Questions Asked on
May 1, 2017

  1. Physics

    A box is being pulled along a rough horizontal surface by a rope which has a tension of 10N at an angle of 60 degrees with the horizontal. If the box moves with constant velocity find the frictional force and the normal reaction force given the weight of

    asked by Arusham
  2. Juvenile Justice

    What Juvenile case eliminated the hands-off doctrine for juvenile courts?

    asked by Anonymous
  3. physics

    a helicopter lifts a 72kg astronuat 15m vertically from the ocean by means of a cable. the acceleration of the astronuat is 9/10. how much work is done on the astronuat by; a)the force from the helicopter and b) the gravitational force on her? just before

    asked by pema
  4. Chemistry

    The measured pH of a 0.100M solution of NH3(aq) at 25C is 11.12. Calculate Kb for Nh3(aq)at 25C.

    asked by Anonymous
  5. maths

    Jake is mapping out important family events. He uses negative numbers to represent time before he was born and positive numbers to represent time after he was born. For example, Jake's mum was born in year −20, and Jake's sister was born in year 5.

    asked by Anonymous
  6. Science

    In a bank there are as many coins as the number of molecules in 1.6ug of methane. How many coins are there in the 4 bank?

    asked by Khushi
  7. math

    sam uses a square wrapping sheet to wrap a gift box. The dimension of the wrapping paper are 25×25. calculate the number of wrapping sheets required to cover one gift box.

    asked by Ntando
  8. history

    Outline the origins and effects of the Progressive Movement. How was this movement affected by World War I?

    asked by daddy
  9. Anatomy & Phisiology

    Given: WBC count is 10,000 per cubic millimeter of blood; Blood volume is 5 liters; 60% of WBC are neutrophils; Their average lifespan is 12 hours. Question: How many neutrophils need to be produced every hour on average to keep the count a constant?

    asked by Dan
  10. Math

    The area of the truss us 44 square feet. Find the height of the truss if the shorter base is the same as the height.

    asked by Flo
  11. Physics

    If you were to launch a block with m = 0.500 kg up a ramp with θ = 15ο and µk = 0.30 with a plunger with k = 100 N/m which compresses by 0.040 m, what distance would you expect to travel?

    asked by Mason
  12. Science

    How will resistance change when the voltage increases in an electric circuit if the current remains constant

    asked by Anonymous
  13. economics

    is south Africa a desirable mix or a free trade?

    asked by lindelani
  14. discrete math

    Q: Consider a digital circuit that reads an n-bit input string and writes a 1bit output. Two circuits are considered different if they have a different output for some input string, otherwise they are considered the same (i.e. two circuits are considered

    asked by akash
  15. discrete math

    Q: There are n identical balls and m different bins. Let Bn,m be the total number of way to put n balls in m bins. (a) What are B1,1, B2,1, B1,2, B2,2, B3,2? (b) Express Bn,m in terms of Bk;m-1, for k = 0,….. n.

    asked by akash
  16. Chemistry

    The half life of a radioactive material is 120 months. How much of this material will be left after 350 months if the initial concentration is 2.40M?

    asked by Kay
  17. discrete math

    Q: Count the number of passwords with following constraints. Assuming digits = {0, 1, …..9}, letters = {a, b, ….. y, z} (a) 5 characters which are digits or letters. (b) 4 characters which are digits or letters, with at least 1 digit. (c) 4 characters

    asked by akash
  18. Calculus

    find the area of the region bounded by the graphs of y=-x^2+5x+2 and y=2

    asked by Dloc
  19. discrete math

    Q:You have borrowed $8000 from the bank. Suppose you want to repay a fixed amount of money for each of the following n years (except possibly the last year), and the annual interest rate r does not change in these n years. For example, if r = 10% and you

    asked by akash
  20. Math algebra

    After 15 years ,Ariel's age will become four times that of her present age . Find her present age.

    asked by Vishwanath
  21. Science

    What is similarity between meiosis and mitosis.

    asked by Ibrahim
  22. Decision tool

    (All calculations should be to at least three decimal places) What is the centred moving average that would correspond to Quarter 1 in 2006? Answer should be consistent with the data provided and be to three decimal places e.g. 0.123, 0.456 etc. Please do

    asked by Di
  23. Maths

    Three different numbers have median 2 and range 2. Find the three numbers

    asked by todd
  24. Science

    When the anthers are burst open, they shed a number of . . .

