Homework Answers Page 10756

• What is the ionic compound for Ca3(PO4)2?

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  Chemistry

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• The charge of the metal in the compound MgSO4 is?

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  Chemistry

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• The center of a circle is at (4, -1) and it has a radius of 6. What is the equation of the circle?

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  Precalculus

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• How are monocot and dicot flowers different?

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  Biology

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• How far is mars from earth?

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  Science

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• What role did Victor Emmanuel II play in Italian Unification?

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  History

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• If 1 inch is 2.54 cm, how many cm are there in 12 inches?

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  Algebra

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• How and where is the appendix connected to the intestines?

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  Psychology

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• How much does 1 gallon of water weigh in lbs? Given Density of water 1 g/cm

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  Chemistry

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• What is the difference between an intrinsic and extrinsic semi conductor material? What is doping?

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  Chemistry

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• What element has the symbol Rn?

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  Chemistry

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• If y varies directly as x and inversely as the square of z and if ##y=20##  when ##x=50## and ##z=5## how do you find y when ##x=3## and ##z=6##?  

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  Algebra

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• Why is the force = mass * acceleration rather than mass * velocity? Isn't the force exerted at a given moment rather than over a period of time, which is expressed through acceleration?

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  Physics

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• What is the relationship between D-glucose and D-fructose?

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  Chemistry

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• What is the formula for the conjugate of H2C2O4?

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  Chemistry

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• How many dependent variables should be in an experiment?

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  Chemistry

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• What is pi factorial (or pi!)?

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  Precalculus

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• What is the function of the renal artery and the renal vein?

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  Psychology

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• What are the three main functions of the lymphatic system?

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  Psychology

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• A sample of steel with a density of 7.81 g/ml is added to a 100-mL graduated cylinder with 45.0mL of water. If the resulting water level is 55.5 mL, what is the mass of the sample of steel?

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  Chemistry

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• What's the difference between a formula unit and a molecule?

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  Chemistry

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• The angles of a triangle are in the ratio 3:4:5. What is the measure of the smallest angle?

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  Algebra

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• How do you translate "the quotient of a number N and 4" into an algebraic expression?

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  Algebra

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• How do you find the exact value of cos 180degrees - sin 180degrees?

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  Geometry

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• Mars has an average surface temperature of about 200K. Pluto has an average surface temperature of about 40K. Which planet emits more energy per square meter of surface area per second? By a factor of how much?

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  Science

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• What treaty brought an end to Queen Anne’s War?

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  History

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• How does price level affect money demand?

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  Economics

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• Which of the following is a correct statement of the Second Law of Thermodynamics?

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  Physics

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• How do hox genes influence animal development?

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  Biology

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• How do I find the number of grams in 1 mole of sulfuric acid. Then calculate the number of grams of sulfuric acid needed to make a 1-L solution of sulfuric acid in water that has a molarity of 3?

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  Chemistry

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• What is a fault?

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  Science

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• What is the transverse axis of a hyperbola?

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  Precalculus

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• The chemical formula for carbon tetrachloride ##C####Cl_4## has how many chlorine atoms?

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  Chemistry

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• What is the mole ratio of nitrogen to hydrogen in N2H4?

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  Chemistry

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• What is the area of a regular hexagon with a side length of 8.1 yards and an apothem length of 7 yards?

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  Geometry

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• A 45-45-90 triangle has a hypotenuse of length 7. What is the length of one of its legs?

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  Geometry

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• What is entropy of a system?

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  Chemistry

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• What are the goals of environmental science?

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  Environmental Science

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• What is a divergent mirror?

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  Physics

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• What does the scientific equation E=Mc2 mean in relative terms to astronomy?

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  Science

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• Is codeine classified as a Stimulant, Depressant, Hallucinogen or Narcotic?

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  Psychology

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• What would be the empirical formula of ethane?

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  Chemistry

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• What is coldest planet in solar system?

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  Science

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• How many sides does a regular nonagon have?

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  Geometry

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• Why is nucleus called the brain of the cell?

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  Biology

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• Why does the natural rate of unemployment change?

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  Economics

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• A blue whale was once recorded with a length of 36 yards. How many centimeter long was the whale, if l in is 2.54 cm?

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  Algebra

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• What does the gradient function mean?

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  Calculus

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• How do lichens contribute to primary succession?

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  Biology

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• What is the difference between a limiting reactant and an excess reactant?

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  Chemistry

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