Tuesday

September 30, 2014

September 30, 2014

Total # Posts: 71,402

**6th Grade Math**

Hahahah
*September 16, 2014*

**Math (Ms. Sue!- my new answers)**

My new answers! 3) -4x + 5(x -2) = -16 + 10 *my answer -6* 4) 4.8 + x -5.9 = 3.6 * my answer 4.7* 5) 1/3x + 1/3 (2x - 15) = 3 1/2 * my answer is -3 9/15
*September 16, 2014*

**Math**

It doesn't say.
*September 16, 2014*

**Math**

The rectangles on a quilt are 4 in. wide and 5 in. long. The perimeter of each rectangle is made by a pattern of green thread. If there are 40 rectangles in the quilt, how much green thread is needed?
*September 16, 2014*

**Algebra**

Thank you!
*September 16, 2014*

**Algebra**

-2x^4+9=3x+5 Round two decimals
*September 16, 2014*

**algebra**

The odometer on your family car reads 20186.7 after going 62.3 miles.how many miles were on the odometer before going 62.3 miles?write an expression
*September 16, 2014*

**math**

Area=3x2 +5x -2 FInd length and width of the rectangle
*September 16, 2014*

**Math**

2-(b-a) use a=4, and b = 4
*September 16, 2014*

**Math**

5-(-8)
*September 16, 2014*

**Math**

3) -6 4) 4.7 5) -3 9/15
*September 16, 2014*

**Math**

Confused on these but these are my answers. *Not multiple choice* 1) -18 + 4 + x = 9 - 19 *my answer is -10* 2) 32 - 6x + 7x = -15 + 28 *my answer is 13* 3) -4x + 5(x -2) = -16 + 10 *my answer 4* 4) 4.8 + x -5.9 = 3.6 * my answer 4.7* 5) 1/3x + 1/3 (2x - 15) = 3 1/2 * my ...
*September 16, 2014*

**college algebra**

A jazz group on tour has been drawing average crowds of 600 people. It is projected that for every $1 increase in the $15 ticket price, the average attendance will decrease by 60. At what ticket price will nightly receipts be $7,560?
*September 16, 2014*

**Math**

I am assuming it is an oval shaped track where 100 is the diameter length wise and 60 is the diameter across. Then, use this approximation to get your p, which is the circumference of the track. (Remove the spaces to view the image.) d2gbom735ivs5c.cloudfront. net/m/geometry/...
*September 16, 2014*

**Calculus I**

Thanks for your help. I see the question much clearly now.
*September 16, 2014*

**Calculus I**

Suppose we have a metal bar of length L0 metres at temperature T0 in degrees Celsius.When the bar is heated or cooled, the length of the bar changes. The amount that the length changes is proportional to the product of the temperature change and the original length of the bar ...
*September 16, 2014*

**math**

Confused!! None of these questions are multiple choice. 1) -18 + 4 + x = 9 - 19 2) 32 - 6x + 7x = -15 + 28 3) -4x + 5(x -2) = -16 + 10 4) 4.8 + x -5.9 = 3.6 5) 1/3x + 1/3 (2x - 15) = 3 1/2 I have to find x for all of them, but I'm not sure what to do first.
*September 16, 2014*

**Math**

Mark finished 3/5 of his work in 15 mins how long will it take to finish all of his work?
*September 16, 2014*

**Math**

Mark finished 3/5 of his work in 15 mins how long will it take to finish all of his work?
*September 16, 2014*

**Math**

Mark finished 3/5 of his work in 15 mins how long will it take to finish all of his work?
*September 16, 2014*

**chemistry**

the maximum speed recorded for a giant tortoise is 0.11 m/sec. How many miles could a giant tortoise travel in 5.0 hrs?
*September 16, 2014*

**college algebra**

The Vilas County News earns a profit of $20 per year for each of its 3,000 subscribers. Management projects that the profit per subscriber would increase by 1¢ for each additional subscriber over the current 3,000. How many subscribers are needed to bring a total profit ...
*September 16, 2014*

