Homework Answers Page 10709

• A rectangle is ##6## units wide and ##x-8## units long. It has the same area as a triangle with a height of ##7## units and a base of ##x-3## units. What is the area of the rectangle?

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  Geometry

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• What is the longest and shortest bone in the human body? What are their measurements in inches?

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  Psychology

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• What percent of calcium carbonate is oxygen?

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  Chemistry

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• When dilute aqueous solution of iron (III) nitrate and sodium hydroxide are mixed, a precipitate is observed. write a molecular, complete ionic, and net ionic equation for the reaction?

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  Chemistry

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• Why do prokaryotic cells have ribosomes?

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  Biology

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• How do you find the center and radius of the circle ##x^2 + y^2 - 6x + 8y = 0##?

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  Precalculus

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• How would you write the molecular formula for dinitrogen trioxide and nitrogen monoxide?

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  Chemistry

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• Why do amines generally have lower boiling points than alcohols of comparable molar mass?

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  Chemistry

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• Write the complex number ## 8(cos 30 +i sin 30)## in standard form?

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  Precalculus

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• Can anyone help me with 10 original examples of compound sentences?

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  English

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• What is the force, in terms of Coulomb's constant, between two electrical charges of ##8 C## and ##-2 C## that are ##9 m ## apart?

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  Physics

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• How does one enclose the final punctuation? Do you put a period inside or outside the parentheses?

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  English

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• Is age continuous or discrete data?

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  Statistics

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• What is the biggest and smallest planet?

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  Science

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• How do you find slope and intercepts to graph ##y=3x-8##?

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  Algebra

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• How does crossing over increase genetic diversity?

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  Biology

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• Which is correct grammar? "He has already come." or "He has already came"?

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  English

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• What is pH when ##[H^+] = 8.43 * 10^-4## ##M##?

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  Chemistry

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• How can physical properties be used to identify substances?

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  Chemistry

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• 100 yards is equal to how may feet?

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  Algebra

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• What is excretion? Why is it important to living things?

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  Biology

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• What biomes do wolves live in?

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  Biology

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• What is absorption spectrum and emission spectrum? Give examples if you can!

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  Chemistry

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• Lysosomes are known as suicidal bags of the cell?why?

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  Biology

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• Could you help me find a metric conversion chart that would help me in chemistry?

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  Chemistry

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• What is 0.3 repeating as a fraction in simplest form?

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  Algebra

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• If ##x^2+y^2=25## and ##dy/dt=6##, how do you find ##dx/dt## when ##y=4## ?

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  Calculus

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• What is a galaxy that was once a quasar is likely have?

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  Science

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• Calculate the heat energy released when 20.1 g of liquid mercury at 25.00 °C is converted to (s) mercury at its melting point? Constants for mercury at 1 atm: heat capacity of Hg(l)=28.0 J(mol*K), melting point=234.32 K, enthalpy of fusion=2.29 KJ/mol

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  Chemistry

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• What is frost wedging?

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  Science

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• 1/4 lb is how many ounces?

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  Algebra

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• What are the six kingdoms of life?

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  Biology

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• Why are halogens reactive?

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  Chemistry

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• How do I find the sine of the angle between two vectors?

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  Precalculus

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• Why does water have polar covalent bonds?

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  Chemistry

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• How do you increase the mechanical advantage of a third-class lever?

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  Physics

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• How do you find the inverse of ##f(x) = 3x – 6 ## and is it a function?

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  Precalculus

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• The temperature of a piece of copper with a mass of 95.4 g increases from 25°C to 48°C when the metal absorbs 849 J of heat. What is the specific heat of copper?

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  Chemistry

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• What is the integral of ##x^3 cos(x^2) dx##?

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  Calculus

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• How many sets of ribs does a human have?

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  Psychology

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• Is CO2 an empirical formula, a molecular formula, or both?

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  Chemistry

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• What is the difference between pathetic fallacy, personification and anthropomorphism?

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  English

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• Please can someone answer the following: What does a fixed volume mean? Do solids have the smallest volume?

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  Physics

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• What is -2/3 to the 5th power?

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  Algebra

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• How can I convert minutes into hours?

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  Physics

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• What are some examples of mass number?

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  Chemistry

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• A solution contains the ions Ag+, Pb2+, and Ni2+. Dilute solutions of NaCl, Na2SO4, and Na2S are available to separate the positive ions from each other. In order to effect separation, the solutions should be added in which order?

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  Chemistry

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• What is the Law of Conservation of Charge?

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  Physics

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• What are three examples of each of the following: decomposers, producers, consumers, carnivores, omnivores, and herbivores?

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  Biology

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• What is the focus of a parabola?

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  Precalculus

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