Friday

October 24, 2014

October 24, 2014

Total # Posts: 207

**algebra**

The value of a certain two-digit number is eight times he sum of its digits. if the digits of the number are reversed the result is 45 less than the original number. find the original number. **please show both equations and work... thanks =)
*February 28, 2011*

**6th grade science**

What is the 47th element in the periodic table?
*February 22, 2011*

**algebra**

please write and equation, show your work, and find the answer: 1.a certain two-digit number has a value that is seven more than six times the sum of its digits. the tens digit is 3 more than the units digit. find the number 2.In Colorado Creek, Darrell can row 24km downstream...
*February 16, 2011*

**chem.**

physical or chemical property sodium metal fohrmhs an oxide when heated with oxygen?
*February 16, 2011*

**Chemistry**

calculate the enthalpy change in delta H foor heating 250 grams of liquid water from 0 degrees celcius to 100 degrees celcius.
*February 11, 2011*

**earth**

I DONT NO
*February 2, 2011*

**algebra**

ok thanks!
*January 31, 2011*

**algebra**

okaaaay im starting to get it. so what would the second equation be again? and can you please explain it? =) thanks!
*January 31, 2011*

**algebra**

ya i did today. but i dont understand how you got 24 as the y-intercept
*January 31, 2011*

**algebra**

i do not think that is what my teacher was asking for.
*January 31, 2011*

**algebra**

you will be making hanging flower baskets. the plants you have picked out are blooming annuals and non-blooming annuals. the blooming annuals cost $3.20 each and the non-blooming annuals cost $1.50 each. you bought a total of 24 plants for $49.60. write a linear system of ...
*January 31, 2011*

**science**

how is water purified in the water cycle? why is the sun so important in the water cycle? what role does evaporation play in the water cycle? thanks!!!! :)
*January 26, 2011*

**language arts**

there are three words to use to fill in each blank... the words are 1. automatic 2. tenant 3.volley here are the sentences: 1. OCCUPANT is to _________ as CHILDISH is to JUVENILE 2. BY HAND is to _________ as PALE is to BRIGHT 3. BARRAGE is to _________ as TOUGH it to ...
*January 25, 2011*

**language arts**

i understand the relationships and i understand they are analogies and how they work. i already checked the dictionary website and i still need help.
*January 24, 2011*

**language arts**

there are three words to use to fill in each blank... the words are 1. automatic 2. tenant 3.volley here are the sentences: 1. OCCUPANT is to _________ as CHILDISH is to JUVENILE 2. BY HAND is to _________ as PALE is to BRIGHT 3. BARRAGE is to _________ as TOUGH it to ...
*January 24, 2011*

**MATH**

-402
*January 16, 2011*

**algebra**

i think the answer is (x-8)<14 the parentheses stand for the absolute value sign
*January 14, 2011*

**algebra**

write the verbal sentence as an inequality and solve the inequality. (this has to do with absolute value inequalities) the distance between x and 8 is less than 14
*January 14, 2011*

**language arts**

thanks sooooooo much!
*January 14, 2011*

**language arts**

i cant find the definition of the word cautious. i tried that dictionary website and it didn't help. please help!
*January 14, 2011*

**math**

um i got n=3
*January 12, 2011*

**algebra**

Please
*January 12, 2011*

**algebra**

the new school has exactly 1000 lockers and 1000 students. on the first day of school, the students meet outside the building and agree on the following plan: the first student will enter the school and open all of the lockers. the second student will then enter the school and...
*January 12, 2011*

**algebra**

ya and it takes me to this website where i need a membership to access the info
*January 12, 2011*

**algebra**

the new school has exactly 1000 lockers and 1000 students. on the first day of school, the students meet outside the building and agree on the following plan: the first student will enter the school and open all of the lockers. the second student will then enter the school and...
*January 12, 2011*

**science**

i don't understand how you got the answer to number 2. is matter the composition?
*January 10, 2011*

**science**

here are some science questions I've been trying to do for over an hour and i just cant figure them out! 1.how does a fan convert energy? 2.what happens to matter during both a physical and chemical change? 3.give an example of a simple closed system 4. in a fire, why does...
*January 10, 2011*

**math**

the odds that it wont happen are 7/7-1/7=6/7. so your answer is 6/7. I'm not sure what the ratio would be... perhaps 6:7 i am not a tutor
*January 10, 2011*

**algebra (inequalities)**

your club is in charge of making pins that students can buy to show their school spirit for the upcoming football game. you have made 225 pins so far, and you only have 120 minutes left to make the rest of the pins. you need to make at least 400 pins. a. write an inequality ...
*January 9, 2011*

**algebra (inequalities)**

a weaver spends $420 on supplies to make wall hangings and plans to sell the wall hangings for $80 each. a. write an inequality that gives the possible numbers of (w) wall hangings the weaver needs to sell in order for the profit to be positive b. what are the possible numbers...
*January 9, 2011*

**language arts**

i have been looking EVERYWHERE for a correct definition of the words retaliatory and immune... please help!!!!
*January 9, 2011*