**chemistry**

does the amount of rainy days in a month affect number of mosquitoes iv: amount of rainy days dv: number of mosquito
*September 16, 2014*

**college algebra**

An advertising company orders a poster that is 342 square feet. If its length is 1 foot greater than its width, find the dimensions of the poster.
*September 16, 2014*

**college algebra**

so the base is 4.1? then i subtract that from 23?
*September 16, 2014*

**college algebra**

A contractor leans a 23-foot ladder against a building. The distance from the ground to the top of the ladder is 7 feet more than the distance from the building to the base of the ladder. How far up the building is the ladder to the nearest tenth of a foot?
*September 16, 2014*

**Algebra**

Express g(f(x)) and f(g(x)), if they exist, as sets of ordered pairs. f= {(3,8),(2,5),(4,-5),(9,3)} g= {(9,2),(-5,3),(5,9),(8,10),(1,9)}
*September 16, 2014*

**HISTORY**

5-7. Among the motives behind England’s development of New World colonies were (circle three) A. overcrowded cities B. religious controversies C. unemployment D. Yankee stadium E. threats from Germany I think it's A, B, & C?
*September 16, 2014*

**chemistry**

Suppose you were instructed to prepare 100. g of 14.5% CaCl2 solution, you would need Blank 1 g of CaCl2 and Blank 2 g of water.
*September 16, 2014*

**physics**

A block of mass 4.69 kg is hanging from a rope. The tension in the rope is 33.8 N, pulling upward on the block. What is the magnitude and direction of the acceleration of the block?
*September 16, 2014*

**physics**

A block of weight 30.1 N is hanging from a rope. The tension in the rope is 18.8 N, pulling upward on the block. What is the magnitude and direction of the acceleration of the block?
*September 16, 2014*

**HISTORY**

The Pennsylvania Dutch (“Deutsch”) were A. Dutch settlers in Pennsylvania B. Pennsylvania settlers in Holland C. Catholics who moved from Holland to Pennsylvania D.wiped out by religious persecution E.a mixture of German Lutherans, Mennonites, Moravians, etc. I think...
*September 16, 2014*

**HISTORY**

why didn't the puritans celebrate Christmas? I read somewhere that it was because one guy banned it but I'm not sure if that's true.
*September 16, 2014*

**c**

that helps a lot thank you
*September 16, 2014*

**c**

A hose can fill a swimming pool in 4 hours. Another hose needs 9 more hours to fill the pool than the two hoses combined. How long would it take the second hose to fill the pool?
*September 16, 2014*

**college algebra**

The Vilas County News earns a profit of $20 per year for each of its 3,000 subscribers. Management projects that the profit per subscriber would increase by 1¢ for each additional subscriber over the current 3,000. How many subscribers are needed to bring a total profit ...
*September 16, 2014*

**English**

Has anybody read "A Sound of Thunder" by Ray Bradbury? I have, but I just want some confirmation on a couple of sentences.
*September 16, 2014*

**english**

One of the following sentences contains an independent clause and a dependent clause, which makes it a complex sentence. Which is the complex sentence? A. I came home; I saw an envelope in the mailbox. B. After the rain ended, the sky became blue. C. Jenny was the largest ...
*September 16, 2014*

**Coordinate Algebra**

A seedling grows at a rate of 1.5 cm each week. Before the seedling was planted in the ground, it measured 7 cm. Write an equation that model’s the flower’s height h after x weeks. What does the y-intercept represent?
*September 16, 2014*

**Coordinate Algebra**

Suppose y varies directly with x. If y = 6 when x = −2, find x when y is 9.
*September 16, 2014*

**English**

It doesn't pay for us to even touch the grass. What does "it doesn't pay for us" mean?
*September 16, 2014*

**Coordinate Algebra**

Write an equation in point-slope form for the line through the given point with the given slope. (5,4):m=-3
*September 16, 2014*

