Wilson Liang
eNotes Educator
Achievements
21
Educator Level
46
Answers Posted
25
Answers Bonused
About
Earned Badges

eNotes Educator
This badge is awarded to all eNotes Educators. Only official Educators can answer students' questions on our site. Educators are teachers, professional researchers, and scholars who apply to our... 
Science Whiz
Bonuses are awarded when an Educator has gone above and beyond and impressed the editorial team by offering an especially lengthy, nuanced, or insightful answer. This badge is given to an Educator... 
Math Whiz
Bonuses are awarded when an Educator has gone above and beyond and impressed the editorial team by offering an especially lengthy, nuanced, or insightful answer. This badge is given to an Educator...
Recent Activity

Answered a Question in Science
For the determining which atom loses an electron and which atom gains an electron, it is often very useful to consult the periodic table. From there, we are able to examine the chemical properties... 
Answered a Question in Math
$1,200 TV; 10% discount Due to the ambiguity of this question, we will find the solution with the consideration of two likely situations: 1. Find the original price of the TV if it is now $1,200... 
Answered a Question in Math
`a^(x+3)=b^(1)` We want to isolate x, but there is no simple step to do that just yet since it is in the exponent form. So we must first take the log of both sides and apply the... 
Answered a Question in Science
In an enzyme lab, one would generally perform an enzyme assay with varying conditions to determine how the rate of the enzyme is affect. If we are testing the effect of salt concentration, then the... 
Answered a Question in Science
The answer is D. In PCR amplification, the target DNA is first denatured by heating it up to about 9498 degree Celsius. This open up the double stranded DNA so that the primer can bind to it... 
Answered a Question in Science
NiemanPick disease type A is an autosomal recessive trait. That means its is represented by the recessive allele in the gene, and it can be masked (showing no physical effects) if there is a... 
Answered a Question in Science
By the definition of "carrier," Asha does not exhibit any physical features (phenotype) of the NiemanPick disease, but she carries an allele for this disease. In order for this to be possible,... 
Answered a Question in Science
Speciation is an evolutionary process that produce a biological species. Geographic isolation can lead to speciation because the environment plays a role in natural selection. In other words, the... 
Answered a Question in In the Garden of Beasts: Love, Terror, and an American Family in Hitler's Berlin
Many were reserved about Dodd's suitability for the job due to his belief that one should live modestly, while many others insisted on living the more of a better lifestyle, which is what "the... 
Answered a Question in The Land of Green Plums
One incident is when Tereza befriends the narrator under Pjele's order and eventually betrays the narrator to the Securitate. A more abstract form of betrayal can be seen in the suicide of Lola,... 
Answered a Question in Math
Other critical points are the xvalues that make the `(1/(2*sqrt (17x)^2)` undefined. Solving for x, we will get `x = +sqrt (1/7)`. So, `+sqrt (1/7)` are additional critical points. 
Answered a Question in Math
One thing that was overlooked is that the `sqrt(5*15)` can be plus or minus so the full, complete answer is `+ 5*sqrt (3)` . 
Answered a Question in Science
The power rating tells us the amount of power that a resistor can safely dissipate as either heat or light without it breaking. In this case, the maximum power that the light bulb filament... 
Answered a Question in Math
Going from the above answer, the area of the circle is given by `A=pi*r^2` , which in this case equals `A=pi*17^2=289pi` 
Answered a Question in Science
The most simple reason that generally applies for many types of organisms is that they thrive in a specific range of temperature. As a result, growing the same organism (usually bacteria) on two... 
Answered a Question in Science
Science knowledge can be defined as an understanding of how and why certain science phenomena occur in nature. Usually, growth in science knowledge is initiated when we observe an occurrence,... 
Answered a Question in Science
Dyslexia is a learning disability that appears to be passed on through genetics. Although somebody with this disability may have difficulty with reading, writing, listening, and/or speaking, they... 
Answered a Question in Physics
eNotes policy only allows for one question per submission so I have editted your question accordingly. I have decided to demonstrate the more difficult question so if you understand these concepts,... 
Answered a Question in Math
3x+2y=16 It is indeed true that the two lines do not intersect due to them having the same slope and not being the same line. If they are not the same line and have the same slope, that means that... 
Answered a Question in Math
If we are looking for the cost of the rack after being marked up 50%, we can just add the marked up dollar value to the original price of the DVD rack, which has already been calculated to be... 
Answered a Question in Math
Trigonometry describes the relationship between the angle of the sides or the sides themselves of a trigonal shape. These relationships can be applied in calculating the distance of objects, the... 
Answered a Question in Science
A shortedcircuit is where the current in the original circuit flows through another, unintended path. (Different than the misuse of "shortcircuit" to describe any electrical malfunction.) ... 
Answered a Question in Math
The window manufacturer makes a range of windows for which the height is 50 cm greater than the width. Let the width of the window be x cm., the height of the window is x + 50 cm. The area of the... 
Answered a Question in Math
One important logarithmic property that can be used to solve this: `log x^a = a*log x` `4^44+4^44+4^44+4^44=4^x` Taking the log of both sides: `log (4^44+4^44+4^44+4^44) = log (4^x)` `=> log... 
Answered a Question in Math
A simpler method involving the quadratic equation may be used. `21x^2+22x=8` `21x^2+22x8=0` a = 21 ; b = 22 ; c = 8 Quadratice Equation: `x=(b+sqrt(b^24ac))/(2a)` Substituting in... 
Answered a Question in Math
Method: Simplify first. Then factor by grouping. `2x(x^3)+5x(x^2)8x20` `=> 2x^4+5x^38x20` Factor by grouping. It becomes: `x^3*(2x+5)4*(2x+5)` => `(x^3  4)*(2x+5)`... 
Answered a Question in Math
To solve for `(2x+5)/(x+4) < 1` , it is important to avoid multiplying/dividing a factor with "x" in it because "x" is unknown, and if it is a negative value, multiplying/dividing by it... 
Answered a Question in Math
Onefourth of the square root of 9 less than a number is 3. Let the number be X. => (1/4)*3  X = 3 and (1/4)*(3)  X = 3 => X = 9/4 and X = 15/4 The value of the number can be 9/4 and... 
Answered a Question in Math
The method to solving this problem is to isolate x first by adding `3/2` on both sides. `5/125/6=x3/2` `=> 5/125/6+3/2 = x` Then, in order to evaluate fractions that have a... 
Answered a Question in Science
Adding to the answer by "ncchemist," empirical formula is the simplest, reduced annotation of the ratio of atoms, which in this case is hydrogen and carbon. Empirical formula may not necessarily... 
Answered a Question in Math
`V'(r)` symbolizes the derivative of `V(r)` . When taking the derivative of a function, one must take note of the variable that is changing, which in this case is the variable "r".... 
Answered a Question in Math
The above response is correct. `lim_(h>0) (f(x+h)f(x))/(h)` is the derivative f'(x), but if the function f(x) needs to be evaluated using the limit equation, this is the method to approach the... 
Answered a Question in Math
A very similar method that might be a little bit easier to understand is to keep the `x>oo` and divide the numerator and denominator by the highest degree variable in the denominator, which in... 
Answered a Question in Science
Inert gases, also known as "noble gases," are the group 18 chemical elements on the periodic table. They are highly unreactive because its outermost atomic orbital has been filled to its maximum...