Questions Asked on
March 10, 2015

  1. Physics

    Billy stands on a hill without slipping. In which direction is the force of friction acting?

    asked by Hanna
  2. math

    Anais bought 4 1/2 yards of ribbon. She had 3 feet 8 inches of ribbon left after trimming some curtains. How many inches of ribbon did Anais use to trim the curtains? Anais used _____ inches of ribbon.

    asked by kia
  3. physics

    4. A ball is thrown so that it just clears a 3m fence 18m away. If it left the hand 1.5m above the ground and at an angle of 60° with the horizontal, what was the initial velocity of the ball?

    asked by steven
  4. Check Answers (Math)

    Which of the following has a graph that is wider than the graph of y=3x^2+2? A) y=3x^2+3 B) y=0.5x^2+1 C) y=-4x^2-1 D) y=4x^2+1 Would the answer be B?

    asked by Tia
  5. Calculus

    For which pair of functions f(x) and g(x) below will the lim f(x)/g(x)equal 0 x-infinity f(x) e^x; g(x) = x^3 f(x) x^5; g(x) = e^x f(x) x^3; g(x) = ln(x) f(x) x^negative 2; g(x) = e^negative x

    asked by Gary
  6. Math

    18 students in a class play baseball. 17 students in the class play basketball. 30 students in the class play either or both sports. Select the vend diagram that shows the number of students who play basketball and baseball. A. Baseball 13 (5) 12

    asked by Ally
  7. algebra

    Jason is designing a rectangular garden that has area of 300 square feet. The width of the garden is five feet less than its length. Find its length and width

    asked by leyry
  8. Civics

    8. Which one of the following provisions was part of the first draft of the Articles of Confederation submitted to the Second Continental Congress? A. Appointment of George Washington as commander of the Continental Army B. Limited and restricted functions

    asked by Sarah
  9. statistics

    Determine whether the description corresponds to an observational study or an experiment. Research is conducted to determine if there is a relation between kidney function in adults and childhood-onset diabetes.

    asked by slomomo
  10. Civics

    11. The purpose of the petition sent to King George III by the First Continental Congress was to A. request a place in Parliament for colonial delegates. B. request that the king consider granting independence to the established colonies. C. declare the

    asked by Sarah
  11. physics

    A plastic rod is rubbed against a wool shirt, thereby acquiring a charge of −4.9 µC. How many electrons are transferred from the wool shirt to the plastic rod? The elemental charge is 1.6 × 10−19 C.

    asked by Bob
  12. language arts

    Be still, sad heart! and cease repining; Behind the clouds is the sun still shinning; thy fate is the common fate of all, into each life some rain must fall some days must be dark and dreary 1. from the context, what do you conclude is the probable meaning

    asked by ben
  13. Statistics

    In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. More than a decade ago, high levels of lead in the blood put 87% of children

    asked by Leatha
  14. physics

    a ball dropped from rest at a height of 50 m above the ground. (a) what is the speed just before it hits the ground? (b) how long does it take to reach the ground?

    asked by sha
  15. Chemistry

    1)A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of this solution. The Ka for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. *A buffered solution resists a change in pH.*

    asked by JUNDY
  16. Art

    How do landscape paintings convey the value and ideas of Chinese culture? 1.Landscape paintings show chaotic, and unhappy culture 2.Landscape Paintings reveal the importance of natural history to the Chinese 3.Landscape paintings show that Chinese desire

    asked by Panda
  17. math

    A 13 feet ladder is leaning against a house. The distance from the bottom of the ladder to the house is 7 feet less than the distance from the top of the ladder to the ground. Find the distance between the bottom of the ladder and the house.

    asked by leyry
  18. Spanish

    Need some help with my spanish assignment Complete the following sentences with the correct form of either dar or decir. My answers are in parentheses. I am having trouble, any input is appreciated! 1) Mis amigos (decimos) que hay una fiesta en casa de

    asked by Kaylee
  19. Chemistry

    A student mixes 5.0 mL of 0.00200 M Fe(NO3)3 with 5.0 mL 0.00200 KSCN. She finds that the concentration of FeSCN2+ in the equilibrium mixture is 0.000125 M. Follow these steps to determine the corresponding experimental value of Kc for the reaction of Fe3+

    asked by anon
  20. Chem

    In photography, unexposed silver bromide is removed from film by soaking the film in a solution of sodium thiosulfate, Na2S2O3. Silver ion forms a soluble complex with thiosulfate ion, S2O3^2-, that has the formula Ag(S2O3)2^3-, and formation of the

    asked by JIm
  21. Calculus

    An observer is 23m above the ground floor of a large hotel atrium looking at a glass-enclosed elevator shaft that is 15m horizontally from the observer. The angle of elevation of the elevator is the angle of the observer's line of sight makes with the

    asked by Zee
  22. math

    A rectangular piece of carpet is place on the floor of a rectangular room leaving a margin of 1 m around it. If the room measures 8 m by 6 m find the area of the room not covered by the carpet.

    asked by bill
  23. Statistics

    A history class is comprised of 5 female and 8 male students. If the instructor of the class randomly chooses 8 students from the class for an oral exam, what is the probability that 2 female students and 6 male students will be selected? Round your answer

    asked by Ryan
  24. ART

    how does a landscape artists make an object in the foreground appear closer than an object in the background? a~by making the object in the foreground larger in comparison the background objects. b~by making the object in the foreground less detailed in

    asked by NEED HELP
  25. statistics

    A jar contains 3 nickels and 2 dimes. You reach in and randomly select 2 coins. Let x represent the value of the two coins in cents. Find the expected value and standard deviation of x

    asked by Ashley
  26. Math

    Chris ate 1/8 of a banana cream pie with a 14 inch diameter. What is the area of the remaining portion of the pie?

    asked by Laurena
  27. Foreign Language, French

    Can you please proofread my answers to the questions assigned by my teacher and correct me where needed? 1. découvrir / vieille / qu'est-ce qu' / dans / ils / valise / la Qu'-est-ce qu' ils veieille ont découvert la valise? 2. cette / nous / restaurant /

    asked by Alex
  28. Please Check My Math Answers. Thanks!

