# Posts by samantha

Total # Posts: 1,673

**math**

Megan factored the expression (-12x^2+52x-35) as (-2x+5)(6x-7) but when Jacob applied FOIL principle and multiplied out (2x+5)(6x-7) he got (-12x^2+44x-35),thus megan's solution does not appear to check please help megan to understand better.Explain your reasoning and ...

*February 13, 2011*

**math(geometry**

W and Z are coordinates of OR and ST respectively. In parts (a)-(c) find coordinates of W and Z

*February 8, 2011*

**algebra**

answer to Solve the system of equations by graphing then classify the system 6x-y=39 6x+7y=15

*February 6, 2011*

**Math**

If f(x)= 3/x-4 and g(x)=2x, there is at least one value of x for which the composite function f(g(x)) cannot be evaluated. What is that value of x? For what value(s) of x is it impossible to evaluate g(f(x))? How do you figure this out?

*February 4, 2011*

**math**

She has 16 bracelets. The number of earrings is 2 times the number of necklaces. she has 43 pieces of jewelry in all. How many of eac piece of jewelry does she have?

*February 3, 2011*

**Math**

If f(x)=3x^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3x^2) - (1/6+x) 3x^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand (f/g) (x) 3x^2/6-x x is ...

*February 1, 2011*

**sorry left out a "x"**

If f(x)=3^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3^2) - (1/6+x) 3^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand (f/g) (x) 3^2/6-x x is all ...

*February 1, 2011*

**Algebra 2**

If f(x)=3^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3^2) - (1/6+x) 3^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand (f/g) (x) 3^2/6-x x is all ...

*February 1, 2011*

**7th social studies**

where did the pilgrims(separatists) build their settlement site on?

*January 28, 2011*

**Chemistry**

a gas has a volume of 1.75 L at -23 degrees Celsius and 150 kPa at what temperature will the gas occupy 1.30 L at 210 kPa

*January 20, 2011*

**Physics**

$53,240.60

*January 18, 2011*

**Psychology**

Andy, age 16 lacks self-discipline fails to plan ahead and is quickly frustrated by challenging tasks. He is anxious and overly critical of others. Use the psychoanalytic, humanistic, and social-cognitive perspectives to give three contrasting explanations of Andy's ...

*January 15, 2011*

**math**

WHAT are the frist 10 composite numbers

*January 12, 2011*

**math**

thanks

*January 12, 2011*

**math**

A number divisible by another number when the ________ after division by that number is 0?

*January 12, 2011*

**math**

thanks too all that helped.. and marcie its okay thanks anyways:)

*January 12, 2011*

**math**

but how do you know?

*January 12, 2011*

**math**

is 2,340 divisible by 90? how do you know?

*January 12, 2011*

**math**

u and the helper lol

*January 12, 2011*

**math**

thanks

*January 12, 2011*

**math**

thanks for the help i got another question. if 1/5 of a region is not shaded, what part is?

*January 12, 2011*

**math**

alex has 7 dimes and three nickels. what fraction of the coins are dimes?

*January 12, 2011*

**math**

camp big trees has 3 red canoes 4 blue canoes what fraction of the canoes are red?

*January 12, 2011*

**math**

12/17??

*January 12, 2011*

**math**

if 5/17 of a region was shaded wat part is not?

*January 12, 2011*

**Medical office practice**

appointments - preparing new patient appointments schedule drafting letter to patients to inform of new doctors hours

*January 6, 2011*

**physics**

a yo-yo of mass 440kg measuring 0.9m in radius was dropped from a platform 63m high. One end of the string was tied to the platform, so the yo-yo unwinds as it descends. Assuming the axle of the yo-yo has a radius of 0.2m, find the velocity of descent at the end of the fall. ...

*December 29, 2010*

**Psychology**

Question: • If each gender has an advantage based on its brain pattern, how can social scientists say that these differences create a disadvantage for females? (Think about the highest paying and highest prestige career fields and what skills are necessary for achieving ...

*December 18, 2010*

**Psychology**

sorry... explain the Glass Ceiling affect in greater detail please.

*December 18, 2010*

**Psychology**

Use the Internet to explore a sexual discrimination suit that involved the principle of the Glass Ceiling.

