Questions Asked on
October 6, 2016

  1. chemistry

    A 100-watt light bulb radiates energy at a rate of 100 J/s. (The watt, a unit of power or energy over time, is defined as 1 J/s.) If all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second? okay so i do:

    asked by anon yo
  2. English

    In "The Literature of The Americas," Kimberly Koza writes: "By discovering the literature of out neighbors, we may also learn about ourselves." Keeping that in mind, respond to the next two questions. 26. Choose a selection from this unit, and write a

    asked by Anonymous
  3. Language art

    Consider the main characters from " The Stolen Day and the night the bed fell in a paragraph discuss which character learns the most and which one learns the least. PLZ ANSWER ASAP and yes I have read both stories

    asked by Courtney
  4. Expected Value extended warranty

    A company estimates that 0.2% of their products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of $450. If they offer a 2 year extended warranty for $55, what is the company's expected value of each

    asked by amy
  5. Expected Value

    A bag contains 2 gold marbles, 7 silver marbles, and 23 black marbles. Someone offers to play this game: You randomly select one marble from the bag. If it is gold, you win $4. If it is silver, you win $2. If it is black, you lose $1. What is your expected

    asked by tatiana
  6. Physics

    A dike in Holland springs a leak through a hole of area 0.80 cm2 at a depth of 1.2 m below the water surface. How much force must a boy apply to the hole with his thumb to stop the leak?

    asked by dave
  7. English

    Which are features of myths? Check all that apply. supernatural gods or animals fantastic settings humorous elements that entertain the reader an attempt to explain the origin of the universe characters found in everyday life conflicts between worlds,

    asked by Angel
  8. Social Studies

    compare and contrast the views of the federalist party and the democratic republican party on at least three different historical issues? Can someone help me please

    asked by Adlyn
  9. science

    which of the following is true about photosynthesis

    asked by Erica
  10. SOCIAL STUDIES

    In what areas of North Africa do the majority of the people live and why? I know that they live by the Nile river but why is what don't know plz help I have been doing everything only come here if it's important plz help thank you

    asked by Courtney
  11. English L.A.

    Which of the following best describes an expository essay? a. An essay that uses casual, conversational language. b. An essay that tells a story about a real-life experience. c. An essay that explains an idea by breaking it down. d. An essay that uses

    asked by Dani
  12. Math

    In the diagram triangle xyz is isosceles with xy=xz.Also,point w is on xz so that xw=wy=yz.The measure of angle xyw is

    asked by Navya
  13. english please!!!!

    In the third bank of the river describe the role that father plays in the life of the narrator???

    asked by saliha
  14. SS Checj My ANSWERS Please

    Part A What is the basic independent unit of world politics? a) country b) province c) nation* d) organization Part B Which of the following groups is an example of the basic unit you selected in the previous question? a) people who share a common language

    asked by I like Cats
  15. physics

    a ball rolls off the edge of a tabletop 1m above the floor and strikes the floor at a point 1.5m horizontally from the edge of the table. Find the (a) time of flight (b) initial velocity, (c) final velocity just before it strikes the floor. Plsssss help

    asked by Katty
  16. Physics

    A 1.8×104 kg rocket has a rocket motor that generates 2.8×105 N of thrust. What is the rocket's initial upward acceleration? At an altitude of 5000 m the rocket's acceleration has increased to 6.3 m/s2 . What mass of fuel has it burned?

    asked by kitt
  17. Government

    How is the number of Electoral College seats per state determined? -by the number of delegates assigned to the state -by the total number of House and Senate representatives -by the traditional number signed under the 12th amendment -by giving each state

    asked by Lexi
  18. SOCIAL STUDIES 1 QUESTION PLZ HELP ASAP

    How did European affect Africa during the 18 hundreds how did Africa Africans respond in the 1900 Plzzzzzz help I swear I have read my text read a link about but I still don't understand plz help!!!!!#

    asked by Courtney
  19. Mathematics

    Donations to an annual fundraiser are 15% greater this year than last year. Last year donations were 10% greater than the year before. The amount raised this year is $10,120. How much was raised two years ago?

