Homework Answers Page 10576

• What are vectors used for?

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  Physics

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• At an ice cream parlor, ice cream cones cost $1.10 and sundaes cost $2.35. One day, the receipts for a total of 172 cones and sundaes were $294.20. How many cones were sold?

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  Algebra

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• In humans, what is chromosome pair 23 called?

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  Biology

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• What is the atomic number of carbon?

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  Chemistry

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• How chemical compound forms?what is a molecule ?

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  Chemistry

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• How do you simplify (-3) to the 4th power?

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  Algebra

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• How do you calculate the mechanical advantage of a second-class lever?

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  Physics

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• Determine the geometries using vsepr theory .State the approximate bond angle(s) in each molecule and determine whether each molecule is polar or non polar a)BCl3 b)PCl5 c)NCl3 d)SO3 e)XeF4 f)HBF2?

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  Chemistry

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• Mary's farm stand sold a total of 165 pounds of apples and peaches. She sold apples for $1.75 per pound and peaches for $2.50 per pound. If she made $337.50 how many apples and how many peaches did she sell?

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  Algebra

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• What is the pH of salt and vinegar?

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  Chemistry

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• Why are bryophytes called amphibians of plant kingdom?

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  Biology

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• Upon decomposition, one sample of magnesium fluoride produced 1.64 kg of magnesium and 2.56 kg of fluorine. A second sample produced 1.29 kg of magnesium. How much fluorine (in grams) did the sample produce?

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  Chemistry

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• How do you change 2.00 quarts to mL?

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  Algebra

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• How are temperature on Celsius and Kelvin scales related?

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  Chemistry

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• What is the difference between a chi square test of independence and a chi square test for homogeneity?

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  Statistics

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• What is the molar mass of helium in kg/mol?

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  Chemistry

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• How many chromosomes do humans have?

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  Psychology

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• What are some of the main mid-ocean ridges on earth?

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  Science

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• Why is the somatic nervous system important?

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  Psychology

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• How many chromosomes are in human body cells?

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  Biology

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• How does the law of conservation of energy apply to chemical changes?

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  Physics

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• How do you use the summation formulas to rewrite the expression ##Sigma (4i^2(i-1))/n^4## as k=1 to n without the summation notation and then use the result to find the sum for n=10, 100, 1000, and 10000?

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  Calculus

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• If ##A = <5 ,2 ,8 >##, ##B = <6 ,5 ,3 >## and ##C=A-B##, what is the angle between A and C?

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  Geometry

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• How many quarts equals five gallons, and how many liters equals five gallons?

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  Algebra

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• How do you find x-intercepts, coordinates of vertex for parabola ##y = x^2 - 4x - 12##?

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  Algebra

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• What are the differences between diffusion, osmosis, facilitated diffusion & active transport? How are these processes related to transport across cell membranes?

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  Biology

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• What's the integral of ##int tanx / (cosx)^2 dx##?

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  Calculus

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• Why was the Berlin Wall built?

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  History

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• predict the products and write a balanced equation NiCl2(aq)+NaOH(aq)→−−−+−−−?

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  Chemistry

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• An imperative sentence is to a command as a declarative sentence is to a what?

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  English

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• Convert 73.2 ppm to weight percent So what exactly is ppm and weight percent gland how would we approach and solve this problem?

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  Chemistry

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• What is a compound verb and some examples?

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  English

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• What is the difference between epithelium and epidermis?

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  Psychology

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• How is gold formed in the earth?

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  Science

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• In what anatomical position of the body is the heart located?

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  Psychology

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• What is the difference between (fo(goh)(x) and ((fog)oh)(x)?

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  Precalculus

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• What is vsepr theory based on?

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  Chemistry

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• Is your appendix on the left side or right side of your body?

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  Psychology

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• What are the advantages of relative dating over absolute dating?

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  Science

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• How do astronomers describe the scale of the universe?

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  Science

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• How do you evaluate ##csc^-1(-1)## without a calculator?

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  Geometry

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• What is the reference angle for ##(7pi)/9##?

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  Geometry

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• An italian sausage is 9 inches. The chef needs to cut it into 2/3 inch pieces . How many pieces will he be able to cut?

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  Algebra

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• What were Kublai Khan's strengths, weaknesses, and failures?

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  History

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• How do metaphors and extended metaphors differ?

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  English

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• Calculate the equivalent resistance of the combination of three resistors of 2 ohm ,3ohm,and 6ohm joined in parallel?

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  Physics

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• Why does the anode carry the negative charge in galvanic cell but positive charge in electrolytic cell?

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  Chemistry

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• How do you convert 0.6 (6 being repeated) to a fraction?

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  Algebra

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• The mandible and cervical vertebrae are examples of what type of bone?

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  Psychology

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• How Do I form IF5 in the Lewis Theorie to develop it with the VSEPR?

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  Chemistry

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