    Can someone please be kind enough to check my answers? Thanks! :) I put stars by my answers. 1. Calculate the slant height for the given cone. Round to the nearest tenth. Diameter= 8cm Height= 9cm a. 10.2 cm b. 11.4 cm c. 9.8 cm *** d. 12.0 cm 2. Calculate

    asked by OceanBreeze
  29. Geometry

    A red cross helicopter takes off and flies 75km at 20degree south of west. There it's drops off some relief supplies. It then flies 125 km at 10 degree west of north to pick up three medics. A. Make an accurate drawing of the two vectors decribed? B. draw

    asked by Lee
  30. Pre-Calculus

    Water is spraying from a nozzle in a fountain forming a parabolic path. The nozzle is 10 cm above the service of the water. The water achieves a max height of 100 cm above the waters surface and lands in the pool. The water spray is again 10 cm above the

    asked by Lucina
  31. chemistry

    Iron is obtained commercially by the reaction of hematite (Fe2O3) with carbon monoxide. How many grams of iron is produced when 35.0 moles of hematite react with 41.5 moles of carbon monoxide? Fe2O3(s) + 3 CO(g) 2 Fe(s) + 3 CO2(g)

    asked by Aim
  32. health

    The breathing process is controlled by (Select all that apply) A. The diaphragm B. The pharynx C. Blood vessels D. rib muscles

    asked by Karina
  33. chemistry

    Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.150 M HClO(aq) with 0.150 M KOH(aq). The ionization constant for HClO is 4.0x10^-8. pH before the addition of any KOH? pH after the addition of 25 mL of KOH? Please show the

    asked by Francesca
  34. math

    Jose wants to find how many gallons of water he needs to fill his cube-shaped aquarium. One side of his aquarium is 4 feet long. a)Write and solve an expression to find the volume of Jose's aquarium. b)One cubic foot is equal to 7.48 gallons of water. How

    asked by kyle
  35. World History

    Regarding Indonesia, which of the following statements is false? A. Indonesia was formerly the British East Indies. B. The first head of Indonesia was Sukarno. C. The first leader of Indonesia was Suharto. D. Indonesia was formerly the Netherlands East

    asked by Dave
  36. science

    1.40g each of CO, H2O, and H2 are sealed in a 1.41−L vessel and brought to equilibrium at 600 K. CO(g)+H2O(g)⇌CO2(g)+H2(g)KC=23.2 How many grams of CO2 will be present in the equilibrium mixture?

    asked by natalie
  37. Algebra

    The radiator in a car is filled with a solution of 75 per cent antifreeze and 25 per cent water. The manufacturer of the antifreeze suggests that for summer driving, optimal cooling of the engine is obtained with only 50 per cent antifreeze. If the

    asked by Sue
  38. Arithmetic Progressions

    The second term of an arithmetic progression I four times the fits term, and the first term is ten. Find the common difference and hence find the sum of the first 12 terms.

    asked by Steph
  39. physics

    *please walk me through equation The patellar tendon attaches to the tibia at the tibial tuberosity. The tibial tuberosity is 7 cm from the center of the knee joint. The patellar tendon pulls at an angle of 35deg to the line passing through the tibial

    asked by eagle1
  40. Math help please!!!

    Make a box and whisker plot of the data. 13,13,20,21,21,22,24,27. I know the median is 21. The 3Q is 23 Min is 4 and the max is 27. But I can't figure what number is the Q1 because I don't know what number comes between 13 and 20. Is it 15 or 16.5? Please

    asked by frazzled
  41. Finance

    As an investor, you are considering an investment in the bonds of the Conifer Coal Company. The bonds, which pay interest semiannually, will mature in 8 years, have a coupon rate of 9.5% on a face value of $1,000. Currently, the bonds are selling for $872.

    asked by Kim
  42. Pre-Calculus(Trignometry)

    There are 3 airports, A , E and G. G is 200km from A.E is 160 km from A From G the bearing of A is 052 degrees. From A the bearing of E is 216 degrees. What's the distance between A and G? 360- 216 = 144 144-52 = 128 144-128 = 16 a^2 =

    asked by Lucina
  43. Civics

    Which one of the following statements is most accurate regarding the Mayflower Compact? A. It made Plymouth a royal colony. B. It created the Massachusetts Bay Colony. C. It founded the Plymouth colony under a proprietary governor. D. It gave the Pilgrims

    asked by Sarah
  44. Civics

    17. After General Howe's forces defeated the Americans at Brooklyn Heights and White Plains, Washington's strategy called for A. drawing British forces inland. B. retreating to the south. C. surrounding the British and forcing them into one location. D.

    asked by Sarah
  45. Physics help please!

    1. Given t1/2 to be 0.0137 seconds, how long should it take to reach 87.5% of maximum charge? 2. Let's say you measure t1/2 to be 0.0137 seconds and the resistance in the circuit is 99 Ohms. Then what is the capacitance in micro Farads? 3.q = qmax(1 - e -t

    asked by B
  46. Science Help Please

    1. Which of the following correctly describes a radio wave? A. long wavelength and high frequency B. long wavelength and low frequency C. short wavelengh and low frequency D. short wavelengh and high frequency Is the answer B? 2. When the energy of a light

    asked by callie
  47. Elementary Statistics

    "Scores on the Wechsler IQ test approximate a normal curve with a mean of 100 and a standard deviation of 15. b. What percentage of IQ scores are below 74?" I've been working at this for a while now, but when I solve for the z-score, I keep getting a

    asked by Nicole
  48. Physics

    The coefficient of static friction between the m = 3.75-kg crate and the 35.0° incline of the figure below is 0.320. What minimum force vector F must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline?

