Homework Answers Page 10707

• How do you simplify (-2) to the 3rd power?

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  Algebra

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• What is the rhyme scheme of a sonnet?

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  English

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• What does a negative correlation coefficient mean about a scatter plot of the data?

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  Statistics

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• How does the Calvin Cycle work?

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  Biology

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• How do you convert meters to centimeters or millimeters?

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  Physics

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• Why is ##ZnCl_2## a lewis acid?

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  Chemistry

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• How do you use the properties of logarithms to expand ##log_10((xy^4)/z^3)##?

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  Precalculus

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• A block of wood floats in a liquid of density 0.8g/cm sq. with one fourth of its volume submerged. In oil the block floats with 60% of its volume submerged. Find the density of (a) wood? (b) oil?

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  Physics

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• What is the hydroxide ion concentration in a solution of ##"NH"_3## with a ##"pOH"## of ##4.65##?

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  Chemistry

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• How do the definitions of phototrophs and chemotrophs differ from autotrophs and heterotrophs?

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  Biology

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• Why were true-breeding pea plants important for Mendel's experiments?

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  Biology

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• What is the integral of sin(x) dx from 0 to 2pi?

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  Calculus

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• Why is a ladder an inclined plane?

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  Physics

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• How do viruses reproduce?

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  Biology

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• How do you graph the inequality ##3x+4y<=12##?

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  Algebra

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• Why is law of definite proportions important?

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  Chemistry

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• When solutions of silver nitrate and potassium chloride are mixed, silver chloride precipitates out of solution according to the equation? AgNO3(aq)+KCl(aq)→AgCl(s)+KNO3(aq)

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  Chemistry

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• What percent of 20 is 4?

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  Algebra

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• How do you find the slope of the line whose equation is ##2x – 4y = 10##?

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  Algebra

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• How do the central and peripheral nervous system work together?

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  Biology

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• How do you convert (x-3)squared +(y+4)squared =25 to a polar equation?

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  Geometry

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• A card is drawn from a standard deck of 52 playing cards. What is the probability that the card is an ace or a king?

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  Statistics

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• What is the SI for a unit of power?

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  Physics

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• What is the difference between an oxymoron and antithesis?

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  English

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• How many pints of blood are in a woman's body?

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  Psychology

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• Which is more stable, cis -1-ethyl-2-methylcyclohexane or trans -1-ethyl-2-methylcyclohexane?

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  Chemistry

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• What is the derivative of ##f(theta)=arcsin(sqrt(sin(9theta)))##?

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  Calculus

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• How small is Earth compared to the largest known star?

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  Science

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• How are fungi helpful to humans and how are they harmful?

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  Biology

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• How do you find the derivative of ##ln(x/(x^2+1))##?

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  Calculus

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• Will a change in the amino acid sequence of a polypeptide chain always change protein activity?

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  Biology

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• Why are Arrhenius acids strong electrolytes?

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  Chemistry

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• How to simplify square root of 98 - the square root of 50 - the square root of 72?

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  Algebra

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• Is ##x^12-y^12## difference of two squares or difference of two cubes?

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  Algebra

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• How is energy conserved in an endothermic reaction?

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  Physics

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• What is the mass of 15ml of water?

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  Chemistry

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• What are the parts of the renal tubule in the correct sequence from beginning to end?

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  Psychology

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• Why do eukaryotic cells have membrane bound organelles?

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  Biology

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• How does polarity affect SN1 reactions?

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  Chemistry

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• What is the Mole ratio of C12H22O11 (Sucrose)?

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  Chemistry

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• What are the chemical formulas of potassium sulfate and of calcium acetate?

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  Chemistry

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• What is the formula for molarity?

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  Chemistry

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• How does the Bohr theory of the atom explain flame colors?

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  Chemistry

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• In the Haworth projection, why is the –CH2OH group pointing up?

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  Chemistry

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• Rafael counted a total of 40 white cars and yellow cars. There were 9 times as many white cars as yellow cars. How many white cars did Rafael count?

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  Algebra

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• The average life span of a tortoise is 200 years. How many days is this?

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  Algebra

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• How much precipitation does the tropical savanna get per year?

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  Biology

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• How many centigrams are in 4.15 grams?

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  Chemistry

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• How is the human respiratory system related to the circulatory system?

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  Psychology

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• How did Henry Moseley alter Mendeleev's original periodic table?

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  Chemistry

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