Most popular questions and responses by Valerie
  1. Math Ms. Sue help me

    What does it mean to say that a number is a perfect square? Give one example of a number that is a perfect square and one that is not. Can you plz help me?

    asked on November 14, 2016
  2. Language Arts Help!!

    10 MS. SMITH: {glossing over his misbehavior and adopting a serious tone as she hands Jason a piece of paper} Yes, ok. So, tell me your plan for the project. Have you consulted this project list yet? You really need to quit putting this off. You're the

    asked on May 25, 2016
  3. Geometry

    On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard is then folded along the creases to make a rectangular box with open ends. Letting x represent the distance (in inches) between

    asked on January 21, 2011
  4. Social Studies

    1) Which Geographic Feature most enabled people to cross the himalayas and other northern Mountains to settle the Indian Subcontinent? A) Rivers such as the ganges B)Gorges such as the khyber pass C)Lower mountains such as the Indian Subcontinet. D)Low

    asked on April 8, 2015
  5. Math Help!!

    You roll a standard cube once. Find P(0) a) 7/6 b) 1 c) 1/2 d) 0

    asked on May 20, 2016
  6. Math

    jason weighs 36 pounds together he and his sister weigh four ponuds more than three times the weight of his sister what is the weight w of jason's sister? 36+ w= 3; 18 pounds 36+ w- =3w; 19 pounds 36+ w= 3w+4; 16 pounds 36+ w= 3w -4; 20 pounds

    asked on January 27, 2017
  7. Math

    List three different ways to write 5^11 as the product of two powers. Explain why all three of your expressions are equal to 5^11 Need some help Please!!

    asked on June 9, 2017
  8. English

    What is one theme, or central of "Two Kinds"? Persistence is the key to success High expectations are the key to success Discovering one's own goals and desires is an important part of growing up A family cannot be happy unless the children obey and

    asked on September 8, 2017
  9. Math

    Why did Airhead eat the dollar he brought to school

    asked on October 26, 2010
  10. Science

    1.What challenges does [your topic] pose to biodiversity? 2.What do you think should be done and why? Can someone help me plz!! i have to write a discussion.

    asked on April 3, 2017
  11. Social Studies

    What is one change Mansa Musa brought to Mali? A) He sent all of the scholars out of the empire. B) He brought Christianity to the empire. C) He made Islam the empire's official religion. D) He gave the provinces their independence Plzzz!!!! Help Me Plzzzz

    asked on September 21, 2016
  12. Chemistry

    What is the pH of a 0.50 M solution of NaNO2 if the Ka of H20x = 4.5 x 10^-4. I know that you use the Ka to find Kb and solve from there, but why?

    asked on September 26, 2012
  13. Math

    Mali-li has 7 1/2 yd of material. Her new skirt will take 4 5/8 yd. How much material will she have left after the skirt is made? 2 7/8 My answer 2 1/8 3 1/8 3 7/8 73 in. =___ ft 776 ft 6 1/2ft this one 8ft 7 1/4

    asked on October 23, 2017
  14. Physics

    In Oersted's experiment, suppose that the compass was 0.30 m from the current-carrying wire. If a magnetic field of 1/3 the Earth's magnetic field of 5 10−5 T was required to give a noticeable deflection of the compass needle, what current must the wire

    asked on March 24, 2013
  15. Physics

    To construct a solenoid, you wrap insulated wire uniformly around a plastic tube 12 cm in diameter and 45 cm in length. You would like a 2.0-A current to produce a 2.1-kG magnetic field inside your solenoid. What is the total length of wire you will need

    asked on March 24, 2013
  16. Science

    How does the amount of substance affect the rate at which temperature changes? I will like someone to explain this to me, please.

    asked on October 18, 2017
  17. Chemistry

    I am trying to answer my questions for thermal decomposition of malachite lab. I have moles of malachite in 1g= 0.0045 moles of Cuo produced= 0.0009 ratio of moles of Cuo produced per moles of malachite decomposed=0.0045/0.0009=5.1 the balanced euation =

    asked on September 27, 2009
  18. Science

    Discuss your opinion of the consequences of artificial selection and the advantages and disadvantages of using genetic information in society. Use facts from your research to support your opinion. Cite the sources for your facts. Also, discuss your answer

    asked on March 7, 2017
  19. Science

    what steps are important in the process of creating a scientific theory A) Hypothesizing,observing,and testing. B) Creating a prototype and trouble-shooting. C) Analyzing,Offering an opinion, and evaluating D) Trouble-shooting,hypothesizing,and evaluating.

