Questions Asked on
December 13, 2013

  1. science

    which of the following could be true of two different species that have a competitive relationship in the same ecosystem? A.one species preys on the other B.they relationship is mutually beneficial C.they share the same niche D.one species benefits, while

    asked by Aaron
  2. Science

    1. Which of the following traits is acquired A. the number of petals that grow in a plant's flowers B. the wing shape of a wild bird C. the ability of some gorillas to use sign language D. a cheetah's ability to run faster than any other animal 2. The

    asked by homework help
  3. science

    if you were looking for an example of a trace fossil, for which of the following might you search? a) footprints and trails b) a whole body preserved in rock c) dinosaur teeth d) a hardened mineral smaple

    asked by victoria
  4. science

    radioactive decay occurs when atoms a) lose mass b) join with atoms of another element c) break down to form atoms of another element d) are exposes to chemical weather

    asked by victoria
  5. the parts of speech

    1. In the following sentence, identify the part of speech of the italicized word. Thousands of years ago, fish were caught in nets and traps. ("and" is italicized) A. Preposition B. Conjunction C. Linking verb D. Pronoun B?

    asked by Beatrice
  6. science

    In an island ecosystem, fox and skunks both hunt mice and toads. Which of the following correctly describes some of these relationships? A.Skunks and mice have a competitive relationship B.Skunks and toads have a predator-prey relationship C.Fox and skunks

    asked by Anonymous
  7. science

    Which of the following best supports the idea that the melting of glaciers in Antarctica is a global environmental threat? A. The melting of glaciers can cause sea levels on Earth to fall. B. The melting of glaciers can change ecosystems in Antarctica. C.

    asked by Anonymous
  8. science

    A biologist studying a desert ecosystem observes that the population of a lizard species increases following a particularly hot, dry period that causes a snake population to decline. What could the biologist hypothesize about the roles of these two

    asked by Aaron
  9. ENGLISH

    The Call of the Wild is a story about a dog named Buck. Buck is a pampered dog who lives with a wealthy family in southern California. During the Gold Rush, Buck is captured, sold, and eventually shipped to Alaska to work as a sled dog. Along the way, Buck

    asked by Beatrice
  10. science

    A nonnative species of animal is introduced into a healthy ecosystem. In its new environment, this species has no predators, although it preys on several native animals in the ecosystem. Make a prediction about the biodiversity and health of this ecosystem

    asked by Anonymous
  11. science

    during the Devonian period,animals that could live on land began to evolve, these animals till spent part of their lives in the water. what were these animals called? a) trilobites b) reptiles c) amphibians d) dinosoars

    asked by victoria
  12. science

    during the Devonian period,animals that could live on land began to evolve, these animals till spent part of their lives in the water. what were these animals called? a) trilobites b) reptiles c) amphibians d) dinosoars

    asked by victoria
  13. science

    during the Devonian period,animals that could live on land began to evolve, these animals till spent part of their lives in the water. what were these animals called? a) trilobites b) reptiles c) amphibians d) dinosoars

    asked by victoria
  14. science

    What is true? A.biodiversity provides additional that raise the carrying capacity of an ecosystem B.biodiversity increases an ecosystem's ability ti withstand changes C.biodiversity makes an ecosystem more difficult to destroy D.biodiversity provides

    asked by Aaron
  15. science

    Earths atmosphere,oceans,and continents began to form during the first several hundred million years of a) The Precambrian time b) The Paleozoic era c) The Mesozoic era d) The Cenozoic era

    asked by victoria
  16. Physics-urgent

    A speeder is driving down the road at a constant 20 m/s, he passes a patrolman parked on the roadside. The patrolman waits 3 seconds, then pursues the speeder, accelerating at a constant 4.0 m/s. How long does it take the patrolman to catch the speeder?

    asked by Kevin
  17. Log Question-Advanced Function

    if you invested money into an account that pays 9% a compounded weekly, how many years would it take for your deposit to double? Using the formula: A=P(1+i)^n

    asked by Jessie
  18. Algebra

    In 1987 a recording artist sold 14,000 albums. In 1998 that same artist sold 4,683 albums. Find the rate of change in record sales from 1987 to 1998.

