Questions Asked on
September 17, 2015

  1. Vince

    Please show work for Determine the final end (final) value of n in a hydrogen atom transition, if electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 X 10^-18J? thank you very much for your help

    asked by Joey
  2. Reading/Writing

    Please check my answers to the reading. Reading: MY MOTHER NEVER WORKED By Bonnie Smith-Yackel “Social Security Office.” (The voice answering the telephone sounds very self-assured.) “I’m calling about ... I ... my mother just died ... I was told

    asked by Anonymous
  3. physics

    Three positive point charges of 3.0 nC, 6.0 nC, and 2.0 nC, respectively, are arranged in a triangular pattern, as shown below. Find the magnitude and direction of the electric force acting on the 6.0 nC charge.

    asked by Anonymous
  4. English

    Which of the following is a sentence fragment? A. The first tiny purple crocuses bloomed in February. B. High up in the willow trees in the springtime. C. Covered in snow, the branches reflected the sunlight. Is the answer B? Thank you

    asked by Skylar
  5. English, help please

    In the story my brother's keeper by jay bennett what is the rite of passage?

    asked by XenaGonzalez
  6. Math

    . Lopez has $9118 in her bank account on March 1st. She saves $609 in March. Then she must pay $1011 in taxes in April. Mrs. Lopez is able to save $705 in May. At the end of May, approximately how much greater or less is her account balance than it was on

    asked by Juan
  7. english

    what is the root word for release? what is the prefix and how does the prefix change the meaning? It is driving me nuts.. the word is not re-lease(as re-rent) i think he root IS release.. 4th grade spelling homework. i think it is a mistake or wrong

    asked by edina
  8. Art

    Which element of art is most evident in the drawing of these buildings? Through the use of line, this artist was able to create _ The viewer's attention is directed toward the man's face by Which element helps to give the illusion of great height and

    asked by Schooltastic!
  9. Math

    A spherical vessel used for deep-sea exploration has a radius of 1.50 m and a mass of 1.20 × 104 kg. To dive, the vessel takes on mass in the form of seawater. Determine the mass the vessel must take on if it is to descend at a constant speed of 1.20 m/s,

    asked by Diaco
  10. Math

    The results of a car race are shown. Determine who drove the fastest. Explain. Driver Laps Time (min) Cutwrite 35 84 Evans 42 96.6 Loza 38 102.6

    asked by Anonymous
  11. Language Arts

    Which word has a meaning similar to prodigy? -Statue -Babysitter -Athlete -Wonder**

    asked by Elizabeth
  12. Physics

    A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 17.0 m/s when the hand is 1.50 m above the ground. How long is the ball in the air before it hits the ground? (The student moves her hand out of

    asked by Erika
  13. MATH PROBABILITY

    The probability of a machine producing a defective product is .08. Find the probability that, in a run of 200 products, there are exactly 12 defective products

    asked by Emma
  14. math

    How do you draw a array of 3x9

    asked by Jennifer
  15. astronomy

    If you drop a feather and a steel hammer at the same moment, they should hit the ground at the same instant. Why doesn’t this work on Earth, and why does it work on the Moon? Will it work on Phobos, a moon of Mars?

    asked by nilmar
  16. English

    I need help making a synthesis analysis of Jonathan Swifts "A Modest Proposal". I don't know what to say or write about. I'm really bad at making synthesis. Please help me

    asked by Annie
  17. physics

    An elephant walks east for a distance of 58 km, then walks north for a distance of 16 km and finally north east at 300 for 15 km. Find the magnitude of the elephant’s total displacement in kilometers. now would i find the change in distance by

    asked by Kim
  18. math

    Jared used 1 2/5 bags of soil for his garden. He is digging another garden that will need 1/5 as much soil as the original. how much will he use total?

    asked by sharmour
  19. science

    Which of the following is not a possible cause of mass extinction? A. Geographic isolation B. Failure to evolve C. Meteorite impact D. Temperature reduction i say A

    asked by jamaya
  20. Geometry

    A 6 foot tall fence post a 1 foot shadow. A nearby clock tower cast a 35 foot shadow. what is the height of the tower?