    asked on October 3, 2016
  20. Science

    This is what the chart talks about. A Melt 1 cup of butter chop an onion mix ingredients in a large bowl B Brown the meat in a frying pan boil 6 eggs bake at 350 degrees kendra was looking at recipes in a cookbook. she divided some of the steps of a recipe

    asked on October 20, 2017
  21. Math

    Sarah flipped a pair of coins 60 times on 24 occasions, heads appeared on both coins. How is this outcome different from the expected outcome? It occurred 9 more times than expected it occurred 4 more times than expected It occurred 6 fewer times than

    asked on September 10, 2017
  22. Physics

    A solenoid is 3.2 m long and has 500 turns per meter. What is the cross-sectional area of this solenoid if it stores 0.32 J of energy when it carries a current of 12 A? So I used L = 2*E / I^2; and then I used A = L*l / (uo * N^2) but my answer isn't

    asked on April 14, 2013
  23. present value

    An investment pays you $20,000 at the end of this year, and $10,000 at the end of each of the four following years. What is the present value (PV) of this investment, given that the interest rate is 4% per year?

    asked on April 3, 2015
  24. Geometry

    Ok Dr. Russ helped me find one part of the question, but I still can't figure out the values of x that maximizes volume = in. Any help is appreciated. Thanks On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced

    asked on January 21, 2011
  25. algebra

    Can someone please help me do this problem? That would be great! Simplify the expression: sin theta + cos theta * cot theta I'll use A for theta. Cot A = sin A / cos A Therefore: sin A + (cos A * sin A / cos A) = sin A + sin A = 2 sin A I hope this will

    asked on February 18, 2007
  26. math

    Find the center, vertices, and foci of the ellipse with equation 3x^2 + 8y^2 = 24.

    asked on September 1, 2016
  27. thermochemistry

    A chemical reaction takes place in a container of cross-sectional area 100 cm2 . As a result of the reaction, a piston is pushed out through 19 cm against an external pressure of 596 torr. What is the value for w for this reaction?

    asked on October 14, 2012
  28. Math

    Hillary buys 3 pounds of Gala apples and some Granny Smith apples. Both kinds of apples cost $4.50 per pound. The total cost is $24.75. How many pounds of Granny Smith apples did Hillary buy? Write and solve an equation.

    asked on January 5, 2019
  29. science

    As temperature rises, solids generally become more soluble in water, but gases become less soluble. If a soft drink contains high concentrations of sugar and carbon dioxide, which of the following may be expected to happen if it is cooled down? A) Sugar

    asked on January 18, 2012
  30. Mathematics

    You decide you will buy a stock only if it shows an overall increase over the next 30 days. The first 10 days, it has an average daily increase of 0.30. The next 10 days it has an average daily decrease of 0.45. The last 10 days, it has an average daily

    asked on September 12, 2017
  31. help with trigonometry??

    Jacob is standing 112 m from a building. The angle of elevation when he looks up to the top of the building is 62°. How tall is the building? I don't really understand how to solve this, please help!!

    asked on January 24, 2017
  32. Mathematics

    Can anyone check my answers please True or false 927 is divisible by 3 and 9 true 13,012 is divisible by 9 false 7,434 is divisible by 6 true 2,064 is divisible by 2,4,and8 true 96,240 is divisible by 2,3,5, and 10 true Am I right?

    asked on September 15, 2017
  33. sign language

    can someone help me with sign language please!! 1)_____ of the American Manual Alphabet hand-shapes are formed to resemble the letter they represent A)All B)some C)None 2)what are two main parts of forming signs? A) forming words with your lips and

    asked on October 18, 2016
  34. math

    A 128-lb person burns 320 calories per hour riding an exercise bicycle at a rate of 10 mi/hr. a) Write a function rule to represent the total calories burned over time by that person. b) Explain how the information in the problem relates to the function.