    asked by Nazia
  25. Social Studies

    I'm majorly behind in school right now and I really want to get caught up, but I need some help on this assignment. 1.What effect did John Hay's open door policy letters have on the imperial powers of Britain,France,Germany,Russia, and Japan? A.It provoked

    asked by 腐女子
  26. Maths

    Tshepo is five years older than two times Tanya's age. Jake is three times as old as Tshepo. If Jake is forty five, then how old are Tshepo and Tanya?

    asked by Chanelle
  27. Physics

    a body moving with uniform acceleration travels 84m in First6s and 180m in next 5s . Find the initial velocity and acceleration of body

    asked by Anonymous
  28. maths

    Sample 1, Original Length 250 mm and 10 mm Diameter, Length after testing 250.23 mm the force used for the test was 15KN Calculate the Stress and Strain for each of the Samples and from this and, assuming the material has remained within the elastic limit,

    asked by Anonymous
  29. Math

    If my ladder is 6m long and its foot is 1.5m from a vertical wall how far can the ladder reach up the wall?

    asked by David
  30. Social Studies

    I'm sorry that its so early right now but I'm five S.S lessons behind and I'm really overwhelmed :( In what way did the purchase of Alaska fit with Secretary of State William Seward's foreign policy towards Asia. A.Seward thought the purchase of Alaska

    asked by Silver
  31. GEOMETRY

    4. Find the area of the irregular figure. It looks like it can be divided into 4 shapes. A rectangle,2 triangles, and a square. It is labeled with the numbers 4,16,25,10, and 15. My answer choices are: 432 units squared 438 units squared 650 units

    asked by ComputerChamp
  32. 8th Grade History

    Hey ppl, I need help PLZ!!!!! I have all of the info on The Reconstruction Plans of 1865-1877, I just need help to get the answer of Who's Reconstruction Plan was better??? Was it, Abraham Lincoln's, Andrew Johnson's, or The Radical Republicans????

    asked by Anonymous01
  33. Math

    Factorize these expressions using quadratic trinomials P²+22p+96,x²+18x-63

    asked by Abygail
  34. C++ programing

    Q.3 A shopkeeper announces a package for customers that he will give 10 % discount on all bills and if a bill amount is greater than 5000 then a discount of 15 %. Write a C++ program which takes amount of the bill from user and calculates the payable

    asked by Mubashir
  35. Science

    One light bulb in a string of lights goes out. This causes all the other lights in the string to also go out. This is an example of a?? 1) resistor 2)parallel circuit 3)closed circuit 4)series circuit I think #4. Thanks in advance for your help.

    asked by JAMIE
  36. Calculus

    find the area of the region bounded by the graphs of y=x^2 and y=cos(x)

    asked by Ke$ha
  37. Calculus

    For an object whose velocity in ft/sec is given by v(t) = −2t^2 + 4, what is its distance travelled, in feet, on the interval t = 0 to t = 2 secs? I think the answer is 2.667 but I am not one hundred percent sure.

    asked by Ke$ha
  38. Literature

    Read the sentence, and decide whether the underlined portion contains a mistake. If so, identify the best way to improve the sentence by choosing the appropriate answer choice. If the underlined portion requires no improvement, choose No improvement or

    asked by Ann Marie
  39. statistics

    The U.S. Department of Labor collects data on unemployment insurance payments. Suppose that during 2009 a random sample of 80 unemployed people in Alabama received an average weekly benefit of $201.85, whereas a random sample of 65 unemployed people in

    asked by ayno
  40. statistic

    A random sample of 20 customers who drive luxury cars showed that their average distance driven between oil changes was 3187 miles with a sample standard deviation of 42.50 miles. Another sample of 10 customers who drive compact lower-price cars resulted

    asked by ayno
  41. statistic

    A company sent seven of its employees to attend a course in building self-confidence. These employees were evaluated for their self-confidence before and after attending this course. The following table gives the scores (on a scale of 1 to 15, 1 being the

    asked by ayno
  42. statistic

    According to a June 2009 report, 68% of people with “green” jobs in North America felt that they had job security, whereas 60% of people with green jobs in the United Kingdom felt that they had job security. Suppose that these results were based on

    asked by ayno
  43. PHYSICS

    A concave mirror with a radius of curvature of 0.61 m is illuminated by a candle located on the symmetry axis 2.61 m from the mirror. Where is the image of the candle? Answer in units of m.

    asked by my name
  44. Connections Social Studies help ASAP!!

