x
Popular questions and responses by x
Physics
Four equal +6.00μC point charges are placed at the corners of a square 2.00 m on each side. ( = 1/4π = 8.99 × 109 N · m2/C2) (a) What is the electric potential (relative to infinity) due to these charges at the center of this square?
asked on May 27, 2013 
Chemistry
Propane gas (C3H8) burns completely in the presence of oxygen gas (O2) to yield carbon dioxide gas (CO2) and water vapor (H2O). Write a balanced equation for this reaction. Assuming that all volume measurements occur at the same temperature and pressure,
asked on February 20, 2015 
ENGLISH
I want to either study or to work abroad after I graduate.
asked on January 26, 2015 
trigonometry
Given: ∆ABC, m∠A = 35° Circle k(O, r=3) O∈ AB Find: Perimeter of ∆ABC
asked on September 28, 2019 
Math
How might you use a perpendicular bisector or an angle bisector in your everyday life? And why might the orthocenter be the hardest part of the triangle to identify and use for some people?
asked on December 19, 2018 
AP World History
1) Which best describes Ottoman culture? importation of eastern Asian philosophies and art immersion of Arabic religious art and literature lavish architecture in city buildings and mosques infusion of western European modern art and music I know that it
asked on February 25, 2018 
english
The racehorse Boundless was not only fast but also a beauty.
asked on January 21, 2015 
math
Which situation can be modeled by the equation y = mx + b? Select one: a. The volume (y) of a cylindrical tank with a height of 2 feet depends on the radius (x) of the tank. b. The total income (y) of a worker who earns 8 dollars per hour depends on the
asked on January 6, 2020 
Chemistry
How much heat (energy) is required to convert 18.0 g (1.00 mole) of ice at 5.00oC to steam at a temperature 111oC? (6)
asked on September 9, 2019 
Chemistry
Number and arrangement of the electron pairs around: a. C in CCl4 b. S in H2S c. Al in AlH3 d. Ga in GaCl3
asked on February 3, 2008 
algebra 1
Q: A rectangle has a length of 9.00 inches and a width of 4.25 inches. What is the area in square inches? Round to the correct significant digits. I put 38.25 the first time but it said it was wrong. would it be 38 instead??
asked on August 23, 2018 
Math
Jason's Fahrenheit thermometer was broken. He wanted to know whether he should put shorts on or a winter coat. He had a Celsius thermometer and it read 30 degrees Celsius. What was the temperature in Fahrenheit? (Use Fahrenheit = 9/5 C+32) A. 86 degrees
asked on October 16, 2017 
Algebra
1. The length of a rectangle is twice its width. The perimeter of the rectangle is 24 inches. Write a system of equations in 2 variables. Use substitution to solve the problem. A. Equation 1: L = 2W L= 2(4) = 8 Equation 2: 2L + 2W = 24 2(2W) + 2W = 24 6W =
asked on June 4, 2017 
maths
Carlos is laying concrete to make the floors of two rooms. The dimensions of the rooms are shown below. He needs to use 0.1m3 of concrete to make 1m2 of floor. The concrete will cost £65 per m3. How much will it cost to buy enough concrete for the floors?
asked on July 13, 2016 
CHEMISTRY
When 10.8 g of Silver was reacted with Sulfur, 12.4 grams of product was produced (there was only one product). What is the empirical formula of the product?
asked on October 30, 2014 
chemistry
Which of the following is true? A. HF does not ionize in water to any extent. B. All are true C. HF ionizes equally in a solution of KCl as in pure water. D. HF ionizes more in a solution of NaF than in pure water.
asked on April 1, 2020 
American history
What was the first duty of the Freedmen's Bureau? Select one: a. help freed slaves find employment b. to provide relief to those were displaced c. to establish schools d. to solve disputes between employers
asked on January 13, 2020 
Law
1. Which is NOT considered a source of information included in a police report? Testimony of witnesses to the crime Opinion of the reporting officer** Evidence found at the crime scene Testimony of an informant 2. The "leap frog" method is an intermittent
asked on December 27, 2018 
Social Studies
How did some American politicians justify U.S. imperialism at the end of the 19th century?
