Saturday

November 28, 2015
Total # Posts: 201

**Physics**

What is the mass of the air in a room that has dimensions of 10m x 30m x 4m?
*February 20, 2011*

**Physics**

How many calories are released when 3 grams of 100º C steam turns to 0º C ice
*February 20, 2011*

**science **

6. identify the action-reaction pairs of forces for the following situations: (a) you step off a curb. (b) you pat your tutor on the back (c) a wave hits a rocky shore.
*February 3, 2011*

**algebra**

3x^3-2x^2y-8xy^2
*February 2, 2011*

**3rd grade math hw help!**

1polygos 1line: m w l
*January 31, 2011*

**accounting**

Canine Company produces and sells dog treats for discriminating pet owners. The unit selling price is $10, unit variable costs are $7, and total fixed costs are $3,300. What are breakeven sales?
*December 19, 2010*

**Math**

Factor 24 into primes.
*November 17, 2010*

**Chemistry**

“1.25 g of crushed limestone was added to 50.0 cm3 of 1.00 mol dm-3 hydrochloric acid (an excess). The mixture was left until all bubbling stopped and was then made up carefully to 250 cm3 with pure water. A 25.0 cm3 sample of this was pipetted into a conical flask and ...
*November 10, 2010*

**math**

You multiply pounds into ounces.
*November 7, 2010*

**5th grade**

How do you write a mixed number as a decimal such as 1/2 and the whole number 3? Also 3/4 and the whole number 4. Also 1/5 and the whole number 7. Thank you who will may help me!:)
*November 1, 2010*

**english 7th grade**

we:subject felt:action verb overwhelmed:do
*October 5, 2010*

**English**

what are some good acrostic poems about america
*September 20, 2010*

**Daily Language Review **

use context clues to determine the meaning of the boled words below
*September 3, 2010*

**science**

Need to use hypothesis in a sentence and draw a picture relating to it. Was Ben Franklins flying a kite a hypothesis or a theory?
*September 2, 2010*

**7th grade leadership**

terribly sorry....
*August 30, 2010*

**7th grade leadership**

ANSWER THIS QUICK BY TONIGHT!
*August 30, 2010*

**7th grade leadership**

This homeschooling group expects you to work harder than a college student. I need 5 subsidiary questions on "How is carrying capacity related to food supply" (you can say agriculture for the food supply) The teacher expects me to get these questions quickly and i&#...
*August 30, 2010*

**childcare**

My answer is C. locomotor reflexes
*August 18, 2010*

**Statistics**

quantitative
*June 24, 2010*

**english **

why did the mayor decide not to teach his wife how to drive in the novel the color purple?
*June 4, 2010*

**9th grade algebra**

daniels print shop purchased a new printer for $35,000. Each year it depreciated at a rate of 5%. What will its approximate value be at the end of the fourth year?
*May 4, 2010*

**Physics**

Hi, The resistance of each resistor in a series-parallel circuit was given and we measured the current and voltage across each resistor. Now, I have to find the theoretical values for I1, I2, etc. and V1, V2, V3, etc., using Kirchhoff's law and the known resistance values ...
*February 28, 2010*

**math**

how to solve a graph plot
*January 28, 2010*

**Social Studies**

What were the 4 dynasties of Ancient China ? Please give me information on each one regarding government, social hierarchy, religion and accomplishments.
*January 24, 2010*

**maths**

what is 200000 divided by 439?
*January 17, 2010*

**maths**

what is the mean weight of these bags: 2kg,5kg,6kg,11kg,7kg amd 5kg ?
*January 17, 2010*

**English III**

Paine beleives that god will suport the colonies' cause because the colonists?
*December 12, 2009*

**Math**

1 hour and 35 minutes or 95 minutes
*November 12, 2009*

**Math**

1 hour and 35 minutes
*November 12, 2009*

**Math**

here is the question: Freida must take a 4-hour exam containing 200 questions, 50 of which are math. Twice as much time should be allowed for each math ques as for each other type of question. What is the total # of minutes she should allow for the math question?
*November 12, 2009*

