Monday

November 30, 2015
Total # Posts: 421

**algebra**

You decide to market your own custom computer software. You must invest $3,255 for computer hardware, and spend $2.90 to buy and package each disk. If each program sells for $13.75, how many copies must you sell to break even?
*December 21, 2012*

**geometery**

1.given the function y=x^2-4x+5,find the following: a.vertex b.maximum or minimum c.axis of symmetry d.y-intercept e.x-intercept(zeros) f.graph
*October 25, 2012*

**perimeter and area**

what is 800cm times 15cm help me find the area cm2
*October 19, 2012*

**Physics **

A bullet is fired straight up from a gun with a muzzle velocity of 148 m/s. Neglecting air resistance, what will be its displacement after 6.3 s? The acceleration of gravity is 9.8 m/s2 .
*October 7, 2012*

**Mathematics**

A jar has eight red, nine blue, and ten green marbles. What is the least number of marbles that you can remove from the jar and be certain that you have three of the same color?
*September 30, 2012*

**chem**

How much heat is necessary to change 5 grams of water at 10 degrees celcius to water at 70 degrees celcius?
*September 23, 2012*

**5th grade math**

the Answer is very simple USE YOUR NOGIN!
*September 13, 2012*

**physics**

A small mass m hangs at rest from a vertical rope of length l that is fixed to the ceiling. A force F then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an angle (theta)=(theta)0 and the mass has been raised by a vertical ...
*May 22, 2012*

**physics **

small mass hangs at rest from a vertical rope of length that is fixed to the ceiling. A force then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an angle and the mass has been raised by a vertical distance . Assume the force&#...
*May 22, 2012*

**physics**

A large 63.0kg board is propped at a 44 degree angle against the edge of a barn door that is 2.5 m wide. How great a horizontal force must a person behind the door exert (at the edge) in order to open it? Assume that the coefficient of friction between the board and the door ...
*May 16, 2012*

**R.H dana**

i forgot my spelling words how do i prent my homework out miss.pitkin
*January 31, 2012*

**Spanish-I'm sorry SraJMcGin**

Hi SraJMcGin, I'm realy sorry I asked this question again-I never saw your post from a few days ago-I only saw what was posted by a Lore-that's why I asked what I did because the post by Lore changed some things around that I didn't understand-I never saw your post...
*January 5, 2012*

**Spanish-Thank you Ms. Sue**

Thank you. I appreciate it
*January 5, 2012*

**Spanish-Please check SraJMcGin**

Hi, I redid some of the answers as suggested yesterday from someone who responded to my post. Could you please see if I did them correctly-Thank you- I made the corrections-someone yesterday redid a question but the questions shouldn't be redone-that's my homework-the ...
*January 5, 2012*

**Spanish-8th grade-Please check**

I apologize. I posted once early yesterday and then late. The person who answered caught a few mistakes which I now corrected.However, the person who responded changed the questions which I had to answer.The questions can't be changed-all I had to do was answer them. All I...
*January 5, 2012*

**Spanish-8th grade**

I made the corrections-someone yesterday redid a question but the questions shouldn't be redone-that's my homeowrk-the answers isare mine and I'm not sure if they're correct. 1. ¿Dónde estuvo tu mama ayer? Mi mamá estuvo en la tienda. 2. &...
*January 5, 2012*

**Spanish-8th grade**

Thank you for helping- I see what is wrong in mamá-except number 3 was asking "adonde" not Dónde-would it still be same answer? Also, number 5, I'm not sure I understand-shouldn't la escuela be separate from "yo empecé" ??
*January 4, 2012*

**Spanish-8th grade**

Please check 1. ¿Dónde estuvo tu mama ayer? Mi Mama estuvo en la tienda. 2. ¿Tocaste un instrumento la semana pasada? Sí, yo toqué un instrumento la semana pasada. 3. ¿Adonde fuiste el lunes pasado? Yo fui a la escuela el lunes pasado...
*January 4, 2012*