    asked by Booty 2 Big
  19. physics

    Suppose you are riding a stationary exercise bicycle, and the electronic meter indicates that the wheel is rotating at 9.1 rad/s and that you have been riding for a "distance" of 8.6 x 103m. The wheel has a radius of 0.45 m. For how many minutes have you

    asked by jack
  20. algebra

    At one time, the ratio of in-state to out-of-state tuition at Texas A&M University in college station, TX was about 3:11. About how much was the out-of-state tuition if the in-state tuition at the time was about $2400?

    asked by genny
  21. statistic

    Which of the following behave according to a power model? Select all the apply. 1.Finance 2. Population 3. area 4. Pricing 5. volume 6. bacteria 7. mass

    asked by helen
  22. science

    A salamander is a keystone species in a forest ecosystem with high biodiversity. This species migrates from woodland areas to a local stream to reproduce. If a road is built that cuts off the woodland areas from the stream, what effect will this have on

    asked by Aaron
  23. world geography

    In Iceland and the British Isles, the ocean creates a __________________ . a. mild temperatures c. hot and humid temperatures b. cold and wet temperatures d. hot and dry temperatures

    asked by karen
  24. Health (Ms. Sue)

    1. Compare the two types of pressure to become sexually active. A: The internal pressure one feels to become sexually active comes from within oneself, whereas the sources of external pressures to be sexually active include boyfriends or girlfriends, the

    asked by Anonymous
  25. Operations Management

    Calculate the minimum replenishment time to build 2500 Model A fountains given the following beginning inventories. Use the following information: (a) = weeks

    asked by Zina Collins
  26. science

    What determines the carrying capacity of a particular population by an ecosystem? A.keystone species B.pioneer species C.limiting factors D.renewable resource

    asked by Aaron
  27. statistic

    Which of the following behave according to a power model? Select all that apply.

    asked by helen
  28. algebra

    The United States postal service charges a "nonmachinable surcharge" for first class mail if the length of the envlope (parallel to the address) divided by the height of the envolope is less than 1.3 or more than 2.5. Charlene has an envelope with the

    asked by genny
  29. Math

    The larger angles of a rhombus are twice the smaller angle of the rhombus. If the shorter diagonal is 20, find the perimeter of the rhombus.

    asked by Xinyi panggg
  30. the parts of speech

    1. Choose the correct singular, third person, conjugation of the verb to be in the future perfect tense. A. You have been B. I will be C. She will have been D. They will have been B?

    asked by Beatrice
  31. Math

    On the June 12 interest payment date, the outstanding balance on Delta Nurseries’ revolving loan was $65,000. The floating interest rate on the loan stood at 9.25% on June 12, but rose to 9.5% on July 3, and to 10% in July 29. If Delta made principal

    asked by Anonymous
  32. statistic

    find the linear transformation model of log y^ = 0.6021x + 0.4771.

    asked by helen
  33. Cladograms

    How do scientists use protein sequences or DNA to construct cladograms? How do they find relationships between animals?

    asked by Anonymous
  34. physics

    A shuffleboard disc has a mass of 250g. The coefficient of friction between the disc and the floor is .60. A player pushes the disc applying a horizontal force of 5.0 N for .35 s. How much does the disc weight? What is the frictional force between the disc

    asked by Nil
  35. Geometry

    RS=3X+1,ST=2x-2,And RT=64 Find The Vaule Of X ?

    asked by Tranae
  36. Grammar

    Please check this. 1. We are going to tell John what happened. John= indirect object 2. Are you going to explain to your parents why you arrived home late? (Is this sentence grammatically correct?) Parents=indirect object 3. She isn't going to call us

    asked by Anonymous
  37. LAW

    1. The impeachment exception to the exclusionary rules allows for illegally obtained evidence to be used: A. in serious felony cases. B. to show that a witness’ testimony may be false. C. to show the defendant possessed illegal contraband. D. in cases

    asked by Amy
  38. Math

    Let S be the number of perfect squares among the integers from 1 to 20136. Let Q be the number of perfect cubes among the same integers. What is the relationship between S and Q?

    asked by Mary
  39. college Algebra

    Solve the system, if possible. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter a general solution in terms of x, y, or z.) x + y = 18 y + z = 18 x − z = 0

    asked by Dee
  40. physics

    A shuffleboard disc has a mass of 250g. The coefficient of friction between the disc and the floor is .60. A player pushes the disc applying a horizontal force of 5.0 N for .35 s. How much does the disc weight? What is the frictional force between the disc

    asked by Nil
  41. math

    One company has $200,000 to distribute in dividends. There are 17,000 shares of preferred stock that earn dividends at $0.60 per share and 80,000 shares of common stock. How much per share does a common stockholder receive in dividends to the nearest cent?