    asked by KT
  20. SS Help

    1. The U.S. Constitution calls for how many branches of government? A. two B. three C. Four D. Five ????? 2. Which of the following responsibilities are held by the legislative, rather than the executive, branch? Select all that apply. A. writing and

    asked by I like Cats
  21. physics

    On a frozen pond, a 13.9 kg sled is given a kick that imparts to it an initial speed of v0 = 1.81 m/s. The coefficient of kinetic friction between sled and ice is μk = 0.122. Use the work kinetic energy theorem to find the distance the sled moves before

    asked by taylor
  22. History

    Why was the act of toleration enacted? A To ensure African Americans could Maintain their own religious practices B To provide freedom of religion for the Jews C To retain a separation between the church and state D To safeguard freedom of worship to

    asked by Daniel
  23. Spanish

    In Columbia, _______. A. Children are not required to go to school B. Children are required to go to school until they are about 9 C. Children are required to go to school until they are about 14** D. Children are required to go to school until they are

    asked by Anna
  24. mystery number math please help

    This number has 7 digits The digit in the ten thousands place is 9 The digit in the hundreds place is 3 times greater than the digit in the ones place The digit in the millions place is the difference between the tens place and the thousands place The

    asked by Creative kid
  25. Physics

    A circular track has several concentric rings where people can run at their leisure. Phil runs on the outermost track with radius rP while Annie runs on an inner track with radius rA = 0.90 rP. The runners start side by side, along a radial line, and run

    asked by Abby
  26. math

    Max is making trail mix. He combines 2/5 pound of dried fruit and 1/3 pound if mixed nuts. He adds sunflower seeds to make a total of 1 pound. What is the weight of the seeds?

    asked by cooper
  27. math

    rowel designing a mag wheel like, the shown below .he decided to put 6 spokes which divide the rim into 6 equal parts what is the degree measure of each arc along the rim ? how about each angle formed by spokes at the hud ? you design a wheel how many

    asked by obiano98
  28. Physics

    What is the escape speed of an electron launched from the surface of a 1.5 cm diameter glass sphere that has been charged to 10 nC? Which equation(s) would I use?

    asked by Brittany
  29. English

    When summarizing the of a plot, one should notice the key ideas about how the conflict builds.

    asked by Angel
  30. Physics

    As a hiker in Glacier National Park, you are looking for a way to keep the bears from getting at your supply of food. You find a campground that is near an outcropping of ice from one of the glaciers. Part of the ice outcropping forms a 31.5° slope up to

    asked by Morgan
  31. Social Studies

    1 - How does one person become a citizen? (Select 2) - a person is born in the United States - a person of foreign birth is granted citizenship after living in the U.S. for 5 years - a person of foreign birth successfully completes the naturalization

    asked by Lulu
  32. Energy

    If the half life of Ir - 131 is 42 days, how much would be remaining after 168 days?

    asked by katie
  33. Math

    3. Look at the following points. (4, 0), (3, −1), (6, 3), (2, −4) Which are solutions to y = x − 4? Choose all correct answers. (2 points) (6, 3) (4, 0) (3, −1) (2, −4)

    asked by Math Girl
  34. Physics

    A loudspeaker of mass 16.0 kg is suspended a distance of h = 2.00 m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 2.90 m What is the tension T in each of the cables? Use 9.80 m/s2 for the magnitude

    asked by kitt
  35. Science

    begin your discussion by sharing your observations on what organisms need to grow. Also discuss ways in which human activity can impact an organism’s ability to obtain the resources it needs to survive. Share your opinion about how human activity can be

    asked by twenty one pilots lover
  36. AP Chemistry

    Sodium can be extracted by heating naturally occurring salt until it is molten. An electrochemical process is then used to extract the sodium. Cl2 is produced at the anode, and Na is collected at the cathode. 1. Write the half-reactions that occur at the

    asked by Hermela
  37. Math

    A factory that runs 24 hours a day, 7 days a week, has shifts for its workers that are 7 hours long. If a shift starts on Sunday morning at 6AM, at what time does the earliest shift on the next Friday start?

    asked by Johnathon
  38. math

    in which stem do most of the data fall 1 ,2 3, or 4

    asked by eric
  39. Business Math

    Please Help. I have worked and worked on this and just don't seem to undertand what I am suppose to do. Misu Sheet, owner of the Bedspread Shop, knows his customers will pay no more than $115 for a comforter. Misu Sheet wants to advertise the comforter as

    asked by Ruthie
  40. Math

    How do I solve the following word problem : A satellite orbits Earth in a circular path with equation x squared + y squared = 1.44 times 10 to the power of 8. With distances measured in kilometers. Another satellite orbiting in the same plane passes

    asked by Jodie
  41. Amercian Government

    5. Which of the following actions best describes judicial powers in the Unites States? * the Supreme Court judges make new laws. *The president appoints Supreme Court judges. * Supreme Court judges serve in their positions for life. * The Supreme Court

    asked by Becky
  42. Language Arts

    which answer choice contains the past participle of the verb "talk" A)talk B)talking C)had talked****** D)was talking Is this wright?

