Thursday

January 29, 2015

January 29, 2015

Total # Posts: 76,898

**english**

my neigbor give a lot parties but not because theyre they just dont impress the guest with there
*January 25, 2015*

**civic**

what are the conflict prevention methods?
*January 25, 2015*

**Algebra**

Thank you but I think the answer is actually 5/6????
*January 25, 2015*

**Algebra**

You have the numbers 1–24 written on slips of paper. If you choose one slip at random, what is the probability that you will not select a number which is divisible by 6? (1 point) 1/6 5/6 1/3 2/3 my answer - right or wrong?
*January 25, 2015*

**math**

Suppose that the functions f and g are defined for all real numbers x as follows.f(x)=x+4,g(x)=3x+2.Write the expressions for(f*g)(x) and (f-g)(x) and evaluate (f+g)(4)
*January 25, 2015*

**Maths and Physics**

An inverted garbage can of Weight W is suspended in air by water from a geyser. The water shoots up from the ground with a speed u, at a constant rate dm/dt. Find the maximum height at which the garbage can rides.What assumption must be fulfilled for the maximum height to be ...
*January 25, 2015*

**Algebra samuel **

5*+9=3*-36
*January 24, 2015*

**physics**

A series of two 2.0 kg blocks are attached together through string B.Two of the blocks weigh each 2.0 kg and are now being use for a new experiment. The blocks are being pulled upwards by another string A with a force of 25 N. What is the acceleration of the blocks?(3.55 m/s^2...
*January 24, 2015*

**Trigonometry**

Law of Sines sigma=27 deg 30' c= 52.8 a=28.1 Please show two solutions (beta1, beta2,...) due to acute and obtuse angles. Thank you so much for helping!
*January 24, 2015*

**english**

Identify the sentence that is punctuated correctly. a Give me a call tomorrow, veronica, when you get home, so we can discuss the details of the upcoming event. b. Give me a call tomorrow, Veronica, when you get home so we can discuss the detail of the upcoming event. c. Give ...
*January 24, 2015*

**physics**

A series of two 2.0 kg blocks are attached together through string B.Two of the blocks weigh each 2.0 kg and are now being use for a new experiment. The blocks are being pulled upwards by another string A with a force of 25 N. What is the acceleration of the blocks?(3.55 m/s^...
*January 24, 2015*

**Intro. Physics!!!**

1------- A -10 uC charge is placed 0.20 m away from an unknown charge. The force between the two charges is found to be attractive and has a value of 9.0 N. What is the magnitude and sign of the other charge? 2-------- A -5 uC charge is a distance of 12 cm from a 7 uC charge. ...
*January 24, 2015*

**Physics**

A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same speed of 19.0m/s , and the distance between them is 52.0m . After t1 = 5.00s , the motorcycle starts to accelerate at...
*January 24, 2015*

**Physics**

A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same speed of 19.0m/s , and the distance between them is 52.0m . After t1 = 5.00s , the motorcycle starts to accelerate at...
*January 24, 2015*

**Physics**

Three charges, Q1, Q2 and Q3 are located on a straight line. The charge Q3 is located 0.136 m to the right of Q2. The charges Q1 = 1.22 μC and Q2 = -2.46 μC are fixed at their positions, distance 0.301 m apart, and the charge Q3 = 3.03 μC could be moved along ...
*January 24, 2015*

**Pre Calculus**

Approximate, to the nearest 0.01 radian, all angles theta in the interval [0,2pi) that satisfy the equation. a.) sin theta=-0.0135 b.) cot theta=-2.731 Thank you for helping! I appreciate it!
*January 24, 2015*

**Chemisty Help**

I've got the answers!!! Thank you!!!
*January 24, 2015*

**Chemisty Help**

using 1-bromobutane and any necessary organic or inorganic reagent, suggest efficient syntheses of each of the following alcohols: 1) 1-pentanol 2) 2-hexanol 3) 1-phenyl-1-hexanol 4) 3-methyl-3-heptanol 5) 1-butylcyclobutanol Thank you!
*January 24, 2015*

**Physics**

3*e-8
*January 24, 2015*

**statistics**

In a class of 300 students, John’s rank was 40. Find his percentile rank
*January 24, 2015*

