Sunday
December 11, 2016

# Posts by THOMAS

Total # Posts: 710

math
Mudder nature
March 9, 2010

MATH214
.022508352%
March 3, 2010

MATH214
2.3cm^3
March 3, 2010

Calculus
A large tank is filled with 200 gallons of pure water. Brine containing 1 pound of salt per gallon is pumped into the tank at the rate of 5 gallon per minute. The well-mixed solution is pumped out at the same rate. (a) Find the number A(t) of pounds of salt in the tank at any ...
November 23, 2009

how do I balance equasions in science?
November 22, 2009

Math
How do you do arrays and an expanded algorithm. 23 X 17?
November 16, 2009

calculus
The critical numbers are the values for x in which the function has a horizontal tangent line, so where the first derivative is zero. F1(x)=12x^2-72x+96 0=12x^2-72x+96 0= x^2-6x+8 0=(x-4)(x-2) The critical numbers are x=4 and x=2
November 9, 2009

math
the total cost of hiring a certain plumber is a flat rate of \$35 plus \$9.50/hr.Write an equation that shows the relationship between the quantities.
November 3, 2009

calculus - antiderivative
can someone help me find the antiderivative of: f'(x) = (x^2-1)/x where f(1)=1/2, and f(-1) = 0 Thanks!
November 3, 2009

math
identify the slope and the y-intercept for 5x + 20y = 60
November 2, 2009

Geography
I Believe U Should get a fairly decent grade
October 24, 2009

spanish
What Does This MEan?? te llams me gusta comer es coreer
October 24, 2009

pre calc
your answer is wrong.... redo the problem and move 1.5 and make it 5.125
October 24, 2009

math
no i knew that part its the rest
October 22, 2009

math
Two corresponding sides of similar polygons are in the ratio of 8:7. If the area of the smaller figure is 512 square meters, what is the area of the larger figure?
October 22, 2009

calculus
thanks for the reply... the question asks me to evaluate the limit using continuity, how do i justify my answer with continuity?
October 13, 2009

calculus
just wondering if someoen could help me with this limit..: lim arctan[(x^2 - 4)/(3x^2-6x)] x->2
October 13, 2009

math
It is a square. B) Its angles are not all congruent. C) Its diagonals are perpendicular bisectors of each other. D) None of the above
October 8, 2009

math
Suppose that a given parallelogram is not a rhombus or a rectangle. Which of the following can you conclude about this parallelogram?
October 8, 2009

math
True or false? In every triangle, the centroid, incenter, and circumcenter are collinear.
October 8, 2009

math
What is the difference between convex polygon and non convex polygon
October 7, 2009

math
Explain the difference between the following pairs of geometric figures: a simple closed curve and a nonsimple closed curve a convex polygon and a nonconvex polygon
October 7, 2009

calculus - limits
can someone help me determine that limit for the following function, as x --> -2? 2 - abs(x) / 2 + x
October 4, 2009

Which of the following bonding patterns DOES NOT happen? C-H-C =C= H-H All of these bonding patterns can happen.
September 30, 2009

math
A class elects two officers, a president and a secretary/ treasurer, from its 12 members. How many different ways can these two offices be filled from the members of the class?
September 28, 2009

math
Suppose that an experiment has four possible outcomes: A, B, C, and D. If P(A) = P(B) = P(C) and P(D) = 2P(A), what is the probability of each event?
September 26, 2009

math
The same car at three different dealerships had a median price of \$14,833.02. The mean price was \$14,544.43 and the range of prices was \$1476.24. What were the three prices?
September 24, 2009

math
84% of what number is 100
September 10, 2009

math
For a set of scores, will the interquartile range always be less than the range? Explain your answer with an example.
August 5, 2009

math
Suppose that you are the chief of maintenance for a large metropolitan hospital. You are trying to decide from what company to buy your next 5-year supply of light bulbs. Would you look to the company whose light bulbs have the greatest mean or the greatest median life? ...
August 5, 2009