    asked by Ryan
  49. stats

    A pizza can be made with any of the following toppings: cheese, pepperoni, sausage, mushrooms, anchovies, green peppers, or olives. How many different three-topping pizzas can be made? Doubling of any topping is not allowed.

    asked by Anonymous
  50. Art Please Help :)

    1. Which movie professional creates the storyboard? A. Screenwriter B. Production designer C. Director D. Graphic artist *** 2. How might a cinematographer create a believable scene in natures? A. Through research of plants and animals B. Through

    asked by anonymous
  51. entrepeurneurship

    when your company pays for a promotional message , this is what type of form advertising public relations word of mouth market research

    asked by animal guy
  52. Civics

    13. Under the reign of Louis XIV, the government in France was a/an A. absolute monarchy. B. representative democracy. C. dictatorship. D. direct democracy. A?

    asked by Sarah
  53. Math

    A surgical technique is performed on 7 patients. There is a 70% chance of success. Find the probability that the surgery is successful for at least 5 patients and what is the expected number of successes out of 20 surgeries. My attempt was: P(xmore than or

    asked by Resa
  54. statistics

    How to find p value? If test statistic is -0.37, will the p value be 0.3557?

    asked by Anonymous
  55. Physics

    1. Given t1/2 to be 0.0137 seconds, how long should it take to reach 87.5% of maximum charge?

    asked by B
  56. physics

    calculate the linear speed of a point on the record at the beginning and the end of the record that rotates at 33rev/min r1=7cm,r2=15cm

    asked by selena
  57. accounting

    Savallas Company is highly automated and uses computers to control manufacturing operations. The company uses a job-order costing system and applies manufacturing overhead cost to products on the basis of computer-hours. The following estimates were used

    asked by ashley
  58. chemistry

    What is the equation for the oxidation of beta carotene using hot concentrated potassium permanganate solution? How many ketone molecules will the product have?

    asked by sindhu
  59. Science

    An elevator lifts 5 passengers 30 meters in 24 seconds. The power is 15,000w. What is the total weight of the elevator and passengers?

    asked by Nicholas
  60. Chemistry Need Help

    What is the concentration of Na+ ions if 25.0 mL of 1.50 M NaOH is reacted with 25.0 mL of 1.50 M HCl? I did M*25ML=1.50M*25.0ML M=1.50M*25.0ML/25ML M=1.50 M Na Is it correct?

    asked by annoymous
  61. Life orientation

    What are practicals action that you can take to address human rights violation of xenophobia in your community

    asked by Kesentseng
  62. chemistry

    if the concentration of all the reactants doubled, what works happen to the rate I know the reaction rate would increase, but in a previous example it asked the question and the answer was that the rate increases by 16 and I can't figure out how much it

    asked by alyssa
  63. BOB

    A sphere of radius 20 cm and mass 1.80 kg starts from rest and rolls without slipping down a 30.0 degree incline...

    asked by Natalie

    If you _______ to visit your grandmother, you should go now; visiting hours will be ending soon. A. assert B. retort C. contend D. intend

    asked by Anonymous
  65. math

    If you have 100 numbers (1 - 100, including 1 and 100) and you choose 2 of them then do the formula x + y + xy (x being the first number and y being the second) and you replace the 2 numbers chosen with that new number, what are the last possible values

    asked by Dennis
  66. Chemistry

    1)A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of this solution. The Ka for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. *A buffered solution resists a change in pH.*

    asked by JUNDY
  67. chemistry

    find mass of sulfuric acid obtained in reaction of 20.0g if sulfur trioxide with excess of water

    asked by Allison
  68. math

    Evaluate (2sinx)(3sinx) (6cosx)(cosx)

    asked by sunday
  69. Chemistry

    1)A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of this solution. The Ka for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. *A buffered solution resists a change in pH.*

    asked by JUNDY
  70. chemisty

    find the oxidation state of a carbon in methane, carbon monoxide, carbon dioxide, CH2O, acetic acid, carbonic acid, methanol, and benzene (C6H6)

    asked by Allison
  71. Pre-Calculus

    Determine a quadratic function in vertex form given each set of characteristics. * minimum value of -24 and x-intercepts at -21 and -5 I have: (-21,0) and (-5,0) How would I find the x-coordinate of the vertex? (Thank you)

    asked by Lucina
  72. Civics

    16. Which one of these terms is most closely related to an oligarchy? A. Constitutional monarchy B. Junta C. Democracy D. Roi Soleil B?

    asked by Sarah
  73. S.S

    Canada's help in the World War 1 victory helped Canada become... A. A British Colony B. A World Power C. A French Colony D. Involved in the War of 1812 Thank You Soooo much for helping! I Really Appreciate your help! :)

    asked by Amber
  74. Romeo and Juliet

    Compare Romeo’s behavior before he meets Juliet with his behavior after they declare their love for each other. What do you learn about Romeo from the change in behavior? He didn't really love Rosaline?

    asked by Anonymous
  75. CIVICS

    THIS is a key step in the naturalization process a) a trial b) a hearing c) obtain a warrant d) to seek counsel

    asked by nicka
  76. S.S

    Why do the United States and Canada cooperate on environmental problems? Thank You sooooooo much for your help! I really appreciate it! :)

    asked by Amber
  77. MATH

    In ΔHIJ, the measure of ∠J=90°, the measure of ∠I=64°, and HI = 5.4 feet. Find the length of JH to the nearest foot.

    asked by KIRA
  78. Modeling with Linear Systems

    The digits of a two-digit number sum to 8. When the digits are reversed, the resulting number is 18 less than the original number. What is the original number?

    asked by josselin
  79. physics

    You can estimate your distance from a lightning storm by watching for a lightning flash and then counting in one-second intervals using the general rule that you are 1 km away for every 3 s you count. Explain why this rule works. Estimate the distance from

    asked by gal
  80. English (Novel)

    In chapter 18 of The True Confessions of Charlotte Doyle, how is the crew beguiled (tricked) into believing Captain Jaggery's testimony over Charlotte's?