**history**

THANK YOU SO MUCH
*November 8, 2009*

**history**

Oh i did but it doesnt say a specific date, it just says 6,000 years ago and 1940 it came to america.
*November 8, 2009*

**history**

oh but like where? to egypt? and when? like what BC/AD
*November 8, 2009*

**history**

Garlic- To where did this food product spread from its point of origin? Be sure to include time periods. HELP!! I CANT FIND ANYWHERE
*November 8, 2009*

**math**

Put into slope intercept form: (2,5) m=3 I have a quiz tomorow, and i need to make sure im doing the steps right, so then do you do..: ? 2=15+b -13=b y=3x-13 ???
*November 8, 2009*

**math**

The value of a car decreases at a constant rate as it grows older. When the car is 2 years old, it is worth $23,000. When the car is 5 years old it is worth $15,500. Write and equation relating y (value of the car $) to x (age of car). Is it y-23,000=-2500(2)-5 ??
*November 7, 2009*

**5th grade**

matt ran 1/5 mile less on monday than on tuesday. he ran 1/2 mile less on wednesday than he did on monday. he ran 7/10 mile more on friday than on wednesday. if matt ran 4/5 mile on friday, how far did he run on tuesday? stumped, please help!
*November 6, 2009*

**math**

What are the slope and y-intercept of the graph of the following equation? 1/3x=1/2(y+4) So I used slope intercept formula and rearranged it to be 1/2y=-1/3x+2 then I isolated y by multiplying by the reciprocal and got y=-2/3x+4 is that right?? My friend said its +4!
*November 3, 2009*

**6th grade Reading**

I dont know too BYE BYE BYE BYE BYE 2009 PERSON BYE BYE
*October 7, 2009*

**math**

so murder perentage is .94% and 3.4 degree of the circle. So when doing the pie graph I put the percentage on the pie graph?
*September 19, 2009*

**math**

alcohol 13% Car Acc. 19% suicides 25% Tobacco 300% Are these right?
*September 19, 2009*

**math**

is this correct for murders? (510/54120)*360=3.4
*September 19, 2009*

**math**

I have to put these estimates on a circle graph. These are estimated deaths in canada in 1996. Do I add them all up first then divide them by the answer? murders 510 alchcol 1900 car accidents 2900 suicides-3900 Tobacco 45,000
*September 19, 2009*

**statistics**

A Survey.
*August 29, 2009*

**World History**

List two ways the Atlantic Slave trade affected Africa.
*July 26, 2009*

**social studies**

how do you calculate for the local time in Cairo, Beijing, Sydney, Washington DC, thailand, los angeles, new delhi,vancouver and moscow if the data given is London(GMT) 5:00pm monday.
*July 16, 2009*

**music**

what is meter in music and what are the kinds of meter?
*July 8, 2009*

**Biology**

Good afternoon, Could you help me find environmental factors that would influence biodiversity. Thanks for your time.
*May 19, 2009*

**To Sophia**

I apologize, i only posted my question once. I think something was wrong with my computer. No, i did not do this before, this is the first time i've used this site. Sophia.
*May 18, 2009*

**Biology**

Hi, Could you help me find information on at least 5 organizations or efforts on how humans are trying to combat the loss of biodiversity. Thanks.
*May 18, 2009*

**3rd grade/math**

i got 100 % in maths
*April 18, 2009*

**4th grade**

How does a solar greenhouse work?
*March 17, 2009*

**Science**

What is a solar greenhouse?
*March 17, 2009*

**Career Information Answer**

A television repair man is somebody who... Gets The Picture A taxidermist is somebody who... Can save your hide A tree surgeon is somebody who... Will go out on a limb I hop this helped you! :)
*March 8, 2009*

