Finding an Angle in a Right Angled Triangle You can find the Angle from Any Two Sides We can find an unknown angle in a right-angled triangle‚ as long as we know the lengths of two of its sides.  Example A 5ft ladder leans against a wall as shown. What is the angle between the ladder and the wall? (Note: we also solve this on Solving Triangles by Reflection but now we solve it in a more general way.) The answer is to use Sine‚ Cosine or Tangent! But which one to use? We have a special
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FINDING AND EVALUATING FREIGHT FORWARDERS This is a team assignment to be prepared in groups of 3-4 students. Some‚ probably not all but this depends on timing‚ may be asked to present your findings to the group. Presentations should be scheduled for roughly 5 (at most 10) minutes. Growth in international trade has increased the importance of logistics and international transportation as strategic tools for achieving competitive advantage. One solution is to take advantage of the services of a
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Name Lab‚ Week #1 BALANCE LAB Introduction Several instruments are used for determining the mass of a chemical; these instruments are called “balances.” However‚ different balances have different measurements‚ meaning that some balances are more accurate than others. Moreover‚ there are several techniques that are used or practiced in order to obtain an accurate measurement. The two techniques are direct weighing and weighing by difference. Direct weighing simply means to read the mass
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56 4. To study the flower‚ count the number of sepals & petals in the flower is trimerous or pentamerous. 5. Remove the seed coat and count the number of cotyledons is mono cotyledon or dicotyledon. 6. Take a transverse section of ovary and count the number of carpels ie bicarpillary or tricarpellary. 57 Observations : Observe the important features that distinguish a monoct and a dicot plant and list the features of difference between than in the table given below. S. No. 1. 2. 3. 4. 5.
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Finding the Ratio of Moles of Reactants in a Chemical Reaction Purpose: The goal of the lab is to determine the mole ratio of two reactants in a chemical reaction (AgNO3 and K2CrO4). However‚ the formulas for the products are unknown. Introduction: When determining the molar ratio of a chemical equation‚ usually the formulas of the reactants and the products are known. With that information‚ it is particularly easy to determine the ratio. However‚ since the products and the formulas for
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made‚ but there are still questions related to this that are needed to be answered. To bring more clarifications in this aspect‚ Marco Ennemoser and Wolfgang Scheider conducted the study entitled “Relations of Television Viewing and Reading: Findings From a 4-Year Longitudinal Study”. As stated in the article‚ the study aims to determine the long-term effects of television viewing on the development of children’s reading competencies. After conducting scientific processes and methods among German
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After all data analyzing‚ we obtain the information of youngsters who are between the ages of 15 – 26 as below: Personal Information : The interviewees are including 50% of gentle and 50% of ladies for questionnaire and product test both. Most of them are about 15 – 17and 21 – 23 years old‚ so the education levels are mainly secondary and tertiary. Their occupations are chiefly student and clerk. The others include sales‚ professional‚ etc. And their incomes are majorly not more than $4000 or
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Centralia No. 5: A Mine Disaster No One Stopped The Centralia Mine opened in 1907 and remained free of fatal accidents for decades (Walker‚ 2006). By the 1940’s mine inspectors began reporting excessive coal dust in the mines and also provided recommendations. In March 25‚ 1947‚ the Centralia No. 5 coal mine exploded near the town of Centralia‚ Illinois‚ killing 111 people. The explosion was caused when an under burdened explosive detonation ignited coal dust. The explosion of this mine should
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The Blast in Centralia No. 5 by John Bartlow Martin highlights multiple failures in public administration. In this case study Bartlow reviewed how government operated during the 1940’s. In this paper I will touch on a few issues or concerns that were widespread during the 1940’s. I will explain alternative methods that could have been implemented to create change in a period when corruption and lack of oversight was widespread. Logistical Alternatives Four Logistical alternatives Scanlan could
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Lab 22: 4-Methylcyclohexene Abstract: We treated 4-methylcyclohexanol with phosphoric acid‚ and after purification we produced the end product 4-methylcyclohexene. We determined we had a pure product based on the results of the tests with Br2 and KMnO4‚ as well as the IR absorbtion spectrum of the final product. Purpose: The purpose of this experiment is to obtain pure 4-methylcyclohexene by reacting 4-methylcyclohexanol and phosphoric acid. Through distillation
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