9th Grade

  1. Math 9th grade
    2 angles have measures x and y. The sum of the measures of the angles is 180. Write a formula to express this relationship and solve the formula for y.
  2. 9th grade math honors
    suppose t(1)=-91 and -67 is another term of an arithmetic sequence, with. What is the equation of the nth term of the sequence if there are n terms between these two?
  3. To Ciara
    Please do not post any more insurance questions in this forum. I don't believe they are 9th grade questions. They look more like ads for insurance. If you post any more you'll be banned from posting on this board.
  4. math 9th grade
    the perimeter of a rectangle is 56 inches> the width of the rectangle is three-fourth of the length. Find the length of the diagonal of the rectangle. please help me!!!
  5. math
    a rectangular pen is to be constructed alongside a barn using 120 feet of fencing. the barn will be used for one side of the pen. What should the dimensions of the pen be to maximize its area. ***Can not use calculus. This is a 9th grade question
  6. Physical Science
    A=Vf - Vi divided by 29 seconds Can you please help me. This is 9th grade Physical Science homework.
  7. Personal Project :)
    Hey I'm Kaela, 9th grade and we're required to do a mini personal project. I can't decide on what to do :/ Anyone help? I'm interested with models, runways, model photo shoots, etc etc. :)
  8. Math-Algebra 1
    I need help with a pizzaz work sheet ASAP if i don't get this done i am on the verge of failing math and repeating 9th grade. its Pizzaz 11.10 thanks
  9. Product of Terms [ 9th Grade]
    Whats the product of terms for (4a^2c^4)(3b^4c) ? ^ = exponenets.
  10. Math 9th grade slopes
    A line connecting (5, 6) to another point has an undefined slope. What is the closest point on this line with whole number coordinates below (5, 6)?
  11. Spanish -9th grade-Please check and advise
    I need to write about my geometry class and what I do in the class. I need to use "la tarea" in the sentence. I'm not sure if I could use this to describe the calculations I do. I'm confused how to even conjugate or use this. Would it start with "Hago la tarea de los calculos...
  12. 9th grade math
    the triange is 31cm, side 1 and side 2 have equal lenghts, while side 3 is one centimeter shorter than twice then length of side 1, how long is each side?
  13. 9th grade Math
    In the multiplication problem A S __x__A____ M A N each letter represents a different one of the ten digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Which one of the ten digits does A represent?
  14. 9th grade
    the atmosphere..? a. creates tides b. has no effect on heat gain or loss c. allows heat to escape quickly in order to cool the planet d. keeps heat from escaping too quiclkly into space.
  15. 9th grade
    the perimeter of a triangle is 31 cm. sides #1 and #2 have epual length, while side #3 is one centimeter shorter than twice the length of side #1. how long is each side
  16. Form1/9th grade
    A mixture contains solids: Aluminium,camphor and sugar.Explain how you would obtain a sample of solid sugar from the mixture.
  17. 9th grade geography
    What are some negative facts for the Montane Cordillera. Also I am looking for some positive and negative facts for the Prairie Ecozone and Mixed Wood Plain ecozone. Need help please thank you!
  18. 9th grade physics
    A sled of mass 50 kg is pulled along a snow-covered, flat surface with a force of 200 N. the friction force acting on the sled is 49 N. what is the acceleration?
  19. 9th grade Science
    the longest distance in a field and track event is the 10km run. the record holder for the women's 10km run is Wang Junxia of china. Assuming that she ran a distance of 10.0 km with an average f 5.644 m/s, what was her time?
  20. 9th grade Social Studies
    i also have problems studying and understanding social studies. i don't know what to do my grades are way low. can you please give me some tips and ideas on how i can work on it?
  21. 9th grade
    what might be the efect of the following a)the covering tissue of the cappilaries is much thicker b)air sack tissue is much thicker
  22. 9th grade math
    suppose u invested some money at 8% simple interest for five years. if u received $500 in interest, how much money did u invest?
  23. 9th grade physical science
    a train moving west at a velocity of 15m/s is accelerated steadily to 17m/s over a 12 second period what is the acceleration of the train
  24. 9th grade
    h=2.4t+32.2 paul's height is 69.4 inches. What is the approximate length, in inches, of paul's tibia bone?
