Algebra, help + check please

106,459 results, page 97

  1. MAth algebra 1

    Steve is driving to a ski resort. At first, he drove at a rate of 65 mph. Then a snow storm started and he had to slow down to 40 mph. In total. it took him 6 hours to drive 310 miles. Which system of equations represents this situation? A. 6x + y= 1 x + y= 310 B. x + y= 105 ...
  2. History Check Please!

    Please check! Thanks! 1. How did the hundred year’s war contribute to the decline of the medieval era? a) It encouraged kingdoms to look to explorer other lands b) It initiated reforms within the church that weakened the papacy c) It lead to the collapse of the federal ...
  3. Calculus

    Can you please check to see if these answers are correct? I have provided my work as well! That you! This is much appreciated!! 1. What is the volume of the solid that is generated by revolving the region bounded by the curves x = 3y^2-2 and x = y^2 and y = 0 about the x axis...
  4. Of Mice and Men ASAP

    Hi My summer reading list is due on monday and i'm running out of time to finish this book (it has 6 chapters) I don't have the book with me anymore sadly because it wasn't my book. I wanna know if you can tell me the conflict in each chapter please please please thank you :)
  5. linear algebra

    which of the following sets of vectors span R^3? a.){(1, -1, 2), (0, 1, 1)} b.) {1, 2, -1), (6, ,3, 0), (4, -1, 2), (2, -5, 4)} c.) {(2, 2, 3), (-1, -2, 1), (0, 1, 0)} d.) {(1, 0, 0), (0, 1, 0), (0, 0, 1), (1, 1, 1)} can someone show the steps to check for one of them and i ...
  6. Early Child Ed.

    Please check these questions and my answers. If I am wrong-please let me know. 1. Which one of the following statements is an example of the cognitive process called categorization? A. A child begins to as "why" about almost anything he or she does. B. A child's early ...
  7. Art

    Could you please check these sentences, too? Thank you very much. 1) The Augustan were interested in real life. As for politics/as far as politics is concerned, the two main political parties were the Tories and the Whigs. 2) The poor used to live in terrible conditions. 3) ...
  8. Physics please help! check if its correct

    A 3.00 kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform 8.00 kg cylindrical pulley. The inner diameter of the pulley is 60.0 cm, while the outer diameter is 1.00 m. The system is released from rest, and there is no friction at the axle of the...
  9. English

    Thank you very much for your corrections. Here are two sentences for you to check. 1) Thank you for your prompt reply. How could I start and finish off my letter addressed to the principal of a high school? 2) Could you suggest to me an internet site where I could find schools...
  10. math

    The table lists data regarding the average salaries of several professional athletes in the years 1991 and 2001. year average salary 1991 $263,000 2001 $1,430,000 a)Use the data points to find a linear function that fits the data. b) Use the function to predict the average ...
  11. Math Challenge Check

    I am playing a dice game with my friend Kyle. Each of us roles a standard six-side die obtaining a number at random from 1 to 6. What is the probability that my number is greater than Kyle’s number? Answer below was posted last night. Is the answer correct? Will someone ...
  12. English

    1. I want my photo to be deleted by you. 2. I want my photo deleted by you. (Are both grammatical? Which one is a common one?) 3. He hung the picture on the wall. 4. The criminal was hanged at the prison last year. (Are both okay?) 5. Make your message clear. 6. You should be ...
  13. English- The Lord of The Flies

    CHapter 2: Why do you think the beastir comes to dominant the meeting? What does it symbolize? Please help me out on this one. I cant figure it out and its so frusterating! Thank you so much! I have never read this book. If no one else has, please check it out at http://www....
  14. For Dr.Bob222 (chem work)

    What is the pH of a solution of 120 ml 0.15M acetic acid to which we add 30mL 0.2M NaOH? CAN YOU CHECK MY WORK PLEASE? 0.15 mol/L * 0.12 L = 0.018 mol acetic acid 0.2 mol/L * 0.03 L = 0.006 mol NaOH 0.018 - 0.006 = 0.012 mol of acetic acid in excess pH = pKa + log (acid/base) ...
  15. Math

    an algebra book weighs 6 oz less than twice as much as grammar book. if 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh?
  16. Chemistry

    Please please help me on this equation I'm stuck and your steps are confusing. Calculate the concentrations of each ion remaining in solution after precipitation is complete. (Enter a 0 if none of the ion remains.) Cl ‾ Ca2+ I have Ag+=0 and NO3^-3= 0.13 but I can't seem...
  17. Spanish #1 (URGENT)

