9th Grade

  1. 9th grade
    Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How old is each now?
  2. 9th grade
    Explain what is meant by the "dual nature" of light
  3. 9th grade algebra
    This is for my daughter. find the product of x^2 -4/5 X x + 2/x - 2 could you please show us the work so we can try to understand how it works?
  4. 9th grade
    what is the difference between homologous and vestigial structures and how do they support darwins theroy of eveolution
  5. 9th grade algebra
    How do I sketch the graph of this equation? h=-08t2 + 10t
  6. 9th grade - Algebra???
    how do i turn the following equations into standard form? -14x = 24 + 18y y = 9/2x - 7/2 -3y = -6 + 6x -20/3 = 5y + -5x y = 3/2x + 5
  7. 9th grade Earth Science
    What factors do you believe influences the weather of Rochester, NY?
  8. 9th grade
    hoq to solve equations using the quadratic forlmula. ex. 2Xsquare -7X +5=0 please ehlp
  9. 9th grade weighte average
    how should i do weighted average
  10. 9th grade
    one method that the sumerians used to survive and overcome the limitations of their geographical enviroment was?
  11. 9th grade
    Analogies Anemia is to blood AS concussion is to _________
  12. 9th grade
    My question is on Distributive Property, I need help on the following questions. 1. 3(u+v) 2. 4(2+5s)+3 3. 1(a+2j+12k) 4. 15(ab+3c) 5. 2(a+2b)+3(2a-b) 6. 3(e-4f-ef) Thanks
  13. 9th Grade English
    Is this the correct abbreviation for instructor (instr)
  14. 9th grade algebra
    how do you solve and graph variable inequalities?
  15. 9th grade
    A 5-kg rock is lifted 2 meters in 5 seconds. How much work is done? How much power is done?
  16. 9th grade Health
    I have to know what recommendations concerning starch in our diet, and the chemistry of starch as well. Please help?
  17. 9th grade
    can you help me with finding the rate of change and slope in algerbra 1?
  18. 9th grade
    must there be an unbalanced net force acting on any moving object?
  19. 9th grade
    wich one is the (SI) unit temperture? kelvin fahrenheit joules celsius thank you
  20. 9th grade
    What led to Germany's decision to sign the armistice
  21. 9th grade science
    What foods have all 3 organic compounds and are good for health? And why?
  22. 9th grade
    ms.sue whats the answer?to my question? Thanks,Daves dad
  23. 9th grade
    using only 15 of these letters,tlpuytsiaaganbrnlrog,what do you call a female bug that floats?
  24. 9th grade science
    what do you call a female bug that floats?
  25. sra McGuin
    Hi - where would I scan these to - thanks again my child thinks you are the best - nice to see people who make such a positive impact on kids. 9th grade and all honors classes is tough.
  26. sra JMcGuin spanish
    Hi This is sam's mom - you have helped my child enormously - Whenever work is done with you the grade is amazing. Finals ae coming up and I think you are close to us. We live on the west side and go to school in the valley. SO anywhere would be convenient - We have a tutor for...
  27. 9th grade
    what is one obstacle that both martin luther king and richard wright address in i have a dream and black boy.
  28. 9th grade american government
    What is required to become secretary of state? How it affects our govt? Job description? Salary? When 1st established? Where located? Why is it important?
  29. 9th grade
    Can you give me the city build by a man that last name is the great?
  30. 9th grade science
    balance Al+CuSO2=Al2(SO4)3+Cu
  31. 9th grade
    Name 3 of the factorsleading to greater imperialistic activity troughout the world
  32. 9TH GRADE ALGEBRA
    solve for the variable ã(square root) ãy+6 - ãy = ã2 would i square both sides first? im stuck
  33. 9th grade geography
    What are some motives for conflict that have affected the balkan paninsula for centuries? I need four
  34. 9th grade chemistry
    what is the name for CsF? i had cesium flouride but it's wrong... help?
