Homework Answers Page 10543

• How do you graph the secant, cosecant, and cotangent functions?

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  Geometry

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• What is telophase ii?

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  Biology

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• A beaker containing water is placed on a spring scale and reading is W. Now a stone of weight D is hung by means of massless string and lowered in water without touching the bottom of beaker. What is the new reading on spring?

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  Physics

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• How do you graph ##y=sqrt(x-3)##?

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  Algebra

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• Predict the relative atomic radii of the three magnesium isotopes, giving your reasons?

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  Chemistry

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• What is the mode for the sample 3, 2, 5, 7, 3, 2, 6, 4, 3, 7, 2, 4, 3, 5, 7, 5, 1, 2, 5, 3,7 ?

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  Statistics

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• How are strong nuclear force and weak nuclear force alike?

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  Science

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• How does human population growth affect the extinction of other species?

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  Biology

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• What is the difference between point-slope form and slope intercept form?

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  Algebra

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• What is the sum of all the oxidation numbers in any compound?

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  Chemistry

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• State the difference between a physical change and a chemical change, and list three indications that a chemical change has occurred. Which indication is most suggestive of a chemical reaction?

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  Chemistry

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• Is BBr3 a lewis acid or base?

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  Chemistry

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• How do you solve ## ln (x – 2) + ln (x + 2) = ln 5##?

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  Precalculus

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• How do you prove: ##secx - cosx = sinx tanx##?

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  Geometry

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• How do you calculate the vapor pressure of ethanol?

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  Chemistry

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• Does SO2 have a resonance structure?

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  Chemistry

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• How to factor ##4x^4+81##?

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  Algebra

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• What are the six functions of bone, and what is hemopoiesis?

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  Psychology

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• How would you define second ionization energy?

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  Chemistry

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• What is the chemical formula for sugar?

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  Chemistry

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• What is the empirical formula of C2H4O2?

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  Chemistry

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• How can I find the percent compositions of Mg(NO3)2?

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  Chemistry

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• Calculate the %Br in a 1.0234g mixture of AgCl and AgBr if the mixture contains 0.6635g of Ag?

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  Chemistry

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• When iron(II) sulfate dissolves in water, does iron(II) form a complex ion with water surrounding it?

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  Chemistry

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• When is Lac operon turned on and When is it turned off?

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  Biology

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• How do you find the related acute angle?

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  Geometry

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• Do plant cells contain mitochondria?

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  Biology

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• Which of these is not an example of an isotonic muscle contraction: tying your shoe, lifting a glass of water to your mouth, pushing against a wall, or writing a letter?

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  Psychology

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• What is a constellation is and what determines when it is visible to us?

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  Science

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• The ordered pair (1.5, 6) is a solution of direct variation, how do you write the equation of direct variation? Represents inverse variation. Represents direct variation. Represents neither.?

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  Algebra

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• How does salt change the specific heat capacity of water?

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  Chemistry

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• How do you convert 849 yards to mile?

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  Algebra

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• Hybridization of carbon in ##C_2H_2##?

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  Chemistry

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• What are the two main types of chemical bonds?

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  Chemistry

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• You have 47 mL of a 0.500 M stock solution that must be diluted to 0.100 M. Assuming the volumes are additive, how much water should you add?

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  Chemistry

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• A regular polygon has interior angles of 168°. How many sides does it have?

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  Geometry

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• Why do Uranus and Neptune appear to be blue?

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  Science

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• A pail with 40 washers in it weighs 500 grams. The same pail with 20 washers in it weighs 420 grams. How much does the pail weigh?

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  Algebra

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• What channels in the presynaptic neuron open up in response to an action potential?

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  Psychology

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• How to write an equation relating distance to force? With a table and graph?

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  Physics

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• What is the difference between simple present and present tense?

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  English

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• What is the ionic bond formation of Beryllium and Oxygen?

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  Chemistry

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• If the index of refraction of water is 1.33, what is the speed of light in water?

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  Physics

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• Calculate the density of nitrogen gas, in grams per liter, at STP?

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  Chemistry

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

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  Psychology

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• What is the empirical formula for nitroglycerin?

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  Chemistry

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• How do you graph ##x=4## by plotting points?

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  Algebra

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• How many autosomes do human cells contain?

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  Biology

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• Who discovered planet Mercury?

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  Science

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• What was Nixon's "Southern strategy"?

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  History

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