Monday

November 24, 2014

November 24, 2014

Total # Posts: 1,683

**math**

bob worked 32 hours per week at his job. his boss offers him a full-time position (40 hours per wee) and a $2 per hour raise. He now will be making $200 more per week. what was his hourly rate before the raise?
*November 20, 2014*

**chemistry**

methane(g) +water= carbon monoxide(g)+Hydrogen (g) use the bond energies in the following table to predict the delta H foe the reaction
*November 18, 2014*

**Science**

If you have 100g of vinegar and add 10g of baking soda, what should the total mass be?
*November 17, 2014*

**MATH HELP PLEASE**

I don't know how to do these 13/4(2x+3/4) It wants me to expand the linear expression and I got 13(8x+3)/16
*November 13, 2014*

**math**

A round, 6-ft wide hot tube is being built into a 12-ft by 30-ft rectangular deck. How much decking is needed for the surface of the deck?
*November 8, 2014*

**Math**

to find 6x8, can I use the facts for 5x4 and 1x4
*November 6, 2014*

**Math**

Larry purchased a ski lodge in Telluride for $850,000. His bank is willing to finance 70% of the purchase price. As part of the mortgage closing costs, Larry had to pay 4% discount points. How much did this amount to?
*November 6, 2014*

**physics**

a motorcycle wants to jump a ditch 4m wide. he leaves one side on a ramp that slopes up at 30 above horizontal. he lands at the same elevation at which he took off. his front wheel leaves the ground 2m before the edge of the ditch and comes down 3 m past the far side of the ...
*November 4, 2014*

**Statistical**

A botany student counted 11 blades of grass in one square centimeter of lawn and measured the lawn as a rectangle 61 m by 31 m. She reported that there were 208,010,000 blades of grass in the lawn. The precision of her conclusion: the answer is A. correctly represents her ...
*November 4, 2014*

**Math**

If the correct answer is 7.52609, which of the following entries would be counted as correct? That is, which entries are withing Webassigns default tolerance? select all that apply. 7.4 7.3680 7.53 7.458 7.68 7.5938
*November 1, 2014*

**calculus**

A woman pulls a sled which, together with its load, has a mass of m kg. If her arm makes an angle of θ with her body (assumed vertical) and the coefficient of friction (a positive constant) is μ, the least force, F, she must exert to move the sled is given by If &#...
*October 30, 2014*

**math**

Hanna and Fran have $120, Hanna and Pete have $230. Pete has 6x more than Fran. How much money does Hanna have?
*October 27, 2014*

**precalculus**

Three friends want to share a circular 12-inch pizza equally by exactly only two parallel cuts. How far from the center must the cuts be? Hint: The pizza is a circle of radius 6 inches.
*October 26, 2014*

**Math**

a car is 48 times bigger than a model that you are building if the tires are 27 inches tall how tall will the tires on the model be
*October 15, 2014*

**Art Again**

Help please!
*October 13, 2014*

**Art Again**

The Bridge at Argenteuil By Claude Monet How did the artist create interesting textures in this image? by experimenting with various brushstrokes (My Choice) by using only one color by concentrating on negative space by using no value changes This class is so HARD! I have ...
*October 13, 2014*

**Art Need help Please**

These test are hard!!
*October 13, 2014*

**Art Need help Please**

Bump
*October 13, 2014*

**Art Need help Please**

Adoration of the Shepards by Nicolaes Maes How has the artist used value in this painting? The background is lighter than the foreground to draw the viewers eye The artist did not use value in this painting The subject is lighter than the background to draw the viewers eye (my...
*October 13, 2014*

**math**

Find the equation of the tangent line to the graph of f(x) = (4x − 8)/(x + 1) at x = 0. (Use y for your dependent variable.)
*October 9, 2014*

**Chemistry**

A buffer contains 0.50 mol CH3CO2H and 0.50 mol CH3CO2- diluted with water to 1.0 L. How many moles of NaOH are required to increase the pH of the buffer to 5.00? (pKa for CH3CO2H = 4.74)
*October 3, 2014*

**math**

a car traveling in a straight line has a initial velocity of 12.0 m/s.zoe steps on the gas and accelerates at at rate of 2 m/s2.The care ends up with a final velocity of 20.0 m/s.how long did it take zoe to reach this speed
*October 1, 2014*