  25. 9th grade
    how can a egg be a chemical change? How can an antacid tablet be a physical and a chemical change?
  26. 9th grade math
    if a man mixes 12 lbs. of peanuts that's $1.25 a lbs. with a pound of cashews at $1.80 a lbs. how many pounds of cashew do you need to make a $1.50 a lbs. mixture explain in words and numbers
  27. 9th grade
    I am woking on Patterns and Inductive reasoning. I need help on numbers 14-16. Find the next two sequence. 14. Martha, Abigail, Martha, Dolley... 15. Geroge, Thomas, Abe, Alexander.... 16.Aquarius, Pisces, Aries, Taurus.... Please help me!
  28. 9th grade
    What is the product of 23 and -27? ----------------------------------------​----------------------------------------​ -621 -521 521 621
  29. 9th grade
    At a certain time, a vertical pole 3 meters tall casts a 4 meter shadow. What is the angle of elevation of the sun? Round your answer to the nearest meter
  30. 9th grade Science (Biology)
    My question is: How does the diversion of groundwater for industrial uses affect water quality? -- I don't understand what diversion is, so at least maybe you guys could explain that. Thanks!
  31. 9th grade
    How many grams of water must be added to 2 grams of a 65% iodine solution in order to produce a 42% iodine solution? Round your answer to the nearest tenth
  32. Math 9th grade
    x^2 + 5x +6/ x^2 - 3x -10 How do I do this? Is it asking me to divide? The answer choices are as following: A)x + 3/ x - 5 , x ≠ 5 B)x + 3/ x - 5 , x ≠ -2, 5 C)x2 + 5x + 6/ x - 5 , x ≠ 5 D)x2 + 5x + 6/ x - 5 , x ≠ -2, 5
  33. History/9th grade
    I am trying to understand and I hope you can help me. I just want some more explaintion about the great depression. Why do people call it a leveler? I heard some kids over at the table next to me at lunch today. Like I said I just want to know. I am studing about presidents ...
  34. 9th grade algebra
    daniels print shop purchased a new printer for $35,000. Each year it depreciated at a rate of 5%. What will its approximate value be at the end of the fourth year?
  35. 9th grade - Civics
    When was the last time Washington D.C.'s Electoral College votes went to a candidate form the Republican Party? How many Electoral College votes do they have?
  36. 9th Grade Social Studies
    Had the world gone along with Wilson’s plan to remove economic barriers between nations, what kind of place would the world be? Would it be better? Worse? How would you answer this question?
  37. 9th grade
    james accidentally spills 2 containers, mixing their contents. he checks and finds that 1 contains salt crystals while the other contained powdered sand. describe a method that he might use to separate the 2 mixtures without losing any of either mixture.
  38. 9th grade acc. algebra
    how do you do this? this is the full question and all info: "A line with a slope of -3 passes through the point (k,4). Find the y-intercept of the line in terms of k." I would like to know how to do this along with the answer so i can know im doing it right please!!
  39. math 9th grade
    Find the angle of elevation of the of the sun when a 12.5 meter tall telephone pole cast a 18 meter shadow.
  40. 9th grade math (algebra 1)
    Fine the solution set of each system of linear equations or inequalities below by graphing. Show all work under the graph of each system. 1. x + y = 3 2x - 2y = 6
  41. 9th grade
    A student put 12.4 grams of potassium sulfate in 29 ml and stirred for 3 hrs. he saw that not all of the solid dissolved, so he removed the extra solid and found it had a mass of 3.4 grams. what was the solubility of the chemical?
  42. 9th Grade Math
    The money collected at a school basketball game was 2,265 from 543 paid admissions. If adult tickets sold at $5.00 each and student tickets sold for $3.50 each, how many tickets of each kind were sold?
  43. 9th grade
    a cube has a side that is (5x-3)centimeters long.a.what is its surface area?b.if x=3,what is its surface area
  44. 9th grade
    how do i solve 3y-4+3x-5x+2 and solve for x and y
  45. 9th grade science
    1)write the fomulas for the following compound: Magnesium hydroxide. 2)Write the names of the compound: Ba(ClO3)2 *the numbers are the subscripts* I really don't understand how to do those two, I did the rest of them. I could really use the help. THANKS!!