math
Convert to standard notation 4.296 × 10^-5
July 20, 2009

math
Write the number in scientific notation. 0.000209 8,724,000,000
July 19, 2009

math
do you think you could explain to me which of these are not a function and why? 1.{(x,y)|y=cosx} 2.{(x,y)|x=y} 3. {(x,y)|y=3^x} 4.{(x,y)|x=3}
July 19, 2009

math
(x^n)/y^(1/2)
July 19, 2009

math
Can a percent of increase be more than 100%? Why or why not?
July 14, 2009

elementry math
Find the LCM of the numbers 24 and 32 by using the prime factorization method.
June 22, 2009

math
Find the LCM of the numbers 24 and 32 by using a. the listing multiples method.
June 22, 2009

math
You can use the prime factorization of a number, written as the product of powers of prime numbers, to find the number of factors the number has. First, express the number as a product of powers of prime numbers; for example, 36=2 to power 2 3 to power 3 Then increase each ...
June 22, 2009

math
You can use the prime factorization of a number, written as the product of powers of prime numbers, to find the number of factors the number has. First, express the number as a product of powers of prime numbers; for example, 36=2 to power 2 3 to power 3 Then increase each ...
June 22, 2009

math
i do but i get 51 and that is not a choice for an answer so i didn't know if the average had soemthing to do with it
June 17, 2009

math
10) A mobile library has 1122 books in its collection. If there are 22 shelves in the library, then how many books, on average, are stacked on each shelf?
June 17, 2009

math
Use front-end estimation with or without adjustment as indicated to find the value of the expression. 4) 10,656 - 3967 (with adjustment)
June 17, 2009

ALgebra
A spinner has five regions numbered 1 through 5. If the spinner is spun 100 times, we would expect about 20 of the outcomes to be Region 1. It can be determined that the spinner is unbalanced if x, the number of outcomes that result in Region 1, satisfies x-20/4 ¡Ý...
May 18, 2009

social studies
who was the leader of the first permanent colony?
April 21, 2009

what is an example of a nonprogrammed decision for clothing manufacturer is
March 31, 2009

wat jessica said buddy
February 27, 2009

Chemistry
Steiger nei von streiger sneiten mehr ruellen toft don wulka
February 11, 2009

Algrebra
How do i factor this? t2-16t+64
January 22, 2009

Algebra
How do i factor this? t2-16t+64
January 22, 2009

SKILLS FOR THE EFFECTIVE TEACHER AIDE
According to the Jo-Hari window model, what are hidden messages? A. Something that the sender knows and communicates to the receiver B. Something that the sender knows but doesn't communicate to the receiver C. Something that the sender hints to the receiver so he or she ...
January 9, 2009

science
I have to pee
December 16, 2008

Research Project on Computer Confidentiality
Well I feel better knowing I'm not the only one fed up with this. Stretching a yes or no answer is rough and the only help I found for any references is my Medical Assisting textbook, HIPAA, and common sense. Also found info from Google concerning Clinton's health ...
November 12, 2008

Science
How do you think the changing environment of the earth influenced the adaptations that allowed a class of vertebrates to thrive?
November 5, 2008

college psyc. statistic
Final Part of the problem: Find a) sY-Ŷ. , b) covXY., and c) the equation for the regression line. Round to three decimal places.
November 2, 2008

college psyc. statistic
A psychology student wanted to examine the value of predicting GPAs based on IQ scores. She recruited undergraduate students enrolled in an introductory psychology class and administered the IQ test (M = 100.260, SD = 12.985) and requested their GPAs from the registrar’s ...
November 2, 2008

Social Studies
what is representative assembly
October 28, 2008

social studies
Should a representative always do what his or her constituents voters want?
October 22, 2008

social studies
me too im stuck on that one
September 22, 2008

Probability of Mean (Statistics)
Assume 20 oz. cola bottles are filled so that the mean amount of liquid contained in the bottle is 20 oz and the standard deviation is .12 oz. If a case of 24 bottles is randomly selected from the population of all soda bottles, find the probability that the mean number of ...
June 22, 2008