    Can someone please check my work? Look at the words in the vocabulary list and write them in the appropriate column. Items in word bank may be used more than once. las cortinas el armario el espejo el televisor el comedor la cómoda la cama el sofá la lámpara EL COMEDOR el ...
  18. English

    Can you please check these sentences for me? Thank you. 1)When you set the table, you place (lay) the table cloth, the napkins, the cutlery,the dishes (soup and a dinner plate),the vinegar and oil bottles, the salt and pepper pots on the table. 2)They called the waiter ...
  19. Exp. Growth + Decay (HELP ME PLEASE!)

    1. Suppose you invest $1,000 in a CD that is compounded continuosly at the rate of 5% annually. What is the value of this investment after one year? two years? five years? A=1000(e^(.5x1)) = 1648.72 A=1000(e^(.5x2)) = 2718.28 A=1000(e^(.5x5)) = 12182.49 2. A colony bacteria is...
  20. English

    1. I would prefer not to eat that. 2. He slaved at his job so his family would have everything they needed. 3. Your cholesterol balance is good. 4. He slipped into the room. 5. Clip two sheets of paper together. 6. The whole universe knows it. 7. I won't force you to come, but...
  21. algebra

    Which choice is the equation of a line that passes through the point (5, –1) and is perpendicular to the line represented by this equation? y = −x + 5 A. y = x− 6 B. 5x − y = 5 C. y = −x− 1 D. 2x− 5y = −1 can someone please show me ...
  22. Chemistry - Lewis Structures (check + help)

    I am asked to draw lewis strcutures of the following molecules and ions SF6, BrF5, XeF4, PF5 and IF4-. I have to follow a specific format to draw them, below is an example of SF6, where am i going wrong in the table, since i am not getting six bonds, nor am i successful with ...
  23. Algebra help please :)

    Hey I was wondering if someone could help me with this. I know it's simple but It's for some reason harder for me. If someone can help me it will be really much appertiativ write an equation and solve tofind the solution to the following problem you have $27 to spend at the ...
  24. 11th grade Algebra II

    if the roots of ax^2+bx+c=0 are real, rational, and equal, what is true about the graph of y= ax^2+bx+c? 1.) it intersects the x-axis at two distinct points. 2.) it lies entirely below the x-axis 3.) it lies entirely above the x-axis 4.) it is tangent to the x-axis i think the...
  25. Algebra

    Chart with a month bill for water which is $35.00. Question is Lynne has a watering can that holds 16 cups of water, and she fills it half full. Then she waters her 15 plants so that each plant gets the same amount of water. How many cups of water will each plant get? Please ...
  26. Intro to linear algebra

    For the matrix: [[1,4,2],[2,5,1],[3,6,0]] (This is 3X3) .. find out whether the columns are linearly independent. Is the 3rd column a linear combination of two other columns? In both cases find the coefficients. Please show step-by-step and explain in great detail, so I can ...
  27. Algebra 2

    E6------E= -0.378eV E5------E= -0.544eV E4------E= -0.850eV E3------E= -1.51eV E2------E= -3.40eV Use the figure shown above to determine how much energy a hydrogen atom with its electron in the E2 energy level must absorb for the electron to be removed from the atom. a. -0....
  28. Physics

    A sphere of radius R has inhomogeneous charge distribution on its surface. Its surface charge density is σ = σ0 cos θ, where σ0 is a positive constant, and θ is the angle from the “north pole” to the point of interest and satisfies 0 ≤ θ...
  29. English

    1. Some said yes and others said no. 2. Some said yes and the others said no. 3. Some said yes and some said no. 4. Some said yes, others said no, and the others were silent. 5. Some said yes, some said no, and the rest were silent. (Would you check the expresions? Correct ...
  30. Calculus rate of change

    Can you please check my answers and fix the ones if any that are wrong. Along with help on part d Consider the following fun f(x)=(3/4)x^3- x^3-3x^2+6x A.find relative extrema and identify max and min. I got x=1 max ,±√2 min B.determine the interval(s) where f(x) is ...
  31. algebra word problem

    Describe the values for x that may not be appropriate value even when they are defined by a function A function could, for example, indicate the amount of bone strength (y) in a living human body over time in years(x) . It would not make sense to look at negative years, ...
  32. college algebra