  46. 9th grade (math)
    im learnin about y=mx+b 1.describe the line you think each equation represent Y=x, y=5, x=-3 2. The equation of a line is y=mx+2. determione the value of m when the line passes through each point D(12.5) s(1.-3) e(-2.6) a(-5.1)
  47. English -9th grade
    Is Sam going to sleep early tonight: declarative imperative exclamatory interrogative. I didn't fill out the answer causing me to get it wrong. I thought it was an declarative.
  48. 9th grade
    in which of the following sentences does the subject come after the verb a. on the next street, you'll find the shoe shop. b. whenever he's in town, jeremy likes to go fishing. c. brock traveled over miles of dirt roads. d. where is my elvis CD Thank you!
  49. 9th grade world history
    What is the geographic location of ancient Carib? What was their method of substience? What did they make with arts and crafts? What were their religious beilefs? What were their customs? And what was their effect on European contact and culture?
  50. 9th grade global
    one effect of rgged, mountainous geography on the civilization of ancient Greece was the development of -absolute monarchies -separate, independent city-states -extensive trade with the Persians -belief in one God
  51. 9th grade Global
    China under th Han dynasty and the Roman Empire were similar in that both grew wealthy because they..... -developed extenive trade networks -encouraged democratic ideals -established free-market economies -created classless societies
  52. 9th grade classes
    OK, here's a list of the subjects I think I want to take: English 1 Refresher Math Life Science, Biology, or Environmental Science...not sure which one would be the best?? I want to take Sociology for Social Sciences Health And Fine Arts is mandatory Sound OK? Thanks -MC
  53. 9th grade science
    Explain which statement is correct: energy is lost when water is boiled or the energy used to boil water is present, but it is no longer in a usable form unless you use work or heat to make it usable.
  54. 9th grade algebra
    drwls here is another one of those questions like the last one we submitted if this will help with what they are after. 200 dollars/1 ton x 100 cents/1 dollar x 1 ton/2000 pounds x 1 pound/16 ounces could you please show me how you come up with the answer? I am not sure how ...
  55. 9th grade algebra
    I've never seen a problem like this, please help. I think we have the number part right but what would the unit be once the math is done? Please show me how you came up with the answer so I will know for next time. 30 miles/1 ton x 5280 feet/1 mile x 1 hour/60 minutes x 1 ...
  56. 9th grade health
    The _______ region is the lower middle abdominal region located between the right and left iliac regions. A. hypogastric C. hypochondriac B. epigastric D. lumbar A
  57. 9th grade
    I need to write an essay on something I have accomplished using 5 adjectives and 2 inference words. What are some examples of inference words?
  58. 9th Grade Math
    For my hw i have to graph the following equations 1) x - 3y -5 = 0 and 2x = 1 - 3y 2) y - 3x =5 and 3x = 7 + y 3) x = 3y and x +2 = 11 4) y = 2/5x + 1 and x + 2y +11 After done graphing the equations i have to state if there are zero, one, or many solutions. I have already ...
  59. 9th grade
    My question is on scales etc.. heres the question | The Sears Tower is 1450 feet tall. If a model is 25 inches tall, find the scale.
  60. 9th grade lit poem
    I need assistance I was on here before with this poem but not with the same name (Lemon Pie). The poem is making a fist by Namomi Shihab Nye. I don't understand it. Could someone try to make me understand it I would appreciate it thanks for you time LP
  61. 9th grade(English)
    Which sentence contains an adverbial clause? 1.We placed our blanket under a tall shade tree at the park 2.Before we could eat our picnic lunch, some ants needed to be uninvited. 3. We decided to distract them with an open bottle of suntan lotion placed strategically in the ...
  62. SCIENCE
    how do i reword this sentence to a 9th grade leverl. students know that charged particles are sources of electric fields and are subject to the forces of the electric fields from other charges.
  63. 9th grade HEALTH
    MY QUESTION IS ABOUT HEALTH... I HAVE A MIDTERM DUE MONDAY 01/26/2009.. AND I REALLY DON'T KNOW HOW TO START IT I HAVE TO USE I,ME,MY STATEMENT ONLY... HOW CAN I START MY MIDTERM??..PLEASE HELP!!??