**Spanish 8th grade**

I had to answer the above questions-I'm not sure if I answered them correctly-expecially number 3 Thank you for helping
*January 4, 2012*

**Spanish 8th grade**

1. ¿Dónde estuvo tu mama ayer? Mi Mama estuvo en la tienda. 2. ¿Tocaste un instrumento la semana pasada? Sí, yo toqué un instrumento la semana pasada. 3. ¿Adonde fuiste el lunes pasado? Yo fui a la escuela el lunes pasado? 4. ¿C...
*January 4, 2012*

**Spanish-Please check also**

Thank you for checking these-it was a typo in son conjugated as fueron Thank you again Happy New Year!!
*December 30, 2011*

**Spanish-Please check also**

I couldn't number these because it kept saying I wanted to post a website URL I had to conjugate each vwerb in the past tense for above assignment-thank you
*December 30, 2011*

**Spanish-Please check also**

hago-hice tiene-tuvo corremos-corrimos juego-jugué son-fueron juegan-jugaron piensa-pensó pienso-pensé entienden-entendieron tienen-tuvieron andan-anduvieron patinan-patinaron corren-corrieron pescan-pescaron hacen-hicieron pregunta-preguntó doy-di ...
*December 30, 2011*

**Spanish**

Thank you for answering and catching that one
*December 30, 2011*

**Spanish-Please another to check**

Please also check these-I had to post twice to get them listed-had a problem numbering the answers
*December 30, 2011*

**Spanish**

Did I conjugate these correctly? 1.tomo-tome 2.tengo-tuve 3.es-fue 4.quiero-quise 5.deseo-deseé 6.dicen-dijeron
*December 30, 2011*

**Spanish-8th grade**

I was told to conjugate poder in the past tense for 1-4-so I knew what I wa suppose to conjugate Thanks for helping me-I really appreciate it
*December 30, 2011*

**Spanish-8th grade-Please recheck**

Please recheck number eight
*December 30, 2011*

**Spanish-8th grade**

Number eight got cut off-it should read supieron I think??? I have Windows XP
*December 30, 2011*

**Spanish-8th gradePlease check**

After someone please checks this, could you also explain how to do accents on the keyboard-I always use Spanishtypeit which is a pain at times to go back and forth with- I have Windows PC
*December 30, 2011*

**Math**

An engineer is desingning a parabloic arch, the arch must be 15 m high , and 6 m wide, at a height of 8 m a) determine a quadratic fundtion that satisfies these conditions b) what is the width of the arch at its base
*October 25, 2011*

**Math**

The height , in metres, of the trajectory of a football is given by h(t)=2=28t-4.9t^2, where t is the time in height of the football and the time when the height is reached
*October 25, 2011*

**writing**

can someone proofread?
*October 10, 2011*

**writing**

Freedom Doesn’t Come Free What is something you can never show much gratitude for? Well, veterans have done many wonderful things for our country, especially freedom. Freedom is a debt that can we can never repay veterans for. One reason I said they fought for freedom was...
*October 10, 2011*

**Chemistry **

exothermic
*October 10, 2011*

**writing**

I have two coins. Their sum is $0.55. One of them is not a nickel. What coins do i have?
*October 10, 2011*

**Chemistry**

A 2.64 L container is filled with 169 g of argon. (a) If the pressure is 10.0 atm, what is the temperature? ____K (b) If the temperature is 225 K, what is the pressure? What Gas law formula would I use?
*June 28, 2011*

**Chemistry**

A 2.64 L container is filled with 169 g of argon. (a) If the pressure is 10.0 atm, what is the temperature? ____K (b) If the temperature is 225 K, what is the pressure? What Gas law formula would I use?
*June 28, 2011*

**health**

who are resonsible if the doctors office suffers a power outage. the doctor, or the agency managing the computerized data for the doctor????
*June 15, 2011*

**math**

3.6
*June 6, 2011*

**math**

Find a parametric description for the ellipse having the focus F=(0,-4), corresponding directrix y=3, and eccentricity e=3/4.
*May 25, 2011*