**Math**

Problem: Given any 3 non-collinear points, find the equation of the circle that contains them. 1. You need to select 3 non-collinear points, to use in the solution. The first point will be in quadrant 1, so choose a point with x and y coordinates between 5 and 25 first point:(...
*September 16, 2014*

**phy**

An airplane has a mass of 3.41 × 104 kg and takes off under the influence of a constant net force of 3.58 × 104 N. What is the net force that acts on the plane's 89.0-kg pilot?
*September 16, 2014*

**Calculus**

I do not understand what this question is asking and how to get the result for it: "Suppose we have a metal bar of length L0 metres at temperature T0 in degrees Celsius.When the bar is heated or cooled, the length of the bar changes. The amount that the length changes is ...
*September 16, 2014*

**Math**

1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *my answer is 7.8* 2) (x...
*September 16, 2014*

**chem 2**

solution is made by adding 0.100 mole of ethyl ether to 0.350 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20°C are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20°C (assuming ideal behavior) is:
*September 16, 2014*

**Physics**

Force acting on conductor when placed in magnetic field from east to west horizontal component is 3.0 and current is 10A
*September 16, 2014*

**Pre-Calculus/Trigonometry**

forget about this one i figured it out
*September 16, 2014*

**Pre-Calculus/Trigonometry**

Help please Which of the following is the equation of a line that passes through the points (2,5) and (4,3)? y = -x + 7 y = x + 7 y = 2x + 5 y = -2x + 5
*September 16, 2014*

**Life orientation**

What are the factors that cause lack of basic services? Plz help me.
*September 16, 2014*

**Mathhe**

18:162::36:?
*September 16, 2014*

**math**

How to write math paragraph for k+8=5 and, w+12=5 8th grade
*September 16, 2014*

**Calculus **

find an equation of the tangent line to the graph of the function f through the point (xsub0, ysub0) not on the graph. TO find the point of tangency (x,y) on the graph of f, solve the equation ....
*September 16, 2014*

**Analytical Chem**

I am a bit confused at the substitution part at the end. Can you please break it down further so I can find the concentrations?
*September 16, 2014*

**Analytical Chem**

Determine [Zn2 ], [CN–], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.390. The Ksp for Zn(CN)2 is 3.0 × 10–16. The Ka for HCN is 6.2 × 10–10. I know the following is what needs to be done, but im unsure of how to go about it. 1. ...
*September 16, 2014*

**French**

How do I say I want to interact with you informally in French?
*September 15, 2014*

**statistics**

lj
*September 15, 2014*

**Physics **

A block of mass m is given an initial speed of v along a horizontal frictional track. It travels a distance d and comes to a rest. the coefficient of kinetic friction between the block and the track is ....
*September 15, 2014*

**Math (Ms. Sue! Anyone!)**

addition
*September 15, 2014*

**Math (Ms. Sue! Anyone!)**

1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *confused on this ...
*September 15, 2014*

**French**

Thanks! Do I close the letter in the same manner as English? Ex. Amicalement, *My name*
*September 15, 2014*

**French**

In an informal letter, is writing just Bonjour! or Salut! without a name acceptable?
*September 15, 2014*

**Algebra1**

3(x+1) = -2(x-1)-4 3x + 3 = -2x + 2 - 4 3x + 3 = -2x - 2 Can you solve it now?
*September 15, 2014*

**math**

1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *confused on this ...
*September 15, 2014*

**pre-calculus**

At a selling price of $ 54 , a lamp company breaks even on total sales of $ 3564 . If the company's overhead is $ 396 , find the marginal production cost per lamp and find the profit on sales of 145 lamps.
*September 15, 2014*

**accounting**

Wallace Inc., a developer of radiology equipment, has stock outstanding as follows: 30,000 shares of cumulative preferred 2% stock, $90 par and 125,000 shares of $10 par common. During its first four years of operations, the following amounts were distributed as dividends: ...
*September 15, 2014*

**French**

How do you say which country are you from in French informally?
*September 15, 2014*

