Homework answers and tutorials

Waiting for answer What is the difference between menarche and menopause?
Menarche is the first menstruation of a girl and menopause is when menstruation physiologically stopped in an old woman.
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Waiting for answer What are some examples of fixed action patterns?
Fixed action patterns are basically actions that any is "programmed" to do. They aren't really taught to do it, but they just do it anyways. An example of this is when a type of goose sees it's eggs outside it's nest, it rolls them back in using it's beak. However, if you put something about the...
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Waiting for answer How do I find the equation for a tangent line without deriva...
The equation of the tangent line is the remainder when you divide by (xa)^2. It's EASY for polynomials. You have to examine the analytic geometry of polynomial division and you wil...
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Waiting for answer What does consistent and inconsistent mean in graphing?
Two curves are consistent if it is possible for some point to be on both. (Being on one curve is consistent with being on the other.) There is an intersection. (Possibly many intersections.) Two curves are inconsistent is it is impossible for any point to be on both. (Being on one curve is inc...
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Waiting for answer How many lobes are in the left lung?
2 lobes The left lung is smaller than the right lung. The right lung has 3 lobes the Superior lobe, Middle lobe and Inferior lobe. The left lung has 2 lobes the Superior lobe and the...
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Waiting for answer How is impulse related to momentum?
An impulse represents a change in momentum, ##J = F \Delta t## is the definition of an impulse and we can say that ##F \Delta t = \Delta p##. In fact have the same units kg m/s or N/s. If we are talking in the language of calculus we see that: ##J = \int_0^t F(t) dt' = \int_(p_1)^(p_2) dp = p_2 ...
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Waiting for answer What are London forces and dipole dipole?
These are both forms of intermolecular forces (attractions BETWEEN the molecules) Intermolecular forces are weaker than the INTRAmolecular forces that hold the atoms within a molecul...
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Waiting for answer What is an Isotope?
Isotope is a form of a chemical element wich have same number of protons but different number of neutron. Example : from the picture we know that chlor that has 37 and chlor that has 35 mass number are isotope, because both of them have same number of protons, it is 17. And they have different...
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Waiting for answer What was the main difference between the Mensheviks and the...
Menshevik means one of the fewer (minority); Bolshevik means one of the more numerous (majority). Lenin created the term Menshevik during one of early Congresses of the Russian Labou...
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Waiting for answer What determines a person's blood type?
The antigen present on the membrane of Red Blood Cell determines the See the chart below:
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Waiting for answer What is the difference between expansionary and contractiona...
Expansionary monetary policy is used by the central bank of a country to increase the supply of money in the economy and boost economic activities. Contractionary monetary policy on the other is used to curb spending in the economy by reducing the supply of money
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Waiting for answer According to Hamilton, what are implied powers?
Implied powers are powers not directly stated in the Constitution, but are assumed to exist because they are necessary. An example of an implied power might include the existence of...
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Waiting for answer What are metalloids?
are that behave as metals as well as nonmetals. In some elements, especially the lower members of groups 14 to 17, have properties of both metals and nonmetals. They are called semimetals or metalloids. Examples are silicon, germanium, arsenic, antimony, tellurium, and polonium. Chemicall...
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Waiting for answer The volume of a rectangular prism is represented by the expr...
Width of the prism is ##4## units. As the volume of a rectangular prism, whose length is ##l##, height is ##h## and width is ##w## is ##lxxhxxw##. As the volume of rectangular prism...
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Waiting for answer How does the half life of a nuclide relate to the stability...
A long halflife indicates higher stability and vice versa. Halflife is a measure of how long it takes for one half of the atoms of a nuclide to undergo radioactive decay. A short...
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Waiting for answer How do the Ka values for weak and strong acids compare?
The greater the ##K_a## value for an acid is relative to the strength of the acid, or the magnitude at which it will disassociate in water. The closer the ##K_a## value is to one the stronger it is (the term "strong acid" means that it completely disassociates). If you can remember the 6 strong a...
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Waiting for answer How do you calculate ##Arctan(  sqrt 3/3)##?
##arctan(sqrt(3)/3) = tan^1(sqrt(3)/3) = tanx = sqrt(3)/3## So basically what the problem asking you is that what angle on unit circle will give us ##sqrt(3)/3## for tangent function. You need to know the unit circle in order to find this the easy way, ##tan((pi)/6)## will give you ##sqrt(3)/...
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Waiting for answer How did Rutherford's gold foil experiment disprove the plum...
Rutherford's experiment showed that the atom does not contain a uniform distribution of charge. Thomson's plum pudding model viewed the atom as a massive blob of positive charge dot...
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Waiting for answer What is 4pi in degrees?
##pi## is 180 degrees. So, 4 times ##pi## would be 4*180= 720 degrees. There are ##2pi## radians in a circle. And we know that the entire circle is 360 degrees. That would mean ##p...
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