    asked by Nicole
  81. english

    There are specific dates, this recount spans a long period of time in the narrator’s life, it is in 1st person point of view, and only significant times in this narrator’s life were chosen to be included. These characteristics make this piece a memoir

    asked by jimm
  82. algebra

    Assume that the number of defective basketballs produced is related by a linear equation to the total number produced. Suppose that 6 defective balls are produced in a lot of 200, and 15 defective balls are produced in a lot of 300.

    asked by Anonymous
  83. Theology 10 - HELP .... URGENT!!!

    what is your greatest talents? how has it helped the community any ideas... or topics i don't know what to write nor do i know how to start this essay

    asked by Laruen
  84. Calculus

    An observer is 36m above the ground floor of a large hotel atrium looking at a glass-enclosed elevator shaft that is 26m horizontally from the observer. The angle of elevation of the elevator is the angle of the observer's line of sight makes with the

    asked by Zee
  85. math

    Mark has 312 books in his bookcases. He has 11 times as many fiction books as nonfiction books. How many fiction books does Mark have. My answer is Mark have 308 fiction books and 4 nonfiction books.

    asked by ezekiel
  86. Math

    Which of the following has a graph that is wider than the graph of y=3x^2+2? A) y=3x^2+3 B) y=0.5x^2+1 C) y=-4x^2-1 D) y=4x^2+1 If anyone could help that would be amazing. Thank you so much!

    asked by Tia
  87. Physics

    Hello to all the fantastic tutors! I'm stuck on this question, I was wondering if there is a way to solve this. A car horn emits 378Hz sound. If the car moves at 23m/s with its horn blasting, what frequency will a person standing in front of the car hear?

    asked by Tommy
  88. math

    If a boat uses 21 GALLONS OF GAS TO GO 80 MILES, HOW MANY MILES CAN THE boat travel on 105 gallons of gas

    asked by patty
  89. physics

    What design aspects of the snowmobile make it particulary useful for travel over ice and snow?

    asked by chris
  90. math

    If a boat uses 24 GALLONS OF GAS TO GO 69 MILES, HOW MANY MILES CAN THE boat travel on 96 gallons of gas

    asked by patty
  91. Math

    Can you drop your email for my math question?Its on Google classroom and it has a picture that does not copy onto jiskha's homework help

    asked by Anonymous
  92. Physics

    Hi guys, I was just wondering if I'm heading in the right direction with this question. Thank you so much in advance for your time!! A loudspeaker emits energy at the rate of 56W , spread in all directions. What is the intensity of sound 18m from the

    asked by Kylie
  93. Math

    for a school assignment, santiago has to give three possibilities for the dimensions of a retangle that has a perimeter of 28 ft and an area greater than 30 ft. what are two other possibilities other than 10ft of base and 4 ft for height

    asked by Angelina
  94. LA

    Which excerpt from the play provides additional support for the correct answer to the previous question? A. Mrs. Frank. [To Anne] You're here, safe. You see? Nothing has happened. B. Anne. I'm a terrible coward. I'm so disappointed in myself. I think I've

    asked by Anonymous
  95. Civics

    8. Which one of the following provisions was part of the first draft of the Articles of Confederation submitted to the Second Continental Congress? A. Appointment of George Washington as commander of the Continental Army B. Limited and restricted functions

    asked by Sarah
  96. Challenge Help

    Ok so, my birthday is coming up and im planning my party. The theme is challenger, and I am finding all the most funest challenges. I am only 12 so nothing painful like the salt and ice challenge. I already have the bean boozled challenge, the watermelon

    asked by Kennabug
  97. entrepeurneurship

    a group of people or companies with a shared set of characteristics and needs or desires is called what

    asked by blackfire
  98. differential equation

    Write the model ODE and the implied initial values, and then solve the IVP to answer each of the f ollowing: [2*8=16pts] (a) A 3kg mass is attached to a spring whose constant is 6 N/m, and the entire system is submerged in a liquid which imparts a damping

    asked by lopez
  99. Literature

    I need ideas for a trick that would happen in a trickster tale with a lion and a monkey

    asked by Anabelle
  100. Chemistry

    At a deep-sea station 200. m below the surface of the Pacific Ocean, workers live in a highly pressurized environment. How much gas at STP must be compressed on the surface to fill the underwater environment with 2 × 107 L of gas at 22 atm? Assume that

    asked by Radio Active Wear
  101. Geometry

    "A cone has the radius of 24 and its volume is 1,920 what is the volume of a similar cone with the radius of 18 Answers A.480 B.810 C.1,080 D.1,440" How do I find the height for the similar cone to get its volume?

    asked by Kaitlyn
  102. Chemistry

    What is the pH of a solution made by mixing equal vlumes of .10 M HC2H3O2, .1 M NaOH, and .05 M HCl?

    asked by Bob
  103. Math

    what is 30% of 90? How do I solve with out calculator?

    asked by Brandon
  104. Stats

    Four diners have ordered a platter of desserts. The platter holds 8 chocolate chip cookies and 4 slices of chocolate cheesecake. The waiter gives each diner a randomly selected dessert. Let Y = the number of slices of cheesecake left on the platter after

    asked by Anonymous
  105. math

    Robert is replacing sod in two square-shaped areas of his backyard. One side of the first area is 7.5 feet. One side of the other area is 5.7 feet. The sod costs 'y' dollars per square foot. A)Write an expression to show how much Robert will spend on sod.

    asked by Sam
  106. math

    One is 2% of what number?

    asked by Brandon
  107. Math

    Why are shapes that are not closed not a real shape

    asked by Erick
  108. SCIENCE

    hi. Just saying.. I need an answer quick because this is due tomorrow!!! Ok. So, my question was explain the particle theory of why does black objects gets absorbs by heat faster/better? and why does white objects get cooler faster? Thanks And reply as

    asked by ZAHRAA
  109. CHemistry

    Calculate the pH at the equivalence point for the titration of 0.140 M methylamine (CH3NH2) with 0.140 M HCl. The Kb of methylamine is 5.0× 10–4.