**Physical Science**

group 4 because they are the group that nothing is happening to. they are what the scientists will compare the results back to. hope that helps!
*January 7, 2011*

**algebra**

im sorry, i do not understand.
*January 7, 2011*

**algebra**

solve the inequality, if possible. -2x-<-2x-1 2n>n+n then tell what type of equation it is. it is either x># (or a variation of this), all real numbers, or no solution.
*January 7, 2011*

**algebra**

and are you trying to find the zero of the function? if you are then: f(x)=10/4-7x 0=10/4-7x -10/4=7x -5/14 is your answer.
*January 7, 2011*

**algebra**

do you mean f(x)?
*January 7, 2011*

**algebra (inequalities)**

solve the inequality, if possible. -2x-<-2x-1 2n>n+n then tell what type of equation it is. it is either x># (or a variation of this), all real numbers, or no solution.
*January 7, 2011*

**algebra**

if it is then: 9x-7y=-49 -7y=-9x-49 divide everything by 7 y=-1 7/25-49 hope that helps!
*January 7, 2011*

**algebra**

is this supposed to be a slope-intercept form question?
*January 7, 2011*

**Math 3**

convert to common denominators then add. 6/11 would become 78/143 and 2/13 becomes 22/143. add then reduce(if possible)
*January 6, 2011*

**Math**

1. you would do length*width*height 2. 3 feet equal 1 yard so do 3 1/2*3 3. 24 hrs are in one day so you divide 624 by 24
*January 6, 2011*

**science**

thanks a bunch!
*January 6, 2011*

**science**

i need help finding some household items that have some of the following forms of energy: radiant, chemical, nuclear, electrical, acoustic, thermal, and mechanical. so far i have the TV as electrical, acoustic, and mechanical; the stove top as electrical, caustic, mechanical, ...
*January 6, 2011*

**arithmetic**

you would divide each side by 7/8 to get the variable alone. once you solve 3 divided by 7/8, you should get what h is.
*January 6, 2011*

**Algebra**

point: (4,5) slope: -2 y=-2x+b 5=-2(4)+b 5=-8+b -3=b your final answer is y=-2x-3
*January 6, 2011*

**Social Studies**

Ok. Maybe states. That makes more sense.
*January 4, 2011*

**Social Studies**

I need to list 10 countries of the North. I thought-USA, Canada, Greenland, etc but can't come up with 10. For South-South America, Chile,etc. Not sure if that"s correct.
*January 4, 2011*

**Social Studies**

I need to list 10 countries in the North and 10 countries in the South during slavery times. Can't find anything. Please help. Thank you.
*January 4, 2011*

**unscramble spanish words**

rrbuaio
*January 2, 2011*

**AP Calculus**

A line is perpendicular to 2x+y-7=0 and passes through (4,6). Find the y coordinate of the point where x=-8
*December 16, 2010*

**Math**

in parralleloggran WXYX m/_Y = 65 What are the measurea of /_W , /_X, and /_Z in degrees?? /_= angle
*December 1, 2010*

**College Chemistry- Hess's Law**

-109.5
*October 22, 2010*

**Math**

Of the 43 U.S. presidents,15 were elected to serve two terms.What fraction of the U.S. president,in simplest form,was elected to serve two terms?
*October 12, 2010*

**chemistry**

What mass of protons would be required to just neutralize the charge of 4.4g of electrons?
*September 20, 2010*

**english**

thank u ms sue
*September 11, 2010*

**english**

people with stronger friendship networks feel like there is someone they could turn to what does that quote means please help meee
*September 11, 2010*

**art**

aaron Douglas first picture from the harlem of renaissance the name of the picture and date/time and material used and used for and symbolism please help meeee
*September 11, 2010*

**6th grade/math**

change .5 into a fraction
*September 10, 2010*

**science**

should i heat material in a closed container or vessel
*August 27, 2010*

**Government**

to hell with it
*June 20, 2010*

**alegebra 1**

would 3x^2-15x+18 = x(x+5)(x-3)????
*May 24, 2010*

**marketing**

What are some of the different stages a company goes through when developing its IMC strategy?
*May 14, 2010*

**Chemistry **

What equation is used when talking about airplane cabin pressure?
*April 27, 2010*

**algebra**

solving quadratics
*April 19, 2010*

**12th grade**

find the max and min values of f(x,y)= 3x+y for the polygonal convex set determined by x ¡Ý 1, y ¡Ý 0, and x+ .5y ¡Ü 2
*April 18, 2010*

**us history**

how did woodrow wilson's reform platform during the 1912 campaign differ from that of theodore roosevelt?
*January 31, 2010*

**psychology**

Scenario: John is an 18-year-old freshman at New York University. John was the starting quarterback at his high school in a small town in Indiana. He enjoys playing sports and hanging out with friends. John has always been popular and done well in school and sports. Once he is...
*January 16, 2010*

