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October 31, 2014

Posts by mema


Total # Posts: 65

math
n (level 0) = 1 n (level 1) = 4 n (level 2) = 13 n (level 3) = 27 what is the n level ? it means n of any level .. I need an equation, pls ?
November 12, 2012

Python - Tkinter
how can I make my program to freeze in certain conditions .. unless I click "r" it will continue to work ?
October 27, 2012

math
find complex zeros of the polynomial function. put f in factored form. f(x)=x^3-6x^2+21x-26
August 24, 2012

chemistry
Serine exists in its zwitterion form at a pH of 5.7. Draw the structural formula for the same. Explain the manner in which the structural formula of polar and non-polar amino acids would vary.
July 28, 2011

Chemistry
Serine exists in its zwitterion form at a pH of 5.7. Draw the structural formula for the same. Explain the manner in which the structural formula of polar and non-polar amino acids would vary
July 27, 2011

Chemistry
A girl is celebrating her seventh birthday. Each guest is served one large slice of chocolate cake, a hamburger, French fries, and some oranges. Identify the food groups mentioned above. If one slice of chocolate cake contains 35g of carbohydrate, 15g of fat and 5g of protein...
July 23, 2011

Chemistry
What kind of molecule is NADH dehydrogenase? Where and how does it typically function?
July 19, 2011

Chemistry
The Managing Director of a well-known company on Wall Street thrives on a diet of fruit jam, bread, pasta, and coffee. She exercises intermittently. One day she decides to go to her primary healthcare provider for a routine checkup. The healthcare provider recommends that she ...
July 17, 2011

chemistry
Identify a haloalkane and describe the manner in which it functions as an anesthetic.
July 16, 2011

chemistry
In beta decay, why does the atomic number increase by 1?
July 13, 2011

chemistry
A 55-year-old woman visits a popular eatery for lunch. She orders a cheese and bacon pizza with extra cheese and has about 3 large glasses of cola (ph value 3). On the way back home, she experiences heartburn and abdominal pain, and has difficulty breathing. She drinks a lot ...
June 25, 2011

chemistry
State three examples each of acids, bases, and salts commonly used in therapeutic processes. From the examples you state, select one acid, one base, and one salt and describe how and where they are used in therapeutic processes. Please note that your examples should not ...
June 25, 2011

chemistry
Discuss in detail the healthcare applications of chemical reactions. Which chemical reactions would you consider to be of importance to healthcare professionals? Why? In which situations are these chemical reactions useful to healthcare professionals?
June 25, 2011

chemistry
Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines with a reactant (substrate) to form an unstable intermediate
June 25, 2011

chemistry
consider a neutral atom with 30 protons and 34 neutrons. What is the mass number for the atom?
June 21, 2011

chemistry
The body consist of elements, 65% oxygen is in the blood and 18% carbon. Anything in the body tends to be a compound. Is blood always 65 % oxygen and 18% carbon?
June 21, 2011

chemistry
consider a neutral atom with 30 protons and 34 neutrons. What is the mass number for the atom?
June 20, 2011

chemistry
what is the element with the electron arrangement 2 8 7
June 20, 2011

chemistry
What is the mass number of an atom of potassium that has 20 neutrons?
June 20, 2011

chemistry
The carbon tetrachloride molecule,CCi4 is what kind of molecule and bond?
June 20, 2011

chemistry
What is the mass difference between sodium ion vs. sodium atom?
June 20, 2011

chemistry
Elements in group 2A(2) 0f the periodic table from ions with a change of, How would I find this out. 1+ 1- 2+ 3+ 0
June 19, 2011

Chemistry
A freshman is currently enjoying the Arts Studio program she is pursuing at a well-known university. In her free time, she likes to skate, take salsa dance lessons, and cook. She particularly enjoys pickling and decides to pickle olives over a leisurely weekend. According to ...
June 19, 2011

Chemistry
A freshman is currently enjoying the Arts Studio program she is pursuing at a well-known university. In her free time, she likes to skate, take salsa dance lessons, and cook. She particularly enjoys pickling and decides to pickle olives over a leisurely weekend. According to ...
June 16, 2011

Chemistry
thanks
June 16, 2011

Chemistry
Analyze the properties of a sodium atom and a sodium ion. What are the differences in mass, stability, and reactivity that are caused due to the differences between the sodium atom and sodium ion?
June 16, 2011

chemistry
thank you
June 15, 2011

chemistry
A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of December, he develops an upper respiratory infection, starts coughing continuously, and has a high fever of 39°C. His condition remains the same even ...
June 15, 2011

chemistry
Every measurement has a measurement uncertainty. Discuss how precise and accurate measurement can be achieved in spite of the inherent measurement uncertainty. You could use either of the two options given below. • Take a ruler and measure the height of the textbook three...
June 15, 2011

