10th Grade

  1. 10th grade
    a solution of 30 percent by weight has a density of 0.96g/mL at 25 degree celcius.find the molarity and molality.
  2. 10th grade
    A metroid entering Earth's atmosphere has a speed of 70.0 km/s and a kinetic energry of 2.56 X 10^15 J. What is the mass of the meteroid?
  3. 10th grade
    A rational number is ____ a real number. a. always b. never c. sometimes its always ???????
  4. 10th grade math
    Which expression repeersents the phrase'' twice the quotient of 50 and the sum of a number y and 8?''
  5. 10th grade
    i want to make an project on safer construction practises for tsunami only want 10questions on this topic
  6. 10th grade social studies
    i have to make a project on safer construction practises for flood help me but want only 10 questions on this topic
  7. alg
    The 10th grade raffle sold 127 tickets. If they award 1st and 2nd prize, how many different pairs of winners are possible? a) 16,129 b) 254 c) 16,002 d) 8,001 the answer i picked was c
  8. 10th grade
    compare and contrast the two prevailing winds that blow over Afica in June and September?
  9. 10th grade
    Bert viewed the hot dog provincial, beliving that to eat such a disgusting food was beneath him
  10. 10th grade algebra 2
    the third root of 3, times the square root of 9
  11. 10th grade
    how can i make an easy working model in physics for class 10 holiday home work
  12. chemistry!!! /10th grade
    How many molecules of hydrogen are produced if 13.05 g of Zn reacts with excess hydrochloric acid equation Zn plus HCL equals ZnCl2 plus H2?
  13. 10th grade
    Triangle ABC is an equilateral triangle.AD=10 What is the length of CD? Give your answer to the nearest whole number.
  14. 10th grade
    a rhombus has a perimeter of 44 centimeter and a diagnol 12 centimeters long. wat the area?
  15. 10th grade
    the circle is circumscribed by the pentagon as shown (not drawn to scale). If QZ=10, YX=9, XW=9, UW=17, and SU=10, find the perimeter of the pentagon.
  16. 10th grade
    The addition of which nitrate salt will cause a decrease in the concentration of I-(aq)? Pb(NO3)2 Ca(No3)2 LiNo3 KNo3
  17. 10th grade Biology
    Why is diffusion insufficient to meet the oxygen requirement of multicellulars like us?
  18. Geometry
    I have a project due this week and I have to make a board game, so I need 15 questions about right triangles. I already have about 7, so is there a website with some examples? This is 10th grade geometry.
  19. 10th Grade Honors Chemistry
    volume of 8.00 grams of hydrogen gas at 32.0 degrees celcius and 1.50 atm
  20. 10th grade Math
    Triangle POB has vertices: P(0 , 4) O(-3 , 0) B(3, 0). Determine the orthocentre of the triangle.
  21. 10th grade
    What were the effects of the Balkan Wars that led to the Revolution during the Age of Nation States? (OTTOMAN EMPIRE)
  22. 10th grade
    What were the complications of decrees in the Ottoman Empire during the Age of Nation States?
  23. 10th grade chemistry
    I need help on solving: How many grams of water are obtained if 487.8 grams of carbon dioxide are formed?
  24. 10th grade, spanish three
    how would i answer this question with direct object pronoun? quien te habla por la telefono todos los dias?
  25. 10th grade
    I need to unscramble the letters to this word from the renaissance. The letters are NWIHZGLCIRULI
  26. 10th grade
    A piece of metal has a mass of 200 g and a volume of 40 cm3. What is its specific gravity? What is its density? g/cm3
  27. 10th grade
    Analogy: despair:hope::permanenace______________ Answer Chocies... transience acquisition chauvinism infinity
  28. 10th grade Literature
    Can someone tell me the Simularitys and Non-simularitys of these too books Baldwins account of the Titanic and Rosenthal's avvount of his visit to auschwitz, Please and thank you
  29. 10th grade
    How did early labor unions in the United States differ in their organization and in the methods they used to achieve their goals?
  30. 10th grade
    What element, found in all plants and animals, is used by scientists to determine approximate dates for an artifact’s age?
  31. american lit. [[10th grade]]
    i need to write an essay about how holden caulfield from the catcher in the rye is fascinated with childhood and innocence. what can i include as examples for that?
  32. 10th grade social studies
    How does trade and offering cominly diverse choices INCREASE diversity? Thanks Ms.Sue for answering my last question! ^^
  33. 10th grade social studies
    I don't get what "What message do these 2 sources present about the impact of globalization on identity?" means..
  34. 10th grade algebra
    the volume of a pyramid with a rectangular base is v=1/3LWH. find W if V=500 L=15 and H=4. a) W=25 b) W=20 c) W=18 d) W=15
  35. 10th grade algebra
    kim had a meal at the downtown diner which cost $14.98. if she tips 15%, how much tip should she leave? round to the nearest cent.