**statics**

in a certain normal distribution , 1.25% of the area lies to the left of 42 , and 1.25% of the area lies to the right of 48. find population mean and sigma
*January 24, 2015*

**pre-calculus**

The terminal ray of an angle passes through the point (5,12). What is the value of cosine for this angle?
*January 24, 2015*

**Social studies**

In Greece what were the first competitions other than sports in the Olympics
*January 24, 2015*

**science**

A tractor pulls a tree trunk across a horizontal piece of ground. If the force in a chain is 3000N and the chain forms an angle of 30 degrees with the ground, calculate the force with which the tree is pulled across the ground and the force with which the tree is lifted
*January 24, 2015*

**Chemistry **

What two factors inﬂuence the effectiveness of molecular collisions in producing chemical change?
*January 24, 2015*

**College Algebra**

2*2
*January 23, 2015*

**Add maths form 4**

one of the roots of the equation x^2 - 2qx + 2q +4 = 0 is three times the other root, determine the value q. The answer is 4 and -4/3. Could anyone pls show me the step? Thx in advance
*January 23, 2015*

**math**

According to the US Bureau of the Census, the world population in the year 1950 was A=2555360972, and in 2000 it was B=6079006982. We'll use A and B so we don't have to keep writing those large and idiosyncratic numbers. We usually use y and x in the equation of a line...
*January 23, 2015*

**math**

The next three problems explore some techniques of data analysis. According to the US Bureau of the Census, the world population in the year 1950 was A=2555360972, and in 2000 it was B=6079006982. We'll use A and B so we don't have to keep writing those large and ...
*January 23, 2015*

**math**

A new apartment building was sold for $125000 4 years after it was purchased. The original owners calculated that the building appreciated $3000 per year while they owned it. Find a linear function that describes the appreciation of the building, if x is a number of years ...
*January 23, 2015*

**Language Arts**

Oh ok thank you:)
*January 23, 2015*

**math**

The consumers will demand 32 units when the price of a product is $59, and 50 units when the price is $42. Find the demand function (express thr price p in terms of the quantity q), assuming it is linear.
*January 23, 2015*

**SS**

I don't know anything about SS.
*January 23, 2015*

**SS**

What resources led to the appearance of the Industrial Revolution in New England? Can somebody help me answer this question??
*January 23, 2015*

**earth**

The radius of the Earth is approximately 3,960 miles. Find the approximate surface-area-to-volume ratio of the Earth.
*January 23, 2015*

**S.S**

Yes. You are correct!
*January 23, 2015*

**Science**

1)What is the Theory of Plate Tectonics? 2)What physical features are caused by plate tectonics? 3)What causes Earth's plates to move continuously?
*January 23, 2015*

**LA**

Thank you so much Ms. Sue. I got a 4/4
*January 23, 2015*

**LA**

In which of these places would you most likely see a rut? A)a dirt road B)a museum hall C)a movie theater D)a skyscraper I choose A?
*January 23, 2015*

**LA**

Ms.Sue?? I choose d?
*January 23, 2015*

**LA**

Are you talking to me Ms.Sue?
*January 23, 2015*

**LA**

Answer Choose. A)shining B)blue C)drops D)golden
*January 23, 2015*

**LA**

Okay. Question 2. In the context of these lines from "Harlem Night Song," which word tells you that dew is probably some kind of moisture? Moon is shining, Night sky is blue. Stars are great drops Of golden dew. I choose A?
*January 23, 2015*

**LA**

Can I ask you 3 more questions?
*January 23, 2015*

**LA**

In what way do the people actually "disappear" in "The City Is So Big"? A)They cannot be seen once they go inside the buildings. B)They disappear behind closed elevator doors. C)They are murdered. D)They move to the suburbs. I choose B?
*January 23, 2015*

**algebra 2**

In a bag of marbles you have 6 green, 4 yellow, 8 blue, and 2 red marbles. What is the probability of picking a blue marble from the bag?
*January 23, 2015*