Probability/Statistics
Assume 20 oz. cola bottles are filled so that the mean amount of liquid contained in the bottle is 20 oz and the standard deviation is .12 oz. If a bottle is randomly selected, find the probability that the number of ounces in that bottle is greater than 20.21 oz.
June 21, 2008

algebra
Find 1 - (g o f)(x) and simplify
June 3, 2008

algebra
Please show that 1/(g o f)(x) - 1-(g o f)(x)/(g o f)(x) = 1
June 2, 2008

algebra
Find (g 0 f)(x) when f(x) = cos x , and g(x) = x^2
June 2, 2008

math (vectors)
calculate the length of AN if a{6} {2} and b= {1} {2} Is it 6^2+4^2 36+16=52 square root of 52+7.211
May 23, 2008

Chemistry
May 12, 2008

chemistry
Products are often marketed as "organic" or "natural". What do these terms mean when applied to consumer goods? Discuss how these terms may be used to mislead a public that is not knowledgeable in chemistry. Support your opinion with references.
May 12, 2008

Physics
I have to find the eccentricity of an elliptical orbit with one focus, earth's center, E. I know the formula to find eccentricity is sqrt(1-)(b^2/a^2), but I don't know where to use the radius or if I need it. Do I just need to use the eccentricity formula to find it? ...
April 22, 2008

math
wtite 3x^2 +8x-25 in the fomr a(x+h)^2+k, where a,h and k are real numbers
April 7, 2008

Physics
A person eats a container of yogurt. The Nutritional Facts label states that it contains 195 Calories (1 Calorie = 4186 J). What mass of perspiration would one have to lose to get rid of this energy? At body temperature, the latent heat of vaporizaiton of water is 2.42 106 J/kg.
April 6, 2008

Managerial ECON
Suppose that a firm is currently employing 20 workers, the only variable input, at a wage rate of \$60. The average product of labor is 30, the last worker added 12 units to total output, and total fixed cost is \$3,600. a. What is marginal cost? b. What is average variable cost...
April 5, 2008

chemistry
When carbon dioxide is heated in a closed container, it decomposes into carbon monoxide and oxygen according to the following equilibrium equation: 2CO2(g) ---> 2CO(g) + O2(g) When 2.0 mol of CO2(g) is placed in a 5.0-L closed container andheated to a particular temperature...
March 30, 2008

math
what is 15 R on a S T
March 22, 2008

Math
What is 21 S on a D
March 22, 2008

slope-intercept form
find the slope and y-intercept 7x-4y=6 y=mx+b 7x-4y=5 y=7x/4-5/4 m=7/4b=-5/4 (?)
March 21, 2008

Biology
A spermatogonial cell undergoes mitosis before entering the meiotic cell cylce en route to the production of sperm. However during mitosis the cytoplasm fails to divide and only one daughter cell is produced. A resultant sperm eventually fertilizes a normal ovum. What is the ...
March 9, 2008

math
evaluate (a+b)^2 and mutliply (g_6h(g-6h) thanks.
March 7, 2008

Manangerial Accounting
A company had a loss of \$3 per unit when sales were 40,000 units. When sales were 50,0000 units, the company had a loss of \$1.60 per unit. determine contribution margin determine fixed costs determine the break even point in units
February 28, 2008

Physics
I am currently stuck on the second part of this problem, but the tension is rather simple. Just use F=mg, where m is the mass of the ball and g is gravity. Its that simple.
February 25, 2008

Chemistry
Thanks. That is exactly what I thought it was.
February 16, 2008

Chemistry
How do you figure equivalence volume? Do I add up all of the additions during my lab up to the point I am measuring (color change) to get the equivalence volume? I guess I am confused when it says calculate the equivalence volume, maybe it is very simply.
February 16, 2008