  35. 9th grade chemistry
    Is the name for CuH2PO4 copper dihydrogen phosphate? I don't really understand the ones with the H2 in them... thanks
  36. 9th grade chemistry
    fill in the name or formula for the oxyanions of chlorine the only one i need help with is the name for [ClO4]-
  37. 9th grade
    would you expect the following atom to gain or lose electrons when forming ions? what ion is the most likey? The atom is In how would i do this?
  38. 9th grade
    Living Enviornment: 1) Why does a hormone not affect cells other than its target cells?
  39. 9th grade SPANISH
    venezuelan influences on AMERICA(like CULTURE,LANGUAGE,ECONOMICS,etc.)need b4 2morow
  40. 9th grade
    What are the pros and cons of coal-fired power plants?
  41. 9th grade
    find the unit rate 3 tablespoons for 1.5 serving how do u do it??? helpp thanks
  42. science
    Can anyone think of a fun experiment to do with blood for a 9th grade science class? Try not to be too flashy-my teacher has a rather limited budget
  43. 9th grade earthspace science
    how do you decribe condinsation on a glass of a cold beverage on a warm day as?
  44. 9th grade
    i need more infor on literal equations solve ofr s: y= 3(t - s)
  45. 9th grade Lit. B
    What are the type of clauses? Give examples of clauses.
  46. 9th grade english
    Can you help write an extended metaphor comparing me to an m & m?
  47. 9th grade
    tell how each of the follwoing pairs of terms are related. mass: matter
  48. Math - 9th grade
    A company has a 22% profit margin, and has employee fraud of $220,000. Calculate the additional revenue to offset the lost income. Thanks.
  49. 9th grade
    English: I need help writing a skit on a greek myth, primarily about Thesis.
  50. 9th grade
    How do you calculate the velocity of a quarter dropped from a tower after 10 seconds?
  51. 9th grade
    what is nickel's state of matter at room temperature
  52. 9TH GRADE SCIENCE
    A car takes 3.6's to accelerate from 11m/s to 24 m/s. What is the car's Accelerationi in Meters/s?
  53. 9th grade
    ineed help! why did robert hooke's cork cells appear to be empty?
  54. biology 9th grade
    trying to find information on why the six kingdoms classifications changed to 5?
  55. 9th grade
    My son needs help with this question. Please help. Write a function rule for each table. x | f(x) 1 | 0.5 2 | 1 3 | 1.5 4 | 2 Any and all help is greatly appreciated since this is something that I am not familiar with.
  56. 9th grade Eng. Honors
    How does the mood of a story affect the outcome?
  57. 9th grade Eng pre ap
    This question deals with the the 4 verb tenses By the climax, thr central character in the novel accepted his responsibility HELP!
  58. health
    health concerns fron 1990 to 2010 for 9th grade heath class homework
  59. 9th grade
    explain how each value in the addition table changes when you move up 5 rows and left 3 columns
  60. 9th grade technology discovery
    i'm doing a career report and i need a good website to get info on nuclear power workers. ex: outlook , description , ect
  61. 9th grade technology discovery
    i'm doing a career report and i need a good website to get info on nuclear power workers. ex: outlook , description , ect
  62. 9th grade
    x,1,2,3,4,5 y,15,30,45,60,75 question 1 x,1,2,3,4,5 y,15,30,45,60,75 question 2 find the slope of each equation
  63. 9th grade
    what divides the earth into the northern and southren hemispheres
  64. Satire-Writeacher
    Is this a good start? Yesterday I was the photographer for a small court house wedding. As I was waiting for the couple to finish the necessary paperwork for a legal marriage, I couldn’t help but overhear the daughter of the bride, a 9th grade student, complaining about ...
  65. 9th Grade English
    can you tell me the rest of this saying? Knowledge is power~ If you learn to use it wisely you will also gain ______ _________ _______ .
  66. Algebra1234567890!
    (-mn8)3 would it be: -m^3n^3164 (-mn8)3 = -24mn Without carrots I have no idea where your exponents are. how?I don't get this one? Is this Sandro from Mrs.Pfeiffer's class?What grade are you in? Leo is saying you need to use carets to show an exponent. As you have written it...