**Chemistry**

How much energy must you use to raise the temperature of 100 grams of water from 60 degrees Celsius to 70 degrees Celsius? show you calculations. I am confused on how to use formulas.
*September 23, 2014*

**chemistry**

After isolating the sulfonated product, the filtrate volume is found to be 25.25 mL. A dilution using 1 mL of filtrate and 99 mL of water gives a solution with an absorbance of 0.427. How many moles of indigo carmine were produced? (Molar absorptivity of indigo carmine was ...
*September 22, 2014*

**algibra1**

One side of the triangle is twice as long as the second side. The remaining side is 4cm greater than the second side. The perimeter of the triangle is 24cm.Find the length of each side of the triangle.
*September 15, 2014*

**heat change**

if 89 j of heat is added to a gold coin with a mass of 12 g. what is the temprature change?
*September 10, 2014*

**chemistry**

A 6.0-ft person weighs 177lb. express this person's height in meters and weight in kilograms.
*September 7, 2014*

**chemistry**

thanks! but do you mind explaining it a bit to me?
*August 30, 2014*

**chemistry**

A first order reaction and a separate second order reaction both have the same rate of reaction. What is the effect on the rate of reaction for each reaction if the concentrations of reactants in both reactions are halved?
*August 30, 2014*

**history**

During Lyndon Johnson's presidency, which of the following legislative or executive measures banned literacy tests?
*August 28, 2014*

**Chemistry**

At 1 atm, how much energy is required to heat 43.0 g of H2O(s) at –22.0 °C to H2O(g) at 169.0 °C?
*August 25, 2014*

**Algebra 2**

I'm still confused. I don't get it. Sorry Farah.
*August 24, 2014*

**Algebra 2**

Can someone help me. Thankyou.
*August 24, 2014*

**Algebra 2**

It takes you 3 hours to mow a lawn & it takes your sister 2 hours to mow the same lawn. How long does it take the two of you to mow 12 lawns if you work together? Whats the answer? Helpppp
*August 24, 2014*

**Algebra 2**

never mind I got it
*August 24, 2014*

**Algebra 2**

The number of pages p a student can read varies directly with respect to time t in minutes spent reading. The student can read 90 pages in 60 minutes. Write an equation that relates pages read & time. Predict the number of pages in 90 minutes. Answer
*August 24, 2014*

**algebra 2**

You need to earn $475/wk to afford your new car. Your work week is 45 hrs & you get 1.5 time the regular hourly rate for any time over 40 hrs. How much do you need hourly?
*August 24, 2014*

**Algebra 2**

It's understood. Hvala Thanks.
*August 24, 2014*

**Algebra 2**

your local cable company charges $29.99/month for basic cable. Premium channels are available for a surcharge of $5.95/channel. You have $70/month budgeted for cable, how many premium channels can you purchase?
*August 24, 2014*

**math**

(A)Simplify: n 1 n-1 1. 2 . 25 --------------- n 50.50 2. n 4 n 1 2 - 6.2 --------------- n 2 2 .5 (B)solve for x (1 over 2) to the power x 1 =32
*August 24, 2014*

**math**

For which vAlues of x the following expressions not defined if all these expressions are real numbers 1. 2x-1 negative ------ 3x-2 2.square root of 2(x-7)
*August 24, 2014*

**math**

Describe the following reflections or translation in words 1.(x,y)--->(x,-y) 2.(x,y)-->(-y,-x) 3.(x,y)-->(x 4,y-4)
*August 20, 2014*

**chemistry**

Lovastatin is an anti-cholesterol drug that can be easily extracted from oyster mushrooms. A 291 mL lovastatin solution with a concentration of 0.001479 mol L-1 was extracted from 50 g of dried oyster mushrooms. Calculate the percentage of lovastatin in the mushrooms. ...
*August 17, 2014*

**math**

What is the area of a square computer screen with 21-in. sides? A. 84 sq. in. B. 220 sq. in. C. 42 sq. in. D. 441 sq. in. please help
*August 13, 2014*

**Geometry: Area and Volume Math**

oh ok thank you for the help
*August 13, 2014*

**Geometry: Area and Volume Math**

because I thought it was a square
*August 13, 2014*

**Geometry: Area and Volume Math**

so like 6cm x 6cm x 6cm x 6cm and that would be like 1296 right
*August 13, 2014*