    Russia's economic development is complicated most by? A) a shortage of energy resources B)an influx of skilled immigrants C)great distances separating resources from markets or D)harsh climates that make most of the land ill-suited for farming*** What

    asked by Madison
  45. Insurance

    Of 500 employees of a firm 280 have a life insurance policy ,400 have a medical insurance cover and 200 participate in both programs. 1)what is the probability that a randomly selected employee will be a participant in at least one of the two programs ?

    asked by Jackie
  46. English

    Write a character sketch of lencho

    asked by nazim
  47. History

    Why did Seward buy Alaska? A)To access Alaskan gold. **B)To kick Russia out of North America.** C)To increase trade in Asia and the Pacific. D)To develop desirable land.

    asked by Anonymous
  48. SS HELP

    Russia's economic development is complicated most by? A) a shortage of energy resources B)an influx of skilled immigrants C)great distances separating resources from markets *** D)harsh climates that make most of the land ill-suited for farming What

    asked by Madison
  49. physic - stress and strain

    Sample 1, Original Length 250 mm and 10 mm Diameter, Length after testing 250.23 mm the force used for the test was 15KN Calculate the Stress and Strain for each of the Samples and from this and, assuming the material has remained within the elastic limit,

    asked by Anonymous
  50. English

    According to Aristotle, an appeal that relies on an audience’s sense of right and wrong is an appeal to ethos, or ethics. an appeal to logos, or logic. an appeal to pathos, or emotion. an anecdote, or a story that illustrates a point. I feel like the

    asked by Fading
  51. math

    A phone company offers two monthly plans. Plan A costs $11 plus an additional $0.17 for each minute of calls. Plan B costs $18 plus an additional $0.15 for each minute of calls.

    asked by Hadriana
  52. Algebra 1

    How many solutions does this system have? y=x+5 y=−5x−1 A. One B. None C. Infinite D. Two** Which best describes a system of equations that has infinitely many solutions? A. Consistent, independent B. Inconsistent, dependent C. Consistent, dependent D.

    asked by Anonymous
  53. History

    What did Missouri, Kentucky, Maryland, and Delaware have in common during the Civil War? A.They all declared their neutrality during the war.*** B.They were all slave states that had remained in the Union. C. They were the first Confederate states to be

    asked by Bobby Adams
  54. Lite

    The Stage Manager sets the scene and introduces each act of the play with a monologue a question-and-answer session the hymn "Blessed Be the Tie That Blinds" stage directions My answer: D

    asked by Ann Marie
  55. math

    Radhika bought 24 dozen eggs .out of them,3/4 were found to be broken. Find the number of good eggs left with her.

    asked by Fraction
  56. chem

    N2H4 is decomposed in a closed container according to this reaction: N2H4 → N2 + 2H2 . If the temperature is constant and the initial pressure of N2H4 is 800mm, what will the pressure in millimeters be after the decomposition to N2 + 2H2? Im having

    asked by tomas
  57. PHYSICS

    A MACHINE HASA VELOCITYRATIO5 IS 80% EFFICIENT. WHAT EFFORT WOULDNEEDED TO LIFT A LOAD OF200N WITH THEAIDOFTHIS MACHINE

    asked by GOLD
  58. math

    A can do work alone in 15 days whereas B can destroy entire work in 20 days. They are working on alternate days with a working on the first day, B working on the second day, then how many days will work completed?

    asked by shalu
  59. maths

    Rectangle ABCD and WXYZ are such that AB=5cm BC=15cm wX=8cm XY=18cm Is ABCD similar to WXYZ? Give reason

    asked by devangi
  60. Population density

    If population density is high in a spot does that mean there will be more people there?

    asked by Madison
  61. math

    if karla invested 12000$ in abc bank for annual rate 3.9 for 6 years with compounded monthly intersted a- how much she got as afuture value at the end of the period ? b- find the value of the interest?

    asked by rania
  62. English

    You called me a bengali... Does it make sense?

    asked by help
  63. MAth

    ina given parallelogram ABCD THE ANGLE BISECTOR OF ANGLE A BISECTS BC .WILL ANGLE BISECTOR OF B ALSO BISECT AD?GIVE REASON.

    asked by DEEPI
  64. MATHS

    A REGULAR PENTAGON AND A SQUARE ABFG ARE FORMED ON OPPOSITE SIDE OF AB FIND ANGLE BCF.

    asked by DEE
  65. math

    i have 8litres of poridge and want to divide it equally and only have tins 5litres and 3litres .solve

    asked by JACQUZI
  66. physics

    Find the coordinate of the center of mass of the bricks shown in the figure.(Figure 1) Express your answer in terms of L. ---L2------> -------------------------------------------> 0 X

    asked by anonymous
  67. Quick question?

