Homework Answers Page 10771

• What is the difference between a correlation matrix and a covariance matrix?

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  Statistics

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• The current temperature in Smalltown is 20 °F. This is 6 degrees less than twice the temperature than it was six hours ago. What was the temperature in Smalltown six hours ago?

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  Algebra

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• How do you find the derivative of ##y=arcsin(2x+1)##?

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  Calculus

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• An exterior angle of a regular polygon is 15 degrees. How many sides does the polygon have?

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  Geometry

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• How do you write a system of equations with the solution (4,-3)?

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  Algebra

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• What is the symbol for phosphorus, the group and the number of valence electrons also the period too? thanks love you all

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  Chemistry

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• Where are the pacemaker cells located in the heart?

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  Psychology

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• The sum of two numbers is ##69## and their difference is ##23##. What is the smaller number?

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  Algebra

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• How many molecules are present in a drop of ethanol, C2H5OH, of mass 2.3 × 10–3 g? (L = 6.0 × 1023 mol–1)

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  Chemistry

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• How do lipids relate to the food pyramid?

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  Biology

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• What is the name of the compound ##CO##?

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  Chemistry

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• How fast was comet Shoemaker-Levy 9 going when it hit Jupiter?

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  Science

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• How would you arrange the following compounds in order of decreasing pka: ClCH2CH2OH, CH3CH2OH, and Cl2CHCH2OH?

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  Chemistry

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• How would you describe the structure ot an atom?

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  Chemistry

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• How do you convert 105 degrees fahrenheit to celsius?

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  Algebra

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• What are some examples of mechanical digestion?

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  Psychology

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• Why is binary fission so effective for bacteria?

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  Biology

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• What are all the factors of 360?

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  Algebra

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• How do the specific heats of metals compare with water?

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  Chemistry

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• An ##F_1## plant that is homozygous for shortness is crossed with a heterozygous ## F_1## plant. What is the probability that a seed from the cross will produce a tall plant?

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  Biology

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• How many atoms are present in 48.60 g of Mg?

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  Chemistry

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• How do you find the derivative of ##y=arcsin(sqrt(x))##?

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  Calculus

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• What are neurons that carry nerve impulses toward the central nervous system called?

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  Psychology

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• Can an absolute value equation ever have and infinite amount of solutions?

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  Algebra

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• How many yard in marine mile?

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  Physics

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• What does S configuration mean?

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  Chemistry

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• How many light minutes is the Earth away from the Sun?

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  Science

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• Why water is considered as pure substance whereas air is considered as impure substance?

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  Chemistry

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• How do you verify the identity ##(2tanx)/(1+tan^2x) =sin2x##?

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  Geometry

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• What hydrogen bonds join cytosine to guanine?

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  Chemistry

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• What is the definition of complete subject and complete predicate?

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  English

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• How do you convert gallons to milliliters?

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  Physics

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• How do you find the area of circle using integrals in calculus?

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  Calculus

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• What must happen for a protostar to become a star?

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  Science

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• How does the respiratory system work with the muscular system? Would it be possible for respiration to occur without muscle function?

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  Psychology

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• In what way is a taste aversion different from other examples of classical conditioning?

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  Psychology

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• What are example of archae?

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  Biology

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• HCN toxixity is:? 1- change osmotic pressure inside the cell 2- disturbance of acid-base equilbrium in body 3- covalent bonding to heme ion

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  Chemistry

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• Where was the Confederate capital located?

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  History

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• The density of gold is ##19.3 g####/####cm^3##. What is the volume, in ##cm^3##, of a sample of gold with mass ##0.715## ##kg##? If this sample of gold is a cube, how long is each edge in ##cm##?

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  Chemistry

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• The sum of the interior angles of a polygon is 4860 degrees. How many sides does the polygon have?

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  Geometry

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• What is the difference between a reciprocal of a number and a opposite of the number?

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  Algebra

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• How does a polar covalent bond differ from an nonpolar?

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  Chemistry

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• Why are Van der Waals interactions important to the tertiary structure of proteins?

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  Chemistry

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• Define displacement of a particle in linear motion. Does it depend upon the origin?

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  Physics

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• What is 16 2/3% as a fraction?

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  Algebra

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• What are adjectives that start with "D" to describe a person? Positive attributes would be helpful. Thanks.

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  English

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• What is the valence electron configuration for carbon?

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  Chemistry

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• What is the equation connecting gravitational force and specific gravity?

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  Physics

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• What is diffusion as it pertains to the alveoli in the lungs during respiration?

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  Biology

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