Saturday

August 23, 2014

August 23, 2014

Total # Posts: 2,690

**Math**

Please help!! We can determine the time it would take an object to fall (if there were no air resistance) by using the formula where d is the distance.t=1/4sq.root of d, d being the distance 1. We can determine the time it would take an object to fall (if there were no air ...
*September 13, 2010*

**chemistry**

Radio waves travel at the speed of light which is 3.00 x 108 m/s. How many minutes does it take for a radio message to reach Earth from Saturn if Saturn is 7.9 x 108 km from Earth?
*September 12, 2010*

**11th grade**

Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours? Visit the Calvinism in New England ...
*September 9, 2010*

**grade 6 math**

I have a input and output machine . The input number is 5 and the output number 4. the second input number is 10 and the output is 5. I am having a hard time finding the operation. Can some please help thanks
*September 8, 2010*

**calculus**

an open rectangular box is to be made from a piece of cardboard 8 inches wide and 8 inches long by cutting a square from each corner and bending up the sides. a. express the volume of the box as a function of the size x cutout
*September 7, 2010*

**Math**

Is this right? Simplify by removing factors of 1. 2m^2+2m/10m^2+4m My answer is m^2/5m^2+2m
*September 5, 2010*

**science**

i dont understand it
*September 4, 2010*

**science**

On a particular day, the following appliances are used for the times indicated: coffee maker, 40 min, and microwave oven, 23 min. Using the power requirements given in the table below, find how much it costs to use the appliances at an electrical cost of 8¢ per kWh. ...
*September 4, 2010*

**physical science**

A 6.2 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.41 m above the counter
*September 4, 2010*

**phyical science**

so will the cost be 0.01cents
*September 4, 2010*

**phyical science**

A microwave oven has a power requirement of 1235 W. A frozen dinner requires 6.0 min to heat on full power. (a) How much electrical energy (in kWh) is used? 1 kWh (b) If the cost of electricity is 12 cents per kWh, how much does it cost to heat the dinner? 2¢ what is kwh ...
*September 4, 2010*

**work/science**

A 6.2 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.41 m above the counter?
*September 3, 2010*

**phyical science**

so is it 1.25*(2/3)=.83 then .83+1.1=1.93 1.93/8=.2416
*September 3, 2010*

**phyical science**

On a particular day, the following appliances are used for the times indicated: coffee maker, 40 min, and microwave oven, 23 min. Using the power requirements given in the table below, find how much it costs to use the appliances at an electrical cost of 8¢ per kWh. ...
*September 3, 2010*

**science**

A microwave oven has a power requirement of 1235 W. A frozen dinner requires 6.0 min to heat on full power. (a) How much electrical energy (in kWh) is used? b) If the cost of electricity is 12 cents per kWh, how much does it cost to heat the dinner?
*September 3, 2010*

**science**

On a particular day, the following appliances are used for the times indicated: coffee maker, 40 min, and microwave oven, 23 min. Using the power requirements given in the table below, find how much it costs to use the appliances at an electrical cost of 8¢ per kWh. ...
*September 3, 2010*

**science**

A 6.2 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.41 m above the counter?
*September 3, 2010*

**Physics**

A 6.2 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.41 m above the counter?
*September 3, 2010*

**science**

is it 6.2/0.41
*September 3, 2010*

**science**

A 6.2 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.41 m above the counter?
*September 3, 2010*

**science**

is this correct 9.8*3.7*2.7=97.90
*September 3, 2010*

**science**

How much work is required to lift a 3.7-kg concrete block to a height of 2.7 m?
*September 3, 2010*

**science**

While rearranging a dorm room, a student does 292 J of work in moving a desk 3.7 m. What was the magnitude of the applied horizontal force?
*September 3, 2010*

**science**

so is it 1080.4
*September 3, 2010*

**science**

While rearranging a dorm room, a student does 292 J of work in moving a desk 3.7 m. What was the magnitude of the applied horizontal force?
*September 3, 2010*

**physics**

A microwave oven has a power requirement of 1235 W. A frozen dinner requires 6.0 min to heat on full power. (a) How much electrical energy (in kWh) is used? 1 kWh (b) If the cost of electricity is 12 cents per kWh, how much does it cost to heat the dinner? 2¢
*September 3, 2010*