    asked by Francesca
  110. math

    In 2000, about 51% of the 280,000,000 US citizens were women. Their median age was 36.6. About how many of these women were younger than age 36.6?

    asked by maria
  111. ECE 311

    a child who acquires a reputation for being a trouble maker? A usually has a high level of self-esteem B can easily overcome it C may experience increasing difficulty in forming friendships D also exhibits a strong degree of reactive aggression

    asked by Tionda
  112. Math

    Q. marx's clothing store is selling a lot of items. On Monday 495 items were sold. On Tuesday 450 items were sold. On Friday 593 items were sold. Marx's misplaced the totals for Wednesday and Thursday, but the average over the five days was 494 items per

    asked by Destinee
  113. Math questions

    Please Help me! What is 8 3/4 - 5 5/6 =?

    asked by Kalelha
  114. math

    write 1.5 billion as a standard numeral

    asked by patrick
  115. Math

    What is 23 - 4/6 =? Please show all the work.

    asked by Kalelha
  116. Chemistry

    how much vinegar produces 0.240 moles of acetic acid?

    asked by Claire
  117. Math

    Add the following. 2/6 + 3/5 + 2/5 + 4/8 + 4/6 =? Please show all the work.

    asked by Kalelha
  118. health

    ________ may likely lead to aggressive behavior.

    asked by patsy
  119. LA

    What is the prepositional phrase in the following sentence? The food and the extra water were kept in the storage cabinet. A. The food B. and extra water C. were kept D. in the storage cabinet My answer is D. Thank you

    asked by Anonymous
  120. Algebra

    How do I find the cost of a cell phone plan if I use 400 day-timme minutes. is it the cost times the minutes plus contracts if any or just cost times the minutes. Please help me!

    asked by Tracy
  121. physics

    A car's wheel of radius r=50cm goes through 5000rev in 1min. find the car's average angular velocity,and how far it travels along the ground in 1min. The linear speed v and angular speed w of the point of a rotating body are connected by the equation v=wr.

    asked by Sarah
  122. Art.

    1. what is the role of an artist who creates a painting illustraiting a nations victory in war A. to solve a problem B. to glorify the nation. C. to protest the war D. to raise awareness of the war 2. The face that all Incan architecture shares similar

    asked by Anonymous
  123. English1 Pre-Ap

    SO I got this Pretest: Pronoun-Antecedent Agreement packet and it's like 7 pages long front and back and I have no I idea what im doing.

    asked by Anahi
  124. health

    what causes depression?

    asked by patsy
  125. Physics

    A strong lightning bolt transfers about 21.45 C to Earth. How many electrons are transferred? The elemental charge is 1.602 × 10^−19 C.

    asked by Jess
  126. Physics

    A charge q1 = 5 µC is at the origin, and a charge q2 = 4 µC is on the x axis at x = 6 m. Find the force on charge q2 . The Colulomb constant is 8.98755 × 10^9 N·m^2/C^2. Answer in units of N.

    asked by Jess
  127. math

    To needs to cut strip of wrapping paper that are each 9 inches wide.If TV has 2 rolls of wrapping paper that are each 15 feet long,how many 9 inch strips can he cut?

    asked by Olivia
  128. english

    should a person pursue someone who seems not to like them?-with the hope of changing their mind

    asked by Leo
  129. Chemistrhy 110

    How many grams of Na2CO3 must be dissolved in 3.75 L of aqueous solution to yield a molar concentration of 1.75 molar?

    asked by Maria
  130. health

    In 2004, which ethnic or racial group was at a lower risk of suicide for people ages 65 or older?

    asked by patsy
  131. Life orientation

    Show the link between intrapersonal conflict and initiating relationship

    asked by Rabelani
  132. Math

    What is 15 - 7 2/5 =?

    asked by Kalelha
  133. Math

    Part C Matt deposited $311.50 into his account on Nov. 1. After he paid several bills from the account, his account balance was –$5.00. What was the total amount of the bills he paid that resulted in this balance? Explain how you got your answer.

    asked by Anonymous
  134. Physics College

    A heat engine operates in a Carnot cycle between 78.0°C and 340°C. It absorbs 22,000 J of energy per cycle from the hot reservoir. The duration of each cycle is 3.00 s. (a) What is the mechanical power output of this engine? (answer in kW) (b) How much

    asked by Meena
  135. Physics

    We want to find how much charge is on the electrons in a nickel coin. Follow this method. A nickel coin has a mass of about 5.7 g. a. Find the number of atoms in a nickel coin. Each mole (6.02 × 10^23 atoms) has a mass of about 57.9 g. Answer in units of

    asked by Jess
  136. Math

    A bag of balloons contains 2 red balloons, 10 green balloons, 16 yellow balloons, and 7 orange balloons. What is the probability that a randomly selected balloon would be green or orange?

    asked by Noelle
  137. Math Word Problems

    Roger bought a sandwich with half of his money and a candy bar with one fifth of his money. How much of his money did he spend ? Please show all the work.

    asked by Kalelha
  138. health

    During adolescence, girls are ________ as likely as boys to develop depression.

    asked by patsy
  139. Math Word Problems

    If I have 12 brownies and Sue eats 2/3 of them, how many do I have left? Please show me the work.

    asked by Kalelha
  140. Geography

    Which region is named for a major landform? - Is it pacific ?

    asked by Destinee
  141. ~Art~

    what is the main subject of persain landscape art,and what does it communicate about the Persian culture and world view? A~Rivers;they represent life and are central to Persian mythology. B~People;Persian enjoy group gathering and value relationships

    asked by NEED HELP
  142. Science

    which of the following helps ensure a groups access to resources it needs for survival? My answer is D. Territorial Behavior. Please check if this is right?..