    asked on June 14, 2017
  35. Physics

    A single-turn square loop of side L is centered on the axis of a long solenoid. In addition, the plane of the square loop is perpendicular to the axis of the solenoid. The solenoid has 1490 turns per meter and a diameter of 6.00 cm, and carries a current

    asked on April 7, 2013
  36. Social Studies

    10.Which Piece Of Evidence Supports a Loosening of Islamic Tradition In saudi Arabia? A)The Hijab B) Five Pillars C)Women Politicians D)Prayer Outside The home I Say B) Five pillars

    asked on March 1, 2015
  37. Statistics

    Blossom's Flowers purchases roses for sale for Valentine's Day. The roses are purchased for $10 a dozen and are sold for $20 a dozen. Any roses not sold on Valentine's Day can be sold for $5 per dozen. The owner will purchase 1 of 3 amounts of roses for

    asked on August 6, 2013
  38. Science

    Xylem dries up and dies what is the effect

    asked on September 19, 2012
  39. chemistry

    Use bond energies (Table below) to estimate H (kJ) for the following gas-phase reaction: (CH3)2CHOH(g) ==> (CH3)2C=O(g) + H2(g)

    asked on April 12, 2012
  40. Social Studies

    Which territorial acquisition- excluding the original United States-- added the greatest number of states to the nation? Gadsden Purchase THIS ONE Louisiana Purchase Mexican Cession Oregon Territory Which of the following best describes the impact of

    asked on January 24, 2019
  41. accounting

    Swan Creek Company has 40,000 shares of cumulative preferred 2% stock, $60 par and 50,000 shares of $50 par common stock. The following amounts were distributed as dividends:year 1 30000 my answer was 18000 common stock

    asked on September 14, 2014
  42. physics

    the speed of a cyclist reduces uniformly from 2.5 m/s to 1.0 m/s in 12 s. (a) calculate the deceleration of the cyclist. (b) calculate the distance travelled by the cyclist in this time

    asked on October 31, 2010
  43. Science

    What is the goal of technology to understand the natural world to improve how devices operate to improve how people live THIS ONE to understand how systems operate What is a factor that limits a technological design a prototype a trade-off a constraint

    asked on September 19, 2017
  44. British Literature

    What figure of speech is used in this statement: "Good Mistress Accost, I desire better acquaintance."

    asked on February 12, 2012
  45. Math

    Mrs. Klein made some tarts. She sold three fifths of them in the morning and one fourth the remainder in the afternoon. If she sold 200 more tarts in the morning than in the afternoon how many tarts did she make?

    asked on February 7, 2012
  46. Trig

    Find the general solution for the equation 4tanx+cotx=5?????? and the steps please? THANYOO!

    asked on October 18, 2010
  47. Programming Java

    I am learning Java in programming right now. I need to write a program that should have an output like this: The program says "Type ten names". Then ten names sould be typed a person. Then the program chooses a random name from the list and displays it on

    asked on November 16, 2017
  48. History

    What were Alexis de Tocqueville contribution to his time period and also what contribution did he make to there character of America?

    asked on November 5, 2017
  49. Science Ms. sue help

    what is the function of a cell wall A) to Protect and support the cell B) to preform different functions in each cell C) to prevent water from passing through the cell D) to prevent oxygen from entering the cell. Help!!!!

    asked on November 15, 2016
  50. Ap chemistry

    a sample of radioactive iodine (half life=3 days) originally weighed 10 g, but now weighs 0.625 g. How old is the sample?

    asked on December 12, 2018
  51. AP Calculus AB

    A farmer wants to create a rectangular pen, which will be divided into six separate sections, as shown in the accompanying diagram. If he has 600 feet of fencing to use, what outside dimensions will maximize the area of the pen?

    asked on December 12, 2010
  52. College Algebra

    Deer Valley determined that the cost of these apples was 64 cents per pound. 1. What would be the selling price per pound for the prepackaged apples using a 30% markup based on cost? A 40% markup? A 50% markup? 2. Based on the national average for apples

    asked on December 17, 2015
  53. Math

    Find the value of this integer expression: -2(+3+-4+-8++7) Calculate in distributions and without distribution. There are suppose to be an exponent with +3 and when you see ++7 there is suppose to be an exponent.

    asked on November 10, 2017
  54. liberal arts

    A turtle is at the bottom of a 13 foot well. Each day it crawls up 5 feet, but each night it slips back 3 feet. After how many days will the turtle reach the top of the well?

    asked on November 24, 2014
  55. Physics

    A parallel-plate capacitor is made from two aluminum-foil sheets, each 3.90 cm wide and 10.3 m long. Between the sheets is a mica strip of the same width and length that is 0.0225 mm thick. What is the maximum charge that can be stored in this capacitor?