Chemistry
convert 39C fever to fahrenheit
June 15, 2011

algebra
Multiply -5x+4 by 4x^2+x
June 9, 2011

algebra
Use polynominal long division to divide -4x^3+24x^2-24x+4 by x^2-5x+1
June 9, 2011

algebra
Joe has a collection of nickles and dimes that is worth $7.65.If the number of dimes was doubled and the number of nickles was increased by 35, the value of the coins would be $14.30. How many nickles and dimes does he have?
June 9, 2011

algebra
Given the quadratic function f(x)=9x^2-36x+36 find a value of x such that f(x)=9
June 9, 2011

alegbra
Subtract (4x+17xy-9y)-(5x-8xy)
June 9, 2011

algebra
express in terms of i 3/-104
June 9, 2011

algebra
write with postive exponents. Assume that even roots are nonnegative quantities and the demoninators are non zero (2x/y^2)-^4
June 9, 2011

algebra
Solve using the elinination method 2x+2y=20 2x-2y=4
June 9, 2011

algebra
solve using the subsitution method 4x+4y=36 4x+4y=12 If the system has no solution or an infinite number of solutions, please help me understand it.
June 9, 2011

algebra
Use the discriminant to determine the following equations have that are two different rational solutions:two different irrational solutions or exactly one rational solution or two different imaginary solution. x^2=5x+6
June 9, 2011

algebra
If a stone is thossed from the top of a 230 meter building, the height of the ston as a function of time is given by h(t)=9.8t^2-10t+230 t is seconds and h in meters. How many seconds will the stone hit the ground?Round to the nearest hundredreths place include units.
June 9, 2011

algebra
solving the equation (x+4)(x-4)=9 Eric stated that the solution would be x+4=9>x=5 or (x-4)=9=>x=13 However one of these solution fails to work when subsituted back to the original equation. Why?olve and explain the reasoning. Can someone please help me?
June 9, 2011

Algebra
Wk 6 Sec 12.7 #24 World population growth In 2008 the world population was 6.7 billion and the exponential growth rate was 1.14% per year. A.Find the exponential growth function B.Predict the world’s population in 2014 C.When will the world’s population be 8.0 ...
June 8, 2011

algebra
express as an equivalant expression that is a single logarithmic and simplfy if poissible loga(2x+10)-loga(x^2-25)
June 3, 2011

algebra
rewrite as an equivalent loganthmic e-^2=0.1353
June 3, 2011

algebra
find the quotient 9a^2-b^2/3a-b
June 1, 2011

algebra
find the quotient y^4+3y-1/y^2-3
June 1, 2011

algebra
the area of a rectangular swimming pool is given by 4x^2+9x+2ft^2.One side length of the pool by 4x+1feet. What is an algebraic expression for the other side lengeth of the pool and simplify and include correct units as a part oy your answer. please help
June 1, 2011

algebra
find the quotient 6x^3-5x^2-13x+13/2x+3
June 1, 2011

algebra
find the vertex and the axis of symmetry andf(x)=x^2-10x+21` graph the function
May 26, 2011

algebra
determine what type of number the solutions are and how many solutions exist 5x^2=48x
May 26, 2011

algebra
Replace each equation with constants to complete the square and form a true equation x^2+2x+--=(x+---)^2
May 26, 2011

algebra
find the product (1/7x^2-2/5)1/2x+1/2 Can someone show me how to find the product?
May 26, 2011

algebra
Add the following polynimal (1/10x^2-1/2x-3/10)+(1/2x^2+1/4x-1/5 Show me how to do this please?
May 26, 2011

algebra
Consider that the age x of a unicorn in human equivlant years can be given by the formula f(x)=0.097326x^3-1.3367^2+12.46+3.914. When a unicorn is 2.5 years old, what is its age in human equilvant years. 12years old
May 26, 2011

algebra
Bob barber shop estimates their gross revenue for the second quarter to be given by the polynimal 3x^3+6x^2+3x+3. The shop estimates their cost for the quarter to be given by 9x^2-6x+5. Find and simplify the polyminal that will represent their profit. Will someone show me how ...
May 26, 2011

algebra
4x^3-6x^2+7what is the polynomial is it a trinomial can be evaluated at x=.1/3 coeffcient of 6 is it a quadratic
May 26, 2011

algebra
x-^2-3x+6 7x-0 find and simplisy
May 23, 2011

algebra
Find the product 7x(-2x^2+x-4)
May 22, 2011

algebra
Find the difference (-x^2+8x-7)-(9x^2-5x-7)
May 22, 2011

algebra
add tyhe following (-8x^2-2x+4)+(x^2-9x+7)
May 22, 2011

algebra
add the following (8.1x^2-5.9x-7.1)+-9.8x^2-8.1x-4.8)
May 22, 2011

algebra
list the coefficients of the given polynomial 2x^3+4x^2+8x-5
May 22, 2011

algebra
add the following (-8x^2-2x+4)+(x^2-9x+7)
May 22, 2011

algebra
state the degree of the given polynomial 3x^4-4x^2+7x-1
May 22, 2011

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