Homework Answers Page 10689

• What is the square root of 0.0081?

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  Algebra

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• What is the mathematical expression of Newton's law of gravitation?

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  Physics

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• How do you verify ##(1+cosx)/(1-cosx) - (1-cosx)/(1+cosx)=4cotxcscx##?

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  Geometry

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• What did Rutherford's gold-foil experiment tell about the atom?

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  Chemistry

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• How fast does the sun move around the galaxy center?

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  Science

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• What is equilibrium in biology?

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  Biology

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• How to evaluate lim x->1 [1/(1-x) - 3/(1-x^3)] and lim x->1 (x^n-1)/(x-1)?

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  Calculus

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• What is the vertex form of the parabola whose standard form equation is ##y=5x^2-30x+49##?

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  Algebra

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• What is the diameter of the earth's moon?

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  Science

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• What is selective permeability?

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  Biology

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• How many inches is in 5 yards?

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  Algebra

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• What are some examples of nucleic acids?

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  Biology

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• What is the outer core made of?

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  Science

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• How do you find the 6 trig functions of 330 degrees?

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  Geometry

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• What is the formula for magnesium carbonate?

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  Chemistry

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• How does a solution differ from a colloid?

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  Chemistry

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• Balance the following reaction: NH4NO3 + Na3PO4 --> (NH4)3PO4 + NaNO3 If we started with 30.0 grams of ammonium nitrate and 50.0 grams of sodium phosphate, which reactant is limiting? What is the mass of each product that can be formed? What mass of t...

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  Chemistry

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• How do acids and bases affect the hydrogen ion concentration of a solution?

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  Biology

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• How does weathering affect the Grand Canyon?

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  Science

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• Why do falling objects reach a terminal velocity?

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  Physics

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• What effect did Theodora, wife of Emperor Justinian, have on the Byzantine Empire?

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  History

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• Where is indirect characterization about Romeo found in the story?

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  English

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• How does osmotic pressure affect solute concentration?

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  Chemistry

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• If an aerosol can contained 350mL of CFC gas at a pressure of 4.4 atm , what volume would this gas occupy at 1.0atm?

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  Chemistry

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• Write equations to show how 2,3-dimethylbutane may be prepared from each of the following compounds. (i)an alkene (ii)A grignard reagent (iii)a haloalkane (iv)a sodium alkanoate?

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  Chemistry

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• What does like dissolves like mean?

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  Chemistry

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• What is the molecular formula of ethanoic acid?

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  Chemistry

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• What was significant about the Civil Rights Act of 1957? What did it accomplish?

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  History

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• What are 3 main functions of the muscular system?

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  Psychology

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• Why are viruses considered parasites?

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  Biology

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• What impact did Baron de Montesquieu have on the creation of the Constitution?

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  History

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• How do you graph ##y= tan (2x)##?

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  Geometry

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• Explain the global significance of the War of the Spanish Succession?

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  History

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• Discuss sacrificial protection and give two everyday examples where this method is used?

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  Chemistry

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• How would you characterize the American political landscape during the Gilded Age?

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  History

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• How do you create a story to match the number sentence ##8=15-7##?

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  Algebra

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• How do you find Tan^-1(-1) without a calculator?

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  Geometry

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• What are comets?

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  Science

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• How do I use scientific notation to express a light-year in miles?

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  Precalculus

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• What is cytology?

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  Biology

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• How does water affect the rock cycle?

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  Science

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• How do you verify ##cosx/(1-tanx) + sinx/(1-cotx) = sinx + cosx##?

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  Geometry

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• What is an advantage of using an electromagnet rather than a regular magnet?

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  Physics

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• How do you differentiate between bases and alkali?

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  Chemistry

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• Which is the best definition of value? Question 1 options: The intensity or concentration of pigment in a color. The tactile surface quality of an object. The lightness or darkness of a color or surface. The use of expensive materials

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  History

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• 8 cups equals how many quarts?

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  Algebra

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• How do you create a boxplot in Excel?

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  Statistics

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• What's the final temperature in bomb calorimeter if 1.785 grams of benzoic acid (##HC7H5O2##) is combusted in a calorimeter with heat capacity of 5.02 Kj/C and initial temperature of 24.62 degree Celsius? Heat of combustion for benzoic acid is -26.42 Kj/g.

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  Chemistry

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• How does tuberculosis affect the lungs? How is tuberculosis spread?

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  Psychology

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• How respiration in plants different from that in animals?

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  Biology

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