    Is anyone good in Spanish?? I take a Spanish class so I need some help!! If not could anyone refer me to a site or something that helps in Spanish?? Thank you!!

    asked by Mickeeyyyy
  68. math

    A swimmer swam 0.8 mi at 0.0323 mi per min in waters created by melted sea ice. What was his​ time?

    asked by Anonymous
  69. Social Studies

    What predication can best be made based on Russia's current population trend? A) Russia is at risk for overpopulation B) Russia lacks the food resources to support the next generation C) Too few young workers will be able to support the Russian economy. D)

    asked by @AmeliaTheGamer
  70. English, AP Language, Shakespeare, AP

    Hey everyone, I have a recent essay to do on Julius Caesar. The prompt is who is the tragic hero. I was chosen to go with Caesar. I have to use 3 points in the essay to defend why he is the tragic hero so far i have: -his tragic flaw: arrogance -his

    asked by gallant
  71. Science

    It is possible that a raindrop that splashes you may be water from a lake you swam in the week before. True*** False

    asked by SwimmerGirl
  72. physics pls help i found answer but its wrong

    Some dragonflies splash down onto the surface of a lake to clean themselves. After this dunking, the dragonflies gain altitude, and then spin rapidly at about 1100 rpm to spray the water off their bodies. When the dragonflies do this "spin-dry," they tuck

    asked by anonymous
  73. Science

    Carbon dioxide, ethanol, and energy are the products when anaerobic respiration occurs in oxygen*** in the presence of nitrogen in yeast cells in an animal cell

    asked by Nikki
  74. physics problem

    You drive down the road at 39 m/s (88 mi/h) in a car whose tires have a radius of 34 cm. What is the period of rotation of the tires?

    asked by sinti
  75. Math

    Amira is painting a rectangular banner 2 1/2 yards wide on a wall in the cafeteria.The banner will have a blue background.Amira has enough blue paint to cover 1 1/2 square yards of a wall.

    asked by Amira
  76. Health pe

    The peripheral nervous system (select all that apply) . Is made up of the brain and spinal cord. . Links the body to the brain and spinal cord *** .is made up of sensory and motor neurons **** . Is responsible for thought and reason

    asked by Anon
  77. math

    answer How do you write a song hat will knock over a cow?

    asked by Anonymous
  78. Science

    which of the following building materials come from renewable resources? Clay Glass*** Metal Plastic

    asked by SwimmerGirl
  79. science

    Hi! Please help as soon as possible! This is my science connections academy test that I took but it restarted. I really don't want to do it again! THANK YOU! 1. Box A is hotter than Box B. After the heat is transferred, they become the same temperature.

    asked by PLEASE HELP SOON!
  80. Calculus

    Which of the following integrals will find the volume of the solid that is formed when the region bounded by the graphs of y = ex, x = 1, and y = 1 is revolved around the line y = -2

    asked by Ke$ha
  81. Math: Geometry

    Of 162 students honored at an academic awards banquet, 48 won awards for mathematics and 78 won awards for English. There are 14 students who won awards for both mathematics and English. A newspaper chooses a student at random for an interview. What is the

    asked by TTUHelp
  82. Physics (I have a test tmrw)

    The half-life of Strontium-90 is 28 a. If 60 g of this isotope is currently in a sample of soil, estimate the amount in the same sample 84 a later. So I did a=60g(1/2)^84/28 But I don't know if thats correct. Thank for your help!

    asked by Laura
  83. physic

    Sample 1, Original Length 250 mm and 10 mm Diameter, Length after testing 250.23 mm the force used for the test was 15KN Calculate the Stress and Strain for each of the Samples and from this and, assuming the material has remained within the elastic limit,

    asked by abdul
  84. pls help physics hw

    You drive down the road at 39 m/s (88 mi/h) in a car whose tires have a radius of 34 cm. What is the period of rotation of the tires? 2pi*34cm/39= 5.4776 rev/ sec is this right or has to be sec/rev

    asked by sinti
  85. Algebra B

    1. simplify the rational expression by rationalizing the denominator? 4 over sqrt 150 __________________ sqrt 189x

    asked by Kay
  86. discrete math

    Q 3: There are n identical balls and m different bins. Let Bn,m be the total number of way to put n balls in m bins. (a) What are B1,1, B2,1, B1,2, B2,2, B3,2? (b) Express Bn,m in terms of Bk;m-1, for k = 0,….. n.