    asked by Mystery Girl
  143. Physics

    Zak, helping his mother rearrange the furniture in their living room, moves a 58.3 kg sofa 7.7 m with a constant force of 25 N. What is the work done by Zak on the sofa? Neglect friction. Answer in units of J. What is the average acceleration of the sofa?

    asked by monica :)
  144. science past year

    1.1. A resitance of 1.5ohm is connected in parallel with a resistance of 3 ohm. This combination is connected in series with a resistance of unknown resistance of value R. The circuit is then connected acress a 10 V supply. Calculate: 1.1.1. The value of

    asked by kamil
  145. physical science

    Picnickers see a lightning flash and hear the resulting thunder 9.0 s later. If the storm is traveling at a rate of 15 km/h, then how long, in minutes, do the picnickers have before the storm arrives at their location?

    asked by sandy
  146. Math

    of 50 students surveyed, 22 have a skateboard, and 18 have roller shoes. of those, 6 students have both. how many students have neither a skateboard nor roller shoes?

    asked by Angelina
  147. Math

    tom is scheduling his classes for next quarter. he wants to take three classes, and has the following options: spanish at 9, 10, or 11; music at 9 or 11; math at 10 or 12. list possible schedules he would choose

    asked by bryan
  148. health

    _______ may likely lead to aggressive behavior.

    asked by patsy
  149. spanish Homework

    The directions say... Complete the following sentences with the correct preterit form of the logical verb in parentheses. Here I have listen 3 out of the 15 questions. I am not really sure what the directions are asking me to do. Mis padres me ____ (llegar

    asked by Michael
  150. Math

    Use the figure to answer the following questions. figure for questions 1–3 1. Name a pair of complementary angles. (1 point) angle sign1 and angle sign4 angle sign1 and angle sign2 angle sign3 and angle sign4 angle sign1 and angle sign6 2. If mangle

  151. Language Arts

    Please check my answers to these questions: Which of the following is best defined for drama? story with props, story written be performed by actors, and story with a happy ending. My answer is A. Second question What term describes construction onstage

    asked by caleb
  152. Math

    Explain how the order of operations determines how you simplify a numeric expression. explain the rules for addition, subtraction, multiplication, division, and the use of grouping symbols.

    asked by Sara
  153. math

    in 2010, 25 parents participated in the band booster organization at king middle school. participation increased to 40 parents in 2011 and 55 parents in 2012. if the trend continues, about how many parents can be expected to participate in 2013? i think it

    asked by Angelina
  154. early childhood

    A child’s oral vocabulary is closely related to:

    asked by Anonymous


    asked by Anonymous
  156. Chemistry

    A solution contains one or more of the following ions: silver, barium, and Copper (II). CY 105 student adds sodium chloride to a small sample of the solution of the unknown and a white precipitate is formed. He/she filters out the precipitate and then add

    asked by Allison
  157. ECE

    If you ask a young child to give you a red ball and he brings a blue one, the child does NOT possess the word red in his: A. productive vocabulary. B. receptive vocabulary. C. oral vocabulary. D. growing vocabulary

    asked by Anonymous
  158. ECE

    A child’s oral vocabulary is closely related to: A. his printing ability and scholarship. B. reading comprehension and ease in learning to read. C. creativity and motivation. D. attention span and

    asked by Anonymous
  159. ECE

    Noted early childhood experts worry that preschool reading-skill instruction activities may: A. reduce play time. B. intimidate parents. C. accelerate mental growth. D. lead kindergartners

    asked by Anonymous
  160. math

    how many ways can you choose 3 flavors of yogurt out of five flavors of yogurt

    asked by Anonymous
  161. math

    In a geometric sequence, the sum to infinity is 1.5 and the sum of the first three terms is 14/9. Determine the sequence.

    asked by Thabang
  162. statistics - can someone please Help me

    I have tried for days to figure out how to work this problem. Please help show me how to find the answer. A particular radioactive isotope decays from 210 mg to 182.7 mg in 15 days. Find the half life of the isotope. I can not find any problem that is

    asked by Tina
  163. math

    A set of data is normally distributed with a mean of 455 and a standard deviation of 25. What percent of the data is in the interval 405–455?

    asked by Anonymous
  164. Chemistry

    how to prepare 100.0 ml of 0.2 M solution of sodium hydroxide

    asked by Allison
  165. Math

    Is this correct 3/4 + 1/2 + 1/2= 1 3/4

    asked by Kalelha
  166. Analytic geometry

    find the necessary coordinates of 9x^2-4y^2-18x+8y+41=0

    asked by Aubrey
  167. statistics

    Z-test. How to find critical value for one tail test?

    asked by Anonymous
  168. Math

    Sam needs to cut a piece of sheet metal into 8 pieces. All the cuts are made in the same direction. It takes him 5 min. to make each cut. How many cuts will Sam make?

    asked by Brandon
  169. chemistry

    Find volume (in ml) of 0.3 M solution of sodium chloride containing exactly 3.0g of sodium chloride.

    asked by Allison
  170. Chemistry

    How to prepare 250ml of 0.2 M hydrochloric acid from 2.5 M hydrochloric acid.

    asked by Allison
  171. statistics

    I have tried for days to figure out how to work this problem. Please help show me how to find the answer. A particular radioactive isotope decays from 210 mg to 182.7 mg in 15 days. Find the half life of the isotope.

    asked by Tina
  172. Chemistry

    What is the pH of a solution prepared by mixing 500mL of 2.0M HCN (Ka= 4.9x10^-10) with 500mL of 1.0 M KOH?

    asked by George
  173. Math

    Is 2/3 of 12 = 8

    asked by Kalelha
  174. Probability

    Consider three random variables X, Y, and Z, associated with the same experiment. The random variable X is geometric with parameter p∈(0,1). If X is even, then Y and Z are equal to zero. If X is odd, (Y,Z) is uniformly distributed on the set

    asked by qwerty
  175. Chemistry

    Explain Why some ionic compounds are soluble in water. Explain why non-ionic compounds, such as ethanol or sugar are soluble in water. Explain what a saturated solution.