    asked by anonymous
  43. Science

    My assignment is to make an experiment to investigate the effect different forces have on an object’s motion. And this should test at least one of the laws of motion. Now all I ask is an example of an experiment I could do. I'm having trouble coming up

    asked by Lexi
  44. Business Math

    Working off an 22% margin, with markups based on cost, the Food Co-op Club boasts that it has 5,900 members and a 245% increase in sales. The markup is 49% based on cost. What would be its percent markup if selling price were the base? (Round your answer

    asked by Ruthie
  45. Word problems

    I have some money, I spend half at the bookshop, a quarter at the supermarket and an eighth on sweets. I have £3.25 left.how much did I have to start with

    asked by Joy
  46. Chemisrty

    H3C6H5O7(aq) + 3Na3HCO3(q)---Na3C6H5O7(aq) + 3H2O(l) + #CO2(g) NaHCO3 = 1.00g H3C6H5O5 = 0.76g CO2= 0.5g 1) show that equivalence amount of cirtic acide for 1.00g of sodium bicarbonate is 0.76g 2)Calculate the theoretical yield of carbon dioxide from 1.00g

    asked by Zaza
  47. Physics

    A car starts from rest on a curve with a radius of 150 m and tangential acceleration of 1.5 m/s2 Through what angle will the car have traveled when the magnitude of its total acceleration is 3.0 m/s2 ?

    asked by Abby
  48. Sets & Probability

    Let S be the universal set, where: S={1,2,3,...,18,19,20} Let sets A and B be subsets of S, where: Set A={2,3,5,7,10,11,12,14,16,17,18,19,20} Set B={1,5,8,10,11,12,16,17,19,20} LIST the elements in the set (A∪B): LIST the elements in the set (A∩B) = {

    asked by askla
  49. history PLEASE HELP

    how did geographic conditions shape mesopotamia and egypt

    asked by wanaaaaaswaaaa
  50. Math

    Find the unit rate. Enter your answer as a mixed number. A fertilizer covers 5/6 square foot in 1/2 hours. The unit rate is ____ square feet per hour.

    asked by asiah
  51. Math

    What is 0.26 written as a fraction in simplest form? 26/100 13/50 26/10 13/25

    asked by Josh
  52. physics

    A constant force acts on a 5.0 kg object and reduces its velocity from 7.0 m/s to 3.0 m/s in a time of 3.0 s. Find the force.

    asked by Kiana
  53. Merman High School

    1. A 70-kg box is slid along the floor by a 400-N. The coefficient of friction between the box and the floor is 0.50 when the box is sliding. Find the acceleration of the box.

    asked by Kiana
  54. Chemistry

    Ammonium nitrate, NH4NO3, is used in “cold packs”. Which statement best describes why the products are favored, when the solid is mixed with water? NH4NO3(s) → NH4+ (aq) + NO3- (aq) A) Heat is transferred to the surroundings to lower the temperature

    asked by Bear
  55. LA

    THE BED FELL AND STOLEN DAY WHO LEARNED THE MOST AND WHO LEARNED THE LEAST

    asked by SUE
  56. Algebra

    Solve the system by substitution: -4.5x-2y=-12.15 3.25x-y=-0.75

    asked by Taylor
  57. finance

    John Peterson purchased a bond at a price far below its face value; it that makes no interest payments and will be redeemed at its face value at maturity. In all likelihood, he purchased a(n) __________ bond.

    asked by Debbie
  58. art

    this piece of art primarily represents art that

    asked by eric
  59. english

    What is the theme of the story the king is dead long live the king?

    asked by zai
  60. math

    A pet shop has only birds and dogs.If there are 30 pets and they have a total of 86 legs, how many of the pets are birds? please give me the all answer

    asked by mine
  61. Physics

    Using a simply pulley/rope system, a crewman on an Arctic expedition is trying to lower a 6.17-kg crate to the bottom of a steep ravine of height 23.8 meters. The 55.6-kg crewman is walking along holding the rope, being careful to lower the crate at a

    asked by Morgan
  62. Math

    Susannah purchased 8 5/6 feet of ribbon. How many bows can she make with all that ribbon? Show 2 different ways that you could figure it out. Include at least 1 diagram in your explanation.

