Friday
March 6, 2015

Posts by anonymous


Total # Posts: 78,587

physics
Three point charges are arranged along the x-axis. Charge q 1 = +3.00 ìC is at the origin, and charge q 2 = -5.00 ìC is at x = 0.200 m . Charge q 3 = +8.00 ìC . Where is q 3 located if the net force on q 1 is 7.00 N in the −x direction?
February 4, 2015

algebra
a dvd costs twice as much as a music cd. jack buys 2 dvds and 2 cds and spends 45 dollars. determine how much one cd costs
February 4, 2015

Math
Using five 2's make the following numbers: 1 5 7 9 Thank you for your help
February 4, 2015

Math
Using five 2's make the following numbers: 1 5 7 9 Thank you for your help
February 4, 2015

Criminal investigation
What is grand larceny
February 4, 2015

Math
Ted bought items that cost $5.89 and $15.38.What was the total cost including 6% sales tax? Explain how how got our answer.
February 4, 2015

materials science
its fine
February 4, 2015

materials science
idk!!!
February 4, 2015

materials science
what are the two sources of electricity on the atoll of utrik that are not based on fossil fuels?
February 4, 2015

math
Caitlyn bought a helium tank to fill spherical balloons for a party. If the diameter of the filled balloons are 14.4 inches, how much helium would be needed in each balloon?
February 4, 2015

science
an object was placed into a container of water. the arrow shows that thermal energy is flowing from the water to the object. what is a valid conclusion
February 4, 2015

Science
1)What is the relationship between inertia and mass? 2)Jellyfish sometimes squeeze in the side of their bodies.This pushes a stream of water from the back end of their bodies,according to newtons third law of motion,How will this behavior affect the movement of the jelly fish...
February 4, 2015

physics
3369800
February 4, 2015

Chemistry
If a temperature increase from 11.0∘C to 22.0∘C doubles the rate constant for a reaction, what is the value of the activation barrier for the reaction?
February 4, 2015

math
x,y
February 4, 2015

math
which variable is usually associated with the concept of output
February 4, 2015

Math
whats the standard form of a linear equation?
February 4, 2015

Social studies
I read it some more is it A
February 4, 2015

Social studies
Which of the following increased south Carolina's desire to secede from the union? A.John Brown's raid on Harpers Ferry B.Brooks' response to summer's speech C.the proslavery constitution submitted by Kansas*** D.the decline of the Whig party
February 4, 2015

Maths
Solve the following simultaneous equation by substitution method 5x+y=35 & 3x-2y=14
February 4, 2015

Social studies
Why did South Carolinians support the concept of popular sovereignty? A.it advanced the plantation system in Kansas B.it allowed slaves to be taken into any territory** C.it showed that compromise was a peaceful way to solve problems D.it was a plan introduced by a southerner...
February 4, 2015

Trigonometry
point A and B are 100m apart and are of the same as the foot of a building. the angle of elevation of the top of the building from point A an B are 21 degrees and 32 degree respectively. how far is A from the building
February 4, 2015

Social Studies
B?
February 4, 2015

physics
2000
February 4, 2015

English
The first X games featured biking and skateboarding.
February 4, 2015

math
For what value of n, are the nth terms of two APs: 63,65,67,...and3,10,17,...equal?
February 4, 2015

Math
What does vitally mean?
February 3, 2015

math
Find a number b such that f∘g=g∘f, where f(x)=3x+4 and g(x)=bx−4. b=
February 3, 2015

math
Suppose you are exchanging currency in the London airport. The currency exchange service there only makes transactions in which one of the two currencies is British pounds, but you want to exchange dollars for Euros. Thus you first need to exchange dollars for British pounds...
February 3, 2015

physics Electric force
session.masteringphysics. com/problemAsset/1256632/2/RW-20-43.jpg In the figure take q1 = 69μC , q2 = -30μC , and q3 = 16μC. Find the electric force on q3. Fx, Fy = N . How do I solve this problem?
February 3, 2015

Physics electric field
A -1.5μC charge experiences a 10i^−N electric force in a certain electric field. What force would a proton experience in the same field? My answer of Fx= 4.17 *10^-13 N is wrong. What am I doing wrong? How do I get the correct answer?
February 3, 2015

Physics Field Strength
An electron experiences an electric force of 0.75 nN. What's the field strength at its location? E= N/C How do I solve this problem?
February 3, 2015

Physics Coulombs Law
A proton is at the origin and an electron is at the point x = 0.45nm , y = 0.38nm . Find the electric force on the proton. Fx , Fy = N How do I go about solving these 2 problems?
February 3, 2015

math
You have 15 pennies in your pocket, 3 are Canadian. You pick aenny out of your pocket at random. FInd p (not Canadian)
February 3, 2015

history
Because it's warm?
February 3, 2015

history
...
February 3, 2015

math
If A Bicycle Wheel Has A Diameter Of 27 Inches, Find The Radian Measure Of The Angle Through Which The Wheel Turns As The Bicycle Travels A Distance Of 1 Mile
February 3, 2015