    asked by Allison
  176. math

    in 2010, 25 parents participated in the band booster organization at king middle school. participation increased to 40 parents in 2011 and 55 parents in 2012. if the trend continues, about how many parents can be expected to participate in 2013? i think it

    asked by Angelina
  177. math

    of 50 students surveyed, 22 have a skateboard, and 18 have roller shoes. of those, 6 students have both. how many students have neither a skateboard nor roller shoes? i don't know how to solve this one

    asked by Angelina
  178. Elective mathematics

    The first three terms of a GP are k-3,2k-4,4k-3 in that order .find the valve of k and the first 8 terms

    asked by Anonymous
  179. Algebra 2

    I need steps on how to complete this please i am so confused and lost. :( Consider the infinite geometric series x e n=1 -4(1/3) n-1. In this image, the lower limit of the summation notation is "n=1". a. Write the first four terms of the series. b. Does

    asked by Sammy
  180. Chemistry

    Find pressure exerted by 2.0g of helium enclosed in a 100.0 ml container at 25 degrees Celsius

    asked by Allison
  181. math

    Marcus is doing a science experiment in which he measures the rate at which bacteria multiply. Every 15 seconds the bacteria double in number. If there are 10 bacteria now, how many will there be in 2 minutes?

    asked by kyle
  182. calculus

    If 3x^2 + y^2 = 7 then evaluate the second derivative of y with respect to x when x = 1 and y = 2. Round your answer to 2 decimal places.

    asked by Jordan
  183. life orientation

    Explain clearly,the similarities and difference between funza lushaka and nasfas

    asked by jimza
  184. College Algebra

    John invested his savings in two investment funds. The $12,000 that he invested in Fund A returned a 3% profit. The amount that he invested in Fund B returned a 10% profit. How much did he invest in Fund B, if both funds together returned a 6% profit?

    asked by Sara
  185. chemistry

    Find volume of carbon dioxide occupied by 1.0g of CO2 at 0 degrees Celsius and pressure 25.0 torr.

    asked by Allison
  186. physics

    A system of 1216 particles, each of which is either an electron or a proton, has a net charge of -5.920×10-17 C. A)How many electrons are in this system (exactly)? B)What is the mass of this system (to three significant digits)?

    asked by Samantha
  187. Chemistry

    Find temperature of 20.0g of nitrogen that occupies volume of 500.0ml at pressure 0.45 bar.

    asked by Allison
  188. finite math

    After rolling a pair of fair, six-sided dice, what is the probability that the sum of the outcomes is at least 4 but less than 12? (Round your answer to the third decimal place)

    asked by rebecca
  189. Chemistry

    Find the Density of xenon of STP

    asked by Allison
  190. Math

    Is this correct 1/3 + 2/3 + 2/5 + 3/5 + 1/2 = Is the answer 1/3 + 2/3 = 1 2/5 + 3/5 = 1 + 1/2 = 2 1/2

    asked by Kalelha
  191. trapezoidal method

    dy dt = 1 + (t − y)^2, t ∈ [2, 3], y(2) = 1 use a step size of h = 1 and the Trapezoidal method to calculate by hand a numerical value for Y1 (≈ y(t = 3)).

    asked by Lee
  192. Pre-Calc.

    You want to make an investment in a continuously compounding account over a period of 20 years. What interest rate is required for your investment to double in that time period? Round the logarithm value to the nearest hundredth and the answer to the

    asked by Julissa
  193. algebra

    Solve the system of linear equations by graphing 3x+y=0 2x-y=5 Graph the system What is the solution of the system of equations?

    asked by Shannon
  194. Chemistry

    At a deep-sea station 200. m below the surface of the Pacific Ocean, workers live in a highly pressurized environment. How much gas at STP must be compressed on the surface to fill the underwater environment with 2 × 107 L of gas at 22 atm? Assume that

    asked by Butterfly Fly
  195. Chemistry

    a solution of 25 ml of HCL is neutralized by 42.5 ml of 0.10 M concentration of NaOH.Need to write a balanced equation for the reaction

    asked by Noah
  196. Planning and Leadership

    Which one of the following is a defensive strategy

    asked by Becky
  197. Math

    Is 1 1/4 + 2/8 = 1 8/32 + 8 /32 = 2 Then 4 1/2 - 2 = 2 1/2 Are these correct

    asked by Kalelha
  198. math

    Hence or otherwise calculte the value of 2 to the power 2010 plus 2 to the power 2012 plus 10 divide by 2 to the power 2009 plus 1

    asked by Futty
  199. Penn Foster

    06042500 Which of the following situations is an example of overall cost leadership? A. A dress manufacturer wants to make its product unique in its category B. A company that manufactures school desks is looking for ways to make its desks less expensive

    asked by Becky
  200. physics

    a car moving at 30 m/s slows to a speed of 10 m/s in a time of 5 s. determine a.) the acceleration of the car (b). the distance it moves in the third second.

    asked by sha
  201. chemistry

    find mass of calcium carbonate obtaqined in reaction of 10.0g of calcium oxide with an excess of carbon dioxide

    asked by Allison
  202. English

    1. They are caring. 2. They are friendly. 3. They are kind. 4. They are considerate =================== Are they the same in meaning?

    asked by rfvv
  203. math

    Hannah and Francine have $120. Hannah and Peter have $230. Peter has 6 times as much money as francine. How much money does Hannah have?

    asked by isyss
  204. History

    1. The Spanish brought the first cattle to America in the 1400s. 1500s.* 1600s. 1700s. 2. Expansion of the railroads after the Civil War made it easier for Texas ranchers to get their herds to stockyards in St. Louis and Sedalia. Dodge City and Abilene.

