# sonya

Most popular questions and responses by sonya
1. ## Physics

A force of 800 N stretches a spring a distance 0.200 m horizontally. a) What is the potential energy of the spring when it is stretched 0.200m b) What is its potential energy when it is compressed 5.00cm This is a conservation of energy problems. The

2. ## math

Sue stacked one box onto another. The bottom box had the height of 2 1/3 feet and the top box had the height of 3 2/3 feet. How tall were the stacked boxes?

3. ## Chemistry

Calculate the concentration of IO3– in a 9.23 mM Pb(NO3)2 solution saturated with Pb(IO3)2. The Ksp of Pb(IO3)2 is 2.5 × 10-13. Assume that Pb(IO3)2 is a negligible source of Pb2 compared to Pb(NO3)2.

4. ## History

How did the Crimean War change life in Russia? a. Russia's defeat in the war sparked calls for political and social reform. ********* b. Russia's investment of wealth and the loss of lives in the war led to a crippling depression. c. Russia's proven

5. ## Social Studies

How did the Crimean War change life in Russia? a. Russia's defeat in the war sparked calls for political and social reform. ********* b. Russia's investment of wealth and the loss of lives in the war led to a crippling depression. c. Russia's proven

A college professor told her students, “The purpose of a management course is to teach students about management, not to teach them to be managers.” Do you agree or disagree with this statement? Why or Why not? Also, is efficiency and effectiveness

7. ## Physics

A horizontal pipe narrows from a diameter of 10 to 5 cm. For an incompressible fluid flowing from the larger diameter to the smaller: Question 5 options: 1.the velocity and pressure both increase. 2.the velocity increases and the pressure decreases. 3.the

8. ## Physics

A small block with a mass of m = 0.120 kg is attached to a cord passing through a hole in a frictionless, horizontal surface. The block is originally revolving at a distance of 0.40 m from the hole with a speed of 0.70 m/s. The cord is pulled from below,

9. ## math

Which two numbers have a product of 56 and a quotient of 14

10. ## Conceptual Physics

A paperback is 106mm in width. What is the width in centimeters? In meters? (I need to see this in steps)

11. ## CIS

Draw a flowchart or write pseudocode to represent the logic of a program that allows the user to enter a value. The program multiplies the value by 10 and outputs the result.

12. ## Statistics

A doctor want to estimate the HDL cholesterol of all 20- to 29- year old females. how many subjects are needed to estimate the HDL cholesterol within 3 points with 99% confindence assuming s=15.8 based on earlier studies?

13. ## Chemistry

Calculate the molarity of an aqueous NaOH soultion if 32.00ml of it is required to titrate. 0.6789 g of oxalic acid to phenolphthalein end point. The balanced chemical equation is H2C2O4 + 2NaOH-> Na2C2O4 + 2H2O

14. ## Chemistry

Determine [Zn2 ], [CN–], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.640. The Ksp for Zn(CN)2 is 3.0 × 10–16. The Ka for HCN is 6.2 × 10–10. I need to know what equations to use to find the answer not just how to get it

15. ## CIS/Visual Logic

Design an application that accepts 10 numbers and displays them in descending order. Us an array to store the numbers and Bubble Sort to sort the numbers.

16. ## chemsitry

you start with 150.0g of pentane and 500.0L of O2. how many grams of H2O will you make?

17. ## math

winnie has 7 trophies she wants to display in arrays. how many different arrays are possible? explain.

18. ## physics 3U

An arrow is accelerated for a displacement of 75cm [fwd] while it is on the bow. If the arrow leaves the bow at a velocity of 75m/s [fwd], what is the average acceleration while on the bow?

19. ## math

You fire your potato gun horizontally from shoulder height, which is 190 cm above the ground. The potato strikes the ground 30 m away from you. What was the initial speed of the potato?

20. ## Geometry

Jason designed an arch made of wrought iron for the top of a mall entrance. The 11 segments between the two concentric circles are each 1.25 m long. Find the total length of wrought iron used to make the structure. Round the answer to the nearest meter.

21. ## Chemistry

Determinne the amount of Dextrose and NaCl in 500ml of 5% DNS. (The solution is 5% in regards to dextrose and 0.9% in regards to NACl.)

22. ## Chemistry

calculate the theoretical yield (in grams) of the solid product, assuming that you use 1.0 g FeC2O4×2H2O and that oxygen is the excess reactant. FeC2O4×2H2O (s) + O2(g) ---> FeO(s) + H2O(g) + CO2(g) Its balanced equation is 2FeC2O4×2H2O (s) + O2(g)---->

23. ## chemistry

one piece of copper metal at 105 C has twice the mass of another copper piece at 45 C. What is the final temperature if these two pieces are placed in a calorimeter. Specific heat of copper is 0.387 J/g.K.