asked on November 20, 2018 
History
Which was not a critical event during the late stages of the Cold War from 1968 to 1991? breakup of the Soviet Union into Commonwealth of Independent States invasion of Czechoslovakia by Soviet troops to crush Prague Spring launch of Truman Doctrine in
asked on February 25, 2018 
ENGLISH
Either you can eat or talk, but you can't do both at the same time.
asked on February 5, 2015 
ENGLISH
According to some economists, neither high unemployment nor large deficits will keep the economy from rebounding.
asked on February 5, 2015 
english
Lots of my friends think that Prince's music is old, but I think it's not only excellent but also an innovation.
asked on January 23, 2015 
english
The road home is both icy and curvy, so be careful!
asked on January 23, 2015 
MATH
UNSCRAMBLE 25 LETTERS TO MAKE 8 WORDS THAT ANSWER THE QUESTION WHAT'S WRONG WITH GETTING A HAIRCUT? LETTERS: H I T I S B E T E R T O G E T T S E M L O C R E T
asked on February 21, 2013 
Math
The linear equation that models the charges a cab company applies to its customers is C=$2m+$3, where C is the cost of the cab ride, and m is the number of miles for the ride. If Jenny hails a cab and travels 22 miles from the airport to her home, how much
asked on January 6, 2020 
math
Given the curve of C defined by the equation x^2  2xy +y^4 =4. 1) Find the derivative dy/dx of the curve C by implicit differentiation at the point P= (1,1). 2) Find a line through the origin that meets the curve perpendicularly.
asked on October 22, 2019 
Chemistry  equm acid base
Calculate [H3O+] 0.100 M NaNO2 and 5.00×10−2 M HNO2 so there's no Ka value for NaNO2, it can be ignored 5.6x10^4 = x^2 / 5.00x10^2 x = 5.3x10^3 the answer is incorrect why? Thanks
asked on March 8, 2018 
Math
After solve a function I get these X>_1(greater than equal to) X>_3 & X>_2?what will be it's domain?
asked on July 14, 2016 
ENGLISH
I am both a quick worker and careful.
asked on February 5, 2015 
english
Lots of my friends think that Prince's music is old, but I think it's not only excellent but also an innovation.
asked on February 3, 2015 
english
The space shuttle was both a marvel and huge.
asked on February 2, 2015 
ENGLISH
Fire can be either friendly or a foe, depending on the situation.
asked on January 26, 2015 
ENGLISH
Either you can eat or talk, but you can't do both at the same time.
asked on January 26, 2015 
statistica
What is the range of the values 2.0, 3.7, 4.9, 5.0, 5.7, 6.7, 8.5, and 9.0?
asked on May 10, 2013 
physic
Assuming uniform density, how much would 1.1 cubic centimeters of neutron star material weigh on the surface of the earth? You need the density of the neutron star to do this. weight= mass*g=density*volume*g
asked on May 23, 2007 
Business
Bottle Rocket believes that to get its employees to live the values, it's best to _________
asked on March 9, 2020 
American history
Which statement most accurately describes each side's main strategy at the start of the Civil War? Select one: a. The South planned to invade the North; the North planned to stop this invasion in the border states. b. The North planned to isolate the South
asked on January 9, 2020 
American history
(fill in the blank) is the tactic of battle that General William Tecumseh Sherman used to advanced toward Atlanta, burning down crops, homes and towns along the way.
asked on January 9, 2020 
American history
Which victory for the Confederates convinced General Lee to march into the North to try to begin a campaign in the North to work towards ending the war? Select one: a. Gettysburg b. Chancellorsville c. Vicksburg d. Shiloh I think B. but idk
asked on January 7, 2020 
Math
In 2025, a new social media site decides to focus only on negative feedback to identify possible predators or people to avoid. It allows users to flag other users who say or do something inappropriate. Each user starts with a rating of 500 and loses 10
asked on January 7, 2020 
math
Which situation can be modeled by the equation y = mx + b? Select one: a. The volume (y) of a cylindrical tank with a height of 2 feet depends on the radius (x) of the tank. b. The total income (y) of a worker who earns 8 dollars per hour depends on the
asked on January 6, 2020 
math
For the function f(x) =xe^(x^2 x)/2 1) Determine the linearization L(x) of f(x) at x=1. 2) Use the linearization of f(x) at x=1 to estimate the value of f(1.2).