    asked by Debbie
  42. statistic

    The data (1, 5), (3, 16), (5, 35), (7, 67), (9, 110) could be modeled as a linear relationship if (2 points) x is transformed to x2 y is transformed to y2 x is transformed to x3 y is transformed to y3

    asked by helen
  43. Chemistry

    Can someone please help me answer these questions? Is additional information other than what is given needed to solve? Thanks in advance. 1) Calculate the PH of a buffer containing 0.100 M propanoic acid, HC3H5O2 and .100 M NaC3H502 after the following

    asked by Charles
  44. LAW

    1. The rule that excludes additional evidence later obtained in an investigation that was the result of an initial illegal search is called the __________________ rule. A. fruit of the poisonous tree B. silver platter C. bad faith D. purged taint im

    asked by Amy
  45. Chemistry

    The relative humidity of air is equal to the ratio of the partial pressure of water in the air to the equilibrium vapor pressure of water at the same temperature. If the relative humidity of the air is 30.% and its temperature is 23°C, how many molecules

    asked by Rad
  46. statistic

    Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)

    asked by helen
  47. statistic

    The data (1, 5), (3, 16), (5, 35), (7, 67), (9, 110) could be modeled as a linear relationship if (2 points) x is transformed to x2 y is transformed to y2 x is transformed to x3 y is transformed to y3

    asked by helen
  48. statistics

    9. Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)

    asked by helen
  49. math

    Find the values of theta (0,2pi) that satisfy sin theta= square root 3 over 2 Solve 2costheta sintheta-sintheta on (0, 2pi) please I really need help in knowing how to solve these questions. quite urgent. I don't understand how to do them at all.

    asked by Temmick
  50. Math

    A square has rotational symmetry because it can be rotated 180 degrees so that its image matches the original. Your friend says the angle of rotation is 180 divided by 4 = 45 degrees. What is wrong with this statement?

    asked by Stephanie
  51. history

    What 2 languages created the swahili language?

    asked by Candy
  52. the parts of speech

    1. Write the verb "see" in the present perfect tense. Use the pronoun "I" as the subject. A. I am seeing. B. I am seen. C. I have seen. D. I see. A? 2. Which kind of adjective is used most frequently in ordinary speech or writing? A. Proper B. Common C.

    asked by Beatrice
  53. math

    A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the

    asked by Beebee
  54. Statistics

    Scores on a certain exam are normally distributed with a mean of 78 and a variance of 25. What is the score obtained by the top 5% of the students? I do not understand the 5% part. What does the tail look like on the bell-shaped graph?

    asked by Julie
  55. science

    hello, I am a grade six student. my question is: What are two types of ocean biome? i answered that in a drop quiz by neritic and oceanic. however , my teacher answered that by fresh water and salty water biomes. I am not convinced. The oceans are salty,

    asked by Ramy E.
  56. Stats

    A random sample of size 100 is drawn from a population with a standard deviation of 10. If only 5% of the time a sample mean greater than 20 is obtained, the mean of the population is ______.

    asked by Matthew
  57. Math

    An equilateral triangle is inscribed in a circle. Each side of the triangle has length x. What is the area of the circle? Please help

    asked by Kizzy
  58. Science

    What is the difference between a heterogenous and homogeneous mixture? And some examples for each heterogenous and homogeneous.

    asked by Candy
  59. Statistics

    For a population with a mean of µ=60 and standard deviation of Ợ=24, find the z=score corresponding to each of the following samples a. M=63 for sample of n=16 scores b. M=63 for sample of n=36 scores c. M=63 for sample of n=64 scores

    asked by Lyndyc
  60. Science

    This is an image of the ocean floor. Identify the list of letters in the answer choices that correctly identifies the following sea floor features in the order they are listed here: abyssal plain, continental shelf, submarine canyon, continental slope here

    asked by Cassie
  61. statistic

    Explain the transformation needed to convert the following data to a linear data set. {(1,0.98), (2,1.39), (3,1.71), (4, 1.98), (5,2.22), (6,2.43)

    asked by helen
  62. MAA Global Science

    A lump of ice falls from a jet plane as it tries to land at an airport. If the ice hits the ground with a vertical speed of 85m/s, what was the height of the plane when the ice fell off.

