Homework answers and tutorials

Waiting for answer How do you write 3/4 as a decimal?
##3/4=0.75## Divide ##3## by ##4## to get ##0.75## The division in this case is a bit tricky due to the fact that you have to divide something small ##3## into something bigger ##4#...
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Waiting for answer How are interstitial fluid and lymph similar?
They are similar in composition. Fluid that is forced out of the capillary walls and into the intercellular spaces is known as interstitial fluid. Approximately 90% of this flows bac...
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Waiting for answer How do you find the area of the region bounded by the polar...
The first thing to remember that an integral is a way to add up an infinite number of areas. For rectangular coordinates (##y=f(x)##), these areas are always rectangles. ##int_a^bf(x)dx## literally means "let's find the area of an infinite numbers of rectangles between ##x=a## and ##x=b##, wher...
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Waiting for answer What is Helium?
helium is a gas the chemical element's atomic number is 2, and is the lightest member of the noble gas series.
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Waiting for answer How do you convert kelvin to celsius and vice versa?
1 Celcius = 273 Kelvin Thus, 1 Kelvin = 273 Celcius
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Waiting for answer What is the mathematical formula for how marginal revenue ch...
##lim_(DeltaQ rarr 0) (DeltaTR)/(DeltaQ) = (d(TR))/(dQ)## Note in practice quantity increments in discrete numbers so: ##(DeltaTR)/(DeltaQ)## maybe more practical In real life here is what you may see: Total Revenue = (Current Price Per Product) x (Current Number Products Sold) ##= TR_1 = P_1xxQ_1#...
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Waiting for answer What is the difference between hydrostatic pressure and atmo...
is the pressure exerted on a surface by the weight of the atmosphere above it. The atmospheric pressure at the surface of the earth is approximately 100 kPa. Hydrostatic pressure is the pressure exerted by a fluid at a given point, due to the weight of the fluid above it. Hydrostatic pressure...
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Waiting for answer Trimethylamine, (CH3)3N, is a weak base (Kb = 6.4 × 10–5) th...
##"pH" = 4.40## Your starting point here will be to write the balanced chemical equation that describes the ionization of the trimethylammonium cation, ##("CH"_3)_3"NH"^(+)##, the co...
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Waiting for answer How do viruses violate the cell theory?
The bottom line is that are not alive and not related to cells in any way. states that all living things are made of cells, cells are the basic units of structure and function of living things, and that all cells come from other cells. Since viruses are not made of cells, and do not use cells in a...
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Waiting for answer What is the relationship between reactants and products of p...
There is an interesting relationship between and Respiration. The end products of Photosynthesis are starting products(reactants) of Respiration. End products of Respiration are sta...
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Waiting for answer What region became known as the satellite nations of the Sov...
Nations bordering the west flank of the Soviet Unon The Second World War was concluded by a simultaneous advance of the Red Army from the East and of the Allied Forces from the West...
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Waiting for answer How long would it take to go in AU from Jupiter to Neptune
The distance from Jupiter to Neptune is 24.89 AU and it would take light 3.45 hours to cover that distance. Either your question is wrong or it is asking something different. AU or...
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Waiting for answer What is 234 divided by 7?
##234/7=33.43## Simply put ##234/7## into your calculator and you will get the answer. I rounded the answer to the hundredths place but if the directions say to round it to the neare...
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Waiting for answer What is the simplest radical form of the square root of 216?
##=color(blue)(6sqrt(6)## Prime factorisation of ##216## helps us simplify the radical: ##216=sqrt(2*2*2*3*3*3)## ##=sqrt(2^2*2*3^3*3)## ##=2*3sqrt(2*3)## ##=color(blue)(6sqrt(6)#...
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Waiting for answer How many distinguishable ways can the letter of the word SAS...
In a word where no letters are repeated, such as FRANCE, the number of distinguishable ways of arranging the letters could be calculated by 5!, which gives 120. However, when letters are repeated, you must use the formula ##(n!)/((n_1!)(n_2!)...)##...
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Waiting for answer What force caused the movement of the continents from one su...
The movement of tectonic plates. These plates are large slabs made of the crust and and the rocks of the upper mantle. Initially, there was a supercontinent: Then because of the mo...
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Waiting for answer If an asteroid has a perihelion distance of 2.0 A.U. and an...
##a=4.0"AU"##, ##e = .5##, ##T=2"years"## The semimajor axis, ##a## of and ellipse is half of the major axis, the total distance between perihelion and aphelion. The semimajor ax...
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Waiting for answer How do you use the binomial series to expand the function #...
This is a natural extension of raising a binomial to a whole number power: ##(a+b)^n=sum_(k=0)^n (n/k)a^(nk)b^k## (sorry about the inner bar) Where ##(n/k)=(n!)/(k!(nk)!)=(n(n1)…(nk+1))/(k!)## So we can apply this to any exponent r even if r is an arbitrary real number. ##(a+b)^r=sum_(k=0)^oo...
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Waiting for answer What is the area of an equilateral triangle with side length...
##49sqrt3## We can see that if we split an equilateral triangle in half, we are left with two congruent equilateral triangles. Thus, one of the legs of the triangle is ##1/2s##, and...
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