asked on October 22, 2019 
math
Given the parametric curve x= sin(2t) and y=2 sin(t)+ sin(2t) 1) Calculate the slope of the tangent line at any value of t. 2) Find the tangent line at t= (1/2)(Pi).
asked on October 22, 2019 
math
Why is the statement false? If x=f^1 (y) (meaning y= f(x)), then (dy/dx) = (f(y))^2 f '(y)
asked on October 22, 2019 
math
Find the parabola of the form y=ax^2 +bx that shares a tangent line with the function y= (2x)/(x^2 +1) when x=1. Solve and show all steps.
asked on October 21, 2019 
math
Each of the following statements is false. Provide why the statement is false. 1) Every function that is continuous at x=a is differentiable at x=a. 2) The tangent line to y=f(x) when x=x0 is given by y=fprime(x0)x+f(x0). 3) The linerization of a function
asked on October 21, 2019 
Chemistry
What is the volume of a gas at 253 K if the gas occupies 50.0 mL at a temperature of 273 K
asked on September 23, 2019 
math
We are given a biased coin, where the (random) bias Θ is uniformly distributed on [0,1] . We toss this coin, until we see Heads for the first time. Our goal is to estimate Θ using our observation. Find the LMS estimator ΘˆLMS for Θ . Your answer
asked on September 3, 2019 
math, probability
We observe a Poisson process with unknown rate. The rate λ of the Poisson process is either 2 or 4, with equal probability, and the actual value is not known. We observe the process over the time interval [0,3] and observe exactly 9 arrivals. Given this
asked on September 3, 2019 
probability
A red light bulb has been flashing forever, according to a Poisson process with rate r . Similarly, a blue bulb has been flashing forever, , according to an independent Poisson process with rate b . Let us fix t to be 12 o'clock. What is the expected
asked on September 3, 2019 
Social Studies
what struggles did jane addams go through?
asked on February 11, 2019 
Science
Could someone carry a gene without having it? Then pass it on to the next generation?
asked on December 21, 2018 
Social Studies
Why is diplomacy a key part of U.S. foreign policy? I can't figure this out.
asked on March 16, 2018 
maths
If sin theta is 8÷17;cos beta is 9÷41 where theta is obtuse and beta is acute. Find sin(theta + beta)
asked on August 15, 2017 
Math
The equation of line joining the point (3,5) to the point of intersection of the lines {4x+y1=0} and {7x3y35=0} is :
asked on December 18, 2016 
ENGLISH
I want to either study or to work abroad after I graduate.
asked on February 5, 2015 
ENGLISH
The space shuttle was both a marvel and huge.
asked on February 5, 2015 
ENGLISH
My sister Aliah is both a comic and smart.
asked on February 5, 2015 
ENGLISH
I expect a friend to be both honest and a loyal person.
asked on February 5, 2015 
ENGLISH
You should do either your homework or practice your clarinet.
asked on February 5, 2015 
ENGLISH
Either you're with us or against us.
asked on February 5, 2015 
english
The racehorse Boundless was not only fast but also beautiful.
asked on February 2, 2015 
ENGLISH
I am both a quick worker and careful.
asked on January 26, 2015 
ENGLISH
I expect a friend to be both honest and a loyal person.
asked on January 26, 2015 
ENGLISH
My sister Aliah is both a comic and smart.
asked on January 26, 2015 
stats
the weights of the fish in a certain lake are normally distributed with a mean of 17 lb and a standard deviation of 12. if 16 fish are randomly selected, what is the probability that the mean weight will be between 14.6 and 20.6 lb?
asked on January 26, 2015 
english
I want to either study or to work abroad after I graduate.
asked on January 23, 2015 
english
I want to either study or to work abroad after I graduate.
asked on January 22, 2015 
english
Either you're with us or against us.
asked on January 21, 2015 
Chemistry
Calculate the volume of concentrated reagent required to prepare the diluted solution 17 M H3PO4 to prepare 939 mL of 6.7 M H3PO4
asked on November 22, 2014 
Honors Physics
Give some examples of applications that resulted from work done by physicists. The answers I have are: computers, electricity, cars, and television. Are these acceptable?
