Homework Answers Page 10693

• If ##r = (23*5)/(x+7)##, what is ##r^2##?

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  Algebra

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• How do you simplify ##7\times ( 4^ { 3} - 6) \div 2##?

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  Algebra

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• What is earth's lower mantle made of?

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  Science

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• What is the purpose of an ogive?

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  Statistics

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• What is the electron configuration for oxygen?

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  Chemistry

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• Why is the enthalpy of formation of oxygen zero?

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  Chemistry

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• How do you find the slope for y=2x+4?

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  Algebra

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• What is the appositive phrase in the sentence: Problem number 19, the final question, was difficult."?

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  English

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• What is the molarity of glacial acetic acid (CH3COOH, Mr = 60.05g/mol) at 25 degrees C given that the density of acetic acid at that temperature is 1.049g/mL?

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  Chemistry

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• How do you convert 26.280 kilometers to feet?

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  Algebra

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• On the Celsius scale, at what temperature does water boil?

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  Chemistry

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• What is the difference between laxative , purgative and cathartic?

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  Biology

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• How does one find the number of atoms of each element in K3PO4?

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  Chemistry

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• When sodium acetate is added to acetic acid, the degree of dissociation of acetic acid....?

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  Chemistry

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• What was the Selective Service Act?

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  History

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• What are atoms?

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  Chemistry

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• What is an angle?

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  Geometry

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• What is the thermochemical equation for the combustion of benzene?

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  Chemistry

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• If I have a chart that claims that the Atomic radius of Rubidium is 248 picometers cubed, how can I calculate how many Rubidium atoms span the length of 1.00 centimeter (Assume that the Rubidium atoms are touching each other) ?

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  Chemistry

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• Which southern state refused to ratify the Twenty-fourth Amendment?

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  History

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• How can you find the ionic charges of elements by looking at the periodic table?

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  Chemistry

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• What is a 100 sided polygon called?

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  Geometry

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• What is one proof of the converse of the Isosceles Triangle Theorem?

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  Geometry

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• The sum of two consecutive integers is 47, how do you find the two numbers?

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  Algebra

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• What is the sphincter of Oddi? What is the ileocecal sphincter?

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  Psychology

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• Consider butter (density=0.860g/ml) and sand (density=2.28g/ml). If 1.00ml of butter were mixed with 1.00ml of sand and mixed as thoroughly as possible, what would be the density of the resulting mixture?

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  Chemistry

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• How do you rationalize the denominator of ##1/(sqrt(2)+sqrt(3)+sqrt(5))##?

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  Algebra

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• What is ground tissue?

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  Biology

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• What percent composition of glucose is carbon?

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  Chemistry

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• How did Robert Millikan's oil drop experiment change scientists' view of the atom?

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  Chemistry

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• What is the formula for molar heat of solution?

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  Chemistry

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• How do you tell the difference between a hydroxyl group and an alcohol group?

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  Chemistry

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• Write a balanced equation for the precipitation reaction that occurs when aqueous solutions of iron(III) bromide and potassium phosphate are combined?

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  Chemistry

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• What is the vertex and direction of this parabola ##y=-3(x+2)^2+3##?

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  Algebra

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• What is the function of ependymal cells?

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  Psychology

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• How does the sun affect the phases of the moon?

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  Science

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• What is the purpose of double blind experiments?

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  Statistics

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• How is gene expression related to the central dogma of molecular biology?

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  Biology

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• What trophic level is occupied by carnivores?

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  Environmental Science

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• What were the international consequences of World War II for the Allied Powers and Axis Powers?

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  History

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• Why does crystallization separate mixtures?

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  Chemistry

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• What was wrong with Rutherford's model of the atom?

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  Physics

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• What are the three states of matter?

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  Chemistry

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• How do you solve quadratic equations to the fourth power?

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  Algebra

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• Convert 17 miles to kilometers if 1 inch = 2.54 cm ?

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  Chemistry

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• What are the different types of irony?

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  English

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• What role did the 13 colonies have in the British empire?

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  History

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• What is a myogenic heart? How is this different from a neurogenic heart?

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  Psychology

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• What is antimatter and dark energy ?

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  Science

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• How do you write the algebraic expression: the quotient of 15 and y?

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  Algebra

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