*December 18, 2010*

**History**

. Use the Internet to research how ethnicity affected the lives of these prominent figures in ONE of these ethnic minority groups: Henry O. Flipper and Rosa Parks (African American), Leonard Peltier and Wilma Mankiller (Native American), César Chávez and Josefina...

*December 18, 2010*

**History**

.Several states have passed legislation abolishing many policies associated with Affirmative Action. What is your opinion concerning the place of Affirmative Action in hiring practices or academic admissions?

*December 18, 2010*

**psychology**

• If each gender has an advantage based on its brain pattern, how can social scientists say that these differences create a disadvantage for females? (Think about the highest paying and highest prestige career fields and what skills are necessary for achieving success in ...

*December 18, 2010*

**pyschology**

i think that gender stereotypes are not the same as they were in the 50s but there are still stereotypes just not some much about gender i think people stereotype race and culture and how you look more now.

*December 18, 2010*

**pyschology**

Talk to your parents or older friends or relatives about gender stereotypes since the 1950s. Which, if any, gender stereotypes have remained fairly consistent since the 1950s? If you think some stereotypes are the same, what has perpetuated them? If you think we don't have...

*December 18, 2010*

**Chemistry (stoichiometry**

well thank you both that really helped...=D

*December 17, 2010*

**Chemistry (stoichiometry**

(This homework question has been removed due to a copyright claim submitted by K12, Inc.) _----------_ [" okay this is what i got and im not sure if i did it right nor do i know if i answered everything the questions wanted so could you help me out please"] _...

*December 17, 2010*

**4th grade**

what is 27×19 in expanded algorithm?

*December 13, 2010*

**chemistry Molarity**

529.5

*December 11, 2010*

**4th grade**

do u know how to bulid the alamo ?well me nither so lets find out

*December 9, 2010*

**math**

To fond what is the same in the 8 and the 9's

*December 9, 2010*

**algebra**

whta is the rule? m 2 4 6 8 n 18 16 14 12

*December 8, 2010*

**discrete math**

Let A= {for all m that's an element of the integers | m=3k+7 for some k that's an element of positive integers}. Prove that A is countably infiite. Note: you must define a function from Z+ to A, and then prove that the function you definied is a bijection

*December 4, 2010*

**Discrete Math**

Let a, b, c, and d be integers, and let n be a positive integer. Prove that if a is congruent to c mod n and b is congruent to d mod n, then (a-b) is congruent to (c-d) mod n

*December 4, 2010*

**AP Chemistry**

Two solid objects, A and B, are placed in boiling water and allowed to come to temperature there. Each is then lifted out and placed in separate beakers containing 1000 g water at 10.0 degrees Celsius. Object A increases the water temperature by 3.50 degrees Celsius; B ...

*December 2, 2010*

**chemistry help!**

A sample of methane gas, CH4 was collected over water at 25 degrees celcius and 720 torr. The volume of the wet gas is 2.50L. What will be the volume of the dry methane at a standard pressure?

*December 1, 2010*

**Chemistry**

Two solid objects, A and B, are placed in boiling water and allowed to come to temperature there. Each is then lifted out and placed in separate beakers containing 1000 g water at 10.0 degrees Celsius. Object A increases the water temperature by 3.50 degrees Celsius; B ...

*December 1, 2010*

**chem homework**

a gas occupies a volume of 410mL at 27 degrees Celcius and 740mm Hg pressure. Calculate the volume the has would occupy at STP.

*November 30, 2010*

**science**

how do you write the chemical equation for liquid pentanol (C5H12O) and gaseous oxygen ? Thanks ~Samantha~

*November 29, 2010*

**6TH GRADE MATH**

what is the shape? and what is your question?

*November 29, 2010*

**Math**

^ same as bobpursley. my only guess would be 24 degrees - 7 degrees = x and then again i have no idea what you are wanting to know.

*November 29, 2010*

**chem**

what are 6 elemts that make up Yellow Gold? What are 6 elements that make up White Gold? What are 5 elements for platinum for gemstone settings? what are 2 elements that make up palladium for gemstone settings? what is 1 element that makes up a diamond? 3 elements that make up...