**math**

What is the distance between the parallel planes: ax+by+cz=d1 and ax+by+cz=d2?
*May 22, 2011*

**math**

Is it possible for the lengths of a right triangle to form a geometric sequence? If yes, determine the lengths and the measures of the acute angles. if it's not possible, explain why not.
*May 22, 2011*

**math**

illuminated by the rays of the setting Sun, Kelly rides along on a merry-go-round casting a shadow on a wall. The merry-go-round is turning 36 deg per sec. Kelly is 25 ft from its center, and the Sun's rays are perpendicular to the wall. At what rate is the shadow moving ...
*May 22, 2011*

**Math**

What is the distance between the parallel planes 2x+y-3z=13 and 2x+y-3z=35?
*May 21, 2011*

**math**

why do you have = signs in part a?
*May 12, 2011*

**math**

Given the plane 2x-3y+7z=4, a) Find the equation for the line perpendicular to the plane that intersects the plane at the point P=(6,5,1). b) How far is it from the point (4,-2,3) to the plane?
*May 12, 2011*

**math**

Apply logarithms to create a linear relationship: ((x^3)(y^1.5))/(z^.5)=k
*May 11, 2011*

**english homework**

Are there language errors? please
*April 25, 2011*

**english homework**

nobody?! please help me
*April 25, 2011*

**english homework**

Hello, sorry I just saw the last message then I would like help in order to correct the dialogue: spelling, vocabulary, grammar... Be intransigent even if it's my second language tell me if something can seem illogical Look at the dialogue: D: doctor M: patient's ...
*April 25, 2011*

**english homework**

thanks
*April 25, 2011*

**english homework**

Hello! I have to write a dialogue with 3 characters, the subject is "hello doctor!" I probably make a doctor with a patient and the patient's mother, my idea consists of simulating (a lot of )illnesses in order to not to go to school (it's about the little ...
*April 25, 2011*

**physics**

20.7
*March 25, 2011*

**Calc**

find the slope of the tangent to the curve: y^2=x^3/xy
*February 22, 2011*

**Calculus**

find the derivative of 4x(lnx+ln9)-9x+e
*February 21, 2011*

**Calculus**

find the derivative of g(a)=sin(arcsin(9a))
*February 20, 2011*

**physics**

a crate is pushed to the top of a frictionless inclined plane 15 m long with a force of 25 N. If the crate weighs 125 N, how high is the inclined plane? 0.5 m 1 m 3 m or 5 m
*February 19, 2011*

**math**

what is 8x-2y=-6 please help in simple form
*February 8, 2011*

**maths**

i have got to find the perimeter of a triangle that has one side of 8x-7w another that says 3x+9y and then another that says 3y+5w whats the perimeter of the triangle ??? please help
*January 21, 2011*

**science**

How many moles of oxygen molecules, O2, are required to produce 0.268 mol of K2Cr2O7? Show your work.
*December 29, 2010*

**Physics**

An isolated 3 kg object is moving in the positive y direction along the -y axis at 2 m/s; when it reaches the origin it breaks into two pieces sending a 1 kg fragment in the +y direction at a speed of 3.7 m/s. what are the velocity and direction of the other piece immediately ...
*December 16, 2010*

**Physics**

a 60 kg person falls off a 15 kg sled moving at 2 m/s. The person doesn't move after falling. Assuming no friction with the ice, and not other net forces acting on the sled, what is the change in velocity of the sled after the person falls off.
*December 16, 2010*

**10th grade math help**

How do you solve? 3-3sinx-2cos^2(x) = 0
*December 13, 2010*

**4th grade algebra**

-21... oh the days of fourth grade... have fun!
*November 12, 2010*

**math gr.6**

im in 6th grade but i have this book that says scott forson its blue
*November 2, 2010*