    asked by akash
  87. discrete math

    Q6:What if the bookshelf is circular, that means you cannot choose the first and last books simultaneously? Count the number of ways to choose 6 books out of 20 books on a circular bookshelf such that no two adjacent books are selected.

    asked by akash
  88. discrete math

    Q 7: What is the number of `Hello's printed by the pseudo code below? (for i from lo to hi exhaust i between lo and hi inclusive, and is a empty loop when lo is greater than hi) (a) for i from 1 to n for j from 1 to i - 1 for k from 1 to j - 1 print

    asked by akash
  89. discrete math

    Q 8: Count the number of 01-strings with following constraints. (a) The length is 8. Number of 1s is 2 more than number of 0s. (b) The length is 8. Number of 1s is 3 more than number of 0s. (c) The length is 9. Number of 1s is 3 more than number of 0s.

    asked by akash
  90. science

    Hi! Please help as soon as possible! This is my science connections academy test that I took but it restarted. I really don't want to do it again! THANK YOU! 1. Box A is hotter than Box B. After the heat is transferred, they become the same temperature.

    asked by PLEASE HELP SOON!
  91. Physics

    A hockey puck is given an initial speed of 6.7 m/s. If the coefficient of kinetic friction between the puck and the ice is 0.08, how far (in m) does the puck slide before coming to rest?

    asked by Amir
  92. Walk Two Moons Sharon Creech

    1. Which of the following archetypal patterns best categorizes the Finney Family? A the Sage B The hero C The Villain D The lunatic*** 2. What is the most likely reason Mr. Winterbottom cries at the end of chapter 29? A He is humiliated by Phoebe's

    asked by Madison
  93. Math (written answer)

    C/4-5=4 (c over 4) Please explain how to do this, its a written answer questen and I have no idea how to do it at all..

    asked by Natanna's Bean
  94. math

    if you have 69868859958 and 54647937347484 what would you do to turn that into a fraction

    asked by macy
  95. Environmental Science

    Which type of solid waste is mostly paper, yard waste, food waste and plastics? municipal*** industrial biodegradable recyclable

    asked by M, S, E,
  96. Social studies

    how do markets keep producers from increasing price? Higher princes cause demand shifts Higher prices cause supply shifts Higher prices decrease quantity sold Higher prices decrease consumer demand

    asked by Mackenzie
  97. algebra

    1. simplify the rational expression by rationalizing the denominator? 4 over sqrt 150 __________________ sqrt 189x

    asked by Kay
  98. Social studies

    1. Why do businesses seek an equilibrium price? A. It ensures that competitors cannot offer lower prices B. It attracts the largest possible number of consumers to the business •• C. It provides the highest possible prices that consumers will pay for

    asked by Mackenzie
  99. lan

    You're a Good Man Charlie Brown and "Happiness is a Charming Charlie Brown at Orlando Rep." have very different purposes. In a paragraph, discuss how the purpose of each is revealed and why the purpose of each fits its genre, or kind of writing. Use

    asked by Julio
  100. Maths

    Hasim counted his money. he gave 1/3 to his brother. he spent £12 on his sister. What he had left was half what he had at the beginning. how much did he give his brother?

    asked by Henry
  101. Math

    A machine has an IMA of 6.0 and an AMA of 5.0. What is the work input needed by the machine to raise a 40 kg load by 3.0 m?

    asked by Gabr
  102. walk two moons chapter 26-29

    Which of the following archetypal patterns best categorizes the Finney Family? A the Sage B The hero c The Villain D The lunatic***

    asked by Madison
  103. english

    think about the work you completed in your reading character role determine the ideas that would be most worthy to share in a literary discussion about dragonwings provide and explanation for your choices how did the rule you selected and the work you

    asked by unknownnnnnnnnnnnnn
  104. Social Studies

    1.What was North Korea's response to president George W. Bush's 2001 threat to stop negotiations? A.North Korea immediately gave into his list of conditions B.North Korea resumed to nuclear program C.North Korea sought the help of the United National

    asked by Joseph
  105. Physics

    What does it mean when the position vs. time graph is below the x-axis?