*November 29, 2010*

**chemistry**

What is the total number of valence electrons that must be shown in the Lewis structure for magnesium fluoride I think 16 but im not sure

*November 29, 2010*

**chemistry**

Most elements are stable with eight (8) valence electrons. True or False Elements react in order to gain, lose, or share electrons. True or False

*November 29, 2010*

**algebra 2**

Write (1.8x10^-12) (2.1x10^-3) in scientific notation

*November 27, 2010*

**physics**

An electric pump needs to be installed on a deep well to provide water. If the well is 30m deep and 50L of water must be pumped out per minute. How powerful a pump is needed ? (watts)

*November 23, 2010*

**Math**

Kelly has a 2.89 GPA after 54 credits. She is taking 16 credits this quarter. What must her GPA be this quarter to raise her ovarall GPA to 3.0

*November 22, 2010*

**college chemistry**

What is the entropy change for the vaporization of 2.6 mol H2O(§¤) at 100◦C and 1 atm? dH= 40700 J/mol Answer in units of J/K

*November 19, 2010*

**college**

I will like to know are these correct sentences. Their are three kids in the room. We have been married for 20 years, and are relationship is as strong as ever. I’m having trouble with my car. Can you give me some advise? The diplomats are doing what they can to restore ...

*November 18, 2010*

**college**

I will like to know is this pargraph is correct. Why are many students choosing to pursue their college degrees using their home computers. Benjamin Franklin said; A penny saved is a penny earned.” This principle applies to the american and foreign online student. Today ...

*November 18, 2010*

**college alg HELP!**

I know how to set it up but I cannot get the three solutions right. I solve by addition and what not but cann't ever get the right answer!

*November 18, 2010*

**college alg HELP!**

I cannot figure a way to do this problem: An investment of $98,000 was made by a business club. The investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second 6%, and third 9%. The total interest from the ...

*November 18, 2010*

**English title help!**

I need help thinking up a title for my paper!! My paper is about contrast between passionate, youthful love and mature, steady love it is about the book "O Pioneers!" by Willa Cather.. Cather implies that passionate love is dangerous and unstable and is unlikely to ...

*November 17, 2010*

**world history**

describe the role of education in athens and sparta

*November 16, 2010*

**math**

write a decimal number for each word name nine thousand,six hundred five and nine tenths

*November 15, 2010*

**math**

how would you write in a decimal:nine tousands,six hundred five and nine tenths

*November 15, 2010*

**Econnomics**

By what percentage did the price of a newspaper rise?

*November 11, 2010*

**social studies**

what are three methods to survey an area in archeological process?

*November 10, 2010*

**Psyc- Lifespan Development**

What are theoretical causes of behavior in adolescent self esteem?

*November 9, 2010*

**Psyc- Lifespan Development**

Slef esteem in Adolescents *What are theoretical causes of behavior- should include more than one theoretical explaination / discussion *relevance to overal development

*November 9, 2010*

**college algebra**

Use the theorem on bounds to establish the best integral bounds for the roots of the equation: w^(4)-8w^(3)+2w^(2)+10w-1=0

*November 8, 2010*

**English, PLEASE HELP ASAP**

Okay this is what I wrote, please let me know...-- This morning at work I look out to this Chicago city as gloomy and sad. Sad is how I would describe where I am at as of now, sad because I am the lowest I have ever felt. Work does not satisfy me compared to when I was out in ...

*November 8, 2010*

**English, PLEASE HELP ASAP**

BOOK "O PIONEERS!" On pages 68-69, Alexandra and Carl Lindstrum have a conversation where they compare the different paths their lives have taken. At the bottom of page 68, the paragraph begins with Carl saying--“Freedom so often means that one isn’t needed...

*November 8, 2010*

**12th grade**

small group that study bills

*November 5, 2010*

**Math**

I'm really struggling with how to set this up: A company has 18 members on its management team,10 men and 8 women. There is a conference in Hawaii, and the company decided to send 5 people. If the selection of five people is random, find the following probabilities. I got ...

*November 4, 2010*

**5th grade**

a parallegram has a height of 4 meters and sides of 5 meters and 7 meters. What is its area in square meters?