    asked by Jacob
  63. Math

    Arnold started getting an allowance at his tenth birthday. Each month he got three times as many dollars as he was years old. If he saved 25% of his allowance, how much money would he have saved by the day before his 18th birthday? I got 972 but the way I

    asked by Mary
  64. college Algebra

    Use matrix methods to solve the problem. To use space effectively, librarians like to fill shelves completely. One 105-inch shelf can hold 3 dictionaries, 5 atlases, and 1 thesaurus; or 6 dictionaries and 2 thesauruses; or 2 dictionaries, 4 atlases, and 3

    asked by Dee
  65. Politics

    The typical Democratic voter A. supports limited government B. supports civil rights C. is a corporate CEO D. favors fundamentalist Christian social positions The answer is D

    asked by Anthony
  66. math

    if the price of an item triples the increase is what percent of the new price

    asked by suraj
  67. Help math

    The length of a certain rectangle is quadrupled and the width is tripled. What is the ratio of the area of the new enlarged rectangle to the original rectangle?

    asked by Kizzy
  68. algebra

    Solve the compound inequality. 3a-513

    asked by genny
  69. History

    What were the 2 most important commodities from?

    asked by Candy
  70. history

    The five pillars of Islam include prayer, fasting, faith, alms and what else?

    asked by Candy
  71. college Algebra

    Solve the system, if possible. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter a general solution in terms of x, y, or z.) x + y + z = 7 2x + y + z = 14 x + 2y + 3z = 2

    asked by Dee
  72. Math

    Complete the square to find the vertex of each quadratic function. State the vertex. y=-x^2+5x-3 y= 5x^2+1/5x-10 2x^2+8x-2

    asked by Jessy
  73. teachers aide

    Please someone post the answers of Resources of Educating Young children with Diverse Abilities (PART-3) so i can fix my answer because it's my last exam and i don't want get low mark.please---i am so confused with few answers. Please post the answers!!!!!

    asked by hir
  74. Math

    Arnold started getting an allowance at his tenth birthday. Each month he got three times as many dollars as he was years old. If he saved 25% of his allowance, how much money would he have saved by the day before his 18th birthday

    asked by Mary
  75. Biology

    Why is feedback inhibition a useful thing for enzyme reactions in a cell? Are there biology tutors in this forum??

    asked by Anonymous
  76. History

    All are countries that were prominently Catholic in the 1500's and remain so today except? Spain France Italy Netherlands --- From my research, I see that Spain and Italy's main religion is Catholic. So I assume those two are not it. But I am confused on

    asked by J
  77. Math

    What is the number of different squares which can be inscribed in a given equilateral triangle?

    asked by Xinyi panggg
  78. Math

    An equilateral triangle and a regular hexagon have equal perimeters. What is the area of the triangle, if the area of the hexagon is 120? I don't get it

    asked by Kizzy
  79. algebra

    Solve the compound inequality. -2

    asked by genny
  80. Math

    What is the number of different squares which can be inscribed in a given equilateral triangle?

    asked by Kris
  81. History

    What was Muhammad's goal for the entire Arabian peninsula?

    asked by Candy
  82. vocab

    the new employee had aplomb,he required

    asked by hasan
  83. History

    Islam mean submission and surrender Muslim mean one who surrenders and submits to the laws of God Am I correct?

    asked by Candy
  84. Math

    What is the number of different squares which can be inscribed in a given equilateral triangle?

    asked by Alize
  85. Language Arts-1 question

    4. Identify the participle in the following sentence. The violinist memorized the challenging song for the recital. violinist memorized challenging recital

    asked by Princess Anna
  86. Stastics

    If the population standard deviation is Ợ=8, how large a sample is necessary to have a standard error that is a. Less than 4 points? b. Less than 2 points? c. Less than 1 point?

    asked by Lyndyc
  87. General- In need of advice

    I am in need of blatant advice. I believe certain things. When I have to answer an open or multiple choice question for school that the answer they want me to put directly defies my beliefs and goes against my principles should I answer honestly what I

    asked by Rainshine
  88. Biology

    How many chromosomes are in a human blood cell? What term describes a picture of the human chromosomes arranged in pairs?

    asked by David
  89. History

    Ok the question that I am trying to find the answer to is Who established the Ottoman state? and i did a little research before i post here and I'm not sure if its Suleyman the magnificant or Osman Bey

    asked by Candy
  90. algebra

    The product of a number and -4 is at most 24.

    asked by genny
  91. physics-important fast

    A 1532.9 kg car traveling with a speed of 12.7 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 50.4 m?