**Career Information**

Stuck on career information...
*March 8, 2009*

**physics**

The time is 14.3s, btw..
*January 25, 2009*

**physics**

An airplane traveling 1001 m above the ocean at 125km/h is going to drop a box of supplies to shipwrecked victims below. What is the horizontal distance between the plane and the victims when the box is dropped?
*January 25, 2009*

**physics**

A pitched ball is hit by a batter at a 45-degree angle and just clears the outfield fence, 98 m away. If the fence is at the same height as the pitch, find the velocity of the ball when it left the bat. Ignore air resistance.
*January 25, 2009*

**4th grade social studies**

they got freedom
*January 21, 2009*

**Business systems**

Biases may play a major role in the success/failure of an IT project because most IT projects are connected in someway with making the technology more user friendly. The users of these projects are becoming more diverse in reference to age, race, sexual orientation, etc. ...
*December 11, 2008*

**Algebra**

What is the domain of f(t)=5.5e^t Please explain how you came up with your answer
*December 8, 2008*

**Algebra**

Can someone please tell me what the domain of the following equation is? Please explain how you got that answer. g(x)=5^x
*December 7, 2008*

**English**

Yes. It is the same statement.
*December 7, 2008*

**science**

Both of these thermometers were designed to rise and fall as they expand or contract with changes in temperature. One major difference is that alcohol thermometers will only rise when on site with the temperature to be read, where as a mercury thermometer needs to be shaken if...
*December 7, 2008*

**Algebra**

Please state the DOMAIN of the following, and explain how you obtained that answer please. g(x)=5^x
*December 5, 2008*

**AP Chem**

How did you get #34?
*November 12, 2008*

**Math riddle PIZZAZZ Worksheet**

What happened to the grocer who stacked all of the liquid detergent no the high shelf? plzzz help
*October 30, 2008*

**Spelling**

dog cat
*September 9, 2008*

**7th grade**

how do you write an equation for the number of gallons in 128 fluid ounces?
*September 5, 2008*

**Algebra**

and if the problem had been: 21a-3 ------ 7a-6 then it would be: 3a-1 ----- a-2
*May 19, 2008*

**physics**

An ideal gas at 18.5°C and a pressure of 1.54 105 Pa occupies a volume of 2.10 m3. (a) How many moles of gas are present? moles (b) If the volume is raised to 5.30 m3 and the temperature raised to 31.0°C, what will be the pressure of the gas? Pa
*April 26, 2008*

**physics**

A mass of 135 g of an element is known to contain 30.1 1023 atoms. What is the element? hydrogen oxyden aluminum carbon Is it aluminum?
*April 26, 2008*

**SCIENCE**

PISTILS AND STAMENS REACH MATURITY AT DIFFERENT TIMES, WHY WOULD THIS BE AN ADVANTAGE TO THE PLANT?
*April 1, 2008*

**us history**

when fdr served 4 terms, which president's record did he break?
*February 28, 2008*

**Math**

4x + 10 -3x =2-3
*February 26, 2008*

**Chemistry**

The solubility of CaCO3 at 25 degrees celsius is 6.90*10-5M. The reaction is CaCO3(s)-->Ca 2+(aq) + CO3 2-(aq) <-- a. Calculate the concentration of Ca +2 and CO3 -2 at equilibrium. b. Calculate the equilibrium constant for the dissolution reaction. (also known as the ...
*February 13, 2008*

**college math**

how to do set notation, for example
*January 28, 2008*

**social studies**

How did Alexander the Great unite Persian and greek cultures and why?
*December 5, 2007*

**statistics**

oops
*October 25, 2007*

**statistics**

Given the ensuing well drilling data, answer the following. [Reference: #4.78, page 172] • .30 (30%) probability of a productive well absent test information • Pre-drilling ballistics test ‘s affirmative result correctly predicts a productive well .70 of the ...
*October 25, 2007*

**statistics**

Given a distribution with mean X and standard deviation S, answer the following. 4.1 Determine the mean and standard deviation if constant K is added to each observation 4.2 Determine the mean and standard deviation if constant K is multiplied by each observation 4.3 Assuming ...
*October 25, 2007*