    asked by Lizeth
  21. Math

    A car travels 480 miles on 15 gallons of gasoline. How many miles does the car travel per gallon? My work Myself shows the answer is 32 mi/gal

    asked by Taylor
  22. Math

    An artist is using tiles and boards for a project. A tile has a length of 2/3 ft and width 2/3 ft. A board has a length of 1/2 yd and a width of 1/2 yd. What is the ratio of the length of the tile is the length of the board? What is the ratio of the area

    asked by Sad ...
  23. Algebra

    a student's work to solve 2 6/7 divided by 2/7 is shown below. which of the following statements do you agree with? 2 6/7 divided by 2/7 = 19/7 divided by 2/7= 7/19 times 2/7= 7/19 times 2/7=2/19 cross out the 7 in the first one put a one and cross out the

    asked by nicloe
  24. math

    Train #1 leaves san diego at 4pm. train #2 leaves san diego at 6pm.train #2 travels 42 mph faster than train #1. if train # 2 overtakes train #1 at 8pm, what is the speed of each train?

    asked by william
  25. Maths

    Robert is three times as old as Catherine now. In 8 years time, the ratio of their age will be 2:1. How old is Catherine now? Let x be Catherine's age now. Y be Robert's age now. My answer is in fractions, y =8/3 , it probably is wrong, some help please..

    asked by Jones
  26. Chemistry

    Explain the laboratory preparation of one Litre of 1.3M formic acid buffer of pH 3.9 from solid sodium formate (molecular weight =68) and formic acid liquid 30% pure (Density of formic acid = 1.029g/ml, pKa = 3.75)

    asked by Christy
  27. Geometry

    Point P is located on the segment between point A (1,4) and point D (7,13) The distance from A to P is twice the distance from P to D. What are the coordinates of point P? Just need to know how to solve but don't just leave an answer because there are 3

    asked by Lawyer
  28. Sitintile senior secondary school

    Calculate the height of a cliff PQ if the angle of depression from the top of the cliff to a boat R at sea in the same horizontal plane as Q is 42 degrees the boat is 700 meters away from the foot of the cliff

    asked by Hygiene mathebula
  29. american history

    in a situation like this why might state employment level go up even when federal activity might go down provide at least 1 reason with support

    asked by tammie
  30. Physics

    An aerialist on a high platform holds onto a trapeze attached to a support by an 9.8-m cord. (See the drawing.) Just before he jumps off the platform, the cord makes an angle of 37° with the vertical. He jumps, swings down, then back up, releasing the

    asked by Kevin
  31. U.S. History

    Why do you think canals were more common in the North than in other areas?

    asked by Victoria
  32. math

    A machine produces 75 widgets an hour.How many widgets does it produce in 6 minutes?

    asked by nubia
  33. maths

    At the party Jade ate less than four jelly beans. Nicole ate twice as many jelly beans as Jade. Kahlee had twice as many as Nicole. Chris had two more than kahlee. Chris ate ten jeely beans. How many jelly beans were eaten at the party?

    asked by Anonymous
  34. Math

    A rectangle is inscribed in a circle of radius r. If the rectangle has length 2x, write the area of the rectangle as the product of two functions.

    asked by Beth
  35. Algebra

    a man's age today is 2 years more than three times the age his son will be 5 years from now. let a represent the son's age today. Write an expression to represent the man's age today. Then find his age if his son is now 8 years old.

    asked by Bekah
  36. math help needed!

    Estimate the instantaneous rate of change of the function f(x) = x ln x at x = 1 and at x = 3. (Use h = 0.1, 0.01, 0.001, 0.0001, and so on. Round your answers to four decimal places.)

    asked by Natalie
  37. Physics

    In a 5.00 km race, one runner runs at a steady 11.8 km/h and another runs at 14.7 km/h . How long does the faster runner have to wait at the finish line to see the slower runner cross?

    asked by Nancy
  38. Physics (cone in water) buoyancy

    h ttps ://s.yimg . com /hd/ answers /i /23e5f0847 ba74d75b223556433442f6f_A.jpeg?a=answers&mr= 0&x=1442542068&s =0f4a516a 3f24689d44f 28091e846bb0d link to see part a answer and an image of what is problem is. A cone of density p_0 (rho) and total height l

    asked by Jason
  39. american history

    what do you think would happen to state employment if the federal government decided that rather than passing laws and making state carry them out, it would be simply give the states responsibility for a major social program such as welfare? provide at

    asked by tammie
  40. Math

    The ratio of milk to water in a container is 5:1 by volume. If the total volume of the mixture is 9 liters, find the volume of water in it.