**physics**

What is the kinetic energy of a 26 kg dog that is running at a speed of 8.4 m/s (about 19 mi/h)?
*September 3, 2010*

**chemistry**

The price of a ream of paper is $3.30. There are 500 sheets of paper in a ream. If a sheet of paper weighs 0.500 oz, what is the price of a kg of paper (in dollars, do not include units, round to two decimal places)? What is the cost of one sheet of paper (in dollars, do not ...
*September 2, 2010*

**Intermediate Algebra **

2ax+4bx-3ay-6by
*September 1, 2010*

**biochemistry**

Is anybody know what is DESTINEDTAFAIL ?
*August 30, 2010*

**Psychology**

Write a 200-300 word response, considering how employers and fellow team members might use this instrument at work. Is this test reliable?Is it valid? What are the potential benefits and drawbacks of a test that attemps to measure skills, abilities, or traits. Can someone ...
*August 30, 2010*

**chem**

What volume of 17% NaCl solution will provide 27 grams of NaCl?
*August 29, 2010*

**geometry**

The coordinates for points C and R are (-1, 4) and (6, 4), respectively. RS and CD intersect at P (3, 2)
*August 26, 2010*

**College Math**

L= 60m W= 30m
*August 25, 2010*

**english**

the site that you gave me did not work i need a story plaease i am crying right now and the story is due tommorow
*August 23, 2010*

**english**

i need a story to write and i am in 6 th grade so can you tell me a story that was never tould or you made up but it has to be 2 pages long.
*August 23, 2010*

**Math**

Tom drives 24 miles north to Jamesville. He then continues 35 miles to Karisville, 16 miles to Louistown, and 18 miles to May City. How far is May City from Jamesville?
*August 23, 2010*

**Math**

Geometry. Mathematical Tables. 1 2 3 4 3 7 11 15 What is the pattern. Need help ASAP!
*August 22, 2010*

**Chemistry**

P1V1/T1 = P2V2/T2 (765 mmHg)(585mL)/298K=(442mmHg) V2/278K V2=944.55mL so would that be right for #2?? Thank you so much for your help, I wasn't sure which law to use.
*August 17, 2010*

**Chemistry**

Any help would be great on the below problems. I am not sure where to begin. How do I solve these? Do I use a formula? 1. You are asked to make 500.0 mL of a 4.5M solution of HCl, but the only HCl you have available to dilute is 18.0M. Describe how you would make the desired ...
*August 17, 2010*

**Biology**

Please help me answer this question for my ecology class. Consider the following three populations. Population A has a type-1 survivorship curve, population B has a type-2 survivorship curve, and population C has a type-3 survivorship curve. All else being equal, which ...
*August 8, 2010*

**Chemistry**

which of the following equations is the one represented by this experiment? Justify your answer by comparing the moles of iron consumed(Fe 0.139/0.0419= 3.32) and the moles of copper produced(Cu 0.0419/ 0.0419 =1) to the coefficients in the equation of your choice. Fe + CuCl2...
*August 7, 2010*

**Chemistry**

Thank you so much, this was extremely helpful for me to understand.
*August 7, 2010*

**Chemistry**

Which of the following has the higher ionization energy and why: Li or Ba? I cannot figure this out because they are in different periods but Ba is down on the periodic table telling me that it may have a higher ionization than Li. Help please?
*August 7, 2010*

**chemistry**

What mass of sucrose should be combined with 491 g of water to make a solution with an osmotic pressure of 8.70 atm at 270 K? (Assume the density of the solution to be equal to the density of the solvent.)
*August 5, 2010*

**Chemistry**

An aqueous solution contains 2.6 %NaCl by mass. Calculate the molality of the solution.
*August 5, 2010*

**Chemistry**

Please check to see if I got these right and specifically for #2, I am not sure if I have this balanced correctly. Write the complete balanced equations for the following: 1) Potassium metal reacts with oxygen gas to form solid potassium oxide. My answer: 4K(s)+O2(g)=4KO2(s) 2...
*August 4, 2010*