    asked by SmartyPants
  205. beauty

    why do we as therapist and artists have to abtian clients record

    asked by diane
  206. Penn Foster

    06042500-Planning and Leadership Lesson 2

    asked by Becky
  207. English

    1. How much is it to take the subway? 2. Answer:________________________. ------------------- Q1: In #1 what does 'it' refer to? Q2: What does 'to take the subway' modify? Is 'to take the subway' a noun phrase or an adverbial phrase? Q3: What is the

    asked by rfvv
  208. math

    You are paid $5.75/hr at your part-time job delivering pizzas. You usually earn $1.50/pizza as a tip. Your deductions are FICA (7.65%), federal (11.2%) and state (7.1%) If you work 10 hours and deliver 3 pizzas/hr, what is your gross pay including tips ?

    asked by Scar
  209. Chemistry

    Find the molarity of a sodium hydroxide solution obtained by dissolving 125.0 mg of sodium hydroxide in volumetric flask.

    asked by Allison
  210. chemistry

    10 l of a solution containing 1.5 moles of HI

    asked by David
  211. English

    1. It takes an hour to get there. 2. It takes an hour so as to get there. 3. It takes an hour so that I can get there. ============= Does #1 mean #2 or #3?

    asked by rfvv
  212. Physics

    An object floats in a liquid of density 1.2×10 kg/m3 with one quarter of its volume above the liquid surface. You are required to determine the density of the object

    asked by Kram
  213. English

    1. Today is April 15th. 2. Today will be sunny and warm. 3. Today will be sunny and warm this afternoon. 4. It is April 15th. 5. It will be sunny and warm this afternoon. ================= Which sentences are incorrect? Are they all grammatical?

    asked by rfvv
  214. math

    rosario is arranging her doll collection on 5 shelves. the top shelf has 2 dolls on ti, and each shelf has 3 more dolls than the one above it. how many dolls does rosario have in all?

    asked by Angelina
  215. math

    A cube with length 4cm is divided into 8 identical cubes.How much greater is the combined surface area of the 8 smaller cubes than the surface area of the original cube?

    asked by james
  216. Physics

    If a mass of gasoline occupies 70.01 at 20°C, What is the volume at 35°C?

    asked by Kram
  217. English

    1. She wants to read the comic book. 2. She wants to read the specific comic book. 3. She wants to read comic books. ========================= Does #1 mean #2 or #3? Does she want to read the comic book in a bookshelf, for esample?

    asked by rfvv
  218. maths

    If a car travels first 100 kms by 40 km per hour speed and next 200 kms by 60 km per hour speed,then what is the average speed.

    asked by ram
  219. math

    Sally and Marta had the same number of postcards. After Sally sold 18 pf her cards, Marta had 4 times as many postcards as Sally. How many postcards did each girl have to begin with?

    asked by isyss
  220. chemistry

    find composition of post-reaction mixture if 10.0g of sulfur and 20.0g of iron were reacted in a closed container producing iron (II) sulfide

    asked by Allison
  221. Mathematics

    What is the difference between 12√2 and 12? What is the difference between 6√2 and 6?

    asked by Victoria
  222. Pre-Calc

    I do not know which value I am solving for or how to get there these are the instructions and info given. Use the given conditions to find the exact value of the expression. sinx=(-5/13), tanx>0, sin(x-(pi/3)) There is no question and the answer is

    asked by Seffi
  223. Literature

    I need ideas of tricks that would happen in a truckster take with a lion and a monkey

    asked by Anabelle
  224. chemistry

    find mass of magnesium nitride produced in reaction of 5.0of magnesium with 10.0gof nitrogen. the reaction was carried out in a closed container

    asked by Allison
  225. physics

    a car set out at noon to ride from point a to point b, and another car started at 2 pm on the same day to ride from point b to point a. they met on the road at 4:05 pm, and each car reached their destination at exactly the same time. at what time did the

    asked by steven
  226. chemistry

    find volume of 0.2 M sulfuric acid required to react with 15.0 ml of 0.25 M sodium hydroxide

    asked by Allison
  227. math

    a student in Greece discovers a poetry bowl that contains 28% of its original amount of c-14

    asked by rebecca
  228. finite math

    Suppose that a 4-digit pin number is to be formed with the digits in {0, 1, ,2 ,3 ,4 ,5, 6, 7, 8, 9}. What is the probability that the pin number contains at least 3 odd digits

    asked by rebecca
  229. Math

    What is the answer to ( what is the combined height of 3 nickels, 2 nickels, and 1 nickel?

    asked by Gary
  230. linear algebra- check question

    I just want to make sure my reasoning is correct. Let A be a 7X3 matrix whose rank is 3 a)are the rows of A linearly dependent or independent? I said dependent because a matrix whose rank is 3 means the row rank is 3, but if there are 7 rows then they have

    asked by kirsten
  231. Math

    Write out the partial fraction decomposition of the following rational expression. 1.) 3x^2-7x-2/x^3-x 2.) x^3-x+3/x^2+x-2

    asked by Lele
  232. chemistry

    find the volume of 0.1 M hydrochloric acid required to react with 22.0ml of 0.07 M barium hydroxide

    asked by Allison
  233. Chemistry

    How many moles of NH3 must be added to 1.00 L of solution to dissolve 0.979 g of CuCO3? For CuCO3, Ksp = 2.3 × 10-10.

    asked by Jane
  234. Chemistry

    Are acids or bases suppose to react with carbonates?

    asked by Anonymous
  235. math

    If Benjamin drove at a constant rate, how many milesper hour did he drive?

    asked by Mike
  236. math

    maria throws a ball straight up with an initial velocity of 10m/s what is its velocity at the highest point?

    asked by erika
  237. statistics

    Based on a study of IQs of men and women who play chess competitively, a researcher concludes that playing chess causes people to become smarter. Do you agree with this conclusion?

    asked by slomomo
  238. math

    Nikki's school day last 7 hours, 20 minutes. How many minutes does Nikki's school day last? Explain how you found the answer

    asked by jeremiah