  36. 10th grade algebra
    How many kg of pure salt must be added to 8 kg of a 30% solution to obtain a 35% soltution? Round to the nearest tenth.
  37. 10th grade
    a 0.25kg ball is traveling at a velocity of 45.0m/s. find the frequency at which the ball osicillates
  38. 10th grade
    On very hot days or when you are exsercising, it is better to drink tap water than sugary drinks. Explain why.
  39. 10th grade
    Find the coordinates of the centroid of the triangular metal part with verticies at A(12,18) B(18,6) C(3,12)
  40. 10th grade english( the kite runner)
    What is a good example of assonance and alliteration from the the runner iin exact quotes?
  41. 10th grade math
    How do I factor 4x^2-12x+8? so far I took out the Greatest Common Factor. 4(x^2-3x+2) What next?
  42. 10th grade english
    what is the climax in the book the bass the river and shelia mant by w d wenthrell
  43. 10th grade Pre APworld history
  44. 10th grade
    How many unit volume cubes of 1cm squared will fit into a 3cm x 4cmx 10cm shape?
  45. 10th grade punctuation
    Ed and Jim's essays were both titler Kwazaa: A Special Time for African Americans.
  46. 10th grade Physics
    What experiment(apparatus can be made) can be used to determine the relationship between period and frequency of vibration?
  47. 10th grade english
    Ok, I need help on the book "The Road" By cormac McCarthy. I need to know 3 themes, the plot, the setting and how it affects the story, and Literary devices used in the story! Thanks so much!
  48. 10th grade american lit.
    Do the letters "UDM" stand for "Usage Determines Message?"
  49. 10th grade
    what characteristics of life do viruses have?describe the ways in which viruses differ from living cells.
  50. 10th grade
    what kinds of clues can fosslrs provide about the past , inclding climate ,what organisms ate ,and the enviroment in which they lived?
  51. 10th grade Living Environment
    The unknown genotype of an individual with a dominant phenotype can be determined using what? Is it a test cross???? Please help!
  52. 10th grade CIVICS!!!!
    being informed n getting involved means people communicate about and participate in important issues... i need a picture that represents or fulfills this. thanks
  53. 10th grade
  54. 10th grade Living Environment
    Why would someone choose to propagate a particular plant for commercial purposes by using vegetative structures instead of seads?
  55. 10th grade chemistry
    How many molecules of Hydrogen gas formed when 48.7 grams of sodium added to water
  56. 10th grade math
    Factor by Grouping. PLEASE SHOW ME THE STEPS! 1.) 6x2-21xy+8xz-28yz just to make it clear,the 2 infront of -21 is actualli an Exponent 2. 2.) x2+5x+7x+35
  57. 10th grade Living Environment
    What causes an increase in the diameter of woody dicot stems?
  58. 10th grade Living Environment
    Explain the roles of helicase and polymerase in DNA replication.
  59. 10th grade History
    What were Caesar's reasons for attacking Gaul? (Be Specific) What was his "Campaign against the Helvetti" and what did he do during his years in Gaul?
  60. 10th grade Chemistry
    A chemial test to distinguish between iron(Fe) and iron sulphide(FeS)..without using a magnet
  61. 10th grade
    Assign oxidation numbers to each atom in the following compounds: HI, PBr3, GeS2, KH, As2O5, H3PO4 (the numbers should be subscripts)
  62. 10th grade English
    Persuasive writing. How to write a persuasive paragraph about women choosing their own destiny to a person of the jewish faith
  63. 10th grade
    bob accidently falls out of a helicopter that is traveling horizonally at 160m/s. he plunges into the water below 4s later. assuming there is no air resistance, what is the horizontal distance he travels while falling
  64. 10th grade/ business studies and communication sym
    difference between formal and informal mettings?
  65. 10th grade
    The ratio of the measures of three sides of a triangle are 1/2:1/3:1/5, and its perimeter is 6.2 centimeters. find the measure of each side of the triangle
  66. 10th grade Mythology
    what would be placed in Sir Lancelot's and Eragon the dragon rider qualities for;bravery,sense of justice and consideration for others. If know please tell me THANK YOU
  67. 10th grade
    A car crashes into a wall a 25m/s and is brought to rest in 0.1s. Calculate the average force exerted on a 75-kg test dummy by the seat belt. What is the formula to solve this problem.
  68. 10th grade
    how does the individual influence world events?give a current event example
  69. 10th grade
    Whatis the difference between the Hudson Bay Lowlands and the Arctic Lowlands?
  70. 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?
  71. 10th grade
    Carlos invested $10,000. part ot 5% and the rest at 6%. His total annual income from these investments was $575. How nuch did he invest at each rate?
  72. 10th grade math
    solve each equation for y. do x and y vary directly? if so indentify the constant of variation. 1.4x=5y 2.2x+3y=6
  73. 10th grade
    how does steinbeck prapare the reader for curleys wifes death by leenie
  74. 10th Grade English
    what is the central human tradgedy of the Iliad? what is its most important theme?