History
What we're professional baseball clubs forced to do in world war 2
February 3, 2015

math
a bean plant grows 15% of its height each day, after 10 days the bean plant is 27 inches tall. how tall was it yesterday?
February 3, 2015

spell
Circle:sphere A link:Chain B length:breadth C triángle:rectangle D Suárez:cube
February 3, 2015

Math
5000000
February 3, 2015

Math
A 30-second commercial during this year’s Super Bowl costs $4.5 million. B) Doritos is running 2 thirty-second commercials. A 16-ounce party-size bag of Doritos costs $3.98. If after paying the production costs of making and packaging this snack the company earns $1.80 ...
February 3, 2015

math
thank you very much
February 3, 2015

math
so the answer is 1130
February 3, 2015

math
do you do 323+ h=1453
February 3, 2015

math
or x-323=1453
February 3, 2015

math
or x-323=1453
February 3, 2015

math
1453= x-323
February 3, 2015

math
thank you mrs.sue and i'm sorry about the name.
February 3, 2015

math
72 beats a minute.
February 3, 2015

math
so it beats 720 beats in a minute?
February 3, 2015

algebra
Zimak bought 3 xylobars and 5 yackities from the Intergalactic Candy Store for $1.75. Jeejuju paid $1.88 and got 4 xylobars and 1 yackity. How much would Dado pay for 1 xylobar and 2 yackities?
February 3, 2015

Math - Answer Check
Determine whether the polygons are similar. ABCD with vertices A(–5, 4), B(–2, 4), C(–2, 2), D(–5, 2) and EFGH with vertices E(–2, 0), F(4, 0), G(4, –6), H(–2, –6) They aren't similar, right?
February 3, 2015

algebra
factorize: 2a(2a-b) + (2a-b)-8
February 3, 2015

physics/Math
Buffy the Vampire Slayer is buffing up her 0.53 meter long arms by bench pressing. In 31 seconds she can lift 39 kilograms of mass 22 times. How powerful are Buffy's arms?
February 3, 2015

algebra
if f(x)=2x+1 then f(-2)=
February 3, 2015

Physics/Math
9
February 3, 2015

maths
Three girls, Ishita Isha and Nisha are plyaing a game by standing on a circle of radius 20 m drawan in a park. Ishita throws a ball to Isha Isha to Nisha and Nisha to Ishita. if the distance between Ishita and Isha and between Isha and Nisha is 24 m each what is the distance ...
February 2, 2015

Math - Answer Check
Yes, but a proof explaining the translation and scale factor is expected in my quiz. So would the answer be correct in this case?
February 2, 2015

Math - Answer Check
Prove that circle A with center (–1, 1) and radius 1 is similar to circle B with center (–3, 2) and radius 2. From A to B: (x - 2, y + 1), scale factor 2?
February 2, 2015

calculus
Find the x-coordinates where f '(x) = 0 for f(x) = 2x + sin(2x) in the interval [0, 2π].
February 2, 2015

calculus
A particle moves on a line away from its initial position so that after t hours it is s = 6t^2 + 2t miles from its initial position. Find the average velocity of the particle over the interval [1, 4]. Include units in your answer.
February 2, 2015

Physics
A 45.0 g arrow moving North at 134 m/s strikes a 1.50 kg bale of straw initially at rest. The arrow passes through the bale, leaving at 78.0 m/s. What is the velocity of the bale when the arrow leaves?
February 2, 2015

Math
They're not similar according to my calculations. Is this right?
February 2, 2015

Math
Determine whether the polygons are similar. ABCD with vertices A(–5, 4), B(–2, 4), C(–2, 2), D(–5, 2) and EFGH with vertices E(–2, 0), F(4, 0), G(4, –6), H(–2, –6)
February 2, 2015

chemistry
After you carefully lower each cube into the water of its own cylinder, what will the new water level be in the cylinder with the lead cube?
February 2, 2015

Science
omg sorry! I asked the same question on both the second question is 2. which of the following body systems work together to supple nutrients or oxygen and remove waste? . A. circulatory, digestive, integumentary, skeletal B. circulatory, digestive, respiratory, urinary C. ...
February 2, 2015

Science
I mean I think the first ones D and the second question is C
February 2, 2015

Science
Which of the following are structures that rely on capillaries for exchange or movement of small molecules? A. teeth, aorta, ureter B. cartilage, epidermis, larynx C. nephron, villi, alveoli D. leukocytes, atrium, bronchi Which of the following are structures that rely on ...
February 2, 2015