    Two cyclists, 64 miles apart, start riding toward each other at the same time. One cycles 3 times as fast as the other. If they meet 2 hours later, what is the speed (in mi/h) of the faster cyclist? Let "x" be the slower rate the faster rate is "3x" x+3=2x 64/2=32 2x=32/2 x=16...
  33. please

    tell sme the answers to pig skin geogphy right now please right now please well i need them poisted
  34. maths

    the sum of 3rd and 5th terms of an a.p is 38 and sum of 7th and 10th terms of an a.p is 83,find the a.p. please help all questions please help please.
  35. Maths-can someone explain something to me???

    hey, can someone explain vectors to me? im soooooo lost, I don't understand them at ALL. please please please help me. :(
  36. Math, Please Help! I don't understand!

    Please help me! I don't understand how to solve. Solve each equation for the given variable. 37. x/a - 1 = y/b for x 39. V = 1/3 * pi * r^2 * h for h What do these equations mean? I am super confused. Please help.
  37. English

    Can you please check these other questions, too? Thank you very much. 1) What characterized the 18-century novel? 2) How did the writer achieve the ideal of realism in the 18-century novel? 3) Refer briefly to the structure of Defoe's novel? 4) What kind of narration dos he ...
  38. word unscramble

    xhfzhgzhoita Check the spelling. I found no matches.
  39. English

    Could someone check my answers for this exercise. Dangling Modifiers
  40. computers

    What is the main disadvantage of relying on spell check on your computer?
  41. math

    can someone check my answer Graph by first solving for y. x + 2y = 8 x-x+2y=8-x 2y=8-x 2y/2=8/2-x y=4-x y=4-x/2 y=4-1/2x
  42. math

    can someone check my work? divid t^11/ t^3 is the answer t^3r2
  43. english

    i had a parargrahp writen i want you to check if its right orno t.
  44. science

    i need help making a catapult. im gonna check my pc tomorrow
  45. Math problem check

    Simplify: (2/a + 6/b) / (8/ab + 4/a^2) I have the answer as a(3a+b)/(4a+2b) Is that correct?
  46. Math check

    Find the y-intercepts for the function given by: f(x)= 4/(x+5)-1/(x-4)/2/(x-3)+3/(x+2) I am stuck
  47. Math check

    express in terms of i and simplify: srqt-54 is it -3isqrt6?
  48. Math Check

    Solve: x^-2 - x^-1= 5/4 I have the answer as (5+/- sqrt29)/2 Is this right?
  49. college

    What is the ICD-9-CM code for a routine infant health check?
  50. 7th grade

    how do check to see if your caluator does order of opreations
  51. check my answers pplz

    1. simplify 6(a+3b)-4(2b-5a) is the answer 26a+10b
  52. science

    what is radiation? What are some good sites that I could check out? Thank you!!:)
  53. To:Sabrina

    Do you think you have time to check my french homework. thanks
  54. math

    8x -5y =20 5y -8x=-20 x= -4 Solve the system of equations by graphing. Check this problem for me.
  55. DrBob22

    Can you check my answer in the last boiling point topic I posted? Thanks.
  56. social studies

    article on "role of media to check corruption"
  57. calculus

    derivative of y=ln x/x^2 can someone double check the answer 1-2lnx/x^3
  58. Math Check

    Is this correct we have to set this problem equal to y? 2x-y=4: y=-4+2x
  59. science

    Dr bob, can you check my reply to chem question from andy thanx
  60. math

    x+4/2x*6x^2/x^-16= (x+4)/2x*6x(x)/(x+8)(X-8) rational expression using factoring could some check this.
  61. Math

    Why is it necessary to perform a check when solving rational equations?
  62. TO: Mrs Sue...is my answer below right?

    can u check it plz
  63. Geography check

    Where is Emi Koussi located? The answer is Chad?
  64. Math

    Solve each equation by using the properties of equality. Check. 4x – 18 = 65
  65. asu

    calculus problem is u = 7i +9j + 2 k and v = -7i -9j - 2 k. and my ans is -135 how to double check
  66. help in math

    solve and check each of the following quadratic equation (1) x^2=6x (2) x^2=3x (3)x^2=17x (4) x^2=5x+6 (5) x^2+9x=10
  67. Lif oritation

