Homework Answers Page 10543

• What is the inverse cosine of 0.55?

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  Geometry

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• What is the difference between accuracy and precision?

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  Chemistry

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• How do you solve ##(1/1000)^(-1/3)##?

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  Algebra

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• What is genotype expression ?

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  Biology

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• What is the the tangent of 4pi/3 using the unit circle?

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  Geometry

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• Why is price elasticity of demand always negative?

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  Economics

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• Why do primary alkyl halides generally undergo SN2 mechanisms?

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  Chemistry

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• What is the difference between the Pythagorean Theorem and Pythagorean Triples?

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  Geometry

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• How do you express ##x^(4/3)## in simplest radical form?

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  Algebra

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• What is the standard enthalpy of the reaction CO+H2O --> CO2+H2?

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  Chemistry

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• What is the difference between divisor, dividend, nominator, and denominator?

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  Algebra

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• Why are tundra plants usually small?

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  Science

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• Is y=3x a direct variation and if so, what is the constant?

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  Algebra

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• What is the correct punctuation when I use the phrase ‘such as’ in a sentence?

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  English

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• What is the difference between enriched media and enrichment media?

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  Biology

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• What products are fomed from when ethyl propanoate an ester of relatively low molecular weight is hydrolysed by aqueous sodium hydroxide ?

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  Chemistry

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• How do you convert a length of 17.0 m to inches?

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  Physics

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• What is the prepositional phrase in the sentence: "Scrooge puts his key in the door's keyhole."?

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  English

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• What are bronchial tubes?

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  Psychology

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• Who were the kulaks?

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  History

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• Methyl isonitrile, CH3NC, isomerizes when heated to give acetonitrile (methyl cyanide), CH3CN CH3NC (g) -> CH3CN (g) The reaction is first order. At 230 ºC, the rate constant for the isomerization is 6.3 x 10-4 /s. a) What is the half-life?

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  Chemistry

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• How many core electrons are in Iodine?

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  Chemistry

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• You count 74 CFU on a pour plate. The plate was prepared by spreading 0.2 mL of a 1:10,000 dilution of the original sample. What was the density of the original culture (in cells/mL)?

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  Chemistry

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• How do pili help bacteria?

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  Biology

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• Why did President Jefferson have doubts about buying the Louisiana Territory?

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  History

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• What are ribosomes made of?

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  Biology

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• What are the pros and cons of animal dissections in schools?

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  Biology

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• What is the difference between a food chain and energy pyramid?

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  Environmental Science

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• How many light years away is the sun?

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  Science

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• What is dissociation?

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  Chemistry

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• By what factor would your weight change if Earth's diameter were tripled and its mass were tripled?

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  Physics

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• How big is earth compared to other objects in the solar system?

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  Science

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• What is the surface area to volume ratio of a sphere?

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  Geometry

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• What are the three commonly used temperature scales and how are they different?

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  Chemistry

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• What are sister chromatids?

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  Biology

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• ##[Cr(NH_3)_6][(NO_3)_3]## Number of elements? Number of atoms per element? Total number of atoms in compound?

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  Chemistry

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• What is an experiment in that all factors are identical except the one being tested?

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  Chemistry

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• How do phloem and xylem work together?

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  Biology

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• What is the square root of 1600?

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  Algebra

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• What is the molar mass of H20?

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  Chemistry

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• Why is HNO3 a strong acid?

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  Chemistry

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• Why is the ionization energy of neon higher than sodium in regards of periodicity?

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  Chemistry

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• How do you find the inflection point of a logistic function?

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  Calculus

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• What is "cell drinking?"

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  Biology

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• What are some examples of biogeochemical cycles?

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  Biology

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• What was the purpose of the invasion of Grenada?

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  History

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• Is salt an element, a compound, a homogenous mixture, or heterogeneous mixture?

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  Chemistry

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• What are some examples of dicots?

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  Biology

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• What is the Koran, and what role did Muhammad play in its creation?

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  History

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• What will be the atomic number of helium ion? 1 or 2?

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  Chemistry

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