    asked by Anonymous
  106. Physics

    A tow truck pulls a car from rest onto a level road. The tow truck exerts a horizontal force of 1500 N on the car. The frictional force on the car is 810 N. Calculate the work done by each of the following forces on the car as the car moves forward 12 m:

    asked by Laura
  107. Physical Science

    What is the relationship between the temperature of a star and the spectrum of the star?

    asked by Angie
  108. accounting

    The following information was available as of the close of business June 1, 2004 on government of Canada bonds. Coupon...Maturity.....Price.....Yield 5.00%......June 1, 2005......102.35......2.60 10.50%......June 1, 2006......113.91......3.26

    asked by Anonymous
  109. physic

    Sample 1, Original Length 250 mm and 10 mm Diameter, Length after testing 250.23 mm the force used for the test was 15KN Sample 2, Original Length 250 mm and 14 mm Diameter, Length after testing 250.21 mm the force used for the test was 15KN 1. Calculate

    asked by jake
  110. Science

    Can someone explain the idea of "structure affects function" please? And can you please give me an example?

    asked by Anna Santiago
  111. social studies

    which event would benefit toy producers rather than toy consumers. A) a natural resource increases in price B) a toy becomes popular and increasing scarce. C) a market shifts causes people to put more money in saving D) a wider variety of toys from around

    asked by lolo
  112. MAth

    3a +4/4a+4 x a^2 - 6a -7 Asking for the product so confused

    asked by Anonymous
  113. Math

    Right triangle ABC is reflected over AC, then dilated by a scale factor of . Which statements about the two triangles must be true?

    asked by Hannah Renee
  114. Math

    Mallory needs 4 3/4 cups of flour for a bread recipe. She has 2 2/3 cups, how many more cups does she need?

    asked by Sam
  115. Chemistry

    A 0.4671g sample containing sodium bicarbonate (a mono acidic base) is dissolved and titrated with standard solution of HCl acid requiring 40.72cm^3. ( the HCL was standardized by titrating 0.1876NaCO3 which required 37.86cm^3 of acid). Calculate the

    asked by Wisdom
  116. math

    what's the solution for y=2x-1 and y=x+3

    asked by anonymous
  117. dont cheat

    don't cheat because I believe you can get it right I have faith in you and you can do it you should take a chance.

    asked by anthony
  118. MUSIC

    which style period would electronics have the strongest impact on? A)Classical B)Romantic C)Twentieth century D)Baroque

    asked by JOHN
  119. Algebra

    Through how many radians does the second hand of the clock turn between 7:15am and 11:20am

    asked by John
  120. ELA

    What changes might help "Happiness Is a Charming Charlie Brown at Orlando Rep" to take on the general purpose of You're a Good Man, Charlie Brown? 1.more facts and examples 2.appeals to logic 3.a formal style and persuasive language 4.a more informal style

    asked by Help I need Somebody not just anybody
  121. history

    How was Queen Eleanor justified in helping her sons rebel against their father?

    asked by lily
  122. Math

    Vinay made a Password that consists of 3 digits. None of the digits are the same. How many possible passwords did Vinay choose from? Please explain how to solve.

    asked by :3
  123. Algebra2

    Use the graph of y=sin2theta to find the value of sin 2 theta for theta=pi/4. a--1 b-0 c-0.5 d-1 my answer is -1

    asked by Steve
  124. Pre algebra

    Which detail is in the play "Joe magarac" and the "hunkietown contest" that is not in the short story "Joe magarac, man of steel"? A. Mary helplessly watches as the contestant from Johnstown lifts 850-pounds weight. B. The man from Johnstown grabs Mary and

    asked by just that girl
  125. science

    Recall from previous activities in this lesson which era is sometimes referred to as the Age of Mammals. Locate and click on this section of the geologic time scale, and list the other possible names that could have been used to describe this era, and why?

    asked by j
  126. maths

    larry bought a bicycle for $1500 and sold it to make a profit of $300. Express the profit as a percent of the cost price

    asked by indira
  127. Urgent due tomorrow Algebra

    Tom, Dick, and Harry are three brothers and have $107.60 together. Tom feels sorry for hairy because he has less money than Tom. So Tom gives harry $2.10 so they both will have the same amount after the transfer. Dick doesn't know about Tom's gift and he

    asked by Jules
  128. Algebra2

    A pentagon can be divided into 5 congruent triangles. The function y=5 tan theta models the height of each triangle. What is the area of the pentagon if theta = 54 degrees?

