Homework Answers Page 10664

• How do you find the linear correlation coefficient on Excel?

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  Precalculus

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• What is the half life equation?

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  Chemistry

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• How do you determine if the sequence is arithmetic, geometric, or neither: 96, 48, 24, 12, 6, 3, 1.5, .75?

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  Precalculus

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• What is the pKa of acetic acid?

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  Chemistry

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• Neptune's average distance from the Sun is ##4.503 * 10^9## km. Mercury's average distance from the Sun is ##5.791 * 10^7## km. About how many times farther from the Sun is Neptune than Mercury?

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  Algebra

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• What is phylogeny?

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  Biology

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• How do you construct adjacent congruent angles?

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  Geometry

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• How many stars and planets are there in the universe?

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  Science

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• Is 1/3 a rational or irrational number?

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  Algebra

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• What is the reaction and chemical equation when hydrogen peroxide is added to manganese dioxide?

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  Chemistry

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• What are metathesis reactions?

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  Chemistry

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• How do you simplify 2 cubed root 81 + 3 cubed root 24?

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  Algebra

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• If the amount of mercury in a polluted lake is 0.4 micrograms Hg/mL, what is the total mass in kilograms of mercury in the lake? ( the lake has a surface area of 100 ##"mi"^2## and an average depth of 20 ft)

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  Chemistry

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• What does it mean by "perfect" tense? Why is present/past perfect tense called perfect tense? I couldn't relate the meaning of "perfect" to the tense in grammar. Can someone tell me how it got its name? Thanks :)?

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  English

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• How do you calculate the ideal gas law constant?

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  Chemistry

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• Why is enthalpy an extensive property?

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  Chemistry

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• Why is the Lewis structure of ozone important?

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  Chemistry

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• What is the balanced equation for heptane (C7H16) burning in oxygen to make carbon dioxide and water?

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  Chemistry

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• According to the periodic table, how many elements are metalloids?

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  Chemistry

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• What is the definition of real politik in recent world history

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  History

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• How do you graph ## y = -2/5x + 2##?

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  Algebra

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• Find the limit as x approaches infinity of ##y=arctan(e^x)##?

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  Calculus

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• Is acid mantle a chemical, biological, or a mechanical barrier?

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  Psychology

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• What is the difference between solving multi step equations and multi step inequalities?

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  Algebra

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• Are there any theories explaining why Venus rotates backwards compared to other planets?

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  Science

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• Anthony has 63 toy cars and 84 toy trucks. He wants to divide them into groups that contain the same number of vehicles. Also, each group must contain the same type of vehicle. What is the largest number of toys that can be put into each group?

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  Algebra

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• Where are reactive metals located on the periodic table?

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  Chemistry

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• What's the balanced equation for magnesium and hydrochloric acid?

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  Chemistry

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• Calculate the mass density of a pure sample of oxygen gas at a pressure of 1.0 atm, a volume of 7.8 L at 197.2C?

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  Chemistry

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• Why isn't carbon monoxide just called carbon oxide?

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  Chemistry

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• How do you calculate standard molar enthalpy of formation?

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  Chemistry

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• How do you write ##12 3/10## as a decimal?

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  Algebra

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• What is the definition of elastic potential energy?

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  Physics

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• Technetium-99m the isotope notation is 98 TC 43. Is the atomic weight 98 amu?

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  Chemistry

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• How does stirring affect the rate of solution formation?

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  Chemistry

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• What are the factors of 54?

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  Algebra

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• Why was the winter at Valley Forge so difficult?

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  History

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• An isosceles right triangle has legs of equal length. If the hypotenuse is 8 inches long, how do you find the length of each leg?

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  Geometry

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• What is the derivative of ##y## with respect to ##x## for ##y = 17^x##?

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  Calculus

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• What is acid rain?

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  Environmental Science

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• What factors do 8 and 12 have in common?

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  Algebra

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• How are coordinate plane quadrants numbered?

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  Algebra

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• Do the 12 cranial nerves (including the Vagus nerve) belong to the Sensory-Somatic or Autonomic system?

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  Psychology

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• What are illustrations of concrete language and abstract language?

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  English

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• 8 ounces is equal to how many quarts?

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  Algebra

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• What is 0.2 as a fraction?

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  Algebra

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• What is the normal white blood cell count in a healthy female adult?

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  Psychology

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• Are pronouns used as subjects or subject complements in the nominative case?

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  English

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• What are bacteria?

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  Biology

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• What does dingus mean?

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  Geometry

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