    asked on February 24, 2013
  56. statistics

    A sample of 134 golfers showed that their average score on a particular golf course was 87.43 with a standard deviation of 4.53. Answer each of the following (show all work and state the final answer to at least two decimal places.): (A) Find the 99%

    asked on November 2, 2010
  57. Math

    Can anyone check this and see if I'm right? A crafts store bought 27 1/4 ounces of potpourri. The shop divides the potpourri into 2 1/2 ounce bags and sells each bag for $4.25. a. how many full 2 1/2 ounce bag of potpourri can the shop make. b. if all the

    asked on October 23, 2017
  58. Math

    Complete the following task in your discussion group: Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination

    asked on May 11, 2017
  59. Finance

    Suppose you buy a 7% coupon, 20 year bond today when it's first issued. If interest rates suddenly rise to 15%, what happens to the value of your bond?

    asked on October 26, 2010
  60. Math

    Make a table to display your answer. When a coin is tossed four times, sixteen equally likely outcomes are possible as shown below: HHHH HHHT HHTH HHTT HTHH HTHT HTTH HTTT THHH THHT THTH THTT TTHH TTHT TTTH TTTT

    asked on March 26, 2011
  61. Math

    Tell whether the quantity is constant or variable. 1. The price per gallon of gasoline. 2. The distance between Chicago and Boston. I need explanation for each also.... Thank you!

    asked on April 22, 2011
  62. Math

    How many ways can 5 people be arranged in a straight line if there are 12 people to choose from

    asked on March 26, 2011
  63. Social Studies

    Throughout the 1900s, many countries in Africa and Asia gained independence from European colonial powers. India is one of these countries, having gained their independence from Britain in 1947. Why did people in India want independence? In what ways was

    asked on November 10, 2016
  64. Physics

    A single conducting loop of wire has an area of 7.4 10-4 m2 and a resistance of 110 Ω. Perpendicular to the plane of the loop is a magnetic field of strength 0.18 T. At what rate (in T/s) must this field change if the induced current in the loop is to be

    asked on April 7, 2013
  65. Chemistry

    What is the lewis dot structure for copper?

    asked on February 21, 2013
  66. business math

    I'm trying to solve this problem: What sinking fund payment would be required at the end of each three-month period, at 8% interest compounded quarterly, in order to amount to 20,000. I just need to know how to work the problem correctly.

    asked on January 14, 2011
  67. Trigonometric Function

    A Ferris wheel has a radius of 10 meters and is revolving 6 times each minute (wheel's frequency.) The wheel's center is 12 meters from the ground. If time starts on the ground, then find a sine function that shows the height from the ground for a car on

    asked on April 14, 2014
  68. Physics

    As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 590 m to be the other plate. Assume the surface area of the cloud to be the same as the area of a square that is 0.50 km on a

    asked on February 24, 2013
  69. Mathematics

    CHECK MY ANSWERS PLEASE 1.9 squared is equivalent to ___ 18 9^2 81 both b and c this one

    asked on September 15, 2017
  70. Math

    Simplify the polynomial 2x^2 + 6x - 7x + 8 - 3x^2 + 1 A)2x^2 + x + 9 B)-2x^2 - x - 9 C)-x^2 - x + 9 D)x^2 + 9 Please help me

    asked on June 12, 2017
  71. science

    Why do earthquakes occur along the San Andreas Fault

    asked on October 31, 2015
  72. Physics

    A 11-V battery is connected to three capacitors in series. The capacitors have the following capacitances: 5.3 µF, 10.7 µF, and 31.8 µF. Find the voltage across the 31.8-µF capacitor. Please Help!

    asked on February 24, 2013
  73. math

    What is the solution to r/-3=12?

    asked on September 21, 2016
  74. civics

    Sarah supports ratifying a new Cybercrime society. She would like to write a letter expressing her support. Where would she send her letter? A)to a Supreme Court justice B)to her district representative C)to her senators D)to the president

    asked on November 2, 2015
  75. physcial science

    Jennifer, who has a mass of 50.0 kg, is riding at 35.0 m/s in her red sports car when she must suddenly slam on the brakes to avoid hitting a deer crossing the road. She strikes the air bag that brings her body to a stop in 0.500 s. What average force does

    asked on May 8, 2014
  76. physics

    A cannon on a level plain is aimed 50 degrees above th e horizontal and a shell is fired with a muzzle velocity of 1200 ft/s toward a vertical cliff 3200 ft away. How far above the bottom does the shell strike the side wall of the cliff?

    asked on September 4, 2012
  77. chemistry

    35.0 g of an organic compound dissolved in 500. g of water have a freezing point of -3.72 degrees C. What is the molecular weight of the solute?