    asked by jack
  92. algebra

    -1

    asked by genny
  93. History- Martin Luther King

    Need help with an introduction and thesis to start my paper. "The aspect of the life and work of Dr. King thorough knowledge of his legacy."

    asked by ameme
  94. science

    why it is important to take care of the eyes and go for a regular checkup?

    asked by shana
  95. algebra

    The Mexican tetra requires a water temp between 68 and 77 degrees,inclusive. A auarium is heated 8 degrees so that a tetra can live in it. What temp could the water have been before?

    asked by genny
  96. math

    I need help writing 57/18 as a mixed number. Can somebody show me how to do it .Because I'm not understanding what to do.

    asked by cora evans
  97. statistics

    what is the variance of 18, 16, 12, 2, 11

    asked by donnie
  98. american history

    The 1844 - 1845 was a watershed year because it saw the war with mexico begin. which if the following was not a long-range cause of the conflict?

    asked by Anonymous
  99. Politics

    The least likely contributor to Democratic candidates would be. A. National Organization of Women B. United Auto Workerd C. National Association of Manufacturers D. Sierra Club The Answer is D

    asked by Anthony
  100. statistic

    will you help with my statistic class

    asked by Patricia
  101. History

    what wasa the only crusader that was successful in capturing Jerusalem for the christians?

    asked by Candy
  102. math

    ineed to get anaverage of 0.89 by adding any 4 numbers

    asked by Anonymous
  103. algebra

    7.3=>x/-2

    asked by genny
  104. statistic

    Credit Solutions Corporation 5454 Ruffin Road, Suite 200 San Diego, CA 92123

    asked by helen
  105. English

    I still have a few doubts. Thank you very much. 1) When I go to a party, I generally wear clothes which are smarter than the ones I wear for school. 2) I want to be original and on fashion (is it possible?) 3) What do you think of/about this coat? Are both

    asked by Frank
  106. history current events

    What is Iran's position on stateless people? Also, are there any links or resources where I can find information about this?

    asked by maya
  107. English

    [ms Yardley is an art dealer. The man is going to hand a picture by Picasso.] 'Fifty thousand Euros, Ms Yardley,' the man says. 'I want fifty thousand Euros to get it.' ------------------------------------- What does the last sentence mean? Would you

    asked by rfvv
  108. teachers aide

    19.which one of the following choices represents a correct response in the game Synonym? a.hard/soft b.like/dislike c.road/street d.seventeen/eighteen

    asked by hir
  109. chemistry

    Will tea bag contains caffeine? What is the bad effects if one drink too much tea bags everyday?

    asked by raven
  110. Biology

    Which one has no place with the others? -glormerulus -secretion -filtration -increased blood presure

    asked by Anon123
  111. Business math

    Use the formula or a calculator application to find the monthly payment on a home mortgage of $282.335 at 4.656% interest for 20 years.

    asked by Anonymous
  112. English 10

    I have to a narrative argument about the human nature in the book Lord of The Flies. Any ideas what examples of human nature in the book i can use? please help this is urgent. Please!!

    asked by Emma
  113. maths

    2x+8=18&2x=18-12

    asked by mirage
  114. math

    solve for each of the variables: 3(x+3)/5+y/2/=2z=-1 x/3+5y-2/4+z=0 z-2(y+1)/3-3z=-2

    asked by Anonymous
  115. math

    How would you perimeter of a room that is 4 1/3 yard by 5 2/3, can you explain that to me by showing how you did it.

    asked by cora evans
  116. English

    1. Pierre Valmy -------------------- How do you pronounce 'Valmy'? Do you pronounce the 'l' sound? 2. England are playing France at football this evening. ------------------- is this sentence grammatical?

    asked by rfvv
  117. college Algebra

    Use matrix methods to solve the problem. 120,000 gallons of fuel are to be divided between two airlines. Triple A Airways requires three times as much as Unity Air. How much fuel should be allocated to Triple A? ______ gal

    asked by Dee
  118. Math

    When 14 is divided by 5, the remainder is 4. When 14 is divided by a positive integer n, the remainder is 2. For how many different values of n is this possible. Is listing it out the only way?

    asked by Mary
  119. science very urgent help?

    Susan has heard that taking an over-the-counter ‘energy’ pill, which contains as much caffeine as a strong cup of coffee, makes people feel alert and ‘speedy’. She wonders if taking this pill will make a difference to the reaction times of people

    asked by sam