Average formula: Let a1‚a2‚a3‚......‚an be a set of numbers‚ average = (a1 + a2 + a3‚+......+ an)/n Fractions formulas: Converting a mixed number to an improper fraction: Converting an improper fraction to a mixed number: Formula for a proportion: In a proportion‚ the product of the extremes (ad) equal the product of the means(bc)‚ Thus‚ ad = bc Percent: Percent to fraction: x% = x/100 Percentage formula: Rate/100
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forced damped transverse vibration of a beam and verify Dunkerley’s empirical formula. According to Dunkerley’s empirical formula‚ 1f2=1fb2+1fω2 where f referring to the natural frequency of heavy beam with central load fb referring to the natural frequency of heavy beam only fω referring to the natural frequency of light beam with central load M By using the results of light damping‚ Dunkerley’s empirical formula would be studied and verified by comparing the calculated resonant frequency
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The Hubbart Formula Where would a hotel manager start in determining the fair price for a guest room? What is a fair value? This question has daunted innkeepers from the beginning. Charge rates too high‚ and no one will stay with you. Setting rates too low‚ and the owner makes less money. For many years in the beginning of the modern hotel era‚ hotel managers simply guessed. As unscientific as this approach sounds‚ it did work to an extent. After a hotel has been in business
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prevent buckling if the temperature range is -30Cº to +50Cº? I know I use the formula: L = LoT L = ? (Change in length of the slabs. We are solving for this.) = 12e-6 (Coefficient of expansion. I looked it up on page 388.) Lo = 14 m (Initial length of slabs.) T = 30 Cº (50Cº - 20Cº) (Change in temperaure. You only care about the hottest number since you are dealing with expansion.) I then had the formula: L = e14 m 30Cº L = .00504 m L = .50 cm The space between
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CHAPTER 1 ELECTRICAL FORMULAS OHM’S LAW/POWER FORMULAS R x I2 E x I P R P E E2 RxI R P I P x R E I P I E R E R P I2 E2 P P = Power = Watts R = Resistance = Ohms I = Current = Amperes E = Force = Volts 1-1 OHM’S LAW DIAGRAM AND FORMULAS E I E = I x R I = E ÷ R R = E ÷ I R Voltage = Current x Resistance Current = Voltage ÷ Resistance Resistance = Voltage ÷ Current POWER DIAGRAM AND FORMULAS P E I = P ÷ E E = P ÷ I P = I x E I Current = Power ÷ Voltage
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Heron’s Formula History of Mathematics University of Phoenix October 22‚ 2012 The event that I chose to discuss is Heron’s method that was written about in the three book series called metrica discovered in the period of about 60 AD. His formula for calculating the area of a triangle was one of the formulas which was written about in the books. Heron of Alexandria was also very well known by Hero. Their has been much debate on the birth
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Impact of the One Child Policy Elana Kopelman As a country’s population grows‚ the demand for resources such as food‚ water‚ and housing increases. However‚ every country has limited resources to provide for its population. When China was faced with a booming population‚ the Communist Party knew that they had to preserve the country’s resources. As a solution‚ the One Child Policy was implemented in 1979 to stabilize China’s population. Despite this attempt for stability‚ the One Child Policy negatively
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China’s one child policy was established by Deng Xiaoping in 1979 to slow the rise of communist China’s exponential population growth. China is the world’s most populous country and its population will only continue to rise unless something is done about it. Some find it harsh and inhumane to limit the number of offspring‚ but China is doing this for its people. An unchecked population growth puts and enormous strain on resources and hampers economic development. China’s one child policy was necessary
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Title: Formula of a Hydrate. Objective: Determining the percentage of water and the chemical formula of a hydrate. Background: Water has a polar structure and it has positively and negatively charged parts within each molecule. This gives it a strong attraction toward ions. The ions in some salts attract and form strong bonds with water molecules. These salts‚ when they have absorbed water‚ are called hydrates. Anhydrous salts are salts that can form hydrates but which have had all the water
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One-child Policy Should Not be Abolished In the 1970`s‚ Chinese government implemented one-child policy for Chinese families to control the rapidly growing population (Zhang and Goza 2006). This policy‚ although passed into law for almost 40 years‚ has come under much heated debate on whether China should maintain it or abolish it altogether. Along with Chinese population structure changing‚ two social issues‚ population aging and imbalance of sex ratio arise and gradually become manifest. One-child
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