Physics
For a given lens in a telescope, what are the two letters corresponding to the light that gives the worst and best resolutions, respectively? (E.g., if you think that C gives the worst and A the best resolution, answer CA.) A. Green B. Red C. Yellow D. Violet E. Blue F. Orange
February 10, 2008

science
metric units are related to each other by multiples of what number
January 24, 2008

Math
A bicycle wheel is 30 inches in diameter. a. to the nearest revolution, how many times will the wheel turn if the bicycle is ridden for 3 miles. b. suppose the wheel turns at a constant rate of 2.75 revolutions per second. What is the linear speed in miles per hour of a point ...
November 19, 2007

Algebra
The larger of two positive integers is five more than twice the smaller integer. The product of the integers is 52. Find the integers. Must have an algebraic solution.
October 29, 2007

math
ok there are 50 people total and only 16 like...pizza so how do you find the percent and degrees?
October 22, 2007

math
ok does any one know how to find degrees
October 20, 2007

CHEM
Die Häufigkeit von Operationen variiert in Deutschland massiv je nach Wohnort. Das deutet auf Qualitätsmängel hin, folgern die Autoren einer Studie der Bertelsmann-Stiftung. mehr
October 15, 2007

english
nouns as objects
September 25, 2007

Behaviorial Science
Interview a person you feel comfortable asking about their personality and attitudes. • Submit your Profile Report. For this project you will choose a person who is close to your own age and interview that person to learn more about them. In addition to the interview ...
August 24, 2007

history
somebody can think of a clever name for a cereal box, that associates Lincoln, please tell me. thank you. Honest O's
April 30, 2007

Math -algebra (check plz)
ok say i was trying to find y in this equation 2x + 3y + 6z =4392. I was given x=3789-1.5y , and z = -531. so i did the working and ended up with 7578-3y+3y=7578 . If i do the math correctly ill end up with 0y = 7578 :S im pretty confused, can someone clarify if that would be ...
March 4, 2007

Alg-Substitution (check plz)
k well i had to use substitution to find the point of intersection for these 2 equations x-y=10 3x+y=11 i chose to substitute y in the first equation my final answer was (-1/2 , 5) can someone clarify this, and if it's wrong, where'd i make a mistake? In the first ...
February 22, 2007

Eng- Hyperbole example
Anyone noe an example of a hyperbole being used in romantic poetry? provide the poem, and the line being used plz. Tnx This Wordsworth poem has an example of hyperbole. http://www.bartleby.com/145/ww260.html http://www.lausd.k12.ca.us/lausd/resources/Literary.Terms.2.html#...
February 21, 2007

English - Hyperbole
what is it used for, and how and why might it appear in literature? its used to make an obvious exaggeration like "to wait an eternity" "Hyperbole is a figure of speech which is an exaggeration. Persons often use expressions such as "I nearly died laughing...
February 21, 2007

math
A cue shaped box fits exactly around a soccerball with a diameter of 22.28 cm. What percent of the box is empty space? Help understand how to get to the answer, and wat it would be Cube shaped box*
February 18, 2007

Math- finding equation
Can someone explain to me how to find the equation pf the line in the form Ax + By + C =0 if a) parallel to x=3 and passes through (-4, 3) b)perpendicular to y=4 and passes through (1, 1) c) passes through the x-int of y=2x-6 and y-int of y=-3x+6 If it is parallel to x=3, the ...
February 8, 2007

math
determine the equation of the line in y=mx+b form that passes through 1. (-8,1) & (-9, 2) 2. (3,7) & (-5, 9) 3, (-4,0) & (4,6) Part B ) For each equation Rewreite the y=mx+b equation in general form Ax+by+c=0 where A is positive b and C are integers In each problem, put in x,y...
February 8, 2007

The vein in the dura mater is called the 'dural venous sinus'.
January 6, 2007

Calculus
I was wondering how to find the x and the y intercepts of the following equation y = xe^(-x^2/2) I know for a fact that the intercept is through 0,0 but I don't know how to do this long hand. When x is zero, y is zero, and vice versa.
December 10, 2006

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