<3

Most popular questions and responses by <3
1. Language Arts

Write a short essay in which you examine the figurative language in “Concrete Mixers.” Explain what the concrete mixers are compared to, what the parts of the mixers are compared to, and what the drivers of the mixers are compared to. Then, show how

2. General Chemistry

When a solution of nickel (II) chloride is mixed with a stoichiometric amount of colorless sodium hydroxide solution, a green, gelatinous precipitate forms. (a) Write the balanced molecular equation and the net-ionic equation for this reaction. molecular:

3. Physics

A pot of water is boiling under one atmosphere of pressure. Assume that heat enters the pot only through its bottom, which is copper and rests on a heating element. In two minutes, the mass of water boiled away is m = 2.5 kg. The radius of the pot bottom

4. Math (:

My answer doesn't make sense. It's too big. A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window with a

5. Physics

A map suggests that Atlanta is 730 miles in a direction 5.00° north of east from Dallas. The same map shows that Chicago is 560 miles in a direction 21.0° west of north from Atlanta. The figure below shows the location of these three cities. Modeling the

6. General Chemistry

The enthalpy of vaporization of benzene liquid is 33.9 kJ/mol at 298 K. How many liters of benzene gas, measured at 298 K and 95.1 mmHg, are formed when 1.54 kJ of heat is absorbed by benzene liquid at a constant temperature of 298 K? I think we use the

7. Calculus

The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 4 mg. What was the initial mass (in mg) of the sample? What is the mass 5 weeks after the start?

8. Physics

A 8.78 -m ladder with a mass of 23.8 kg lies flat on the ground. A painter grabs the top end of the ladder and pulls straight upward with a force of 236 N. At the instant the top of the ladder leaves the ground, the ladder experiences an angular

9. social studies

Which of the following economic changes did the Soviets make to Russia? A. collectivizing farms and industrializing B. eliminating poverty and shortages C. allowing serfs to own their own land * D. reducing government control of the economy

10. History

1.How did New England's textile industry affect both children and women? (5 points) ⦁ It allowed them to earn a living wage until the age of 25. ⦁ It gave them opportunities not available on family farms. ⦁ It permitted them to complete their

11. General Chemistry

Write the competing equilibrium that will occur when a strong acid is added to the following equilibrium: Ca (aq) + C2O4 (aq) -> CaC2O4 (s)

12. General Chemistry

A 0.484 g sample of impure NH4Br is treated with 25.00 mL of 0.2050 M NaOH & heated to drive off the NH3. The unreacted NaOH in the reaction mixture after heating required 9.95 mL of 0.0525 M H2C2O4 to neutralize. How many grams of NH4Br were in the

13. Chemistry

Monosodium glutamate (MSG), a food-flavor enhancer, has been blamed for “Chinese Restaurant Syndrome,” the symptoms of which are headaches & chest pains. MSG has the following composition by mass: 35.51 percent C, 4.77 percent H, 37.85 percent O, 8.29

14. Physics

A small mailbag is released from a helicopter that is descending steadily at 2.36 m/s. (a) After 5.00 s, what is the speed of the mailbag? (b) How far is it below the helicopter? (c) What are your answers to parts (a) and (b) if the helicopter is rising

15. Calculus

Evaluate the indefinite integral. (5dx)/(xln(2x))

16. science

describe what happens when a nucleus is stabilized by emitting positrons

17. Math!

A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.4 cm/min. At what rate is the volume of the snowball decreasing when the diameter is 10 cm. (Note the answer is a positive number).

18. Math!

At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship B is sailing north at 16 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per

19. Physics

A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are d1 = 3.96 m to the north, d2 = 2.06 m northeast, and d3 = 1.13 m at 30.0° west of south (see the figure). Starting at the same initial point,

20. Physics

A closed box is filled with dry ice at a temperature of -81.5 C, while the outside temperature is 27.4 C. The box is cubical, measuring 0.307 m on a side, and the thickness of the walls is 4.47 × 10-2 m. In one day, 3.37 × 106 J of heat is conducted

21. Calculus

A car drives down a road in such a way that its velocity (in m/s) at time t (seconds) is v(t)=3(t^(1/2))+4. Find the car's average velocity (in m/s) between t=4 and t=6.

22. Statistics

An ESP experiment is conducted by a psychologist. For part of the experiment, the psychologist takes 10 cards numbered 1-10 and shuffles them. Then she looks at the cards one at a time. While she looks at each card, the subject writes down the number he

23. Calculus

A car drives down a road in such a way that its velocity ( in m/s) at time t (seconds) is v(t)=3(t^(1/2))+4. Find the car's average velocity (in m/s) between t=4 and t=6.