  64. 9th grade English
    I'm having a hard time understanding the difference among a subordinating conjunction, a correlative conjunction, and a coordinating conjunction. Thank you! Thank you!
  65. 9th grade
    for my physical science class were supposed to name ionic compounds and change the name into a formuala but i don't understand how to do it my teacher didn't explain it fully. Ex:Na2CO3= Sodium Carbonate Sodium phosphide=Na3+P-3
  66. 9th Grade Math
    Hey, I finished my math homework, and im not so sure i did it correct, so can someone do this question and i will look at the answer to see if my work was correct this is State and Justification Given : m<4 = 130degrees, m<1 = x+10 , and m<2 = x Prove : m<1 = ...
  67. 9th grade
    at 30degrees celcius, 80 grams of potassium bromide is dissolved in 100 grams of water. is this solution unsaturated, saturated, or supersaturated.
  68. 9th grade
    two men worked 8 hours each and they built 32 frames for sheds. what is the productivity or output per hour add ______ hours hours+_____ hours here ______ hours
  69. general
    Some states have high school starting at 9th grade while some start only in 10th. so when are the kids ready for AP classes? is this school dependent?
  70. 9th grade biology honors
    What would happen if you placed a grape in a bowl with highly concentrated sugar water? and also i need help with this question: "Talking about osmosis, what would happen to a jellyfish placed in a freshwater lake?
  71. writing
    well im troubled with a prompt, it is... explain how the path your life would take be diffrent if school ended at 9th grade... well im just looking for a few ideas that could basically involve anyone. the only few things i could come up with are - moar school - getting job ...
  72. 9th grade
    This question is from a textbook THE AMERICANS. 1.What geographical feature determined the western boundaries of the Southern and Middle colonies? 2. How did the New englnad and Middle colonies economies differ in general from the economy of the South? What may accounted for ...
  73. 9th grade
    what makes sir launcelot a hero? from the book title: the tale of sir launcelot du lake by: sir thomas malory translated by: keith baines
  74. 9th grade
    Hi, am trying to find out if my son did a collage right ? It is due tommorrow- it is a who i am collage which is suppose to show pictures of his personality that people know about him and things people do not know about him?
  75. 9th grade english
    diagramming the sentence LATE IN THE EVENING ROBERT CAME LATE TO DINNER RIDING ON JOHN'S HORSE AND WE GAVE HIM HAM AND SOME BOILED BEANS THANKS
  76. Math
    In Simplifying 7 to the 11th power and 7 to the 9th power, Alexis decides to use her calculator to find 7 to the 11th power and 7 to the 9th power indiviually before dividing. Show how Alexis could use the laws of exponents to arrive at the answer more easily.
  77. spanish
    Spanish 1B - I am an honor student but with spanish for me I can memorize for the tests but I am not really undestanding it. I am great in science and math - and i got an A barely in spanish but it gets harder. The hardest part for me is that every other class comes easy. I ...
  78. project
    Im not really sure what topic to make a presentation on can you give me wome ideas please? well can you tell me what class this is for, subject and grade level Computer Apps., we can do it on anything we want, 9th okay i would say do it on the controverseal subject on breast ...
  79. trig
    it says solve for all real solutions, compute inverse functions to 4 sigfigs. cos^2x=3-5cosx Devon, what grade level are these questions from? I am having the same problems as with your 9:14 post. Please see my partial solution in the post to bobpursely at 10:54 Devon, I have ...
  80. math& english
    if there is any chance that someone could help me with math or english over messenger i am far behind in those subjects and totaly lost in algebra1 my SNs are babeangel747 for both thanks in advance what grade are you in? 9th and 10 i should be in 11th
  81. Math formatting?!
    umm, can some one please tell me how to write down the problems on this website? i think this (*) is multiplying but i'm not completely sure. and what is division? i have some graphing problems. by the way, i'm in 9th grade. You are right, multiplication is often indicated by...
  82. 9th Grade English
    Hi, I have a research project about this question: "What are the reasons some people feel certain books should be banned?" In my lesson, it said to look for information about the history of banned books. I need 3 websites pertaining to this topic. Also, one of the requirements...