**algebra**

let f(x)=-5x-4 and g(x)=6x-7. find f(x)+g(x)
*January 23, 2015*

**physics**

5m ladder leans against frictionless wall. point of contact is 4m above the ground. ladder has uniform mass of 15kg. determine forces by ground and the wall on the ladder
*January 23, 2015*

**Antiderivatives**

Thank You Steve. Also Reiny thats what you get for being rude. >:(
*January 22, 2015*

**Antiderivatives**

For the function f, given below, find the antiderivative F that satisfies F(1)=1. f(x)= x^5 -4x^-3 -4 . I keep getting x^6/6 +x^2 -4x + 17/6 . But my answer is wrong My other answer of x^6/6 +4x^-2 +4x + 43/6 is wrong also. They both end up equaling 1. So what am I doing wrong?
*January 22, 2015*

**science**

The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by v = (-4.25 10^7) t^2 + (3.45 10^5) t, where v is in meters per second and t is in seconds. The acceleration of the bullet just as it leaves the barrel is zero. (a) Determine the ...
*January 22, 2015*

**physics**

The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by v = (-4.25 107) t 2 + (3.45 105) t, where v is in meters per second and t is in seconds. The acceleration of the bullet just as it leaves the barrel is zero. (a) Determine the ...
*January 22, 2015*

**science**

a satellites original velocity is 10,000 m/s. after 60 seconds, it is 5,000 m/s. what is the satellites acceleration
*January 22, 2015*

**science**

a cars velocity changes from 0 m/s to 30 m/s in 10 sec. what is the cars average acceleration
*January 22, 2015*

**Math**

a = [450km/hr - 900 km/hr]/2.5 minutes a = [-450km/hr]/2.5 minutes a= [-450km/hr]/0.416 hrs a = -10817.31km/hr2 is that correct?
*January 22, 2015*

**Math**

If an airplane is traveling at 900 km/hr and slows to 450km/hr in 2.5 minutes. What is the plane's acceleration?
*January 22, 2015*

**science**

Which place is most likely to have cold weather and a cold climate year-round
*January 22, 2015*

**physics**

A projectile of mass 0.528 kg is shot from a cannon, at height 6.7 m, as shown in the figure, with an initial velocity vi having a horizontal component of 7 m/s. The projectile rises to a maximum height of 3.8 m above the end of the cannon’s barrel and strikes the ground ...
*January 22, 2015*

**math**

If 26 Blims weigh as much as 4 Blams and 2 Blums while 8 Blims and 2 Blams have the same weight as 2 Blums, how many Blims have the same weight as 3 Blums?
*January 22, 2015*

**English Check please**

1. C 2. D Online school
*January 22, 2015*

**Math**

At the scrabble tourtament 2 different games went on for a total of 93 mins. How long did it take yo complete each game
*January 22, 2015*

**Language**

B and D both make me calm, but D also sounds the same as B.
*January 22, 2015*

**Help help help help help!!!**

Help please!
*January 22, 2015*

**Language**

Which lines from "The Fairies' Lullaby" best help the reader understand the author's calm tone? A. you spotted snakes with double tongue, / Thorny hedgehogs, be not seen. B. Philomel(Nightingale) with melody / Sing in our sweet lullaby; C. Hence, you long-...
*January 22, 2015*

**Math**

Is log(2)4^(3x+4) equal to 6x + 8?
*January 22, 2015*

**Math**

For log(5)x^8 = 16, are both 25 and -25 solutions?
*January 22, 2015*

**HELP!**

correct! it could be B eats D too, but I think that I got that one wrong
*January 22, 2015*

**HELP!**

connexus test i recognize what do you think? you did not post the whole question by the way
*January 22, 2015*

**Science Ecosystem Exam**

cheating is not allowed though
*January 22, 2015*

**Science Ecosystem Exam**

you are in connexus science 6A it is D
*January 22, 2015*

**Language**

I need help!!
*January 22, 2015*

**Language**

Which lines from "The Fairies' Lullaby" best help the reader understand the author's calm tone? A. you spotted snakes with double tongue, / Thorny hedgehogs, be not seen. B. Philomel(Nightingale) with melody / Sing in our sweet lullaby; C. Hence, you long-...
*January 22, 2015*

**math**

Marilyn wants to install carpet in her living room that measures ft by 16 ft. What is the area of the living room?
*January 22, 2015*