**Geometry: Area and Volume Math**

In this problem I would multiply the 6cm right
*August 13, 2014*

**Geometry: Area and Volume Math **

What is the volume of a cube shaped box with edges 6 cm. in length? A. 1,296 cu. cm. B. 36 cu. cm. C. 18 cu. cm. D. 216 cu. cm. please help
*August 13, 2014*

**Math**

Thank you for explaining it for me
*August 13, 2014*

**Math**

The spoke of a wheel reaches from the center of the wheel to its rim. If the circumference of the rim of the wheel is 27 inches, how long is each spoke? Round your answer to the nearest hundredth. A. 2.93 B. 2.07 C. 8.59 D. 4.30 can someone explain how to do this problem I don...
*August 13, 2014*

**math**

figure it out like explain it for me please
*August 13, 2014*

**math**

how did you figure that out can you help me
*August 13, 2014*

**math**

The spoke of a wheel reaches from the center of the wheel to its rim. If the circumference of the rim of the wheel is 27 inches, how long is each spoke? Round your answer to the nearest hundredth. A. 2.93 B. 2.07 C. 8.59 D. 4.30
*August 13, 2014*

**first chemistry**

Salicylic acid reacts with acetic anhydride to produce the analgesic drug aspirin and acetic acid. Using a periodic table, calculate the molecular weight of aspirin to 2 decimal places.
*August 1, 2014*

**chemistry**

consider the reaction 2NaF if you begin with 4.8 mol S and 2.6 mole F, what is the limiting reactant and theorical yield of NaF in moles
*July 30, 2014*

**Physics**

Please Help! Two ropes hold a 500N weight. Rope A (left) with an angle of 60° and rope B (right) with an angle of 30° to the horizontal. Find the tension in both ropes.
*July 21, 2014*

**Physics mit 2.01x**

Gotcha, I got the other problems fine this ones really troubling me so thought I'd take a shot , atleast try to get closer to what I'm doing wrong. Thanks for the response and I completely understand !:)
*July 15, 2014*

**Physics mit 2.01x**

F13Q1_1: COMPOSITE BAR UNDER DISTRIBUTED LOADING The composite bar AB has length L and is fixed at A(x=0). The bar has a constant cross-section and is composed of two steel plates, of modulus Es=2E0 sandwiching a copper core of modulus Ec=E0. The steel plates and the copper ...
*July 15, 2014*

**Hisotry- Arabian/ 1001 Nights?**

1) What is the main purpose for Shahryar and Shahzaman’s journey together? To find someone whose suffering is greater than their own To escape the revolt Shahryar caused by executing most of the single women in his land To rekindle their brotherly love, which had ...
*July 11, 2014*

**English- Arabian/1001 Nights**

1) What is the main purpose for Shahryar and Shahzaman’s journey together? To find someone whose suffering is greater than their own To escape the revolt Shahryar caused by executing most of the single women in his land To rekindle their brotherly love, which had ...
*July 11, 2014*

**chemistry**

a block of metal has a volume of 13.4in^3 and a weight of 5.14 lb. what is its density in grams per cm^3? Show operation
*July 10, 2014*

**History- Confucius**

Yes, please.
*July 7, 2014*

**History- Confucius **

Question 1 The title Analects best translates as “____.” poems dialogues sayings fables Question 2 Which of the following does not reflect Confucian values: Replacing old traditions with modern values Exploring wisdom within yourself rather than looking for a ...
*July 7, 2014*

**chemistry**

2HCl + Mg ---> H2 + MgCl2 How can I differ what is what? 2HCL= Mg = --- H2 = MgC12 =
*July 7, 2014*

**History**

Question 1 The title Analects best translates as “____.” poems dialogues sayings fables Question 2 Which of the following does not reflect Confucian values: Replacing old traditions with modern values Exploring wisdom within yourself rather than looking for a ...
*July 6, 2014*

**Algebra 2**

That should be correct when you solve. Check every step properly.
*June 15, 2014*

**Algebra**

A cylindrical can has a volume of 5625π cubic centimeters. Its height is 25 centimeters. What is the radius of the can? Use the formula V=πr^2h
*May 8, 2014*

**Underwater explosion**

Can an underwater explosion be neutralized/countered (change direction or minimize shockwaves) by an equal or greater amount of force(compressed air)?
*May 5, 2014*

**Chemistry**

Thanks!!
*April 30, 2014*

**Chemistry**

Please help!! I am so lost!! calculate the number of moles in 100g each: PbCl2 K2SO4 HNO3 CH3CH2OH V2O5 Thankyou!!
*April 30, 2014*