**Economics**

The big three manufactuers in the U.S. are currently in financial trouble. General Motors and Chrysle are filing for bankruptcy. Chrysler is being take over by Fiat. GM is giving ownership to the government in return for a $20 million bailout. 1 Why is the U.S. auto industry ...
*August 1, 2010*

**Chemistry**

Thank you :)
*July 28, 2010*

**Chemistry**

I am completing my lab and cannot figure this out. I need someone to go over it and make sure I am right because I can't figure out why my empirical formula does not match the molecular formula. #7 is the one I am really having a problem with, but here is all the info so ...
*July 28, 2010*

**Finance**

$11,444/.07= $163,485.71
*July 16, 2010*

**algebra**

where does the 1 come in?
*July 15, 2010*

**algebra**

can someone please tell me if this is right or this simple really? the question is to express using a positive exponent. m^-6 so do you really just change it to m^6 so that it is positive? Or how do you go about that?
*July 15, 2010*

**algebra**

oh makes sense! Because once you put them on the opposite side of the equation they would change fromeither positive to negative or negative to positive.
*July 15, 2010*

**algebra**

I still am confused, but let me try this (x-1)(x+2) but I am not sure where to go from here
*July 15, 2010*

**algebra**

how do you find the x-intercepts y=x^2+2x-3
*July 15, 2010*

**algebra**

what about the 3w though? where does that go and how do you figure to get the numbers on the oposite side, sorry I just don't understand math
*July 15, 2010*

**chemistry**

how would you calculate the weight of percipitate of AgBr that will dissolve in 400 ml of water?
*July 15, 2010*

**geometry**

If AC = 20 centimeters, and BC = 16 centimeters, which does AB equal?
*July 8, 2010*

**ENGLSH **

According to most Romanticists, the developments of science and industry brought about what kind of changes to the world? A.useful changes B.harmful changes C.essential changes D.unimportantchanges
*July 7, 2010*

**english literature**

Why did Wordsworth use simple diction in "The Solitary Reaper"?
*July 7, 2010*

**Literature HELP!!**

Thank you for the help ..
*July 7, 2010*

**Literature HELP!!**

Honestly, I don't know thats why I am asking you to help me understand.
*July 7, 2010*

**Literature HELP!!**

Effectively interpreting symbols in a poem requires _____. A. a degree in English B. knowledge about the time period and author as well as evidence from the poem C. Internet research to see what other people have said about the poem D.rhythm and meter to make the symbols lyrical
*July 7, 2010*

**chemistry**

2742500
*July 5, 2010*

**verb practice**

I am not under standing what this is wanting me to do. Can some one please help me? Write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence.
*July 3, 2010*

**Stress Management Techniques**

Angela, you must just be really stupid cause I used every single answer from the bottom answers and I got a 100. So apparently not even the correct answers can help your stupidity.
*July 3, 2010*

**Algebra 1**

How do I solve a quadratic equation?
*June 28, 2010*

**Biololy**

In the genetic investigations with C-Fern Lab: what can you determine about the pattern of inheritance from the compiled data?
*June 28, 2010*

**physical science**

if the initial orbital is 3 and the ending orbital is 2, what is the wavelength?
*June 24, 2010*

**chemistry**

57.8kJ
*June 23, 2010*

**math**

Alice is 1.5m tall. She is standing 3m from the foot of a lamppost. The lamp is 4.5m from the ground. How long will Alice's shadow be?
*June 20, 2010*

**Comm/215**

Please guide me on what I have don incorrectly: Part I: True or False 1. The following word group is a FRAGMENT: That movie, one of my favorites. X True __False 2. The following word group is a FRAGMENT: The local baseball team, needing a good pitcher most of all. X True ...
*June 17, 2010*

**chemistry**

What is needed to calculate the mass of ammonia gas produced from 2.0 L of nitrogen gas in excess hydrogen gas in the reaction below? N2(g) + 3H2(g) ® 2NH3(g)
*June 16, 2010*

**Biology**

Please help what are the consequences of nondisjunction of the sex chromosomes? Thanks
*June 14, 2010*