**statistics**

oops, thank you drwls
*October 25, 2007*

**statistics**

Given the ensuing well drilling data, answer the following. • .30 (30%) probability of a productive well absent test information • Pre-drilling ballistics test ‘s affirmative result correctly predicts a productive well .70 of the time • Pre-drilling ...
*October 25, 2007*

**statistics**

Compute the expected return if two mega lottery tickets are sold for $6, if the winning ticket is drawn from five (5) million tickets sold, and if the winner receives $10 million.
*October 25, 2007*

**statistics**

3. Prove (not show) that following two methods, long and short respectively, to compute the population variance yield the same result. ? (x i - ?) 2 / n, where i = 1, n ? (x i 2 - (? x i) 2) / n, where i = 1, n
*October 25, 2007*

**algebra**

a times a number - 5 = b so, add 5 to both sides ax-5 = b +5 +5 so now you have ax = b+5 divide both by x and you get a so ... a=(b+5)/x
*October 16, 2007*

**algebra**

if you add 2t + 1 =3 so 3-1=2 so 2 times what equals 2. not -1 because that would equal negative 2. its 1 because 2 times 1 is 2 plus 1 is three.
*October 16, 2007*

**math**

how would i multiply 365/365 x 364/365 x 363/365...all the way to 326/365 using excel or the ti-83 calculator without having to input all those numbers. please help. thanks.
*October 16, 2007*

**Statistics**

A manufacturer makes two models of an item: model I, which accounts for 80% of unit sales, and model II, which accounts for 20% of unit sales. Because of defects, the manufacturer has to replace (or exchange) 10% of its model I and 18% of its model II. If a model is selected ...
*October 4, 2007*

**math**

How many hours of jogging at 5 1/2 mi/h would be needed for a 200-lb person to lose 5 pounds? (Assume calorie consumption is just enough to maintain weight, with no activity)
*April 1, 2007*

**human biology**

if a cell lacks ATP, which of the following processes would cease to operate immediately? diffusion Na+/K= pump facilitated diffusion osmosis or passive transport http://www.brookscole.com/chemistry_d/templates/student_resources/shared_resources/animations/ion_pump/ionpump....
*March 18, 2007*

**human biology**

if a cell lacks ATP, which of the following processes would cease to operate immediately? diffusion Na+/K= pump facilitated diffusion osmosis or passive transport
*March 18, 2007*

**human biology**

which of these characterisitics apply to exocytosis? requirese energy, requires, carrier proteins, requires channel proteins and/or requires vesicles. Thanks. Since this is not my area of expertise, I searched Google under the key words "exocytosis" to get these ...
*March 18, 2007*

**human biology**

I hope someone can help me answer this queestion: which of the following does NOT involve the sharing of electrons? H20, HCl, NaCl, H2 or C6, H12, O6 and why? The last three compounds you listed do not exist. Among the others, NaCl does not share electrons; the Cl completely ...
*March 18, 2007*

**human biology**

does DNA serve as a template for just DNA or mRNA as well? Go here: http://www.stanford.edu/group/hopes/treatmts/pbuildup/h2.html and scroll down to: How can RNAi be used to treat HD?
*March 15, 2007*

**math ( subtracting fractions)**

12 1/4- 4 1/8 When you add or subtract fractions, you have to have the same denominator. In this problem you have to change 1/4 to 2/8. Then subtract the fraction and then subtract the whole number. Please post your answer and we'll be glad to check it.
*January 31, 2007*

**Survey for history..**

fyi it is hieroglyphs and not hieroglyphics.
*November 2, 2006*

**Survey for history..**

thankz 4 the help. i can't find where the bookof the dead/ hieroglyphics fits. there is only one spot for 13 letters.
*November 2, 2006*

**GOVERNMENT**

Obviously the government feels that a mere citizen do have the ability to vote for a president.
*October 22, 2006*