*November 3, 2010*

**math**

if there is a height of 4 meters and sides of 5 meters and 7 meters"what is the area of the square meters

*November 3, 2010*

**chemistry extra credit**

If you eat something very hot or spicy, and need to quickly "douse the burning sensation" in your mouth, water does not work as well as other possibilities. What is best for producing relief and why?

*November 3, 2010*

***chemistry**

What is the source of Dr. Seuss' Green Eggs and Ham? (Why do hard boiled eggs sometimes have green coated or tinged egg yolks?)

*November 3, 2010*

*****chemistry**

Why is vinegar recommended for cleaning coffee pots, steam irons, and kitchen and bathroom faucets with white deposits on them? Why does it work, and what is the chemical equation for how it works?

*November 3, 2010*

**calculus**

What is the formula for figuring out the Tangent of a "S" Curve?? R=3000?

*November 3, 2010*

*****chemistry**

The Morton Salt Compant instroduced a logo and slogan for advertising its salt in 1911. This is one of the oldest and most successful ad campaigns ever, but what does it mean and where and why did they come up with it? (describe the chemical basis for it)

*November 3, 2010*

**algebra HELP ASAP**

If $13,000 is deposited in a bank account paying 6% compounded quarterly, what amount will be in the account after 8 years? How much interest will be earned during the 8 years? The amount after 8 years will be $___ How much interest will be earned during the 8 years? _____

*November 2, 2010*

**college algebra HELP**

How long does it take for a deposit of $1400 to double at 10% compounded continuously?

*November 2, 2010*

**Chemistry**

If you have red solution, at what wavelengths should it absorb light, at what wavelengths should it NOT absorb light?

*November 1, 2010*

**Algebra**

To convert from centimeters to inches, multiply the number of centimeters by 2.5. True or False?

*November 1, 2010*

**college algebra HELP**

The population of a city was 166 thousand at the begining of 2004. The exponential growth rate was 1.5% per year. Use the formula P(t)=P[o]e^(kt) where P[o] is the population in 2004 and k is the exponential growth rate. a) predict the population in 2016, to the nearest ...

*November 1, 2010*

**algebra**

So does that mean that it is False?

*November 1, 2010*

**algebra**

$6 for two pounds is an example of unit rate. True or False?

*November 1, 2010*

**algebra 2**

A farmer wants to raise corn and soybean on a 2010 acre of crop land. Each acre of corn requires 2 hours of labor during growing season while each acre of soybean requires only 1 hour of labor. The total amount of hours of labor available during growing season is 340 hours. ...

*October 31, 2010*

**college algebra**

Use Descarte's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation -5r^(4)+6r^(3)+9r-15=0

*October 27, 2010*

**college algebra**

Use the theorem on bounds to establish the best integral bounds for the roots of the equation w^(4)-8w^(3)+2w^(2)+10w-1=0

*October 27, 2010*

**college algebra**

Use the theorem on bounds to establish the best integral bounds for the roots of the equation w^(4)-8w^(3)+2w^(2)+10w-1=0

*October 27, 2010*

**3rd grade math**

explain how you can use the basic fACT FOR 9+6=15 TO SOLVE THE NEXT EQUATION

*October 26, 2010*

**College algebra**

Find the equation with x-intercepts (4,0),(-3,0) and (2,0) and y-intercept (0,12)

*October 26, 2010*

**Chemistry 106**

What are the elements used to make the ingrediants of each category (the same element may be listed in several categories, but a maximum of once in each of the 6 categories, no matter how many different ingrediants it may be in)? **name of the element with the symbol and ...

*October 26, 2010*

**Algebra 1**

x^2-6x(3-6x)

*October 26, 2010*

**math**

Find all real and Imaginary solutions 7x^(3)+70x^(2)-x-10=0

*October 26, 2010*

**physics**

A 15kg box is resting on a hill forming an angle of a horizontal surface. The coefficient of static friction for the box on the surface is 0.45. Calculate the maximum angle of the incline just before the box starts to move.

*October 22, 2010*

**Math**

find all real and imaginary solutions x^(2/3)-2=x^(1/3)

*October 21, 2010*