    asked by Steve
  129. STATISTICS

    A coin is tossed 99 times. What is the probability of getting all heads? Express your answer as a simplified fraction or a decimal rounded to four decimal places.

    asked by LATISHA
  130. Algebra2

    3tan 1/3 theta=8 in the interval from 0 to 2pi. Solve the equation.

    asked by Steve
  131. S.S

    What is unique about Caribbean sports?

    asked by Jassie
  132. math

    What are two digit number greater than 40 that is divisible by 2 and 3.

    asked by rose
  133. Physics II

    For an object which is 4.0 mm in height located 6.0 cm to the left of a converging lens (positive f) of focal length +9.0 cm, determine the image location and characterize it. Show your work here. No Calculator. Image is located ________________cm to the

    asked by Kendrick
  134. Algebra Help ASAP Please

    Tom, Dick, and Harry are three brothers and have $107.60 together. Tom feels sorry for hairy because he has less money than Tom. So Tom gives harry $2.10 so they both will have the same amount after the transfer. Dick doesn't know about Tom's gift and he

    asked by Bobby
  135. Physics (I have a test tomorrow)

    What power is required to accelerates a 1980kg car from 30km/h to 70km/h against a constant force of resistance of 750N over a distance of 85m. Thank you for your help!

    asked by Laura
  136. Physics

    A 15 kg box is given an initial push so that it slides across the floor & comes to a stop. If the coefficient of friction is .30, A) Find the Ffr Fg=mg=Fg=15(9.8)=147N Ffr=mu(Fn)- Ffr=.3*147N=44.1N B)Find the acceleration. Hint: what is the net force as

    asked by Kayla
  137. Social Studies

    "If we intend to stay hands off to the powers of europe, then sooner or later we must keep to ourselves" What future US policy toward Latin America is suggested by this quotation from Theodore Roosevelt? I was thinking the answer would be: The united

    asked by nope
  138. Language

    Joe magarac, Man of steel 8. In section 1, what does the author mean when he says joe magarac is a folk hero? A. Joe was a real man who spent his whole life in the steel mills of Pittsburgh. B. Joe was a mysterious figure who vanished without a trace. C.

    asked by French Fries
  139. physics

    Determine the frequency and period for a pendulum of length 250cm, mass of 500g, and amplitude of 25cm I don't understand how to do this, help would be appreciated! Thank you

    asked by Angela
  140. Algebra Help please

    Tom, Dick, and Harry are three brothers and have $107.60 together. Tom feels sorry for hairy because he has less money than Tom. So Tom gives harry $2.10 so they both will have the same amount after the transfer. Dick doesn't know about Tom's gift and he

    asked by Alice
  141. Physics

    A 15kg box is given an initial push so that it slides across the floor & comes to a stop. I the coefficient of friction is .30, a) find Ffr- Fg=mg - Fg=15kg(9.8N/kg)=147N Ffr=mu(Fn) - Ffr=.30(147N)=44.1 b) Find the acceleration of the box. Hint: what is

    asked by Kayla
  142. ASL

    1. Nodding your head should be added to which statement or question? (1 point) Who is your brother? Recently, I took an American Sign Language course. Yes, I agree. No, I don’t think so. 2. Shaking your head should be added to which statement or

    asked by I NEED THESE FAST
  143. Math

    What will it cost to frame a picture in the shape of a regular hexagon 52 cm on a side if the framing costs $4.10 a meter?

    asked by John
  144. Environmental Science

    The ash produced when solid waste is incinerated is____________ than the original solid waste. A) less toxic*** B) more toxic C) as toxic D) more recyclable Since the toxins could have been burned away, leaving behind the ash.

    asked by M, S, E,
  145. CHFO2

    explain the observed temperature change upon mixing ethanol and cyclohexane

    asked by Dominique shing
  146. MATH

    A REGULAR PENTAGON ABCDE AND A SQUARE ABFG ARE FORMED ON OPPOSITE SIDE OF AB. FIND ANGLE BCF..

    asked by DEE
  147. chemistry

    A student weighs out a 14.4 g sample of copper(II) bromide, transfers it to a 500 mL volumetric flask, adds enough water to dissolve it and then adds water to the 500 mL tic mark. What is the molarity of CuBr2 in the resulting solution The answer I keep

    asked by Melissa
  148. jnbjln

    What is the pH of 1.00 L of the 0.100 M hydrofluoric acid/0.120 M fluoride ion buffer system from the previous problem after 0.020 mol of NaOH is added?