24. Physics

A rocket is launched at an angle of 50.0° above the horizontal with an initial speed of 105 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 32.0 m/s2. At this time, its engines fail and the rocket proceeds to move

25. Language

Homophones can be used humorously in riddles.The answer to each of the riddles below is a homophone groaner! a) What type of sandals do frogs like?Open_____. b)What is called when your rabbit is depressed? A bad_______day. c) What is the most important

26. Math (:

The altitude of a triangle is increasing at a rate of 2.500 centimeters/minute while the area of the triangle is increasing at a rate of 1.500 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 10.500

27. Physics

A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 20.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a

28. General Chemistry

Calculate the pH and include the balanced equation for the acid dissociation reaction. 0.20 M HC3H5O2 (propionic acid, Ka = 1.3 x 10^-5)

29. Physics

One end of a cord is fixed and a small 0.270-kg object is attached to the other end, where it swings in a section of a vertical circle of radius 2.50 m, as shown in the figure below. When θ = 18.0°, the speed of the object is 6.80 m/s. (a) At this

30. Chemistry

A 0.355 g sample of a solid, monoprotic acid having a molar mass of 121 g/mol requires 18.47 mL NaOH for neutralization. Calculate the molarity of the NaOH solution. I got 0.159 M NaOH

31. Physics

A model rocket is launched straight upward with an initial speed of 57.0 m/s. It accelerates with a constant upward acceleration of 1.50 m/s2 until its engines stop at an altitude of 190 m. (a) What is the maximum height reached by the rocket? (b) How long

32. Physics

A train is traveling down a straight track at 25 m/s when the engineer applies the brakes, resulting in an acceleration of −1.0 m/s2 as long as the train is in motion. How far does the train move during a 50 s time interval starting at the instant the

33. General Chemistry

H2 (g) + I2 (g) -> 2HI (g) What would happen to the amount of iodide present if hydrogen iodide is added? Removed? The volumeof the system is decreased? I got increase, decrease & same as my answer, but I don't completely understand it. Please help.

34. Calculus

The total area enclosed by the graphs of y=6(x^2)–(x^3)+x and y=(x^2)+7x is ..

35. Calculus

Evaluate the limit using L'Hospital's rule if necessary. lim as x goes to +infinity x^(6/x)

36. Physics

From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle of 23.0° below the horizontal. It strikes the ground 6.00 s later. Initial velocity components: vx = 8.65 m/s vy = -3.67 m/s

37. Economics

Slim city is a town resided by slim people, with no health club in town. LA Fatness has estimated that the annual demand for their Fatness Club in this town to be Q = 160 - P. Every Club member has a marginal cost of \$40, and the annual fixed cost of the

38. Calculus

Evaluate the indefinite integral. (e^7x)/(e^14x+16)dx

39. maths

write an equation of the line that is parallel to the given line and passes through the given point. y=-4x-7, (5,-3) y=-2/3x+4, (-5,5)

40. [math]

How do I solve this equation algebraically? 1/2x + 2/3 = 1/8x - 3/2 Thank you.

41. Math!

Use the Midpoint Rule to approximate the integral from 2 to 7 S(–3x–7x^2)dx with n=3.

42. Math!

Consider the integral from 3 to 6 S(2x^2+4x+3)dx (a) Find the Riemann sum for this integral using right endpoints and n=3. (b) Find the Riemann sum for this same integral, using left endpoints and n=3.

43. Physics

A ball is thrown upward from the ground with an initial speed of 23.2 m/s; at the same instant, another ball is dropped from a building 20 m high. After how long will the balls be at the same height?

44. Physics

A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 2.0 m/s, skates by with the puck. After 2.00 s, the first player makes up his mind to chase his opponent. If he accelerates uniformly at 0.10

45. Language

The book says:" Add as many prefixes as u can to the word "form". Try to make at least 5 words.

46. math

(e^(e^x)) = 2 find x.

47. Calculus

Let f(x) = ln(((2x–5) / (7x+4))^(1/2)). f'(x) = ...

48. Calculus

Let f(x) = 3(x^6)lnx. f'(x)= ...

49. Calculus

Find the average value of the function on the given interval: f(x)=cos(16x), [0,pi/2] The answer I got is 1.

50. algebra

write an equation in slope-intercept form of the line that passes through the given points. a. (-6,1), (3,-7) b. (-2/3,4), (6, -1/3) write an equation in point-slope form of the line that passes through the given poitns. c. (-2,5), (4,-3) d. (1/2,-1),

51. Ethics

What is the familial convention for Puerto Ricans?

52. Physics

A ball is thrown upward from the ground with an initial speed of 23.2 m/s; at the same instant, another ball is dropped from a building 20 m high. After how long will the balls be at the same height?

53. Language

What is the longer form for this clipped word" caf "?Thank u

54. character traits

please name some character traits for a boy that believes in his pups, and waits to see what they do. He also is a little pushy.

55. Calculus

Evaluate the definite integral. xe^(–x^2)dx from 0 to 6

56. Calculus

From 2 to 3, integrate ((x^3)+5)dx/x.

57. Calculus

Let f(x) = ln(((2x–5) / (7x+4))^(1/2)). f'(x) = ... I keep on getting the wrong answer.

