Thursday
October 23, 2014

Posts by anonymous


Total # Posts: 72,998

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
12
September 16, 2014

math
5
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

Organic Chemistry
Lewis base
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

Chemisty
2
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

math
254
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

Organich Lab Help Please!!!!!!!!
The second part of the question I found that aqueous phase is still the bottom layer based on the density of each. I just want to make sure I'm on the right track. Thanks!
September 15, 2014

Organich Lab Help Please!!!!!!!!
You use 100 ml ethylchloride (density 0.92 g/ml) to extract 25 ml ethylene bromohydrin (density 2.41 g/ml) mixed with 100 ml of water. Is the aqueous layer the lower or the upper layer. How could you easily test this. You dissolve sodium chloride 40g. in the above mixture. ...
September 15, 2014

Biology
Are a replication fork and an origin of replication the same thing?
September 15, 2014

7th grade math
You should do 1/2 * 3/4, not the other way around.
September 15, 2014

history
4. The Puritans viewed themselves as creating A. an ideal Christian community to be copied by others B. a prestigious university for training ministers C. an English colony identical to the lifestyle in England D. a haven for persecuted religious minorities I think its A? The ...
September 15, 2014

Math
But if I plot f(x) = -3x + 5 and -f(x) = 3x - 5, it does not give me the reflection.
September 15, 2014

Math
If I want to reflect f(x) = -3x + 5 over the x-axis, would the new equation be f(x) = 3x - 5? Or is it -f(-x) = 3x - 5?
September 15, 2014

history
The established church in the Southern colonies was? the Anglican Church right? The most important cash crop in colonial Virginia was? tobacco right? Roger Williams believed wholeheartedly in A. extermination of all Native Americans B. complete separation of church and state C...
September 15, 2014

history
what was the puritan ultimate source of authority? it was the bible right?
September 15, 2014

college algebra
An executive invests $29,000, some at 8% and some at 4% annual interest. If he receives an annual return of $1,680, how much is invested at each rate?
September 15, 2014

general knowledge
How to write 9 september 2014 in 5 letters without using numbers..?
September 15, 2014

Settlement
One goal the French and Spanish colonists had in common in the New World was Answer developing the fur trade. establishing stable governments. converting the Native Americans. searching for gold and other precious metals.
September 15, 2014

Organich Lab Help Please!!!!!!!!
a) You use 100 ml ethylchloride (density 0.92 g/ml) to extract 25 ml ethylene bromohydrin (density 2.41 g/ml) mixed with 100 ml. Is the aqueous layer the lower or the upper layer. How could you easily test this. ----- Ethylchloride is less dense so it is the top layer Ethylene...
September 15, 2014

statistics
AAA reports that the average age of a car on U.S. roads in recent years has risen to 7.5 years. Suppose that the distribution of the age of automobiles assumes a mound shaped distribution. If 99.7% of the ages are between 1 year and 14 years, what is the value of the standard ...
September 14, 2014

Math
How do you write the transformation of a quadratic function two units right from its parent function? Is it y = (x + 2)^2?
September 14, 2014

Math
A Social Security number has seven digits. How many Social Security numbers are possible?
September 14, 2014

Math
An exam consists of six true-or-false questions. Assuming that every question is answered, in how many different ways can a student complete the exam? In how many ways may the exam be completed if a penalty is imposed for each incorrect answer, so that a student may leave some...
September 14, 2014

Quick math help
An angle with a measure of 89.9 degrees... Would it be a right or an acute angle?
September 14, 2014

physics
h
September 14, 2014

physics
While riding in a hot air balloon, which is steadily descending at a speed of 1.39 m/s, you accidentally drop your cell phone. (a) After 4.00 s, what is the speed of the cell phone? (b) How far is the cell phone below the balloon after this time? d = m (c) What are your ...
September 14, 2014

Physics Help
A crane is used to lift air conditioning units to the top of a 5-story building. Each story is 3.5 m high. The crane accelerates the units while lifting the units past the first story and then lifts them at a constant velocity past the second through fourth stories. it hen ...
September 14, 2014

Chemistry Urgent Help and Check Please!
a) You use 100 ml ethylchloride (density 0.92 g/ml) to extract 25 ml ethylene bromohydrin (density 2.41 g/ml) mixed with 100 ml. Is the aqueous layer the lower or the upper layer. How could you easily test this. ----- Ethylchloride is less dense so it is the top layer Ethylene...
September 14, 2014

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