Science
1. Suppose a patient comes in to see a physician. This patient lacks the ability to keep warm and needs to wear heavy clothing even during mild temperatures. Which system of this patient’s body should the physician be concerned about? A. integumentary B. Skeletal C. ...
February 2, 2015

chemistry
what does copper look like under normal condition(solid,liquid,gas,color,etc)
February 2, 2015

maths..g.p
Find the sum of all numbers between 5 and 130 which are divisible by four
February 2, 2015

maths..g.p
The sum of the positive odd integers less than 50
February 2, 2015

Math
Price of the item after a 23% increase with sales tax Price is $129.00 Sales Tax is 5.75% Ms. Sue can you help me answer this question?
February 2, 2015

acceleration
Col. John Stapp led the U .S . Air Force Aero Medical Laboratory's research into the effects of higher accelerations. On Stapp's final sled run, the sled reached a speed of 284.4 m/s (632 mi/h ) and then stopped with the aid of water brakes in 1.4 s . Stapp was barely ...
February 2, 2015

geography
why did tge northeuropen plain develope into a densly populated industrial center
February 2, 2015

maths help please
thanks reiny I got all of those correct thanks alot
February 2, 2015

oragnic chemistry
convert the measurement 92.0g into pounds (1lb=453.6g)
February 2, 2015

chemistry
A chemist used 500g of glucose(c6H12o6)in a preparation of a drug in the laboratory how many moles was used?
February 2, 2015

Science
What physical features are caused by plate tectonics?
February 2, 2015

Chemistry
smaller
February 2, 2015

science
10m = 0.5(9.8m/s^2)t^2 0.5*9.8=
February 2, 2015

maths please help
Thanks damon but I don't understand what did you on number 3???
February 2, 2015

maths please help
Thanks damon
February 2, 2015

physics
f
February 2, 2015

Criminal Law
I do not want anyone writing my paper for me? usually when I post questions, someone replies with a site that i could visit to help me out a little bit. I enjoy the extra bit of advice that I can recieve. And I was not aware that no one has a background in law. I think that ...
February 1, 2015

Criminal Law
Summarize all of the steps between arrest, pre-trial, trial, and appeals (both state and federal appeal possibilities). Explain the contingencies for each stage of the proceedings and address all possible outcomes. Analyze how constitutional protections for the defendant work ...
February 1, 2015

Physics
A batter hits a baseball so that it leaves the bat with initial speed of 40 m/s, at an angle of 60°. Tom Brady throws an incomplete pass at an initial speed of ~ 60 miles/hour (mph). When the ball was released, it’s initial velocity made an angle of ~45° with ...
February 1, 2015

L.A.
Okay. Thank you
February 1, 2015

L.A.
To which sense do the following lines from "Grandma Ling" appeal? and there I faced my five foot height, sturdy legs and feet square forehead, high cheeks, and wide-set eyes A. hearing B.taste C. sight D. smell 2. which word best describes the tone of the following ...
February 1, 2015

algebra
Assume that the growth of the membership of a country club was linear from 1996 to 2000 with a membership of 214 in 1996 and a rate of growth of 730 per year. write an equation for the membership P of this country club as a function of the member of years x after 1996
February 1, 2015

Chemistry
The age of wine can be determined by measuring the trace amount of radioactive tritium, 3H, present in a sample. Tritium is formed from hydrogen in water vapor in the upper atmosphere by cosmic bombardment, so all naturally ocurring water contains a small amount of this ...
February 1, 2015

Precal
Is y=-2 x 5^x a monomial function?
February 1, 2015

Math
A hardware store will deliver up to 6 items for a $25 delivery charge. There is a charge of $4 for each additional item to be delivered. a. Write a piecewise function for the cost of having x items delivered. b. What is the charge to have 14 items delivered?
February 1, 2015

Algebra
x+y=57 22x+10y=774 -10(x+y=57 -10x-10y=-570 22x+10y=774 -------------- 12x=204 --- --- 12 12 x=17 57-17= 40 40 children went on the cruise?
February 1, 2015

Algebra
The Manhattan Island cruise Company sold 57 tickets for its Circle-the -Island Cruise. Each adult had to pay $22 for the cruise and each child had to pay $10. If the company's total receipts were $774. How many children went on the cruise?
February 1, 2015

Algebra
thank u!!!!!!
February 1, 2015

Algebra
i think i have to make a table? x/y 6/18 3/9 1/6 the larger number is y so is the larger number 18?
February 1, 2015

Algebra
The difference of two numbers is 12. The sum of the larger number and 3 times the smaller number is 20. Find the larger number.
February 1, 2015

Chemistry
Can someone please help me solve this problem? Calculate the solubility of Ba3(PO4)2 in water. For Ba3(PO4)2, Ksp = 1.3 x 10- 29 Thank you!
February 1, 2015

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