    asked by Yasmeen
  63. biology

    amino acid is to protein as fat is to lipid DNA is to RNA sugar is to fat simple sugar is to starch

    asked by kelley
  64. lifespan

    It is generally a best practice for counselors to approach working with youngsters who demonstrate anger, noncompliance, and aggression in which of the following ways?

    asked by hoolen
  65. Physics

    A glacier advances at 7 × 10−6 cm/s. How far will it move in 3.7 y? Answer in units of cm. Plz help! I don't get it.

    asked by Jina
  66. Math

    The lowest common multiple of two numbers is 36,one is 12 what might the other be?

    asked by Lakita
  67. Trig

    Given Tan(A) = 5 in Quadrant III and Sin(B) = ⅔ in Quadrant II, find Cos(A-B).

    asked by Sade
  68. Social Studies

    What are the cordilleras? A) mountains found in the Guyana Highlands B) tributaries of the Orinoco River C) three parallel mountain ranges found in the Andes D) lowland plains found to the east of the Andes

    asked by Alanna
  69. Math

    A school has a new flag that must be flown at least 52 feet high. The current flagpole is 14.5m tall How many meters taller does the new flagpole need to be? Round to the nearest tenth (one meter is about 328 feet)

    asked by Jenny
  70. Trig

    Given Tan(A) = 5 in Quadrant III and Sin(B) = ⅔ in Quadrant II, find Sin(A-B).

    asked by Sade
  71. physics

    a body is moving along +xaxis with uniform acceleration of-4ms2 its velocity at x=0 is 10ms-1 the time taken by the body to reach a point at x=12m is?

    asked by meghana
  72. What is the probability that a randomly

    Here is the probability model for the blood type of a randomly chosen person in the United States. Blood type O A B AB Probability 0.5 0.18 0.03 0.29 What is the probability that a randomly chosen American does not have type O blood? % Round to the nearest

    asked by Anonymous
  73. Chemistry

    Calcium chloride, CaCl2, is used in “hot packs”. When the solid is mixed with water, the products are favored. Based on this information, which of the following is true for the values of ΔH and ΔS for the dissolving process? CaCl2 (s) → Ca2+ (aq) +

    asked by Bear
  74. math

    Match club charges annual membership dues of 100 pesos per member, less 0.50 cantavo for each member over 600 and plus 0.50 centavo for each member less than 600. How many members should give the club most revenue from annual dues?

    asked by zeff
  75. algebra

    Need help in solving this To receive an A grade, a student must average 100 or less but more than 93. If Zane received an A in the course and had five grades of 95, 92, 98, 76, and 100 before taking the final exam, what were the possible grades for his

    asked by jennifer
  76. simple interest and compound interest

    the compound interest on certain sum for the third year and fourth year is rs.1815 and rs 1996.50 respectively. what is the annual rate of interest

    asked by vipul
  77. math please help

    Chris can be paid in one of two ways. Plan A is a salary of ​$450 per​ month, plus a commission of 7​% of sales. Plan B is a salary of ​$681 per​ month, plus a commission of 4​% of sales. For what amount of sales is Chris better off selecting

    asked by Madison
  78. Math

    Larry spent 12/15 hour doing hid assignments while Amado spent 3/4 hour. Who spent more time in doing his assignments? By how much more?

    asked by Axl
  79. Algebra

    Find all points on the x-axis that are 10 units from the point (4,-5).

    asked by Anne-Marie
  80. Physics

    An object with a weight of 150 N hangs from the ceiling as shown in the figure. Find the tension in each string. q1 = 60 degree and q2 = 45 degree Please help ASAP! Type the equation and then substitute the numbers in the equation

    asked by Anonymous
  81. Health

    I plan to practice my tennis drills every day all summer so that I can maintain my #1 seed on the tennis team this year. This is an example of a? 1- performance goal 2- outcome goal my answer is performance goal

    asked by Steve
  82. Social Studies

    SELECT 2 : Of the following choices, which ones are considered democratic values? a. serving in the military b. honesty c. patriotism d. voting in an election Could someone give me a link to help me answer the question please?

    asked by Mimmi
  83. Expected Value??