    asked by kinks
  149. physics

    A circular-motion addict of mass 83.0 kg rides a Ferris wheel around in a vertical circle of radius 11.0 m at a constant speed of 6.10 m/s. (a) What is the period of the motion? What is the magnitude of the normal force on the addict from the seat when

    asked by Prosper
  150. MATH8

    IN A PARALLELOGRAM ABCD, THE ANGLE BISECTOR OF ANGLE A BISECTS BC. WILL ANGLE BISECTOR OF B ALSO BISECT AD ?

    asked by deevi
  151. Marketing

    Amazon has dominated on-line retailing (e-tailing) almost since its inception. It now is an industry leader in cutting-edge supply chain and logistics. Amazon implemented a____________growth strategy. Product/service development Market development Market

    asked by Robby
  152. History

    what was the significance of the moral majority and the "contract with america" please help I'm just stuck on some question.

    asked by anonumuis
  153. math

    If it takes 1/4 an hour to type one page, how many pages can be typed in 3 1/2 hours? The answer is 14, right? But what is the written math equation to solve this?

    asked by Lorraine
  154. Opinion Ques

    how will you welcome a new immigrants? Thanks

    asked by Miyabi123456789
  155. history

    what is one cost that victory in the cold war brought to the united states? please help asap!!

    asked by person
  156. history

    based on this excerpt, what conclusion can u reach about u.s. goals in south africa during the mid 1980's?

    asked by person
  157. Math

    A baby weight 7.25 at birth at the end of a eight months the baby weight 2 and a half times its birth weight how many pounds did the baby weight at the end of eight months

    asked by Anonymous
  158. social studies

    Is Plato now of the teachers of Hippocrates (the Father of medicine)

    asked by Anonymous
  159. history

    what impact did the arab-israeli wars have on the unites staes in the 1970s

    asked by help please!!
  160. Algebra2

    A wave is modeled with the function y = 1/2 sin 3Θ, where Θ is in radius. Describe the graph of this function, including its period, amplitude, and points of intersection with the x-axis. My answers are Amplitude = 1/2 Period = 2pi/3 Intersection= (0,0),

    asked by Steve
  161. English

    Write the best answer. Normally a person of chronic impervious _____, Jim played ping-pong with an uncharacteristic and almost maniacal______. A. composure, inertia B. indolence, alacrity C. serenity, indolence answer: A

    asked by Kimmy
  162. Algebra2

    A sound wave is modeled with the equation y = 1/4 cos 2pi/3 θ. a. Find the period. Explain your method. b. Find the amplitude. Explain your method.

    asked by Steve
  163. history

    which of the following groups best fits the description of terrorist enemies provided by the U.s. state departmentrtment.

    asked by ??
  164. Math

    THERE IS 1/2 A PAN OF BROWNIES LEFT. FOUR CHILDREN ARE GOING TO SHARE IT EQUALLY. WHAT FRACTION OF THE WHOLE PAN OF BROWNIES WILL EACH CHILD GET? 1/2÷4= OR 1/2×1/4= WHAT AM I DOING WRONG ?

    asked by Amber
  165. Algebra

    A farmer raises cows and chickens. The farmer has a total of 21 animals. One day he counts the legs of all his animals and realizes he has a total of 62 legs. How many of each animal does he have?

    asked by Curt
  166. Chemistry

    1. Weight loss from quick-weight-loss diets is generally loss of __________. A) fat B) carbohydrates C) muscle D) water*** 2. What is the recommended maximum percentage of a persons calorie intake should come from saturated fats? 0-5% 15-18% 7-10%***

    asked by M, S, E,
  167. math 107

    You deposit $4000 each year into an account earning 6% interest compounded annually. How much will you have in the account in 30 years?

    asked by shay
  168. Psychology

    I am curious as to how someone who distributes a personality test would be able to decipher who is and who is not telling the truth on the test? If the test is straightforward such as "are you a liar?" obviously that is not desirable and people could just

    asked by Anonymous
  169. math 107

    Suppose you want to have $600,000 for retirement in 35 years. Your account earns 7% interest. a) How much would you need to deposit in the account each month? $ b) How much interest will you earn?

    asked by shay
  170. Language art

    Which of the following passages from the text best illustrates Sal's opinion of phoebe's family

    asked by axe