Homework Answers Page 10609

• Belina bought 4 1/2 yards of red fabric. She also bought 6 yards of white fabric. How many more inches of white fabric than red fabric did Belina buy?

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  Algebra

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• How many properties of matter are there?

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  Chemistry

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• The half-life of plutonium-239 is 24,100 years. Of an original mass of 100g, how much plutonium-239 remains after 96,440 years?

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  Chemistry

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• How do amino acids affect enzymes?

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  Biology

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• What is a thallus?

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  Biology

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• What is keratin in the integumentary system? What is the purpose or function of keratin?

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  Psychology

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• How come some seedless plants reproduce only asexually during dry times of the year?

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  Biology

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• What is the area of a square that has a perimeter of 12 feet?

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  Geometry

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• Player As longest home run distance is 484 ft. If Player A hits 45 home runs at his longest distance, what would the total distance be?

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  Algebra

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• How do you solve ##sin 3x = 0##?

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  Geometry

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• What is the square root of 35/36?

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  Algebra

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• Compare and contrast Ivan the Terrible and Peter the Great?

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  History

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• The angles of a triangle are in the ratio 3:4:5. How do you find the measures of the angles?

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  Algebra

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• Are there 31 pairs of cranial nerves and 12 pairs of spinal nerves?

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  Psychology

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• What is the electron configuration of argon?

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  Chemistry

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• When HCl(aq) is titrated with NH3(aq), the pH at the equivalence point is (a) less than 7.0 (b) equal to 7.0 (c) greater than 7.0. ?

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  Chemistry

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• What is the Endpoint Formula?

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  Geometry

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• How to define which animal's blood is what color?

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  Biology

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• At what distance from the base of a right circular cone must a plane be passed parallel to the base in order that the volume of the frustum formed shall be three-fifths of the volume of the given cone? (Ans: 0.26319h)

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  Geometry

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• Why is the symbol of silver is Ag and not Si?

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  Chemistry

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• What is the reciprocal of 6?

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  Algebra

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• How do isotopes relate to average atomic mass?

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  Chemistry

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• How do you solve for y in ##x-2y=1 ##?

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  Algebra

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• How did we come to know the tetrahedral shape of methane, as it is gas and we can't look at its molecular level through microscope or any kind of such instrument? How were structures of other compounds, such as Nacl, determined?

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  Chemistry

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• How do alleles affect inherited traits?

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  Biology

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• What is an example of verbal irony and situational irony in "Othello" or in any other literary work?

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  English

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• How do you draw a Newman projection for hexane while sighting down ##C_2-C_3##?

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  Chemistry

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• If plant cells are autotrophs and animal cells are heterotrophs, what do you call organisms that get energy using processes other than photosynthesis and cellular respiration?

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  Biology

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• What is denaturation and what causes denaturation in proteins?

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  Biology

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• If ##tan(theta) = 3/4## and ##sin(theta) < 0##, how do you find ##cos(theta)##?

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  Geometry

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• How long is 7/10 of a mile, in feet?

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  Algebra

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• What is the additive inverse property?

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  Algebra

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• How do you write ##137.5%## as a fraction?

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  Algebra

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• How many atoms are in the universe?

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  Science

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• Why does Sodium lose an electron and attains +1 charge?

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  Chemistry

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• There are 150 calories in a cup of whole milk and only 82 in a cup of skim milk. In switching to skim milk, what is the percent decrease in number of calories?

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  Algebra

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• What is the molar mass of methane, ##CH_4##?

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  Chemistry

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• What is vant Hoff equation ?

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  Chemistry

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• What is acetylcholine classified as?

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  Psychology

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• How do I find the foci of an ellipse if its equation is ##x^2/36+y^2/64=1##?

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  Precalculus

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• Is a rectangle a parallelogram always, sometimes or never?

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  Geometry

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• What is the hybridization of H2O?

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  Chemistry

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• How can you prove that ##d/dx(cothx) = -csch^2x## using the definition ##cothx=coshx/sinhx##?

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  Calculus

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• In what order are the elements of the periodic table arranged?

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  Chemistry

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• What is the difference between alkanes, alkenes and alkynes?

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  Chemistry

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• Can someone define and list the three processes in the water cycle?

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  Environmental Science

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• How many sex chromosomes does the normal human female inherit from her mother?

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  Biology

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• How many hybrid orbitals are there in HNO3?

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  Chemistry

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• Why Polystyrene is foamy?

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  Chemistry

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• How do you convert 9/45 into a percent and decimal?

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  Algebra

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