    Tickets for a raffle cost $14. There were 834 tickets sold. One ticket will be randomly selected as the winner, and that person wins $ $1200 and also the person is given back the cost of the ticket. For someone who buys a ticket, what is the Expected Value

    asked by Anonymous
  84. physics

    A 65.2 kg person jumps from rest off a 3.11 m-high tower straight down into the water. Neglect air resistance during the descent. She comes to rest 1.08 m under the surface of the water. Determine the magnitude of the average force that the water exerts on

    asked by taylor
  85. Chemistry

    Cobalt metal is added to steel to improve its resistance to corrosion.Calculate no. of moles in a cobalt contain 5×10^20

    asked by Tamaq
  86. Math

    A school has a new flag that must be flown at last 52 feet high The current flagpole is 14 m tall How many meters taller does the new flagpole need to be? Round to the nearest tenth (One meter is about 3.28 feet)

    asked by Jenny
  87. Math

    A school has a new flag that must be flown at last 52 feet high The current flagpole is 14 m tall How many meters taller does the new flagpole need to be? Round to the nearest tenth (One meter is about 3 28 feet)

    asked by Jenny
  88. Pre algebra

    A tree casts a shadow 30 feet long. at the same time of day, 5.5- foot-tall Person casts 5 feet long.how tall is the tree?

    asked by Anonymous
  89. physic

    The volume of brass increase as a result of heat by 0.6%, by how many degree was the vessel heated

    asked by isaav
  90. C++

    I am trying to create a program that displays shipping charges for two region codes. The region code has to have exactly 3 characters (the letter A or B followed by two numbers). Display a message if invalid region code is entered. use a sentinel value to

    asked by Anon
  91. Algebra

    A boat company charges a flat fee of $35.00 plus $7.25 per hour to rent a boat. Another company charges a fee of $29.00 plus $10.50 per hour to rent the same boat. Find the number of hours for which the costs are the same. Round your answer to the nearest

    asked by Anonymous
  92. algebra

    Let a, b and c be real numbers such that a^2 + ab + b^2 = 9 b^2 + bc + c^2 = 52 c^2 + ca + a^2 = 49. Compute the value of (49b^2+39bc+9c^2)/a^2.

    asked by Dip
  93. math

    During practice, a basketball player hits 70% of his free throws. If he missed 12 free throws, how many free throws did he attempt during practice?

    asked by shiva
  94. SCIENCE-BONES-NEED HELP

    Do all bones store fat and produce blood cells? And do all bones contain yellow and red bone marrow? Im talking about the hand bones (phalanges, carpals, metacarpals)Thanks!

    asked by Sammy
  95. Algebra

    A hardware store makes a mixed bag of 42 items using screws, bolts, and washers. The cost of screws are $3.00 each, bolts cost $2.00 each, and washers are $1.50 each. The mixture calls for four times as many screws than bolts. The total cost of the mixture

    asked by Anonymous
  96. Astronomy

    Suppose we detect red photons at 674 nanometers emitted by electrons dropping from the n = 3 to n = 2 orbital in hydrogen. The hydrogen is in an interstellar cloud at 5,000 K. If the cloud were heated to 10,000 K, what would be the wavelength of the

    asked by Emily
  97. Math

    If Tyrone tips Sharqueffa $500 and Daquan tips Watermelondrea $600, how much did the trap house earn that night if Cellularphoniqua (the owner) takes 10% of all tips. Please help

    asked by Craig
  98. SCIENCE-BONES-NEED HELP

    Do all bones contain bone marrow? (Im specifically talking about the hand bone) Please give me any information on bones, joints, muscles, ligaments, tendons, cartilage, and changes of the hand. I have some, but I want more info. Please help me! Thanks!

    asked by Sammy
  99. Math

    If Donna uses 4 1/2 meters of fabric, what is the total length of the pieces of fabric left? Thank you

    asked by Helen
  100. Chemistry

    calculate the energy needed to warm the melted ice from 0 degrees celsius to the final temperature of the water

    asked by rosa
  101. social studies

    How were the immigrants of the early 1900s similar to and different from the African Americans of the great Migration?

    asked by massy
  102. history

    where in North America did the mound builders live? A. in the southwest* B. in the Northwest* C. in central Mexico D. in eastern North America 50% chance A. or B.

    asked by F
  103. Math

    A group of people are going to see a musical playing at a theater. Adult tickets are $53.50 and children’s tickets are $19.25. A.) Write an expression to show the cost for x adult tickets and y children’s tickets. 53.50x + 19.25y= B.)What is the cost

    asked by Beck
  104. Math (Continuity)

    Find the x-values (if any) at which f is not continuous. Which of the discontinuties are removable? f(x)=(x)/(x^2-4) I'm not sure how to do this problem but I know that it is not continnous at x=2?

    asked by Ray
  105. Math

    There are 52 chickens and goats in a barn. chickens have two legs, and goats have 4. 128 legs in total. How do set this up with substitution?