    Wht are the check and balance that control the media?
  68. to ms.sue

    now i get it .later ill post you back to check the answer,okay?
  69. Math

    Solve & check your solution ( if checking isn't possible, explain why ) 5x/4 + 1/2 = x - 1/2
  70. Algebra2

    Check? Give the slope and y-intercept of the given line. 1. 2x-3y=6 = 3y = 2x-6 y = 2/3 x - 2 2. y=-2x = 2/1x + 1 3. y=3 = y=3/1x + 3 3y = 2x-6 y = 2/3 x - 2
  71. Algebra2

    Check? Give the slope and y-intercept of the given line. 1. 2x-3y=6 = 3y = 2x-6 y = 2/3 x - 2 2. y=-2x = 2/1x + 1 3. y=3 = y=3/1x + 3 3y = 2x-6 y = 2/3 x - 2
  72. Grammar

    He came in for his preoperative _____. A) check up B) checkup I answered B
  73. math

    solve 9x<-27 I did 9x/9<-27/9 x<-3 Just a double check. I believe this is right Thanks
  74. 7th grade math

    solve each equation. Check your solution. 1) 7 2 -X = - 3 3 2) 2 1 7c- - = - 3 2
  75. Literature

    Hi where can I find a free on line thing to check my writing ?
  76. Pre-Calculus

    Could someone check my answers? 27. (16/9)^2/3 = 64/27 28. (49/25)^3/2 = 343/125 31. (-64)^2/3 = 8 32. (-8)^-4/3 = 1/16 or -1/16
  77. alg 2 check?

    The polynomial 15xy+3x^3y^4 is what degree? I do not understand how to solve this
  78. Math help

    Solve this equation and check answer Fraction→n/56=8
  79. Math help

    Solve this equation and check answer Fraction→n/56=8
  80. Math check

    Round 9.9957to the nearst hundredths 10.0000
  81. MATH(CHECK ANSWERS=1)

    complete the statement 4c = blank p A.2 B.1(I PICK THIS) C.8 D.16
  82. Alg 2

    check for extraneous solutions. 0, 7^4 2^4, inside the equation x^5/6 = 9x^7/12 - 14x^1/3
  83. maths

    Solve this equation by completing squares and then check the solution.. x = 21/x-4
  84. hectorr

    Solve the fractional equation check yur solution 3[2x-(x+7)]=5(x-3)
  85. Math

    Name the coefficients in the polynomial 4x^2+3x-3 a. 4, -3, -3 b. 4, 3 c. 4, 3, 3 d. -4, -3 I choose d Check it pleaase!
  86. math helpppp !

    Solve the equation and check soultion 2(13t-15)+3(t-19)=0
  87. business math

    how do you check to see if your dollar markups are correct
  88. Civics

    Would someone be willing to check my quiz answers?
  89. English

    What are the answers for chapter 9? Final Check: Money Problems
  90. Math 222

    I need someone to check this to see if I am doing it correctly. k^3+k k^2+k-42 k(k^2+1) (k+7)(k+6) k=-7 k=6 (-0,-7)(-7,6) (6,0)
  91. U.S. History (Answer Check)

    What act triggered violence in Kansas?
  92. Mathematics

    what is the slope of the line that goes through (6 ,5) and (3 ,1)? 3/4 -3/4•• 4/3 -4/3 Check my answer
  93. Probability (check)

    In how many ways can 2 singers be selected from 4 who came to an audition? a. 6 b. 2 c. 12 d. 4****
  94. Math help ;-;

    Solve the equation. Check your answer. 5x-4(x+9)=2x-3 can anyone help me how to do this plz ;-; sorry
  95. Math

    7/8-5/12= 21/24-10/24=11/24 Can you check to see if I did this right and if not can you help me figure it out. Thank you for all your help.
  96. math or chemistry

    Check pls. 5.4 x 10^-2 by 2.5 x 10^-3 by 7.9 x10^-3 m volume = 107.44 x 10^-8 m^3
  97. MATH

    solving rational equations solve check your answer 5/3x+1=2
  98. chemistry (charges)

    just want to check if this group is neutral, R-NH2 thanks!
  99. Math

    Find each sum or difference -1/2 - 3/4 A.-1/6 B.-1/3 C.2/3 D.1/6 Im thinking D. but can someone check for me
  100. Math

    Write 3 16/25 as a percent. A)3.64% B)3.80% C)364% D)380% I think A. Can you check? THANKS
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