lord's land 4 days a week, the Marxian rate of exploitation would be _____. (Use two decimal places, e.g. 0.99)

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Experimental embryology arose from a desire amongst scientists to understand the factors that shape the embryo and drive the formation of its characteristic parts. O True O False

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Question 9 1.25 pts Which of the following is NOT one of the universal precautions? Never perform any type of invasive procedure Wash hands immediately if contaminated with blood Refrain from direct patient care if you have open lesions Use barrier protections such as gloves

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L: Hey dude, did you understand what that guy was saying? Man, he's so boring. K: That guy is so confusing, one minute he talks about Bandura, the next minute he talks about Zuma. L: Where do parliament and theorists mix? K: Where did this guy even get his degree from? Probably from Pick'n Pay or Shoprite. (a) The functional speech variety used in the conversation is informal language or slang. This is evident in the use of expressions like "bro," "tjo," and "ya" instead of more formal language. (b) i. L: Yo dude, did you catch what that dude was saying? Man, he's such a snooze. K: That guy is so all over the place, one minute he's on about Bandura, the next he's on about Zuma. L: Where do politicians and academics intersect? K: Where did this guy even earn his degree from? Probably from a grocery store. ii. Standard form: - dude (informal term for a man) - snooze (boring) - intersect (to meet or cross paths)

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