    asked by Austin
  106. south high

    a rate of markup of 50% based on selling price is the same as a rate of markup of 100% based on cost. True or False

    asked by Anonymous
  107. math

    A pet shop has only birds and dogs.If there are 30 pets and they have a total of 86 legs, how many of the pets are birds?

    asked by mine
  108. Science

    I need to unscramble these letters to make a phrase rorpsggnloadeeasi

    asked by Judy
  109. History

    Who are some revolutionary war heroes?

    asked by Devin Fisher
  110. physics

    How long would a car take to go from 39.3 m/s to 12.4 m/s with an acceleration of 2.8 m/s2?

    asked by nat
  111. History

    What is an example of the relationship between a Louisiana festival and cultural diffusion? the demonstration of making file powder for gumbo at Creole Heritage day hands-on children activities at Fest for All eating strawberries at the StrawBerry Festival

    asked by Fieroh
  112. Chemistry

    Is the atomic mass or atomic weight on the periodic table written in grams.

    asked by lulu
  113. Statistics

    Let's say that your average monthly charge is normally distributed with a mean of $500 and a standard deviation of $100. The credit card company will call anytime your purchases for the month exceed the 99th percentile. What is the dollar amount beyond

    asked by Stacy
  114. calculus

    find the minimum distance from the point (4,1) to the parabola y^2=4x.

    asked by lj
  115. Math

    Out of the 25 students, 76% have completed their projects. How many students still need to do their projects?

    asked by AlmostStolen
  116. Trig

    Given Tan(A) = 5 in Quadrant III and Sin(B) = ⅔ in Quadrant II, what is the Quadrant of A-B?

    asked by Sade
  117. Algebra

    Square root of X exponent 4 y over 4 Square root of X exponent 2 y exponent 8 equals X exponent 2 over Y exponent 7 equals X -2X-1/3 (WHY?) equals X3/2 square root of y/y exponent 2 (WHY?) *I understand this is the answer, but when I look at what my

    asked by HELP-Algebra
  118. Social Studies

    If a state is outside of the contaguous United States, what does that mean?

    asked by Bad
  119. Math

    4.8x10^3 minus 1.9x10^-1

    asked by Anonymous
  120. Physics

    A cute puppy walks 20 m at 30 degrees north of east and then continues another 45 m at 15 degrees south of east. Find the magnitude of the puppy's net displacement (or the distance from the starting point)

    asked by Mary
  121. Math

    60 ft/s+ ?mi/min

    asked by Jenna
  122. Physics

    a) Calculate the acceleration due to gravity on the planet Mars. I found this to be about 3.7 m/sec^2 b) What would your weight be on the planet Mars if you weighed 130 lbs? c) If you could jump vertically 5 ft on earth, how high would you be able to jump

    asked by Evette
  123. history

    where in North America did the mound builders live? A. in the southwest* B. in the Northwest* C. in central Mexico D. in eastern North America 50% A. or B.

    asked by F
  124. algebra

    Call a positive integer N ≥ 2 “special” if for every k such that 2 ≤ k ≤ N, N can be expressed as a sum of k positive integers that are relatively prime to N (although not necessarily relatively prime to each other). How many special integers are

    asked by Dip
  125. math

    5x3=? A 8-- B 2 C 15 D 4

    asked by Joey
  126. Science

    a bubble be jump straight up with a velocity of 4.0 m/s what is his displacement of after 1.80s

    asked by Marques
  127. Accounting

    Can someone please help me with this? Compare and contrast the primary purpose of the generally accepted accounting principles (GAAP) with the accounting principles of the U.S. Department of Treasury. Is it important to understand the difference to tax

    asked by Patte
  128. english

    What is the moral lesson in the story the king is dead long live the king?

    asked by zai
  129. English-The Giver (book)

    Can someone please give me soome info about the character The Giver? A link to some info would also be great! Thanks and have a good day!

    asked by Amey
  130. calculus

    use Simpson's with n=10 to approx. f(x)= x sin x, 0¡Ü x ¡Ü2¦Ð round to 6 decimal places I know I set up the calculation correctly like this: (pi/15)(f(0)+4f(pi/5)+2f(2pi/5)+...+2f(8pi/5)+4f(9pi/5)+f(2pi) I keep getting a negative answer but I know

    asked by Alex
  131. human groth

    in Bonfenbrenner's model, shyness or agressive behavior can be called

    asked by vic
  132. Physics/Science

    I'm in 7th grade and I have a writing assignment that our teacher said "do your best" as an explanation. My best would be to call out sick the rest of the year! Hear goes. Explain the scientific accomplishments of Stephen Hawking. How dis his

    asked by Kyle
  133. Easy Econ, help!