The cross-sectional area of the U-tube shown below is uniform and is equal to one square centimeter (1.00cm^2). One end is open to the atmosphere. Atmosphere pressure may be taken as P1=1.01 * 10^5 Pa. The other end of the U-tube is connected to a pipe in

25. ## chemistry HELP

Use the following information to identify element A and compound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a

26. ## AP Chem

The electron-domain geometry and molecular geometry of iodine trichloride are __________ and __________, respectively. The answer is trigonal bipyramidal, T-shaped, respectively- I do not understand the approach PLEASE EXPLAIN HOW YOU GOT THE ANSWER!!!

27. ## Algebra 2

What is the angular speed in radians per second of the hour hand of a clock? If the hand is 5cm long, how fast is the tip moving in millimeters per second?

28. ## chemistry

how many mL of 0.15 M NaOH solution are required to neutralize 35.00 mL of 0.22 M HCl

29. ## algebra

Find the x-intercept and the y-intercept of the graph of: 4x-2y=8 a. (2, -4) b. -4;2 c. (4, -2) d. 2;-4 I'm stuck between a and d. anyone helpp?

30. ## Physics

(a)A car travels exactly once around a circle of radius 5.0 m at constant speed of 3.0 m/s. What is the car’s average velocity (magnitude and direction) during this interval? Explain/justify. (b)Repeat the calculation of average velocity if the car

31. ## algebra

I am given the perimeter of the rectangle. It is 96cm. The length is 3 times the width. What are the measurements of the 4 sides of the rectangle? I need the formula please.The answer is 12 and 36, I think.

32. ## Math

I need help please A computer can execute 64 instructions per second. How many instructions can it execute in 10 minutes? Multiply 3 1/6 x 9/11 x 6/17. Write the answer in simplest form Divide 6/25 / 2/15. Write the result in simplest form.

33. ## Program Logic Design

create a flowchart that shows the logic for a program that generates a random number; then ask the user to think of a number between 1 and 10. The display then randomly generated number so the user can see whether his or her guess was accurate.

34. ## Humanities/World Literature

1.Why does the demon collect her lovers' rings in _1001 Nights_? 2.What is the purpose of Shahryar and Shahzaman's journey in _1001 Nights_?

35. ## algebra 2

Find the x-intercept and the y-intercept of the graph of: 4x-2y=8 a. (2, -4) b. -4;2 c. (4, -2) d. 2;-4 I'm stuck between a and d. anyone helpp?

36. ## physics

A 400 calorie quantitiy of heat is added to 20 grams of water and as a result, the water reaches a final temp of 70 deg. C. The starting temp of the water was most nearly _____ deg C.

37. ## Physics

A car is traveling over the top of a hill, which we will model to be a piece of a circular arc of radius R. For each case below, draw careful to-scale motion maps and use them to construct the velocity vectors at the following three points: the top of the

38. ## Arithmetic

How can we put parentheses around the following expression so that the answer is 105? 9 + 8 x 7 - 6 x 5 + 4 x 3 + 2

39. ## math

simple form 3 ¾ / 60,000= 41 ½ / 3 ¾ A computer can excute 36 instructions per microscecond. How many instructions can it execute in 4 min?

40. ## ashford unversity

Which of the following is true regarding an SEP?

41. ## Physics _ College

A 50 cm long hollow glass cylinder is open at both ends and is suspended in air. A source of sounds that produces a pure frequency is placed close to one end of the tube. The frequency is placed close to one end of the tube. The frequency of the sound

42. ## Math

In solving the eqaution(x+4)(x-4),Eric stated thatthe solution would be x+4=33=>x=29 or (x-4)=33=>x=37 However, at least one of these solutions fails to work when substituted back into the original eqaution. Why is that?Help Eric to understand better,solve

44. ## Algebra1

when using multiplying by 1 to find an expression equivalent to 18/7 with a denominator of 28x, the equivalent expression that I get is 4x/28x and i am being told that that's wrong

45. ## Math - please double check me

There are 42 accounting classes with 31 students in each class. Estimate the total number of students in the accounting classes. a. 1200 b. 900 c. 1600 d. 1500 answer: c One kilometer is equal to 1000 meters. What fractional part of a kilometer is 500

46. ## univ/com/155

write a paragraph of instructions on the writing process for future com/155 students.include the steps in the writing process.

47. ## A and P

The following is a template strand of DNA with a start codon(=!!!) and a stop codon(=???): !!!TCGGGCTACAAAACAAATCAACGGGGCTCGCAAACAAATAAACGG??? What is its mRNA nucleotide sequence? Indicate the product of this DNA segment/gene. What is the product’s

48. ## Literature

What literature do you consider to be part of the United States' current literary canon, and why? How do those selections reflect the cultural tradition of the United States? What do you consider to be part of your personal literary canon?

49. ## algebra 2

3. Identify the range of y=|x|-4 A. [x|x≥4] B. [y|y≥-4] C. [y|y≥0] D. all real numbers I'm confused about this question, any help???