58. Calculus

Let f(x)=(x+7)/(x+5). inverse f-1(-3)=...

59. algebra (check plz)

write an equation in slope-intercept form of the line that passes through the given points. a. (-6,1), (3,-7) b. (-2/3,4), (6, -1/3) write an equation in point-slope form of the line that passes through the given poitns. c. (-2,5), (4,-3) d. (1/2,-1),

1. ss

I need help too

posted on May 17, 2019
2. Science!!!

As of April 22nd, 2019 Nikka Kiss's answers are correct! (Connexus Students) (Lesson 8: The Expanding Universe Science 8B Unit 3: Our Solar System) 1. C (They become dimmer at regular intervals.) 2. A (Elliptical galaxies have almost no gas or dust between

posted on April 23, 2019
3. Social Studies

Thank you!

posted on March 4, 2019
4. Maths

yeah , how did u get 14.4 , and ye got this question on maths watch

posted on November 29, 2018
5. Social studies

Same...

posted on November 1, 2018
6. Science

Is Jazzzmin right?

posted on September 17, 2018
7. Math (help)

all the people on bottom are right trust me

posted on May 16, 2018
8. Science

Audrey is right thx

posted on September 5, 2017
9. english 4

-Water being plentiful, the lawns were green all summer. -Hurricane season being over, people returned to the cottages on the beach. -With the waves washing away much of the cliff, the house was in danger. -The town held a festival because harvesting had

posted on October 27, 2016
10. Language Arts

Can someone delete my post please

posted on April 6, 2016
11. Language Arts

Okay so I to go right

posted on April 6, 2016
12. Language Arts

Would it be Concrete Mixers move like elephants,Bellow like elephants and spray blike elephants

posted on April 6, 2016
13. Language Arts

What do you mean by what are the parts of the mixer compared to

posted on April 6, 2016
14. Language Arts

@Reed @Ms. Sue

posted on April 6, 2016
15. Language Arts

So would the answer be: The drivers were compared to Indian riders of elephants called Mahouts. The concrete mixers were compared to elephants. The comparisons are alike because the driver and concrete mixer was compared to elephants and the Indian people

posted on April 6, 2016
16. Language Arts

Mahouts

posted on April 6, 2016
17. Language Arts

The drivers are compared to tough gray-skinned monsters. The concrete mixers are compared to elephants.

posted on April 6, 2016
18. Language Arts

No Ms. Sue I would like to know if you could explain it to me please

posted on April 6, 2016
19. Physics

It's actually 7.643 N for (a) and 18.5 m/s^2 for centripetal acceleration in (b). Please help with the 2nd part!

posted on October 21, 2013
20. Physics

I set the two position equations together and got 0.86 s as my time. Thanks!

posted on September 15, 2013
21. Physics

I got 192.6 meters as my max height, but I don't think that's right. We haven't learned KE and PE yet.

posted on September 12, 2013
22. Physics

I solved for time, did the quadratic & got 43.9 seconds. I used that to get a distance of 96.4 meters. The program said that they are both incorrect (might be due to significant figures) so I'm not sure where I went wrong.

posted on September 12, 2013
23. General Chemistry

If HBR was added, would water form? HBr (aq) + NaOH (aq) -> H2O (l) + NaBr (aq)

posted on July 20, 2013
24. General Chemistry

I don't really understand which is the mass of the sample.

posted on July 14, 2013
25. Physics

Thank you. Your answer is correct, but I get a different answer when I try to calculate that last equation myself. I must be in kelvin or something.

posted on April 23, 2013
26. Physics

With the ladder laying flat on the ground, the axis is on the left and it is being pulled upward on the right. But the center of gravity confuses me. I don't know how that comes into play. These topics are still new to me.

posted on March 17, 2013
27. Language

Thank you:))!!!!

posted on March 1, 2012
28. Language

Thank you:)!!!

posted on March 1, 2012
29. Language

Thank you for helping me:)

posted on January 20, 2012
30. Language

Thanks !!!!

posted on January 20, 2012
31. character traits

thanks!

posted on December 5, 2010
32. Calculus

That's what I got too, but it says that it's wrong.

posted on February 5, 2010
33. Calculus

f-1(-3) = (5-7(-3))/((-3)-1) = 26/-4 = -13/2 thanks!

posted on February 4, 2010
34. Chemistry

posted on January 29, 2010
35. Calculus

(38.7-32)/2=3.35 It's not the correct answer.

posted on January 28, 2010
36. Calculus

Yeah. Thanks. I found out that the limits are from 0 to 2 and 2 to 3.

posted on January 27, 2010
37. Calculus

I got that the first time, but I though something was wrong.

posted on January 27, 2010
38. chemistry

Hey how did you find the stand cell volutage of MnCl2 and KMNO4?

posted on December 3, 2009
39. acids and alkalis

Btw, UI starts clear - it is green at neutral :)

posted on December 1, 2009
40. algebra (check plz)

okay (: thanks again for your help!

posted on October 26, 2009