    Recall the production frontier (ppf) model from intro Econ ( refer to the basic butter and guns graph that could be found on Wikipedia). What are the exogenous variables in this model and what are the endogenous variables? Briefly explain.

    asked by Linda
  134. Physics

    Is this logic correct? Explain why momentum is conserved when a ball bounces off the ground. My logic : The ball strikes the ground with velocity v. As it leaves the ground, its velocity is also v but in the opposite direction.. i.e -v Hence, m*v + m*(-v)

    asked by Gary
  135. math

    Five years after purchase, a machine has a value of $300. The depreciation rate is 26% per year. Calculate the value of the machine when it was bought five years ago.?

    asked by nick
  136. Eng

    In the movie, silence of the lambs, dr.lector says " memory is all I have instead of a view." How can this be used to analyze his motives of crime? I think it may be related to how he is uncounciously being reminded of his past with the memories. But what

    asked by A
  137. College Physics

    Two equal forces, 20 N each, gives you a resultant value of 20 N. What is the angle between the two forces?

    asked by Dayshae
  138. US Government

    Where in the Constitution does it give states equal representation in the Senate and also where is it stated or implied that it established states as vital components of the machinery of government? Please help.

    asked by Stephanie
  139. MATH HELP

    1.Which ordered pair is the solution to y = 2x + 10? a(2, 2) b.(3, -4) c.(-3, 4) d.(1, 6) 2.Solve the following equation: m – 8 = -14 a.m = -6 b.m = 7 c.m = 26 d.m = -4 Solve the following equation: 4/7 x = -16 A)x = 42 B)x = -28 C)x = 23 D)x = -24 Solve

    asked by STUDENT
  140. Calculus 1

    Rick has 1200 feet of fence that he wants to use to enclose a rectangular garden. Find the maximum area the garden can have.

    asked by SAM
  141. physics

    A ladder sits 2 meters away from the side of a house. The top of the ladder rests at 13 meters above the ground. What is the length of the ladder?

    asked by Anonymous
  142. Science,chemistry

    How do I write a balanced half ionic equation of aluminium oxide at the cathode?

    asked by Madlyne
  143. Chemistry

    When excited electron of phosphorus goes in d orbital from p orbital then particularly in which orbital of d (5 coz there are 5 suborbitals in d) that electron goes? And why?

    asked by Parth
  144. math models

    Martin invested $6,500 in a bank at a simple interest rate of 6.5%. How much interest would he receive after 4 years? Use I=PRT

    asked by heidi
  145. Matg

    An equilateral triangle has a perimeter of (33x + 21). What is the length of each side of the triangle?

    asked by Andrea
  146. physics

    A gas occupies 20 dm³at 30°c at 2.5 atm find its volume ayt s.t.p.

    asked by dua
  147. maths

    from the top of a building 10metres high the angle of depression of a stone lying on the horizontal ground is 69degrees.calculate the distance of the stone from the foot of the building in metres to 1 decimal place

    asked by akin
  148. Science

    Are these good scientific questions (they are written in reference to a computer simulation)? 1. How does the range of the object change as the initial speed and drag coefficient get bigger? 2. Does air resistance affect the time taken for the object to

    asked by Anonymous
  149. Health!

    What motion does a saddle joint allow? What movement does a pivot joint allow? (please don't say pivotal) Thanks. :)

    asked by Mariam
  150. Math

    38% as a fraction in simplest form?

    asked by AlmostStolen
  151. Pre-Calculus

    Given Sin(A) = ⅗ and Cos(B) = 8/17 in Quadrant I, find Cos(A+B).

    asked by Sade
  152. Math

    there are 26 green,30 white,30 purple,14 blue what would be the minimum number for the blue to be 24%

    asked by Jocelyn
  153. Math (Expanding logarithms)

    Use the properties of logarithms to expand this functiion? ln[ (x^2+1) (x-1) ] So assuming this is a multiplication problem, I would be using the product rule for expanding logs. I tried applying the product rule but I'm not sure if this is correct or not?

    asked by Ray
  154. physics

    in tug of war there are tow teams..one team weigh 500 kg and other team weigh 600kg and the distance between them is 22 m.where will the two teams meet

    asked by aakanksha
  155. Physics

    The figure shows an Atwood machine (a wheel suspended from the ceiling with two masses connected by a string) with m1 = 1.0 kg and m2 = 1.1 kg. If m2 descends a distance 3m from rest in 3.6 seconds, what is the strength of the gravitational field, g, at

    asked by Anonymous
  156. physics

    a particle which has zero rest mass and non zero energy and momentum must travel with a speed?

