Tuesday

September 2, 2014

September 2, 2014

Total # Posts: 2,717

**Math**

A company pays commissions of 6% on the first $500 in sales and 8%on sales over $500.What is the commission on an $800 sale?
*October 4, 2010*

**math**

you sellect four packages of modeling clay and a set of tools for a craft project.If there is a 6% sales tax,how much money will you need to buy these supplies? Clay:$2.79 each plus tax Tools:$1.79 plus tax
*October 4, 2010*

**math**

Find the sales tax rate for each purchase. Purchase,$25.79;Tax,$1.29
*October 4, 2010*

**math**

There are 24 blanks so it goes The rookie football player wo kept asking his coach to flood the football field with water so he could go in as a sub Most people forgot the other football in front of the field and so it was wrong Thx for reading
*October 4, 2010*

**Chemistry**

1) You are given solutions of HCl and NaOH and must determine their concentrations. You use 37.0mL of NaOH to titrate 100mL of HCl and 13.6 mL of NaOH to titrate 50.0mL of 0.0782 M H2SO4. Find the unknown concentrations. Molarity of NaOH and molarity of HCL? 2) Sodium ...
*October 4, 2010*

**college**

1) You are given solutions of HCl and NaOH and must determine their concentrations. You use 37.0mL of NaOH to titrate 100mL of HCl and 13.6 mL of NaOH to titrate 50.0mL of 0.0782 M H2SO4. Find the unknown concentrations. Molarity of NaOH and molarity of HCL? 2) Sodium ...
*October 4, 2010*

**PHYSICSS**

A block is projected up a frictionless inclined plane with initial speed v1 = 3.40 m/s. The angle of incline is è = 31.1°. (a) How far up the plane does it go?(m) (b) How long does it take to get there? (s) (c) What is its speed when it gets back to the bottom?(m/s)
*October 3, 2010*

**physicsssss**

two blocks are connected over a pulley. The mass of block A is 10 kg and the coefficient of kinetic friction between A and the incline is 0.24. Angle èof the incline is 30°. Block A slides down the incline at constant speed. What is the mass of block B?
*October 3, 2010*

**8th grade**

Why Do Girls Like Guys Who Wear Shirts With Eight Buttons?
*October 2, 2010*

**algebra**

Write and solve an inequality to find the approximate circumference of Earth using the following information - the 4 million miles of public roads in the U.S. would: Reach to the moon and back more than eight times, circle the globe more than 157 times
*September 29, 2010*

**science**

Explain why a bullet with a mass of 15 grams and a velocity of 400 m/s has more momentum than you at rest. Calculate the momentum for both.
*September 28, 2010*

**calc 3**

find the arc length of the curve r(t)= <6sqrt(2),e^t,e^(-6t)>
*September 24, 2010*

**Math**

find the equation of the givin pair of points and write in slop intercept form. (1/3,-5) (13/3,-8)
*September 24, 2010*

**dynamics**

D and F only
*September 22, 2010*

**geometry**

As the marketing designer for Burger King, you are given a 4 in by 6 in logo and have been told to create an advertisement that is six times larger. What is the area of your advertisement (in feet)? [12 inches = 1 ft] A. 6 ft2 B. 36 ft2 C. 72 ft2 D. 3 ft2
*September 21, 2010*

**Chemistry**

What minimum frequency of light is required to ionize potassium?The energy required to ionize potassium is 419kJ/mol?
*September 18, 2010*

**PHYICS**

what about 13/8 0 31/15 P
*September 18, 2010*

**PHYICS**

Pick the radioactive isotope in each set 14/7 N OR 23/13 AL EXPLAIN A)its atomic number is greater than 83 B)it has fewer n than p in the nucleus C)it is an odd-odd nuclide none of the above
*September 18, 2010*

**physics**

Pick the radioactive isotope in each set 23/11 na or 20/9 f explain why a)its atomic number is greater than 83 b)it has fewer n than p in the nucleus c)it is an odd-odd nuclide none of the above
*September 17, 2010*

**phyics**

Pick the radioactive isotope in each set. 23/11 20/9 Explain your choice. a)its atomic number is greater than 83 b)it has fewer n than p in the nucleus c)it is an odd-odd nuclide none of the above
*September 17, 2010*

**phyics**

i dont think it 4
*September 17, 2010*

**phyics**

Tritium (half-life = 12.3 y) is used to verify the age of expensive brandies. If an old brandy contains only the following fraction of the tritium present in new brandy, how long ago was it produced? 1/16
*September 17, 2010*

**geometry**

two triangular roofs are similar. The ratio of the corresponding sides of these roofs is 2:3. If the altitude of the smaller roof is 4.5 feet, find the corresponding altitude of the larger roof. Round to the nearest hundredth. A. 7.5 B. 6.75 C. 6 D. 4
*September 17, 2010*

**Biology 9th grade**

I don't know
*September 16, 2010*

** World Geography **

which climate region occurs more frequently along the Equator
*September 16, 2010*

**4th grade**

what's a good sentence for glacier
*September 14, 2010*

**Physics**

6.2seconds
*September 14, 2010*

**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*

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