**college**

yes
*June 13, 2010*

**math**

How do you solve a proportion?
*June 9, 2010*

**Physics**

A woman who weighs 500N stands on an 8.0-m-long board that weighs 100N. The board is supported at each end. The support force at the right end is 3 times the support force at the left end. How far from the right end is the woman standing?
*June 8, 2010*

**Physics**

Little Norma has mass 20kg and wants to use a 4.0-m board of mass 10kg as a seesaw. Her friends are busy, so Little Norma seesaws by herself by putting the support at the system's center of gravity when she sits on one end of the board. How far is she from the support point?
*June 8, 2010*

**Physics**

A ventilation fan has blades 0.25 m long rotating at 20 rpm. What is the centripetal acceleration of a point on the outer tip of a blade?
*June 8, 2010*

**Physics**

A Ferris wheel, rotating initially at an angular speed of 0.500 rad/s, accelerates over a 7.00-s interval at a rate of 0.04 rad/s^2. What angular displacement does the Ferris wheel undergo in this 7-s interval?
*June 8, 2010*

**College Physics**

A 0.30-m-radius automobile tire rotates how many radians after starting from rest and accelerating at a constant 2.0 rad/s^2 over a 5.0-s interval?
*June 8, 2010*

**Physics**

Starting from rest, a wheel undergoes constant angular acceleration for a period of time T. At what time after the start of rotation does the wheel reach an angular speed equal to its average angular speed for this interval?
*June 8, 2010*

**algebra**

x^2 minus 4x+3 over x^2 olus 3x-18 -x^2-minus 1 over x^2 plus 10x plus 24 =
*June 7, 2010*

**algebra**

X^2-4x+3/x^2+3x-18-X62-1/x^2+10x+24 can someone work this problem for me. I have tried it does seem to work right.
*June 7, 2010*

**Chemistry Help!**

are the joules supposed to be on the side where the 1 is? so its 314= 50x specific heatx 25?
*June 6, 2010*

**Chemistry Help!**

calculate the specific heat of a metallic element if 314 joules of energy are needed to raise the teperature of a 50.0g sample from 25C to 50C. i'm not sure if you use the Q=(s)(m)(delta t) equation or not since it asks for the specific heat not the specific heat capacity...
*June 6, 2010*

**Chemistry**

describe what holds a molecule together internally versus what holds different molecules together as solids and liquids
*June 6, 2010*

**algebra**

the problem is x^2 plus 4x-minus 5 over5x-5 time 5x over x+5 without parenthesis.
*June 6, 2010*

**algebra**

The problem is wrote like this x^2+4x-5/5x-5*5x/x+5 I have tried to work it. but canot get it.
*June 6, 2010*

**algebra**

x^2+4x-5 over 5x-5 time 5x over/x+5 X(x+1)/1x-6*5x/x+5 this is far as get I can not seem where else to go
*June 6, 2010*

**algebra**

-12x^6+24x^5-18x^2=2x^4+4x^3+3x could some one tell me if the answer is right. Please help I am not good with sign confused.
*June 4, 2010*

**algebra**

-12X^6+24x^5-18x^2/-6x^2=2x^4+24x^3-3x could some one check this for me please
*June 4, 2010*

**for SraJMcGin**

ummm, I know you may be trying to help people, but by just typing their question into yaH'oo DOESN'T help. They can do that themselves, they are looking for direct answers, not y'ahoo. Thanks for attempting to help
*June 3, 2010*

**Finance**

How long will it take for money invested at 3.29% compunded monthly to double?
*June 3, 2010*

**Micro ECONOMICS**

The majority of the world’s diamonds comes from Country A and Country B. Suppose that the marginal cost of mining a diamond is $1,000 per diamond and that the demand schedule for diamonds is as follows: Price Quantity $ 6,000 5,500 5,000 6,500 4,000 7,500 3,000 8,500 2,...
*June 3, 2010*

**psychology**

The person in question was able to settle into a job and marriage like the rest of the group.
*June 1, 2010*

**alegbra**

x^2+4x-8 (X+4)^2=6 could you help me please.
*May 28, 2010*

**algebra**

Is where the following trinomials perfect squares. X^2+16x+64 this is the problem is does not have equal. so could you work this for me please.
*May 28, 2010*

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