    asked by Samm
  157. Math

    If P(a

    asked by Grace
  158. Science

    what weight of NaCl is needed to prepare 200mls of a 250ppm Na solution?

    asked by martina
  159. for all mathematicians

    Maxima/Minima Problem 3 An ellipse having perimeter of 2015π is to be draw on a paper whose sides are 2020π x 2020π. If you want to land the tip of your pen exactly to the perimeter of the ellipse, find the maximum probability of doing this. Express

    asked by zeff
  160. Ashford

    4x + 3 < 16 or –2x < 3 one-Variable Compound Inequalities

    asked by Meme
  161. math please help

    Solve. 3 ​|4x−3​|−3=8 I keep getting the wrong answer please help me

    asked by Madison
  162. physics

    If a vector K has component Kx = 4.1 and Ky = -13, then find the magnitude K and direction (as a positive rotation angle relative to the +x axis) of the vector.

    asked by Mary
  163. math

    Let S be the locus of all points (x, y) in the first quadrant such that (x/t)+(y/(1− t))= 1 for some t with 0

    asked by Dip
  164. Math

    If 5 tomaties cost 2.00 ehat is the unit price of the tomatoes

    asked by Fantasia Burnette
  165. physics

    South Carolina WR Alshon Jeffery destroys the defense and makes the catch on the Hail Mary pass and dives into the endzone for the TD. (Intermediate Level) Assuming he ran at a constant velocity what is the minimum velocity Alshon would have had to run in

    asked by joe
  166. Math

    3x + 9 = 7x - 11 How do I solve this?

    asked by Beck
  167. physics

    a 5cm object is placed 50cm grom a converging mirror whose focal length is 20 cm. find the position and size of the image. Draw a ray diagram.

    asked by kaira
  168. Chemistry

    what are dipoles?

    asked by Anonymous
  169. Science (grade 7)

    our topic is cell -it is the main component of the plant cell wall

    asked by someone
  170. Geography

    During the formation earth , from where does the water came ?

    asked by Tamaq
  171. beast mode question

    Beastmode Question You see me twice a minute, thrice an hour and geometrically equal to the time elapsed. If the sun rise at x m/sec and the cloud run through the sky at y m/sec, find the maximum RADIUS OF THE EARTH.

    asked by zeff
  172. Pre-Calculus

    Given Tan(A) = 5 in Quadrant III and Sin(B) = ⅔ in Quadrant II, find Cos(A-B).

    asked by Iris
  173. Math

    Mrs. Bryant has a 1-year-old son who is 62.5 cm tall. Mrs.bryant want to see if her son's height is above or below average. She has a table of average heights for children the table shows the average height for a boy of that age is 28 inches.how many

    asked by Jenny
  174. optics in physics

    acorridor is lighted by 4 lamps s10cm apart and suspended at a height of 5m above the centre of the floor. if each lamp gives 200cp in all directions below the horinzontal, find the illumination at the point on the floor mid-way between the second and

    asked by james ugbes
  175. number theory

    Let a and b be integers (not necessarily positive). Prove that (a^3 + 5b^3) not equal to 2016.

    asked by Dip
  176. Math

    2/30 as a percent?

    asked by AlmostStolen
  177. Math

    Claudia is arranging seating for her sorority's fall banquet. She has to sit 7 seniors, 5 juniors, 9 sophomores and 3 freshmen at the end banquet table. What is the probability members of the same class will all sit together? 7!x5!x9!x3!= 1.317x10^12 Am I

    asked by Irene
  178. maths

    ∫1/2a^2(1+cos2@)d@ integrate thanks

    asked by pjy
  179. Pre-Calculus

    Given Sin(A) = ⅗ and Cos(B) = 8/17 in Quadrant I, find Sin(A+B).

    asked by Iris
  180. Biochemistry

    What joins two lipids?

    asked by Nims
  181. Math

    in which system do most of the data fall 1 ,2 3, or 4. plzzzzz help me

    asked by eric
  182. maths plz

    ∫√(x²+1)/(x+1)dx plz show step i know it messy plz i really need it

    asked by Anonymous
  183. Math

    53% as a decimal?

    asked by AlmostStolen
  184. math

    every digit in 8,999 is greater than any digit in 24,005.explain why 24,005 is greater than 8,999.

    asked by nawaf