    asked by Noor
  41. Chemistry

    A piece of copper metal (specific heat 0.385 J/g∘C) at 85.6 ∘C is placed in 50.0 g of water at 16.2 ∘C. The metal and water come to the same temperature of 23.6 ∘C. What is the mass?

    asked by Hi
  42. Math

    PLEASE HELP: A bathtub has a capacity of 42 gallons and is completely full of water. Ten gallons of water are drained out. Enter the percentage of gallons of water left in the bathtub. Round your answer to the nearest hundredth.

    asked by jwalkerjess
  43. Grammar

    What is the complete and simple subject in the following sentence? One of the first advocates of medical hygiene and antiseptics was Ignaz Semmelweis.

    asked by Anonymous
  44. Math

    How is the area of a square related to its side length?

    asked by Student
  45. Government

    Can someone help me? Which level of government is better able to protect national unity? Question 2 options: a, City b, County c, State d, United States e, A, B and C

    asked by Camren
  46. Grade 11 math

    What is the slope of a driveway that rises 1.1 metres over a length of 10.9 metres

    asked by Valerie
  47. prealgebra

    translate; the quotient of 41 and the product of a number and 35

    asked by AL
  48. life orientation

    Which bad road use has a direct impact on the physical, emotional, social and economic aspects to the family, the community and the country

    asked by Anonymous
  49. child development

    During the period of the fetus? A.cells began to differentiate. B.most of the bodily structues and organs are formed.c.an insulating.d.very little growth of the fetus occurs. I am think c

    asked by woody
  50. Science

    If the trend in the graph continues through the summer, what would you expect the average high temperature in Louisville, Kentucky , to be in August? Please respond as soon as you can, Thanks!

    asked by Mani
  51. math

    Could someone help me solves these questions? And can you show me how you did it? I can't figure out how to do these ones... I would really appreciate any help. Questions~~ ~ 3x – 19 = -2 ~ 4x - 12x = 62 + 4(11) ~ x/8 + 7 = - 10 ~ 4(5x – 9) = -2(3x +

    asked by Abby
  52. math

    anna is 1/6 his uncles age,12 years to come annas age will be 1/3 his unclrs age.what is the age of the uncle 12 years to come?

    asked by asnath
  53. Math

    Find the base if parallelogram, given its area and altitude A= 96cm²; a= 8cm

    asked by Vanessa
  54. algebra

    i need help with a problem, if not fully explained then i might need help with another problem. I was given the formula for the volume of a sphere i, but i still don't know what to do. if you could explain to me thatll be great. Tanks The radius of a

    asked by anon
  55. U.S. History (Help!)

    I read the website links that Writeacher provided, but I am still struggling to answer the question below. ): Why do you think canals were more common in the North than in other areas?

    asked by Victoria
  56. maths

    Four girls each caught a fish while at the beach. Teri's was double the size of Jane's. Jane's fish was shorter than Lynn's by nine centimetres. Lynn's was 18 centimetres longer than Reina's who caught a fish 30 centimetres long. How long were Teri's

    asked by dana
  57. World History

    1. Which of the following lists of events is in chronological order. A. The Magna Carta, the ratification of the U.S Constitution , the American revolutionary war, romans create the 12 tables.*** B. Romans create the 12 tables, the American revolutionary

    asked by Abby
  58. math

    Basir collected 41/3 baskets of peaches at an orchard. if each basket holds 21 peaches, how many collect peaches did he collect in all?

    asked by sharmour
  59. math

    could someone check my work please? I have to solve for 'x' Questions ~ 1. 3x – 19 = -2 Add ‘19’ to each side of the equation ~ -19+19+3x= -2+19 Combine like terms~ -19+19=0 0+3x= -2+19 3x= -2+19 Combine like terms~ -2+19=17 3x=17 Divide each side

    asked by Abby
  60. art

    Colors are used in the image "Figures Veiwing Lake" to create all of the following except a. emphasis the central figure b. symmetrical balance c. unity d. radical balance*** I think d because it anit balance on each side....can someone plz help me out

    asked by kayla
  61. Math

    Roy had $39.he spent $14 dollars for a bicycle helmet and then he earned $27 for mowing a yard.use the open number line to show how much money Roy has now.

