Homework Answers Page 10556

• Why did the invention of the printing press had a great effect on society?

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  History

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• What is the pH of a saturated zinc hydroxide solution?

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  Chemistry

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• Does Jupiter have a surface?

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  Science

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• How do you write ##log_4 64 = 3## in exponential form?

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  Precalculus

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• About how long ago did the Bantu migration occur?

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  History

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• How many ounces in 1/4 of a pound?

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  Algebra

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• What is metamorphosis?

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  Biology

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• Find the limit as x approaches infinity of ##y=ln( 2x )-ln(1+x)##?

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  Calculus

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• How do you graph y=mx+b?

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  Algebra

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• How do you round 247,499 to the nearest thousand?

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  Algebra

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• What are cumulus clouds and what do they suggest about atmospheric conditions?

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  Science

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• What are convection currents and what causes them?

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  Science

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• What is the least common multiple of 18, 30, and 50?

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  Algebra

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• What is the effect of the temperature on the evaporation rate of ethyl alcohol?

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  Chemistry

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• How do you convert 7.8 km to miles?

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  Algebra

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• Write the equation for the ionization of HC2H3O2?

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  Chemistry

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• What is the circumference of a circle with diameter of 28 inches?

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  Geometry

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• How does polarization show that light is a transverse wave?

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  Physics

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• What is a definition of irregular verb in Spanish?

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  English

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• How do you convert rectangular coordinates to polar coordinates?

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  Geometry

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• What is Chromatography?

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  Chemistry

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• How do you verify the identity: ##cos^2x-sin^2x=1-2sin^2x##?

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  Geometry

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• How do you use the sum and difference formula to simplify ##sin20cos80-cos20sin80##?

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  Geometry

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• How do you find the area of a regular octagon given a radius?

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  Geometry

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• How do I use the algebraic method to balance the equation CaCO₃ + H₃PO₄ → Ca₃(PO₄)₂ + H₂CO₃?

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  Chemistry

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• What is the difference between a hyperbole and a superlative?

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  English

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• How is Coulomb's law similar to Newton's?

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  Physics

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• What is the force on a 1000 kg elevator that is falling freely at the acceleration of gravity?

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  Physics

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• How do you derive y=tanx using the definition of the derivative?

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  Calculus

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• The speed of sound in water is 1430 m/s. What is the wavelength of a sound with a frequency of 286 Hz traveling through the water?

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  Physics

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• Compare Charlemagne and Charles Martel? Please provide at least 7 comparisons.

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  History

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• Explain what happens waves undergo constructive interference

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  Physics

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• What is the electron configuration for a nitride ion?

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  Chemistry

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• How do you find the slant asymptote of ##y=sqrt(x^2+4x) ##?

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  Precalculus

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• What are some examples of vascular tissue?

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  Biology

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• How would you balance Ag2O --> Ag + O2?

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  Chemistry

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• 16 degrees celsius is what in fahrenheit?

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  Algebra

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• The formula for ethanol is CH3CH2OH what is the mole ratio of H to C?

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  Chemistry

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• Ethan planted a tree that is 37.5 inches tall. If the tree grows 3 inches each year, how long will it take for the tree to reach a height of 54 inches?

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  Algebra

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• Please explain how to determine what is oxidized and what is reduced in the following reaction: PbS + 4H2O2 --> PbSO4 + 4H2O

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  Chemistry

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• How to graph a parabola ##x=(y^2) - 4y + 3##?

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  Algebra

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• How can I balance this equation? ____ ##KClO_3 ->## ____ ##KCl +## ____ ##O_2##

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  Chemistry

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• What is half of 1/3 cup?

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  Algebra

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• What is the Doppler shift, and why is it important to astronomers?

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  Physics

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• Why is the North Star called the North Star? Where is it in the sky it is when viewed from the North Pole and the Equator?

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  Science

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• How do you round 0.238 to the nearest tenth?

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  Algebra

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• What is (-∞, -3) U (-3, ∞) in inequality notation?

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  Algebra

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• What is the formula to calculate population growth/rate?

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  Environmental Science

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• What is antigenic drift?

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  Psychology

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• What is the final step of completing a solve by substitution problem?

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  Precalculus

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