# x

Popular questions and responses by x
1. ## Physics

Four equal +6.00-μC 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?

2. ## 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,

3. ## ENGLISH

I want to either study or to work abroad after I graduate.

4. ## trigonometry

Given: ∆ABC, m∠A = 35° Circle k(O, r=3) O∈ AB Find: Perimeter of ∆ABC

5. ## 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?

6. ## 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

7. ## english

The racehorse Boundless was not only fast but also a beauty.

8. ## 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

9. ## 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)

10. ## 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

11. ## 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??

12. ## 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

13. ## 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 =

14. ## 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?

15. ## 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?

16. ## 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.

17. ## 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

18. ## 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

19. ## Social Studies

How did some American politicians justify U.S. imperialism at the end of the 19th century?

20. ## 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

21. ## ENGLISH

Either you can eat or talk, but you can't do both at the same time.

22. ## ENGLISH

According to some economists, neither high unemployment nor large deficits will keep the economy from rebounding.

23. ## english

Lots of my friends think that Prince's music is old, but I think it's not only excellent but also an innovation.

24. ## english

The road home is both icy and curvy, so be careful!

25. ## 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

26. ## 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

27. ## 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.

28. ## 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

29. ## Math

After solve a function I get these X>_-1(greater than equal to) X>_3 & X>_2?what will be it's domain?

30. ## ENGLISH

I am both a quick worker and careful.

31. ## english

Lots of my friends think that Prince's music is old, but I think it's not only excellent but also an innovation.

32. ## english

The space shuttle was both a marvel and huge.

33. ## ENGLISH

Fire can be either friendly or a foe, depending on the situation.

34. ## ENGLISH

Either you can eat or talk, but you can't do both at the same time.

35. ## 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?

36. ## 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

Bottle Rocket believes that to get its employees to live the values, it's best to _________

38. ## 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

39. ## 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.

40. ## 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

41. ## 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

42. ## 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

43. ## 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).

44. ## 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).

45. ## math

Why is the statement false? If x=f^-1 (y) (meaning y= f(x)), then (dy/dx) = -(f(y))^-2 f '(y)

46. ## 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.

47. ## 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

48. ## Chemistry

What is the volume of a gas at 253 K if the gas occupies 50.0 mL at a temperature of 273 K

49. ## 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

50. ## 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

51. ## 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

52. ## Social Studies

what struggles did jane addams go through?

53. ## Science

Could someone carry a gene without having it? Then pass it on to the next generation?

54. ## Social Studies

Why is diplomacy a key part of U.S. foreign policy? I can't figure this out.

55. ## maths

If sin theta is 8÷17;cos beta is 9÷41 where theta is obtuse and beta is acute. Find sin(theta + beta)

56. ## Math

The equation of line joining the point (3,5) to the point of intersection of the lines {4x+y-1=0} and {7x-3y-35=0} is :

57. ## ENGLISH

I want to either study or to work abroad after I graduate.

58. ## ENGLISH

The space shuttle was both a marvel and huge.

59. ## ENGLISH

My sister Aliah is both a comic and smart.

60. ## ENGLISH

I expect a friend to be both honest and a loyal person.

62. ## ENGLISH

Either you're with us or against us.

63. ## english

The racehorse Boundless was not only fast but also beautiful.

64. ## ENGLISH

I am both a quick worker and careful.

65. ## ENGLISH

I expect a friend to be both honest and a loyal person.

66. ## ENGLISH

My sister Aliah is both a comic and smart.

67. ## 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?

68. ## english

I want to either study or to work abroad after I graduate.

69. ## english

I want to either study or to work abroad after I graduate.

70. ## english

Either you're with us or against us.

71. ## 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

72. ## 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?

73. ## Honors Physics

Give some examples of applications that have resulted from work done by physicists on the exploration of space.

74. ## 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?

75. ## 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?

76. ## trig

A hiker walks 900m east and 500m south .Find the bearing of the finishing position from the staring point?

77. ## 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

78. ## 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

79. ## 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

80. ## 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.

81. ## 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

82. ## math

Two angles of the triangle have given measures. Find the measure of the third angle x degrees, 120 degrees minus x degrees

83. ## algebra

6x-y=-4 2x+2y=15 Solve for y

84. ## 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?

85. ## Math

What are names for shapes of curves?

86. ## Chemistry

What does the point at which your curve crosses the horizontal axis represent?

87. ## Math

For graphs what does a direct, inverse, linear and power relationships mean?

88. ## U.S. History

What would be an example of scientific management today?

89. ## 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

90. ## Algebra II

Factor: 125x^3 - 27 = 0

91. ## 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)=4x-y

92. ## Math

what is a significant digit

93. ## 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,

1. ## Social studies

No, it's B. Coastal erosion

posted on May 29, 2020
2. ## La

It's BBA. Thnx.

posted on April 17, 2020

Thanks.

posted on April 15, 2020
4. ## History

This helped me a lot, thank you.

posted on April 8, 2020
5. ## Science

Anon, I hope your right. If you are not, I'm a hacker so I'll find you.

posted on April 7, 2020
6. ## Science

Please tell me which ones are correct.

posted on April 7, 2020
7. ## Science

Which ones are for connexus? I already answered, but I need to check them.

posted on April 7, 2020