    asked by Florina
  62. Math

    Factorize: 3a(3a-2b)+b^2-c^2

    asked by Noor
  63. maths

    Four children were bouncing balls. Jeff's ball bounced eight more times than Michael's. Michael's ball bounced half as many times as Olivia's. Olivia's bounced eight times. How many times did Jeff's ball bounce?

    asked by Anonymous
  64. grammar

    Select the sentence that is punctuated correctly. Harriet couldn’t study for her comma quiz, because she was asked to open the door for the neighbor, whom the dog wouldn’t leave alone in the backyard. Harriet couldn’t study for her comma quiz because

    asked by Ariel
  65. physics

    whn a body hanging frm a spring balance is immersed in water it floats in water just below the surface of water & shows 100g loss in its weight 1-wht is thw weight of body in water? 2-wht is thw weight of body in air 3-wht is upthrust on the body? 4-wht is

    asked by Riya sood
  66. Devi Mahto collage Nahawadi

    Cao+2hno3 =

    asked by Rahul kumar
  67. Physics

    Two hikers are climbing up a mountain and one throws a first aid kit up to another at an initial velocity of 11 m/s and at an angle of 62 deg above the horizontal. At the moment it is caught, the vertical speed is zero. What is the difference in height

    asked by Sarah
  68. Math

    Race car C travels around a racetrack at a rate of 5 miles per minute. 1. How far will the car have traveled in 20 minutes?

    asked by Hija
  69. community psycology

    How each of “the four acts of qualitative research” would apply to you personally if you was doing this study. for prescription drug addiction

    asked by Sandy
  70. Physics

    A Formula 1 car it heading for a straight piece of track which is 500m long. He is travelling at 220km/h. How long will he take to cover this amount of track? Time = Distance / Speed I'm confused as I don't know whether to change the distance to equal the

    asked by Alex
  71. algebra

    State any real numbers that must be excluded from the domain of the rational expression. Enter your answers in increasing order. 6p2/p2−49

    asked by anonymous
  72. math

    the sum of son and fathers age is 74 years.the ratio of their age was 7:2 since 10 years ago.what is the ratio of their age will stand after 10 year

    asked by age ratio
  73. Isikhalisezwe high

    Illustrate three ways on how this issue can impact negatively to the health of the people in school and community

    asked by Ntokozo
  74. Religion

    which marriages would not receive God's marriage? First thought that comes to mind is homosexuality but I can't seem to think of anything else? maybe arranged marriages?

    asked by Anonymous
  75. chemistry vsper/lewis polarity

    would one consider the molecule NBr3O to be nonpolar or polar? I feel like all of the dipole moments will cancel, when you draw the VSPER structure the Br atom in the plane and out of the plane cancel, however O going up and the Br coming out of the plane,

    asked by paul
  76. science

    What is not present in animal cell if nucleus is absent

    asked by sanjay
  77. Math

    Estimate. Then Find the sum. 740,758 -263,043 ----------

    asked by Linda
  78. analytic geometry

    FINd an equation in x and y that has the same graph as the polar equation r=α sin theta, with α is not equal to 0.

    asked by Anonymous
  79. mamacao elementary school

    In the multiplication at the right, each ĺetter represents a different digit. If A is not zero, what are the values of A, B, C and D? ABC × C Equal D B C

    asked by glaidylrose
  80. english

    What is the simple subject and simple predicate in the sentence We went to lunch with Amar and his friend today.

    asked by Rosa
  81. Business Management 1000

    My assignment was worded oddly and I was just hoping someone can provide clarification for me. I am wondering if my ENTIRE paper needs to be in APA format (which would be odd for 2-3 pg. requirement) or if just the SOURCES need to be in APA Format (in

    asked by Allysin
  82. Intermediate Algebra (math)

    (8x^2y^2+4xy^2-12y^2) ÷ 4xy^2 I received this problem. I was told to divide the rational expression. The problem I am having is I feel like something is missing. I only understand to divide rational expressions we take the first rational expression and

    asked by Steph
  83. United States History

    "Middle Colonies ID's" Describe the social structure of New York

    asked by G
  84. History Grade 8

    Name the possible steps historians use before gathering information. I accidentally left my book in my locker and I don't have it to answer my question. Help is gladly appreciated.