50. ## math

Please explain how to get the answer. At the animal shelter, 1/3 of the animals are dogs, 2/12 are cats, and 19 are other animals. How many animals are at the shelter? I said 1/3x + 2/12x + 19 = 4/12x + 2/12x = 19= 6/12x = 19 1/2x = 19 x =

51. ## poetry

i need to write an acrostic poem for english using the quote:"do all lawyers defend negros". its from to kill a mocking bird and i need to write a phras starting with each letter in the quote and i cnt think of anything

what is the greatest common factor of 245, 385, and 539

53. ## Communication Stratgies

How can you write a 350 word memo about 25 students losing their deposit on a spring trip?

54. ## algebra

(2a+4b)-(3a-b)when and how do u know to change the signs? It might help to think of it as below. (2a+4b)-1(3a-b) Mutliply the last term by the -1. 2a+4b-3a+b = -a+5b or 5b-a I hope this helps. Thanks for asking.

55. ## math

A bicyclist rides off a roof at 15.2 \frac{m}{s}. The roof is 9.8 m above the ground. How far from the edge of the building does the bicyclist land? Use SI units in the second box.

The electron-domain geometry and molecular geometry of iodine trichloride are __________ and __________, respectively. The answer is trigonal bipyramidal, T-shaped, respectively- I do not understand the approach

57. ## chemistry

a container has the dimensions of 2.5 m x50 cm x60 mm. It is filled with water at 0.0 degrees celsius,how many kilocalories will be necessary to heat the water to boiling point?

58. ## Math

If I make a porch that is 60 feet in length, 50 feet wide and 4 inches deep, how do I calculate the area, perimeter, and surface area of the porch? Can I multiply feet and inches in the same equation?

69. ## Psychology

How do the behaviors that you listed relate to those reported by Sternberg and his colleagues? What behaviors did you list? What did Sternberg and his colleagues report? I searched Google under the key words "intelligence behavior Sternberg" to get these

70. ## solution making/ chemistry/biotech

You have 750ml's of a solution that was originally made up using a 20X stock. How much stock was used? I think the answer is 3.75 by dividing 750/20 but I am not sure

71. ## solution making/ chemistry/biotech

how much of a .2M solution can you make with 340 g of calcium carbonate ( MW=100.0869) Do I multiply 340g by 1mole/MW

72. ## math

A train is going directly South at 60 mph. An action-movie star is atop the train, running North at 6 mph. Relative to someone standing on the ground, how fast is the action-movie star moving, and in what direction? North is positive and South is negative.

The electron-domain geometry and molecular geometry of iodine trichloride are __________ and __________, respectively.

82. ## Math

1) If you have an inhomogeneous, linear equation like f''(x) + f'(x) + f = x you can find the general solution by finding a particular solution (with no constants of integration)to this equation and adding it to the general solution to the homogeneous

83. ## History

Compare the European settlements in the Chesapeake area and New England in terms of goals, governments, social structures, and religions. What similarities do you find most remarkable? What differences do you find interesting? information please

84. ## Math -please check me

what is the perimeter of a rectangle if the length is 5/9 cm and the width is 2/9 cm? a. 5/9 cm b. 1 5/9cm c. 7/9 cm d. 1 7/9 cm the answer I got was 14/9 please help me.

85. ## Math

Please help Which of the following numbers are integers 2/3, 35, 0.093, -650, 42.5 Determine the maximum and minimum values of the following set of numbers 3. -36/7, -1, -2/3, 5/4, -5, 26/9

86. ## Accounting 11

What all goes on cash flow statement using an indirect method? How would it show on the sheet?

87. ## Accounting 11

I need help completing a statement of cash flow using the indirect method.

88. ## Psychology

List behaviors that you can think of that are characteristic of academic intelligence and behaviors that are characteristics of everyday intelligence. Please post your ideas and we'll be glad to help you. I searched Google under the key words "intelligence

1. ## writing

^^tf

posted on May 21, 2018
2. ## English

lmaooo hoe?

posted on May 21, 2018
3. ## Math

good lmao

posted on May 21, 2018
4. ## Plz help me.

I promise you the answers 1. D 2.D 3.B 4.A 100% 4/4

posted on March 21, 2018
5. ## Math

25

posted on October 7, 2017
6. ## History

Thanks

posted on May 25, 2017
7. ## Math

7×4=28 28+18=46

posted on December 14, 2016
8. ## grade 11 maths plz help!!!

The drama club plans to attend a professional production. From 10 to 35 students will go. There is a one-time handling fee of $3. each ticket costs$25 plus \$2 surcharges. Write a linear function that models this situation. (show your work)

posted on December 6, 2016
9. ## Math

5755050

posted on April 5, 2016
10. ## Criminal justice

Write a 700- to 1,050-word paper in which you describe the issues facing police departments in today’s society. Include a description of how local, state, and federal law enforcement agencies currently interact with the U.S. Department of Homeland

posted on July 29, 2015
11. ## Eth/125

a

posted on April 21, 2015
12. ## solution making/ chemistry/biotech

so how would I find the percentage of that solution

posted on October 2, 2014