**PreCalculus**

Three sides of a fence and an existing wall form a rectangular enclosure. The total length of a fence used for the three sides is 160 feet. Find the value(s) for which the area is 2800 square feet.
*January 13, 2010*

**social studies**

i have a project due on n.j. piedmont regions what are they
*October 25, 2009*

**7th grade**

The answer to what did the Spanish farmer say to his chicken is olay, I'm positive I got 100% on my paper.
*October 21, 2009*

**AP Calculus**

thanks so much!
*October 5, 2009*

**AP Calculus**

find f'(2) given g(2)=3, h(2)=-1, h'(2)=4, and g'(2)=-2 f(x)=g(x)h(x) I'm just not understanding how to start this at all and what it wants me to derive when I don't know the function
*October 5, 2009*

**Physics**

.532 m/s
*September 21, 2009*

**U.S History**

whaata dumb ***
*February 26, 2009*

**government**

What determines who holds the postion of speaker of the house?
*February 12, 2009*

**Algebra**

Molly can paint a house in 4 days.Tess could paint the same house in 6 days. How long would it take them to paint the house if they worked together
*January 22, 2009*

**Chemistry**

okay then I had the +6e- for the first and +3e- for the second...but I just didn't get the H2Os and OHs and I don't understand how I messed that up...:S
*October 27, 2008*

**Chemistry**

Balancing Equations for Reactions Occurring in Basic Solutions: I have the answer for it and I've gone and redone it twice and I can't match the answer...I was just seeing if anyone could show the steps so that I could see where I messed up... NO2-(aq)+Al(s)-->NH3(...
*October 27, 2008*

**US History 1**

just a clarification i think i may have my events mixed up, the colonies- were under the articles of confederation correct? and then the am revolution happened and then the constitution? am i correct?
*October 15, 2008*

**Math**

The sun of a certain number and 3 times the number is 40. What is the number?
*September 16, 2008*

**ap chemistry**

there's a few questions I have...actually it's a bit more than a few... 1. Identify the carbon atom(s) in the structure shown that has (have) each of the following hybridizations: a. sp3, b. sp, c. sp2 N*triplebond*C-CH2-CH=CH-CHOH | CH=O | H 2. Draw all the possible ...
*August 11, 2008*

**chemistry**

...okay I think I understand it!...as for the naming...oh dear...thank you so much!
*August 9, 2008*

**chemistry**

for summer homework (which means "hey kids teach yourself something you've never seen while we go to the beach all summer") we got a packet on Organic Nomenclature and Simple Reactions...and there's some parts that I'm just not getting and the packet ...
*August 9, 2008*

**Chemistry**

tin 2-
*July 24, 2008*

**social studies**

which colonies guaranteed religious freedom
*May 28, 2008*

**calc help**

nice...this is from the ap test.. i didn't know how to do it either :/
*May 20, 2008*

**marketing**

1.A store has fixed costs of 80,000 and an avarage gross margin of 26%. Variable expenses are estimated to be 6% of sales. a.calculate the break-even sales volume. b.calculate the profit/losses for sales of 300,000 I got the formulas: unit contribution= price - variable costs ...
*March 25, 2008*

**english**

struggle! duh!
*March 13, 2008*

**social studies**

how did the civil war end? who surrendered
*February 2, 2008*

**biology**

is there a difference between heat capacity and specific heat capacity, or are they the same thing?
*November 2, 2007*

**Social Studies**

Thank you very much!
*October 1, 2007*

**Social Studies**

What was the purpose of the Seven Years’ War? What effects did it have on the(American)colonies?
*October 1, 2007*

**science**

i dont know thats what it says in my book
*September 11, 2007*

**science**

what are 3 possible ways in which a hypothesis may arise?
*September 11, 2007*

**Alg 2**

x^6-y^6 fist look at as a difference of squares: (x^3)2 - (y^3)2 =(x^3 + y^3)(x^3 - y^3) Now you have the sum of cubes and the difference of cubes, I assume you know the formulas for those. So you can keep going (x+y)(x^2-xy+y^2)(x-y)(x^2+xy+y^2) would be your final answer.
*August 3, 2007*

**anna frances'**

what is a square,i know it has four sides and blah blah blah,but i need two more answers like it is a kite (not really)!! It is the table supporting the hypotenuse. There is an example... what can your imagination come up with? It has 4 equal sides. It has 4 90-degree angles. ...
*April 12, 2007*

**biochemistry**

reactions that produce energy and related reactions that require energy
*January 29, 2007*

**physics**

A box of Cheerios and a box of Wheaties are accelerated accross a horizontal force vector F applied to the Cheerios box. THe magnitude of the frictional force on the Cheerios box is 2 N and the magnitude of the frictional force on the Wheaties box is 4 N. If the magnitude of ...
*November 27, 2006*

**physics**

A slide-loving pig slides down a certain 35 degree slide in twice the time it would take to slide down a frictionless 35 degree slide. What is the coefficient of kinetice friction between the pig and the slide? I know that when the coefficent of kinetic fricition is zero t=1/2...
*November 27, 2006*

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