Thursday

October 27, 2016
Total # Posts: 704

**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*

**Chem Please HELP!!!!!!!!!!!!!!!**

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*

**Business Communication**

what is an example of a nonprogrammed decision for clothing manufacturer is

*March 31, 2009*

**9th grade**

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*

**help me unscramble this word**

ouonterissl

*December 15, 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**

quit asking so many questions

*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*

**human physiology help please**

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*

**Calculus**

A rocket is launched into the air verically is tracked by a radar station on the ground 3 km from the launch site. What is the veritcal speed of the rocket at the instant when the distance from the radar station is 5 km and this distance is increasing at a rate of 5 000km/hr...

*December 10, 2006*

**Pigskin Geography**

i need help

*December 9, 2006*

**Pigskin Geography**

i love to take long teards

*December 9, 2006*

**Pigskin Geography**

pooooooooooooooooooop

*December 9, 2006*

**Physics**

I input the wrong temp of the soda can so just replace the (5) with (3.05) nd that will work

*November 17, 2006*

**Physics**

To solve for Tf, use algebra to slove for unknowns. Try this: (12)(0.35)(3800)(5)+(7.15)(4186)(25)/(12)(0.35)(3800)+(7.5)(4186) and what's left over is the answer for your unknown

*November 17, 2006*