Homework answers and tutorials

Waiting for answer What is an adverb of affirmation and negation? Please includ...
see below An adverb of affirmation is an adverb that is used in a sentence to affirm it as true. An adverb of affirmation is also used to answer a YesNo question raised by others....
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Waiting for answer How much does a 78.0 kg student weigh on earth (g = 9.81##m/...
Weight = mass × g Weight on earth = 78.0 × 9.81 = 765.18 Weight on moon = 78.0 × 1.60 = 124.80
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Waiting for answer How do you verify ##(tanx/(1+cosx)) + (sinx/(1cosx))=cotx +...
TL;WR  Just find the LCD of the two fractions on the left side, and proceed to simplify. What I like to do when I have two dissimilar fractions (ones with different denominators) is...
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Waiting for answer How would you draw a sixcarbon alkyne that can exist as a d...
A six carbon alkyne that can exist as a diastereomer is 1ethynyl2methylcyclopropane. One way for a compound to have is to have two chiral centres. The only way we can do this w...
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Waiting for answer What is pseudo force?
Pseudo force is a non real force Consider an example that a person is coming down in a lift for a person inside the lift would say that two forces are acting on him 1. Gravitational...
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Waiting for answer How do you convert 125% to a fraction in lowest terms?
##5/4## If you figure out 25%=##1/4## and 100% is ##4/4## and add them you get ##5/4## in this case. If it were 150% it'd be ##3/2## and so on. Though to be completely honest with y...
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Waiting for answer If we remove all of the queens from a 52card deck, how many...
##194,580## unique hands If thee 4 queens are removed, we will have 48 cards to choose from. There are ##48xx47xx46xx45## different combinations of cards which are possible, but in...
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Waiting for answer What is a phospholipid?
A phospholipid is a lipid that contains a phosphate group as part of its structure. Many consist of a glycerol backbone with three fatty acids attached. A phospholipid consists...
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Waiting for answer The speed of sound in air is about 340 m/s. What is the wave...
##1.54bar(54) " meters"## ##"Hz" = "cycles"/"second"## ##"wavelength"## is measured as ##"meters"/"cycle"## ##color(white)("XXX")##or sometimes just ##"meters"## ##color(white)("XXX...
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Waiting for answer How do you find the explicit formula and calculate term 20 f...
The explicit formula for the progression is ##color(red)(t_n =3^n)## and ##color(red)(t_20 = "3 486 784 401")##. This looks like a geometric sequence, so we first find the common r...
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Waiting for answer How do I know when the Fnet in y direction is 0, any hint i...
Look at the in the ydirection The easiest way to say if Fnet in the y direction is 0 is to ask, "Is there any acceleration in the ydirection?" For most problems, you can intuitive...
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Waiting for answer How do you write an equation with Xintercept of 3 and yint...
##y = 2/3x + 2## By definition the xintercept of 3 is the point (3, 0) and By definition the yintercept of 2 is the point (0, 2). Because we have two points we can use the point...
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Waiting for answer How do you find the integral of ##int sec^2(5x)dx##?
##1/5 tan 5x +C## Let 5x = u , so that ##dx= 1/5 du## ##int sec^2 5x dx = 1/5intsec^2 u du## =##1/5 tanu +C## = ##1/5 tan 5x +C##
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Waiting for answer What does plural noun mean?
A plural noun indicates that there are more than one person, place, thing, or ideas. we usually add an s, es, ies at the end of the same word; but some words are outliers. source: ww...
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Waiting for answer How do you write ##3.3.3.3.y## as an exponential form?
##3^4##y ##3^4## means 3 times 3 times 3 times 3 (by definition)
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Waiting for answer What does a horizontal line mean in a speedtime graph?
It means that the speed is constant. If you were to convert this to a distancetime graph, you would get a straight line (constant slope).
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Waiting for answer What is continuity at a point?
Continuity at a point means that you can draw the function at that point without lifting up your pencil. Or in more technical terms, a small change in x produces only a small change in f(x) In order for a function to be continuous at a point it must follow three criteria: 1) f(A) must be defined 2...
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Waiting for answer What are conservative and nonconservative forces?
The forces which do not depend on the path taken are conservative forces, while those depending upon the path taken are nonconservative forces. An easy example is that of the Electric Force. Imagine a test charge '##q##' kept at the origin of a hypothetical Cartesian coordinate system. Now, put an...
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Waiting for answer How do you bisect an obtuse angle?
Any angle, including obtuse, can be bisected by constructing congruent triangles with common side lying on an angle's bisector. See details below. Given angle ##/_ABC## with vertex...
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Waiting for answer What does jurisdiction mean ?
The official power to make legal decisions and judgments. It means someone has the power to do something. Usually it is used as a legal term or a term when someone is referring to th...
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