Fire triangle‚ also called as combustion triangle‚ illustrates the three components a fire needs to ignite: a heat source‚ fuel‚ and oxidizing agent. A fire can be prevented or extinguished by removing any one of the elements in the fire triangle‚ which is the essential method for firefighters to suppress the flames. Fires are often caused by natural means (such as lightning)‚ static electricity or energy sources‚ but most fires in buildings are caused by human error. The American Red Cross says
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* Fold the paper (or the 1/2 sheet of newspaper) in half | | * Fold down each side to make triangles | | * At the bottom fold the top strip upward on the red line. | | * Fold the two small triangles on the left and on the right backwards to make them disappear. | | * Turn the paper over and fold the other lower strip upwards. You have formed the well known paper hat. (if you’re finding the origami too challenging with a group of kids‚ you can always just stop here and wear your
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Exercise 7.3 (Solutions) MathCity.org Calculus and Analytic Geometry‚ MATHEMATICS 12 Merging man and maths Available online @ http://www.mathcity.org‚ Version: 1.0.0 Question # 1 ˆ j ˆ (i) u = 3i + ˆ − k ‚ ˆ j ˆ v = 2i − ˆ + k u = (3)2 + (1) 2 + (−1)2 = 9 + 1 + 1 = 11 v = (2) 2 + (−1)2 + (1)2 = 4 + 1 + 1 = 6 ˆ j ˆ u ⋅ v = 3iˆ + ˆ − k ⋅ 2i − ˆ + k j ˆ ( )( ) = (3)(2) + (1)(−1) + (−1)(1) = 6 − 1 − 1 = 4 u ⋅ v = u v cosθ Now ⇒ cosθ = u⋅v u v 4
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Chapter 8- Circular Measure Additional Mathematics Module Form 4 SMK Agama Arau‚ Perlis CHAPTER 8- CIRCULAR MEASURE 8.1 RADIAN 1. In lower secondary‚ we have learned the unit for angle is degree. In this chapter‚ we will learn one more unit for angle that is radian. P r O 1 radian r Q 2. When the value of the angle 1 radian‚ then the length of the arc is equal to the length of the radius. 3. From this information‚ we can deduce that: r 1 rad r = 360 2πr 1 rad = r 2πr × 360 2π rad
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Worksheet One Rhetorical questions activity Read each question and decide whether it is rhetorical or not. 1. Are you planning to talk all lesson young lady? Rhetorical/Not rhetorical 2. How many people are having a school dinner today? Rhetorical/Not rhetorical 3. Is there any need to talk so loudly? Rhetorical/Not rhetorical 4. Does anyone need to
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n=0 n=1 n=2 n=3 n=4 n=5 n=6 a bn 1 1 1 1 1 1 1 1 2 3 4 1 3 6 1 4 1 5 10 10 5 1 6 15 20 15 6 1 This triangular array of coefficients is called the Pascal’s Triangle. When n is small‚ the use of Pascal’s triangle is advantageous. However‚ if n is large or a specific term is desired‚ the use of Binomial Theorem is more appropriate. Definition : THE BINOMIAL THEOREM The Binomial Theorem provides a formula for expanding expressions
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English for many years‚ he used many interesting comments to writes “English Is a Crazy Language‚” the opening chapter of his book. In the sixth paragraph of the essay “English Is a Crazy Language‚” the author‚ Richard Lederer uses many kinds of rhetorical techniques. The use of these techniques makes the entire paragraph more entertaining and easy to read and let the readers know how important the English language is. At the beginning of paragraph 6‚ the first sentence‚ “Language is like the air
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first cruise. I brought my friend‚ Mariah‚ along with me for my first experience. We are on our way to Puerto Rico from Florida‚ which means we will be going through the Bermuda Triangle. There have been a lot of rumors about people disappearing or being transported into the future when they go through the Bermuda Triangle. I did not believe the rumors‚ but as we board the ship they are constantly running through my head. Mariah gives me a drink of water and assures me that nothing is going to happen
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around people. Some where else I would like to go is the tiny island of Bermuda. Ever since I can remember I have wanted to go to the Bermuda Triangle. I’m not really sure why I want to go to Bermuda and the Bermuda Triangle‚ but it is some where I would like to go. I have always thought that the mysteries‚ and the stories about the triangle is very interesting‚ and now I want to got there. The other place that I want to travel to is Fiji. I would like the chance to go there because
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passionate and carefully articulated as this one‚ a Q & A every thirty seconds would drown out his point among all of the redundant tangents the conversation could take off in. Instead‚ Wiesel took the approach of using the figurative devices of asking rhetorical questions and setting up allusions to make his argument relatable‚ understandable‚ reliable‚ and most
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