**counting**

My daughter home work wants her to count the animals in each picture and draw the correct number of counters to show how many
*September 15, 2014*

**Math**

A ramp long rises to a platform. The bottom of the platform is from the foot of the ramp. Find , the angle of elevation of the ramp. Round your answer to the nearest tenth of a degree.
*September 15, 2014*

**5th grade math**

55555555555555
*September 15, 2014*

**Biology**

How are the hydrogen bonds broken during DNA replication? Is it done by the DNA polymerases?
*September 15, 2014*

**World history help**

What does the juror token tell us about Greeks justice system? Need help ASAP!!!
*September 15, 2014*

**math**

Why is 1 not a prime number?
*September 15, 2014*

**Engish (ESL)**

Verb - furnished Subject - material ???
*September 15, 2014*

**Engish (ESL)**

The bison's hide furnished material for Indian tepees and robes. What's the subject and the verb?
*September 15, 2014*

**History**

Which one?? Which three empires competed for influence in the Balkans? 1. Austria-Hungary 2. Russia 3. ? History - Sierra, Monday, September 15, 2014 at 4:32pm The third one would be Serbia. History - Ms. Sue, Monday, September 15, 2014 at 4:37pm You're wrong, Sierra. The ...
*September 15, 2014*

**Pre-Calculus/Trigonometry**

Am I right? Which of the following is the equation of a line that passes through the point (3,2) and is parallel to the y-axis? y = 3 x = 2 y = 2 x = 3 <---
*September 15, 2014*

**Pre-Calculus/Trigonometry**

oh okay thanks :)
*September 15, 2014*

**Pre-Calculus/Trigonometry**

okay, but i still dont understand on how to solve this
*September 15, 2014*

**Pre-Calculus/Trigonometry**

slope intercept form m= y2-y1/ x2-x1
*September 15, 2014*

**Pre-Calculus/Trigonometry**

the slopes will be the same?
*September 15, 2014*

**Pre-Calculus/Trigonometry**

Help please What is the slope of the line that passes through (1,0) and is parallel to y = 3x + 5?
*September 15, 2014*

**History**

Which three empires competed for influence in the Balkans? 1. Austria-Hungary 2. Russia 3. ?
*September 15, 2014*

**physics**

What is the ball's rebound speed on its first bounce?
*September 15, 2014*

**Math**

It's greater than 700 000 The sum of all it's digits is 14 It has no zeros The hundreds digit is 3
*September 15, 2014*

**Chemistry**

never mind it tells me that it is not right. I don't know what I am doing wrong. (6.626*10^-34)(3.00*10^8)/ (500*10^-9)= 3.98*10^-19 so 100/ 3.98*10^-19= 2.52*10^-18
*September 15, 2014*

**Chemistry**

2.52*10^-18??? is what I got
*September 15, 2014*

**Chemistry**

A 100-watt lightbulb radiates energy at a rate of 100 J/s (The watt, a unit of power, or energy over time, is defined as 1 J/s). If all of the light emitted has a wavelength of 500nm, how many photons are emitted per second? (Assume three significant figures in this calculation.)
*September 15, 2014*

**Chemistry**

I got 5.56*10^-45 which doesn't make sense?
*September 15, 2014*

**Chemistry**

A laser produces 15.0mW of light. In 3.00hr , the laser emits 4.53×1020 photons. What is the wavelength of the laser?
*September 15, 2014*

**Chemistry**

3.5^3
*September 15, 2014*

**Chemistry**

how would you find out the mass?
*September 15, 2014*

**Chemistry**

A proton in a linear accelerator has a de Broglie wavelength of 115pm. What is the speed of the proton?
*September 15, 2014*

**Chemistry**

9.5*10^4?
*September 15, 2014*

**Chemistry**

what is the mass of the electron?
*September 15, 2014*

**Chemistry**

An electron has an uncertainty in its position of 611pm. What is the uncertainty in its velocity?
*September 15, 2014*

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | **6** | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>