**Foreign Languages**

ok french and russian
*November 2, 2010*

**Foreign Languages**

o ok
*November 2, 2010*

**Foreign Languages**

how do you say goodafternoon in evry laungega
*November 2, 2010*

**english 6th grade**

what if it says Marco, my older brother, likes to play ________________ tennis. my older brother is underlined would that be nonrestrictive or restrictive
*November 2, 2010*

**english 6th grade**

Please help Ms.Sue its a six grade level.
*November 2, 2010*

**english 6th grade**

what does restrictive and nonrestrictive mean???????
*November 2, 2010*

**science**

what man made object has the greatest acceleration ?
*November 2, 2010*

**spanish 6th grade**

tnks
*November 1, 2010*

**spanish 6th grade**

how do you say what is your favorite food in spanish
*November 1, 2010*

**science**

is it condensationi am not sure
*November 1, 2010*

**science need help!**

i am doing questions and i just want to say i need help the question says ____________ affects how much moisture is in the air i dont get it
*November 1, 2010*

**math**

the area of a rectangle is 60cm.the length is 11cm more than the width. find the width.
*November 1, 2010*

**psyc**

Studies that have overcome methodological problems in examining intelligence scores for African-Americans as compared to people of Anglo- Saxon descent revealed: that the test results were useless because racial prejudice invalidated them. that African-Americans scored higher ...
*October 31, 2010*

**psyc**

According to Noam Chomsky, language is primarily acquired through: an innate mental module. our parents correcting us. imitating our parents. trial and error. I chose B. Is this right?
*October 31, 2010*

**psychology**

Now I am a little confused...was my first option right?
*October 31, 2010*

**2nd grade,science**

run dance play talk so much more!!!
*October 31, 2010*

**6th grade**

ok thank you so much! :)
*October 29, 2010*

**6th grade**

but what if the problem is 16 2/7 - 10
*October 29, 2010*

**6th grade**

sooo will it be the same if you had 16 2/7 -10 ______________ you would have to change 10 into 9 and and put 7/7 so it would be like this 16 2/7 -10 7/7 but you would have take something to make it a problem
*October 29, 2010*

**6th grade**

how do you solve a problem when you have one whole # with a whole # and fraction. this is subtracting ex: 16 -10 2/7 ________________
*October 29, 2010*

**english**

why is Theodor a hero and why is he so important
*October 18, 2010*

**Calculus **

Find the derivative by the limit process. 6/√(8x)
*October 15, 2010*

**Calulus **

Consider the following function. f(t) = 3t2 − 3 (a) Find the average rate of change of the function below over the interval [3, 3.1]. (b) Compare this average rate of change with the instantaneous rates of change at the endpoints of the interval. (at t = 3) (at t = 3.1)
*October 15, 2010*

**calculus**

The tangent line to the graph of y = h(x) at the point (-6, 9) passes through the point (6, 2). Find the following values. (a) h(-6) (b)h '(-6)
*October 15, 2010*

**Physics**

an canoe is 5.67 in m how long in cent?
*October 14, 2010*

**5th grade**

l=32 l=2 (e) l=5 (e) l=(2xe)+(5xe)=L e=4 m=8 o=20
*September 30, 2010*

**calculus**

Determine the equation of a curve in the xy-plane that passes through the point (0, 1) and has the slope x2 sin 4x at any point (x, y) on the curve.
*September 29, 2010*

**math**

3x³=90
*September 16, 2010*

**math**

-3.1
*September 16, 2010*

**writing**

I have to write a thesis statement on a belief i have that have changed and why
*July 20, 2010*

**General Chemistry**

What happens to the rate of evaporation of a liquid after… a. a decrease in temperature b. an increase in the surface area of a liquid exposed to air c. an increase in the intermolecular forces
*July 14, 2010*

**math**

This is a place for homework help, not for chatting and randomness.
*June 1, 2010*

**science**

The greatest velocity a falling object reaches is called its what?
*May 6, 2010*

**chemistry**

how many grams of copper hydroxide can b prepared from 2.7g of copper (II) nitrate and excess sodium hydroxide?
*March 23, 2010*