**art**

what was the answer to this question
*January 22, 2015*

**Math**

Actually, the assignment says the graphs opens downward and asks me to put in in the equation. So then this looks fine, right?
*January 22, 2015*

**Math**

For a quadratic with a vertex of (4, 1) with the graph opening downward, is this the right construction in vertex form? -a(x - 4) + 1
*January 22, 2015*

**Science**

The answer is C
*January 22, 2015*

**Science**

Which foods are lipids found in, and what is their function in the body? A: lipids are found in sugars and starches and are the main source of energy for the body B: lipids are found in fats and oils and are an essential component of cell membranes C: lipids are found and fats...
*January 22, 2015*

**English **

"that the Armatix smart gun would not trigger the law" Is that a device? Maybe personification?
*January 22, 2015*

**algebra**

4000.00 bond with a yearly interest rate of 4% the total interest was $800.00 what was the length of the investment
*January 22, 2015*

**math**

Find the total number of possible squares on the chessboard
*January 22, 2015*

**physics**

A canoe has a velocity of 0.31m/s southeast relative to the earth. The canoe is on a river that is flowing
*January 22, 2015*

**Science**

Would it be D then? @lucina
*January 21, 2015*

**Science**

The cell theory was A: developed by Robert Hooke B: developed before microscopes were invented C: developed only after electron microscopes became widely used D: developed by many scientists over many years Is the answer A?
*January 21, 2015*

**physical science**

if you drop an object from a height of 0.8m, it will hit the ground in 0.40s. if you throw a baseball horizontally with an initial speed of 29m/s from the same height, how long will it take the ball to hit the ground
*January 21, 2015*

**Science **

Most bacteria are A: unicellular eukaryotes B: unicellular prokaryotes C: multicellular eukaryotes D: multicellular prokaryotes Is the answer B?
*January 21, 2015*

**Chem**

A scientist finds that one volume of an unknown gas X combines with 2 volumes of another gas Y to form 2 volumes of a new gas with a formula XY2. What is the balanced equation?
*January 21, 2015*

**Science**

Is the answer d?
*January 21, 2015*

**Science **

Which foods are lipids found in, and what is their function in the body? A: lipids are found in sugars and starches and are the main source of energy for the body B: lipids are found in fats and oils and are an essential component of cell membranes C: lipids are found and fats...
*January 21, 2015*

**Math**

If -f(x), or reflection across the x-axis, is done on .7x - 4, then is the new equation -.7x + 4?
*January 21, 2015*

**chemistry**

Calculate the number of grams of sulfuric acid in 1 gallon of battery acid if the solution has a density of 1.25g/mL and is 38.3{\rm \\%} sulfuric acid by mass.
*January 21, 2015*

**Science**

Oxygen moving from the bloodstream into a cell down a concentration gradient is a form of A: osmosis B: endocytosis C: Active transport D: passive transport Is the answer D?
*January 21, 2015*

**Social Studies**

Do you know the answer!?
*January 21, 2015*

**Social Studies**

I marked this at social studies I meant science
*January 21, 2015*

**Social Studies**

Which foods are lipids found in, and what is their function in the body? A: lipids are found in sugars and starches and are the main source of energy for the body B: lipids are found in fats and oils and are an essential component of cell membranes C: lipids are found and fats...
*January 21, 2015*

**chemistry**

A mixture of N2(g) and H2(g) has mole fractions of .40 and .60, respectively. What is the density of the mixture at 1 bar and 0 degrees celsius?
*January 21, 2015*

**Social Studies**

Ok thanks so much! Number 2 was B. And I got 100%
*January 21, 2015*

**Social Studies**

1: The government must provide some goods and services because A: they are too expensive for entrepreneurs to provide. B: demand for them is greater than supply. C: private producers have no incentive to do so. D: not many people are interested in buying them. Is the Answer C...
*January 21, 2015*

**Social Studies.**

What is one problem with putting off the cost of policies in public services? A: The national debt will continue to grow. B: Voters will not enjoy the benefits of the programs. C: politicians will refuse to vote for laws that do this. D: The federal budget will remain balanced...
*January 21, 2015*

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