    asked by John Dosley
  85. english

    to celebrate the canned pork product called spam for many years we attended the texas spamarama festival to participate in the spamblaya cook off the spam slab toss the spam relay race and were dancing to such favorite as twist and snout

    asked by Anonymous
  86. algebra

    a 25 foot wire is to be cut so that the longer piece is one foot longer than 5 times the shorter. find the length of each piece thank you!

    asked by lauren
  87. Organic Chemistry

    Assume 1 g of the 3 g is aspirin. Show by calculation that 7 mL of 6 M HCl is enough to completely neutralize the conjugate base of aspirin to the neutral compound.

    asked by KM2017
  88. chemistry polarity

    would one consider the molecule NBr3O to be nonpolar or polar? I feel like all of the dipole moments will cancel, when you draw the VSPER structure the Br atom in the plane and out of the plane cancel, however O going up and the Br coming out of the plane,

    asked by paul
  89. maths

    jemima has twice as much money as matthew. jemima has four times as much money as sally. sally has $3 more than Andrew. If matthew has $14. how much money do Andrew, sally and jemima have?

    asked by Anonymous
  90. community psycology

    A sentence Qualitative Research Method you’d suggest to investigate; this Pulaski sheriff says man charged with kidnapping cut off school bus.

    asked by Amber
  91. U.S. History (PLEASE HELP ME! I HAVE TO GO SOON!)

    Please help me answer the questions below. And yes, I have read the website links that you teachers provided for me. However, I am still struggling to answer these questions. 1. Name at least three key moments in the early 1800s when federal authority

    asked by Victoria
  92. health

    what are four things that effect how many servings a person needs of each food group?

    asked by sasha
  93. math

    Alvins mother wants to buy snacks for the soccer team, there are 10 juice boxes in a pack and 8 oatmeal bars in a pack,how many packs i f each does she need to buy to get the same amount of juice boxes and oatmeal bars

    asked by Tina
  94. Math

    Tim has a rose garden that is three times as long as it's wide. the total length around the garden is 80 feet. tim wants to line the exterior of the garden with paver stones. each paver stone is 2 feet by 2 feet in area. 1) area of the rose garden 2)

    asked by Joanne
  95. Laurens high

    if Sam have $60 to buy cars withand the cars are 4 for $5 how much how many cards can she get

    asked by sam
  96. science

    When a 2.00 g sample of Al2(SO4)3·xH2O is heated to remove all water, a mass of 1.03 g remains. Determine the value of x.

    asked by tim
  97. Daughter of Time

    has anyone read the daughter of time? by josephine tey? I have to say what historical approach she use.

    asked by Mohammad
  98. Math

    Factorize: a^2 -1 + 2b - b^2

    asked by Noor
  99. math

    integrate x(xsin(x)dx from 0 to pi

    asked by ari
  100. Algebra 2

    Fifty four decreased by three times a number is equal to the number increased by 10

    asked by Molly Keegar
  101. Math

    if I have 100 000 each day how many days will it take to get 1 000 000 tysm for helping :D I already did 1 000 50 000 10 000 500 and 100 :)

    asked by HelpMeWithMath
  102. precalc (check answer)

    l(x)=3-x^2 l(x)=7 x=-2 am i correct?

    asked by anon
  103. general

    what is the weight of normal rabbit, cat, dog, lion and tiger?

    asked by Anonymous
  104. Health

    do you agree that certain sport requirements can cause boys to suffer from a poor self-image? What is your feeling about today's emphasis on weight lifting, jogging, and training on gym equipment?

    asked by iren
  105. Math

    3a(3a - 2b) + b^2 + c^2

    asked by Noor
  106. physics

    Results for: In An Ideal Transformer, The Voltage And Current Are 220V,2A And Those In Secondry Are 2000V, IA. The Value Of I Is?

    asked by ansa
  107. Intermediate Algebra (math)