  83. 9th grade algebra
    solve for h The formula for finding the area of a trapezoid is A = 1/2 (b1 + b 2)h where A represents the area of the trapezoid, b1 and b2 are bases, and h represents the height. Solve the formula for h. I know the answer is h = 2A/b1 + b2 but I don't understand why...can you ...
  84. History 9th grade.
    Hey guys! I have a hard time on this question. I would really appreciate it if you could help me :) The question is: How did conflict and cooperation within early civilizations relate to the use of resources? The hard part is finding the details about this question.. maybe ...
  85. Personal Fitness Final
    Please Help me with my Personal Fitness Final Exam!!!! 9th grade CA
  86. 9th grade physical science
    I'm really confused on how to do this, Can someone help walk me through? An object is placed in front of a concave mirror as shown in the diagram below. A. Draw at least two rays that demonstrate how this mirror produces an image. (4 points) Image B. Describe the image formed ...
  87. 8th Grade Electives Advice
    Hi, I'm really struggling with my decision about two electives that I really like. One is Journalism and the other is Creative Photography. If anyone knows or has experience can you please tell me the pros and cons about these two electives please? Also, I only have a few days...
  88. medical Terminology
    The most easily treated tumor is A. Grade I. B. Grade V. C. Grade III. D. Grade X. A is my answer
  89. Algebra 1 - 9th Grade
    A contestant on a quiz show gets 50 points for every correct answer and loses 100 points for each incorrect answer. After answering 24 questions, the contestant has 300 points. How many questions has the contestant answered correctly? Incorrectly?
  90. Science Fair Project
    Is this Science Fair Project that I am doing a 9th or 11th grade project.... Up,Up, and Away in your own Hot-air ballon !Search up this Project and then tell me!
  91. algebra
    An “A” is considered 4.0, a “B” is 3.0, a “C” is 2.0, a “D” is 1.0, and an “F” is 0. In your first semester you received the following grades. Calculate your grade point average English = credits 3.0 Grade = C Biology = credits 4.0 Grade = B Communications...
  92. English
    Posted by rfvv on Monday, July 13, 2015 at 9:33am. Lesson Plan .... Standards Addressed: General Goal9s): Specific Objectives: ...... ===================== In a leson plan, what is 'Standards Addressed'?•English - Writeacher, Monday, July 13, 2015 at 9:42am Standards are ...
  93. math
    I have a question I would really appreciate the answer. If 15% of my grade is 74% and 96 is 15% of my grade and 40% of my grade is a 60.5% without the final counting for 30% what is my grade? Please help thank you.
  94. 9th grade geometry
    Rounded to the nearest hundred cubic meters, what is the total capacity (cone and cylinder) of the storage container? the cone is on top of the cylinder. the radius of the cone is 6 meters and the height of the cone is 8 meters. the height of the cylinder is 10 meters. im ...
  95. 9th Grade Math
    Naulluq is cutting ice blocks from the lake for her mothers drinking water tank. The cylindrical tank has a volume of 4x^2π. Once each block has melted, it will have a volume of 3x^2. How many blocks does she need to cut so that her mothers tank will be filled when the ...
  96. physics
    9th grade physics sketch a picture of the initial total velocity for the projectile when the angle is at 0 degrees, 30 degrees and 60 degrees. Resolve each into vertical and horizontal components. No velocity given
  97. College question
    I'm a high school senior and I'm planning on applying to SBU. I have a 4.0 gpa, a 1690 on the SAT(am going to retake), a 24 on the ACT, took 3 AP classes and am currently taking 2 more, part of National Honor Society, in the top 5% of my school, have an advanced regents ...
  98. MATH
    there are 400 students at smith Elementary school 1/4 of the students are in fourth and fifth grade, 1/10 of the students are in grade 3, 2/8 are in second grade and 2/5 are in first grade . How many kids are in each grade? (4th and 5th have an equal amount)
  99. statistics
    The grades on the final examination given in a large organic chemistry class are normally distributed with a mean of 72 and a standard deviation of 8. The instructor of this class wants to assign an “A” grade to the top 10% of the scores, a “B” grade to the next 10% of...
  100. Sociology/Psychology
    I'm taking Sociology 1st semester and Psychology 2nd semester when I go to the 9th grade. I'm just curious but is there any topics (interesting ones) in Sociology and Psychology.
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