**math**

a cylindrical metal bar has a base radius of 2cm and a height of 9cm. it is melted down and recast into a tube. Find a side of the cube
*April 28, 2014*

**math**

Uniform rod AB with end B resting against rough vertical wall. Coefficient of friction between wall and rod is μ. Rod is 2m long and has mass 3kg. Rod is kept in limiting equilibrium by a light inextensible string, one end of which is attached to the end A of the rod and ...
*April 23, 2014*

**CHEMISTRY! **

A 20.00 mL of 0.200mol/L magnesium chloride solution is added to a 95.00 mL of 0.800 silver (I) nitrate solution, and a precipitate is formed. a.Determine the concetration of the nitrate ions at the end of the reaction I was able to calculate the things and make an IRF table ...
*April 22, 2014*

**alegebra**

solve this equation 4.5(3v-0.8)-0.83=61.72
*April 12, 2014*

**alegebra**

slove this equation 4.4(4+5k)=145.2
*April 12, 2014*

**alegebra**

solve this equation -2(6v-8)-2=13-12v
*April 12, 2014*

**PHYSICS HELP **

100turns of insulated wire are wraped around a wooden cylindrical core of cross-sectional area 12cm2. The two ends of the wire are connected to a resistor. The total circuit resistance is 13Ω. If an externally applied uniform magnetic field along the core changes from 1....
*April 10, 2014*

**CHEMISTRY**

Write the net ionic equation for the reaction between potassium hydroxide and copper(I) nitrate.
*April 5, 2014*

**Basic Spanish **

My grandson need tutoring in basic Spanish to improve translate from Spanish to English in writing assignments, &grammar . Do you have review , similar to Khanacademy ? He needs tutoring to improve basic Spanish , has no tutoring in his school. Thank you
*March 23, 2014*

**math**

A lounge suite is on sale for 15% off its original price. On sale the price of the suite is R8000. How to calculate the original price?
*March 19, 2014*

**Chemistry**

what would the product be of HNO3 is heated
*March 9, 2014*

**Science**

I love you so very much! I was stuck on one question and you helped out a great deal!
*March 4, 2014*

**poem**

how to write acrostic about motion pls help.
*February 27, 2014*

**chem**

In the following balanced neutralization reaction equation, how many moles of HCl are required to completely neutralize 0.040 moles of NaOH? HCl + NaOH d NaCl + H2O
*February 25, 2014*

**physics **

A 3.3 kg ball strikes a wall with a velocity of 8.4 m/s to the left. The ball bounces oﬀ with a velocity of 6.8 m/s to the right. If the ball is in contact with the wall for 0.27 s, what is the constant force exerted on the ball by the wall? Answer in units of N
*February 23, 2014*

**world geography**

How has Italy’s economy changed since 1950
*February 21, 2014*

**Chemistry**

At 25 °C, the density of a 40.0% (m/m) solution of sucrose, C12H22O11, in water is 1.18 g/mL. What is the molarity of this solution?
*February 16, 2014*

**English III**

In the following sentence identify the appositive or appositive phrase and the noun or pronoun renamed by the appositive. Mother gave a birthday gift to Mary, my youngest sister.
*February 5, 2014*

**English**

In this section of the final, revise the sentences provided to correct the grammar errors indicated. (In many cases there will be more than one correct alternative to the sentence provided; credit will be given for all correct answers.) Revise the following word groups to ...
*January 27, 2014*

**AP Chemistry**

acidic, because the cation hydrolyzes to a greater extent than the anion.
*January 24, 2014*

**english**

my sister moved away in 2009
*January 24, 2014*

**Math**

Thanks !!
*January 23, 2014*

**Math**

5lbs 4oz to metric weight. Show all steps. Please help, I don't understand this cause I'm from Canada so we don't use lbs or oz. please help :)
*January 23, 2014*

**math**

The spoke of a wheel reaches from the center of the wheel to its rim. If the circumference of the rim of the wheel is 27 inches, how long is each spoke? Round your answer to the nearest hundredth. A. 2.93 B. 2.07 C. 8.59 D. 4.30
*January 23, 2014*

**English**

Thanks :)
*January 21, 2014*

**English**

Ok I understand that part now but what about the language and the type of poem?
*January 21, 2014*

**English**

This is due and I really need help cause I still have so much else to do :(
*January 21, 2014*

**English**

Yes that's him
*January 21, 2014*

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