    (8x^2y^2+4xy^2-12y^2) ÷ 4xy^2 I received this problem. I was told to divide the rational expression. The problem I am having is I feel like something is missing. I only understand to divide rational expressions we take the first rational expression and

    asked by Steph
  108. History

    Examples of natural rights in declaration of independence! Please Help

    asked by Sarah
  109. math

    how do you put these decimals and fractions from least to greatest. 2,23.6,-45.2,50,-0.5,0.3,3/5

    asked by Anonymous
  110. math

    Which expression represents the largest number? A. 40.1 3 1026 B. 4.1 3 1027 C. 0.411 3 1026 D. 0.04001 3 1025

    asked by maria
  111. Linear Algebra

    determine whether x=[2,3,4]+t1[1,1,1]+t2[1,2,3] is a subspace of R3 I honestly don't even know where to start. Please, help

    asked by Lid
  112. 8th grade math

    I need help solving this problem. y=14-1/32x. Y is the number of gallons fuel in tank, x is the number of miles driven. tank contains 8.5 gallons of fuel. y=8.5 8.5=14-1/32x

    asked by Jane
  113. Math

    how to answer these types of questions 4x²-4x-1 can you demonstrate using an example please

    asked by Nicholai
  114. english (jurassic park)

    How does the protagonist in Jurassic Park by Michael Crichton (Dr. Alan Grant) change throughout the novel?

    asked by vinny
  115. physics

    if 8.96dm of CO is produced at STP -how many moles of CaCO3 have reacted

    asked by loot barny
  116. Chemistry

    Use the measurements to calculate the volume and round to the correct number of significant figures. 1. .0003303 m 2. 2.0 m 3. 10 m 10*2.0*.0003303 = .006606 Should this be rounded as .007m?

    asked by Anonymous
  117. Algebra

    Find the surface area of a right circular cone with radius of 5cm and height of 12cm.

    asked by Kali
  118. Maths

    What will be the result when zero is raised to a power of zero?

    asked by Edidiong Umanah
  119. Algebra

    In his mathematics class, John has taken 3 tests, each worth 20% of his total grade. His grades on those tests were 92%,83%,and 85%. He has an 100% average on his homework, worth 10% of his grade. All that remains is a final exam worth 30% of his total

    asked by -N
  120. Algebra

    FRODO AND SAM are 17 miles apart and are walking towards each other they meet in 4hrs. find frodos rate if frodo walks 1mph faster than sam.

    asked by Angie
  121. English

    How do I do a synthesis? What steps should I take? I'm lost and confused? What details must I get?

    asked by Bella
  122. U.S. History

    How did the Industrial Revolution change American society?

    asked by Victoria
  123. community psycology

    Qualitative Research Method would you say should be used on this topic ' Police end lockdown at Whitley County Schools

    asked by Amber
  124. Chemistry

    Round to the correct number of significant figures. 1) 6.02/2.23 2.70 2) 18.42/2.34 7.87 3) 35.15/3.10 11.3

    asked by Anonymous
  125. math

    solve each linear equation.. y=x+4 y=-2x+1 I just need help on one of them.

    asked by tina
  126. Math

    What is negative eight classified

    asked by Ivan
  127. science

    20 gm of ice and 20 gm of hot water are mixed. When the ice is melted the temperature of the mixture was found to be 0'C, the temperature of hot taken should be (L=80cal/gm)-

    asked by Abdul Rahman
  128. English

    In go Carolina by David sedaris what conflicts does the narrator face in his personal narrative?

    asked by Daniela
  129. Algebra 2

    Can someone explain this exponential expression problem to me please? (3x/y^3)^-3 So I got the answer (1/27x^3)/ 1/x^9. Is this correct and if not where did I go wrong?

    asked by Lily
  130. Algebra 2

    Can someone help me with this radical expression please? The problem is: √120x^5y^4 So far I've got: √2*√60*√x^4*√x*√y^4 √2*√60*x^2*√x*y^4 = 2x^2y^2√60x Is my answer correct

    asked by Magaret
  131. Homework

    Once implantation is complete, the developmingredients organism is called ? A.fetus b.zygote c.germ disk d. Embryo I am think c

    asked by Woody
  132. math

    2 over 5m-14=9+3 over 5m

    asked by Omar
  133. Calculus

    lim as x approaches pi/4 of (1-cotx)/(cosx-sinx)

    asked by Carin