  67. 9th grade math
    Given the following functions f(x) and g(x), describe the changes (horizontal shifts, vertical shifts, etc.) to the graph of g(x) with respect to the graph of f(x). * 3 points f(x)=lxl g(x)= -lx+3l-2
  68. Really quick LA question
    How many paragraphs does a typical 9th grade compare-and-contrast essay have? Is the structure intro, body(compare), body(contrast), resolution? Thanks!
  69. 9th Grade Math
    You have to read 15 pages of a novel for homework. The number of pages p(x), that you have left to read after reading for x minutes is given by p(x) = -x + 15. What is p(7) a.) 7 b.) 8 c.) 15 d.) 22 I think the answer may be 8, would this be correct?
  70. 9th Grade Math
    For #1-4, write an equation of the line that passes through each pair of points. Show all of your work to receive full credits. 1.) (9, -2) and (4, 3) Answer: 9 = -1x + -2 2.) (3, 5) and (2, -2) Answer: 3 = 7x + 5 3.) (4, 3) and (2, 0) Answer: 4 = 2/3x + 3 4.) (5, 2) and (15...
  71. 9th Grade Biology
    If you see a word that ends in -ase, it is probably an _________, and if a word ends in -ose it is a __ ____________. There are no answer choices and this is on my homework assignment...
  72. math 9th grade
    if xy is rational must either x or y be rational
  73. 9th grade physical science
    the density of copper is 8.92g/cm^3. If you plotted the mass of copper in grams versus the volume in cubic centimeters, what would the slope of the line be?
  74. Geometry
    I scored 5616 on my Geometry scantron but that number is to large to make any sense. Is that a good or a bad score. I'm in 9th Grade.
  75. 9th grade algebra
    The high temperatures in Jacksonville, Florida for July 1 – July 15 are shown below. 80, 73, 72, 76, 84, 86, 82, 73, 81, 84, 78, 85, 87, 84, 70 Identify the following, only using numbers. The median is . The minimum is . The maximum is . The lower quartile is . The upper ...
  76. 9th Grade Honors English
    In the book Inside the Walls of Troy, what view does the reader get through her eyes? I know that Cassandra loathed her gift of foreseeing the future and that she didn't want anyone to find out about her gift,in fear of being judged and criticized for it, but I can't think of ...
  77. 9th grade algebra
    Evaluate the following expression given the function. function: h(x)=12/x problem: h(x) = -2 solution: -2 = 12/x. 1/12 * -2 = 12/x *1/12 (mulitply both sides by 1/12 to get x by itself. -2/12 = 1/x -1/6 = 1/x (simplified -2/12) I don't think this is right. Can you explain how ...
  78. Thx again for another year of success
    Hey ms. sue, i am now in 9th grade thx to you i just wanted to say thx again for helping me last year!!! and this year a couple of times :) :DDDD
  79. 9th grade Physical Science
    Two dogs are fighting over a rope. The first dog is pulling with 10N to the right. The second dog is pulling with 15N to the left. Which way will the rope move?
  80. Biology 9th grade
    I am stuck on a question on The Integumentary System, the question is Water molecules in the blood pass through the walls of the (blank) into the sweat glands. I am not sure, can someone help me, thanks.
  81. science (9th grade)
    A form of 18 karat white gold contains 75% gold and 25% palladium. What type of solution is this? Specify which element is the solute and which is the solvent. help???
  82. Geometry
    In the diagram to the left, ÚABC\angle ABCÚABCangle, A, B, C and ÚDCB\angle DCBÚDCBangle, D, C, B are right angles. Which of the following is closest to the length of DE‾\overline{DE} ​DE ​ ​​start overline, D, E, end overline? I am ...