asked on August 24, 2014 
Honors Physics
Give some examples of applications that have resulted from work done by physicists on the exploration of space.
asked on August 24, 2014 
Honors Physics
Give some examples of applications that resulted from work done by physicists. The answers I have are: computers, electricity, cars, and television. Are these acceptable?
asked on August 24, 2014 
social studies
My homework from the board says "Finish color illustration for Gilgamesh" but I don't know what that means.(If someone can answer me before *8:00 am I would be very grateful.) What am I supposed to do?
asked on December 10, 2013 
trig
A hiker walks 900m east and 500m south .Find the bearing of the finishing position from the staring point?
asked on May 25, 2013 
math
Application Giovanni is flying his Cessna airplane on a heading as shown. His instrument panel shows an air speed of 130 mi/h. (Air speed is the speed in still air without wind.) However, there is a 20 mi/h crosswind. What is the resulting speed of the
asked on March 8, 2013 
physics
An electron is projected, with an initial speed of vi=1.38e+05 m/sec, directly towards a proton that is essentially at rest. If the electron is initially a great distance from the proton, at what distance from the proton is its speed instantaneously equal
asked on March 4, 2013 
math
A trapezoid has an area of one and a perimeter of five. If this pattern continues, what is the perimeter of a large trapezoid with an area of 96
asked on February 21, 2013 
physics
You step into an elevator holding a glass of water filled to a depth of 7.0 cm. After a moment, the elevator moves upward with constant acceleration, increasing its speed from 0 to 2.8 m/s in 3.8 s.
asked on November 23, 2011 
chemistry
so we did a chemistry lab to find the relationship between temperature and volume or charle's law. In the experiment, i got t1v1=372K, 267.2 cm^3 t2v2=277K,169.1 cm^3 so i graphed that THen they told us to chose 2 other points from that line, TaVa and TbVb
asked on May 5, 2011 
math
Two angles of the triangle have given measures. Find the measure of the third angle x degrees, 120 degrees minus x degrees
asked on April 13, 2011 
algebra
6xy=4 2x+2y=15 Solve for y
asked on December 9, 2010 
Algebra
A piggy bank contains only nickels and dimes. In all there are 42 coins with a total value of $3.85. How many nickels are in the piggy bank?
asked on August 4, 2010 
Math
What are names for shapes of curves?
asked on February 22, 2008 
Chemistry
What does the point at which your curve crosses the horizontal axis represent?
asked on February 16, 2008 
Math
For graphs what does a direct, inverse, linear and power relationships mean?
asked on February 16, 2008 
U.S. History
What would be an example of scientific management today?
asked on February 4, 2008 
Chemistry
Number and arrangement of the electron pairs around: a. C in CCl4 b. S in H2S c. Al in AlH3 d. Ga in GaCl3
asked on February 3, 2008 
Algebra II
Factor: 125x^3  27 = 0
asked on January 29, 2008 
Algebra II
A feasible region has vertices at (3,2),(4,1),(2,6) and (1,2). Find the maximum an minimum values of the function f(x,y)=4xy
asked on October 28, 2007 
Math
what is a significant digit
asked on September 11, 2007 
physic
Neutron stars are extremely dense objects with a mass comparable to the mass of the sun but a radius of only several thousand meters. Consider a neutron star of mass M = 1.99e+030 kg and a radius of R = 10 km. g = 1.3279e12 m/s Assuming uniform density,
asked on May 23, 2007

Social studies
No, it's B. Coastal erosion
posted on May 29, 2020 
La
It's BBA. Thnx.
posted on April 17, 2020 
Social studies PLEASE HELP!
Thanks.
posted on April 15, 2020 
History
This helped me a lot, thank you.
posted on April 8, 2020 
Science
Anon, I hope your right. If you are not, I'm a hacker so I'll find you.
posted on April 7, 2020 
Science
Please tell me which ones are correct.
posted on April 7, 2020 
Science
Which ones are for connexus? I already answered, but I need to check them.
posted on April 7, 2020