  75. 10th Grade Math
    Why is it important to understand rational exponents? How does it work with radicals?
  76. 10th grade
    How do I represent the following to 3 significany figures and express the answer in SI units using an appropriate prefix? or Can you give me an example? 45 320 kN
  77. 10th grade
    Engineering Foundations 2 Calculations converstions How do I put this combination in the correct SI form? MN/ks2 kN/ms
  78. 10th grade
  79. 10th grade
    wats a abstract noun for these: 1.quaterback 2.scream 3.perfume 4.pepper 5.bruise 6.dog 7.binoculars 8.teeth 9.lamb 10.book
  80. 10th grade math
    1.548937075 x 10 to the 12th. round the number to 3 significat figures. I thought I would respost this because the other one was getting confusing
  81. 10th grade math
    How would you figure out 1.45386759 x 10 to the 12 and round to the significant figure? thanks
  82. Math
    I am tring to finish my 10th grade. I got hurt last Jan. 2007. And was force to quit public school. In short of every. I started online schooling and I have to write an essay for a final grade in Math compare three college to each other and make a graph telling which school ...
  83. math
    On Wednesday you drove from home to work at 65 mph and got there in 28 minutes. On Thursday you drove at 78 mph. Round answers to nearest 10th. Use: R1T1=R2T2 (double click this to see clearer) Round to the nearest 10th and Use Unit Abbreviations for Units. How long does the ...
  84. math
    At the end of the 8th grade,Lin was 3.6 feet tall.Over the next two years he grew 1.2 feet tall. How tall was Lin at the end of the 10th grade
  85. Algebra II
    If one leg of a right triangle is 5 times the square root of 3 centimeters, and the hypotenuse is 2 more than the other leg, what is the length of the other leg? While it does say please show my work, I literally have NO idea how to solve this, and this is one of my last ...
  86. math
    The students at Millerville High School were surveyed about their favorites type of music. The results are in the table. to the nearest whole percent, what percent of the students who chose country as their favorite are in 9th grade? a.63%,b.39%,c.24%,d.20% Favorite type of ...
  87. chemistry
    Dr Bob, Thanks for your help. Ihad googled for 3 hours before asking you. For future reference, if anyone asks this question again, 10th grade chemistry, I found a video on You Tube that makes it easy to understand. It is, The Sci Guys, Ph indicator, acid-base indicator. ...
  88. math
    The 5th and 10th terms of A. P are - 12 and 27 respectively. Find the A. P and its 15th term. (B) The first three terms of an A. P are x and the 10th term.
  89. English
    How many sentences should a short essay have? I need to write a short essay for my world history class...I'm in 10th grade btw
  90. 10th grade physics
    What speed must a bucket of water have to complete a circle with a radius of 1.2 m without spilling any water? My answer: this seems to be an incomplete question, not solvable without the weight of the bucket
  91. algebra
    how many tiles 10cm by 25cm on each side is needed for a bathroom 8m by 10m? I need help on how to solve it... I learned how to do this in 8th grade but I'm now in 10th and I forgot how to do it. I'm preparing for the highschool exit exam and I need to do this problem but the ...
  92. math
    In new Your a taxi costs 72 cents for the first 1/10th of a mile and 15 cents for every additional 1/10th mile. How much does it cost to drive 6 miles? Set up and solve? I do not understand how you got this answer...can you explain? .72+ .15(6-.1).1 = $9.57 When I work the ...
  93. 10th grade Science
    Explain how a drug sits on acetylcholine receptors will affect muscle function? Is it because the drug would act as a blocking agent to prevent the receptors from gathering information on what to do?
  94. 10th grade Science
    Explain, physiologically, how you would decide to use ice or heat on an injury? My book doesn't have any good info on this question. Is there a reputable website or article to get info to answer this question?
  95. math
    ok i have 10th grade math next year and i don't even know half the stuff for this year and its summer brake and im worrying about math..what do i do
  96. 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 ...
  97. 10th Grade Pre-Calc
    The demand equation for a hand-held electronic organizer is... P=5000(1-(4/4+e^-.002x)) Find the demand x for a price of (a) P=600? So strange. Thx for help
  98. Chemistry
    How is Surface catalyst(heterogeneous) and homogeneous catalyst different? I'm in 10th grade chemistry and I don't understand it.
  99. 10th Grade Algebra
    Please help me with these factorise algebra questions!!! 1. 9c squared + 30c + 25 - 4d squared 2. 12 + 89 - 4a squared 3. -5x squared + 27x - 10 4. If A= 15x squared - 20x +11 and B= 1 + 9x+ 5x squared, then A-B when factorised is...
  100. 5th math
    what is the least common multiple (LCM)for 15 and 45? There are 16 girls in a class of 36 student. which expression could be used to determine the number of boys (b) in the class? please! help i think this too hard for 5th grade math. this suppose to be for 10th or college ...
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