  83. 9th grade math i need help anything helps
    1. For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. x y 10 15 16 24 20 30 (1 point) yes; y = 1.5x yes; y = 2x yes; y = x + 5 y does not vary directly with x
  84. English
    Can you give me reasons why becoming a better community is important. My Original Essay Question: How can cities in the U.S. be better designed to create a safer and more economically productive community? I need you list a way or (a few ways) becoming a better community ...
  85. Grade 9th
    If 6.5g of zinc reacts with 5.0g of HCL,according to the reaction.Zn + 2HCL:zncl2+h2 Which substance is the limiting reaction? How many grams of the reactant remains unreactant? How many grams of hydrogen would be produce?
  86. 9th grade math
    The depth of water(d metres) in a harbour is given by the formula d = a+bsin(ct) where a, b and c are constants, and t is the time in hours after midnight. It is known that both b and c are non-zero and 20<c<35. If t=midnight, d=5; if t=noon, d=5; if t=1300, d=7; and if...
  87. physics 9th grade
    What is the impulse that must be applied to stop a 90-kilogram running back on a field at a speed of 4.5 meters per second. (Hint:remember the relationship of impulse and change in momentum)
  88. 9th grade algebra
    An Electrician Charges $120 After 2 Hours Of Work And $190 After 4 Hours Of Work. Write A Linear Model That Represents The Total Cost.
  89. 9th Grade Bio
    _______ is the process of digesting food and extracting the energy from it. Directions: Fill in the blank. Please help me answer this question. I've looked through all my textbooks and notes but they didn't mention this anywhere. Can someone please help me? Thanks
  90. English
    I am doing my summer reading for 9th grade reading assignment & need to write about 10 passages from a variety of literary terms. Could you explain some of these terms?
  91. Biology
    Is there any biology websites for teens??? (NOT games! notes and quizzes to practice). The Science of Biology The Chemistry of Life Cell Structure and Function Photosynthesis & Respiration Something REALLY easy to understand(btw I'm going to the 9TH GRADE). please help (having...
  92. Math for Educators
    Find the 9th term of sequence. 4, 12, 36, 108, .... The 9th term of sequence is ?? My answer 236,196 4+[3(n-1)] Correct?
  93. MATHEMATICS
    Suppose you won a contest at 9th grade start that deposited $3,000 in an account that pays 5% annual interest compounded continuously. You go to college for four years (four years later). How much will you have then?
  94. urgence question for physic grade 9th
    A truck gradually start off from rest with a uniform. accelleration of 2m/s2 .it reaches as velocity of 16m/s. Using this equation v2 +2as .what is distance it travell while its accellerating?
  95. 9th Grade Biology
    Assume that the fish have an average mass of 280g. The average caloric value is 8kcal/g. The heron is able to digest 60% of the fishes’ mass. How many will it need to eat to sustain its caloric intake of 3,000kcal/day?
  96. 9th grade Algebra
    The question that Mr. Kirk helped me with a little while ago. I am trying to do it on my calculator this time. I cannot seem to come out with the answer. I can't seem to get a logical answer. Will you please explain it to me? I just cannot grasp it!!
  97. 9th grade Algebra
    Did I get the right answer for this? Evaluate the expression 3x squared - 5x when x= -2 My Answer is 46. I got this by doing 3 times -2 and squaring that and then multiplying 5 times -2 and subtracting that ( negative 10 ) from 36. Is this correct?
  98. c++
    Write a program that asks the user to input a grade that he or she received on an exam. The grade is an integer from 0 to 100 inclusive. The program should convert the numeric grade into the equivalent letter grade. Do the conversion by using a function Letter_Grade () that ...
  99. 9th grade physics
    If a transparent material has a refractive of 2.0; a) calculate the critical angle b) if the refractive index were less than 2,0, would the critical angle be greater or less than before? Im super confused at this :(
  100. 9th Grade Classes
    I was reading my school district program of studies and I found this section in for high school coures. - English 9H - Integrated Algebra A - Earth Science - Global History and Geography I or H - French Beg. 1 - Orchestra (a days)/ Health (b days) - Studio Art I - African ...
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