    asked on February 14, 2011
  78. statistics

    Assume that the population of heights of male college students is approximately normally distributed with mean m of 70.63 inches and standard deviation s of 6.47 inches. A random sample of 88 heights is obtained. Show all work. (A) Find the mean and

    asked on November 2, 2010
  79. Mathematics

    When you are translating a number from scientific notation to standard form, what does the exponent tell you? The number of zeros to add to the end of the original number the number of places to move the decimal point to the left the number of places to

    asked on September 26, 2017
  80. Math

    Amy is making a drawing of different things in her neighborhood. One house she drew is 30 feet wide. Her scale drawing of the house is 5 inches wide. Which of the following uses the same scale Amy used to draw this house. A 54 foot-tall water tower is

    asked on September 10, 2017
  81. finance

    (Bond valuation) Eagle Ventures has a bond issue outstanding with an annual coupon rate of 7 percent and 4 years remaining until maturity. The par value of the bond is $1,000. (a) Determine the current value of the bond if present market conditions justify

    asked on March 8, 2013
  82. science

    While rearranging a dorm room, a student does 286 J of work in moving a desk 1.3 m. What was the magnitude of the applied horizontal force?

    asked on February 21, 2013
  83. math

    two fifth of the students walked to school what fraction did not walk?

    asked on January 17, 2012
  84. Math

    In how many ways can 7 people line up for plane tickets?

    asked on March 26, 2011
  85. Math

    A contractor is considering a sale that promises a profit of $30,000 with a probability of .7 or a loss of $4,000 with a probability of .3. What is the expected profit?

    asked on March 26, 2011
  86. Math

    Name the subset of the real numbers to which each number belongs divided 113

    asked on October 16, 2017
  87. Reading Help!!

    Are there any books that are about greedy people that change? Other than Christmas Carol because I'm trying to write a compare and contrast paragraph.

    asked on May 24, 2016
  88. Math

    Two sides of a triangle measure 7 cm and 15 cm . Which of the following could not be the length of the third side ? A. 5 cm B. 9 cm C. 15 cm D. 22 cm I'm confused because at first I tried Pythagorean thereom and it didn't really work .

    asked on June 3, 2014
  89. Physics

    a 5 kg crate falls from a height of 2.0 m into an industrial spring scale. When the crate comes to rest the compression of the spring is 24 cm. what is the spring constant?

    asked on April 4, 2014
  90. Physics

    Two trains with 112-Hz horns approach one another. The slower of the two trains has a speed of 26 m/s. What is the speed of the faster train if an observer standing near the tracks between the trains hears a beat frequency of 4.7 Hz? (Express your answer

    asked on April 24, 2013
  91. Algebra

    The town of appleville recorded the following dates and populations. YEAR POPULATION 1985 51.5 1985 53 1990 56 1995 62 Estimate the approximate population of Appleville in 1988 by finding an equation and then substituting. HELP!!!

    asked on April 22, 2011
  92. analogies

    first is to last as originally is to _____ storm is to weather as outgoing is to ____ heavens is to sky as virtually is to _____ text is to script as ethically is to _____ white is to black as copy is to ____ detail (S) for it ______?orginality Do you have

    asked on December 13, 2006
  93. Math

    Carlita saw 5 times as many robins as cardinals while bird watching. She saw a total of 24 birds. How many robins did she see than cardinals?

    asked on November 29, 2016
  94. Math

    Explain the difference in meaning between |-3| and -3. Plzz Help me on this!

    asked on September 29, 2016
  95. Pre cal

    Translate the graph of y=sinx to the right by pi units, and then reflect this curve about the x-axis what graph result?

    asked on April 10, 2014
  96. English

    I am doing my summer reading for 9th grade reading assignment & need to write about 10 passages from a variety of literary terms. Could you explain some of these terms?

    asked on August 29, 2013
  97. College Physics

    The rectangular coils in a 201-turn generator are 14 cm by 17 cm. What is the maximum emf produced by this generator when it rotates with an angular speed of 525 rpm in a magnetic field of 0.81 T? I'm not sure what equations to use.

    asked on April 25, 2013
  98. Physics

    A magnetic field increases from 0 to 0.09 T in 3.0 s. How many turns of wire are needed in a circular coil 20 cm in diameter to produce an induced emf of 7.5 V? Please help soon.

    asked on April 7, 2013
  99. science

    While rearranging a dorm room a student does 286 J of work to move a desk 1.3 m. What was the magnitude of the applied horizontal force?

    asked on February 21, 2013
  100. Precalculus

    5. A water wheel has a radius of 60 feet, and the center is 14 feet above the water level. The water wheel makes a complete rotation every 45 minutes. A specific cup starts at the top of the wheel. Write a sine equation to model the above water wheel.

    asked on January 11, 2013


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