Math(Please help)

141,438 results, page 13
  1. Math

    Hello, Can someone help me with my math problem? Does |k – n| = |k| – |n| for all integers k and n? If so, give 3 examples.If not, give a counterexample.
  2. math

    Surface Area: 4r^2 41.25^2 S.A= 19.6 inches^2 Volume: 4/3r^3 4/3 1.25^3 V=8.2 inches^3 could someone check my math?
  3. math

    if i bought a car for $18,500 and price was 35% off what was original price and how do I do the math
  4. math plz help

    ok so i have this math problem and it says to list the recipricol and i don't know what a recipricol can you tell me what it is?
  5. math

    Lucas' last 4 test scores were 88, 95, 92 and 81. 90% or better is an A. What would he have to get on his fifth math test to pull up his grade to a 90?
  6. Math

    When you have a 76% in math and you need to get your grade up to a b and daily assignments are 10% and quizzes are 80%. How will I get my grade up to a b in 5 weeks
  7. Math Symbols

    PLEASE LIST ALL 7TH GRADE MATH SYMBOLS!!! PLEASE!!! I NEED THIS ASAP !!! :) THANK YOU!!!!
  8. Math(Arithmetic)

    How do you multiply fractions using manipulatives? Not in paper math way, but in manipulatives...
  9. math

    if i bought a car for $18,500 and price was 35% off what was original price and how do I do the math
  10. general math 1

    can you help me with penn foster general math 1 please exam #00701300
  11. Math

    Does anyone know the answer to the math riddle "Did you hear about..." the answer is 12 words and it's pg 167.
  12. math math

    the second of a trangle is 3 times as large as the first the third angle is 55 more that the first. find all three angle.
  13. math

    how do I solve this? I know it's common math, but I cannot remember how! -4x> 1/11 I think I multiply both sides by 11, but..... I can't remember how!
  14. Math

    Ok we are doing distributive property in math and I'm so confused on some of the problems. the problems are: 9+(x-4) 5-4x-5/-4 4(3x-2y)-3(4x-3y) 7(r+s)-(r-s) 3y-2(x-2y) Thank you so much for your help. Ellie
  15. Math test,

    Need a website to study off of for a math test, this what is on the test Times fractions and Understanding Fractions, I need a math website.
  16. Math

    There was a surge in math club membership after the fun Halloween party. When the principal asked Mrs. Germain how many students were currently in the club, she replied, "Three times our number plus a third of our number plus a fourth of our number plus
  17. Math please help

    There was a surge in math club membership after the fun Halloween party. When the principal asked Mrs. Germain how many students were currently in the club, she replied, "Three times our number plus a third of our number plus a fourth of our number plus
  18. math

    you want to use a square section of your yard for a garden. You have at most 52 feet of fencing to surround the garden. write and solve an inequality to represent the possible lengths of each side of the garden. Math - Dylan, Tuesday, March
  19. MATH

    My math book has this statement: "Describe how to use a Ten-Thousand Square to round numbers to the nearest 1000?" Is this the answer: If there is a number higher than 5 in the thousands place then you round up, but if it is lower than you round down?
  20. Math: is it? is it not?

    Is this math problem hard? - There are 12 brothers living in a mansion. Six brothers are sitting in a rectangular kind of table. Six other brothers stood around them. They all have ten huge backpacks. Each backpack has 8 large monkeys. For every large
  21. math

    I am confused: if the math problem is asking me for the proceeds of$ note at a % discount for # of months. the anwser is the whole total or the earned. I think is the whole total with the discount. 2. math problem ask for the amount of interest on $
  22. Math

    In math we're doing a review sheet and i don't get any of it so can someone please help!! What is the simplest form of the expression Radical 28 + radical 175 - radical 7
  23. math

    In 2013, the price of a business math text rose to $120. This is 10% more than the 2012 price. What was the old selling price?
  24. math

    how do i do this math problem ? what is my age ? add my age , plus half of it , plus a third of it , plus 3 times three . the results is 6 score and ten , what is my age ?
  25. Math

    I am very sorry but I was wrong with the problem. The math problem is: 9 / (3.6-2.1) Thank you Anonymus for your answer but I want the problem that I wrote above. If you help me again pleaseeeeeeeee. I don't know how to resolve this. Thanks again.
  26. Math

    Which survey question is biased? Which is your favorite, pizza or spaghetti? Which subject is your favorite, math, which is easy, or English, which is difficult? ••• Who do you live with: both parents, mother only, father only, or another guardian?
  27. math!

    hi im lauren and i have a big math test tomorrow(7th grade) and i need 2 know wht interval means. And i need the expalnation 2 be so simple that a little kid can understand it. lol. Can someone answer like in the next 10 mins plz! thx!! hurry peeps!!lol
  28. Math help??

    Find the missing length of the right triangle if a = 7 and b = 24. Read the followng and see if it hepls to solve this. If you still don't get it repost your answer. http://en.wikipedia.org/wiki/Pythagorean_theorem a sqaured+b squared=c squared 7
  29. Just for "Ms.Sue"

    Hey, "Ms.Sue". Ms.Sue you have been very helpful. But I keep getting stuck. 5th grade math is a challenge especially after my teachers stroked and we were out of school for almost all of September and no one in my house understands this new math either. I
  30. math-5

    Which choice is the answer? Show me please. Tara spent 3 hours doing homework. She spent 1/3 of her time on math, and 1/5 on science. Which method would provide the most reasonable estimate of the totaltime Tara spent on her math and science homework? a.
  31. Math

    Sorry if this is a lot of questions but What do you hear when you hear the word math? What do you believe when you hear the word math? What do you think when you hear the word math?
  32. math

    Which situation can be modeled by tossing a coin three times? a. choosing which one of sixteen teams will win a tournament c. selecting a desk from thirty-six in a classroom b. deciding which English teacher of eight will win a trip to London d. picking
  33. Algebra 1

    1.Which of the following situations best describes a student engaged in active learning. A. A student uses only one of the resources provided by the teacher*** B. A student skips parts of lessons that he or she finds difficult C. A student records
  34. Math

    Representing each sum as a single rational number. a.-14 + (-8/9). -14 8/9? b. 7 + 1/9 = 7 1/9? c. -3 + (1/6) = -3 1/6? Do i just add the fraction and number together? and, the last problem is: a student is completing a math problem and is at the last
  35. Math

    If someone earns $960 interest over 4 year period on a $6,000 investment, how do I solve this to find the percentage of interest per year. I know it is 4%, I just can't figure out how to show the math.
  36. math

    Hi, Can someone please help me with my math. The distance between Capeton and Jonesville is 80 miles. Thescale on the map is 0.75in : 10 miles. How far apart are the cities on the map? A. 6in B. 60in C. 600in D. 1067in Thank you :)
  37. Math repost for edie

    Math - edie, Tuesday, March 11, 2008 at 5:11pm The area of a square is 25 square meters. What is its perimeter? Please show all work
  38. math

    I have a math question.two fielda ats state park are 1000 meters from each other.on a map,the two fields are 8 centimeters apart.What scale is the map using?is it the metric scale??
  39. math

    how can you make varnish disappear Does this website answer your question? (Broken Link Removed) multiply "varnish" by -1, then add (after all you posted this as a math question)
  40. math

    Mr Ahmad starts work at 11.40 on Tuesday.He works for 12h45min.When does Mr Ahmad finish his work?Express your answer usering the 24-hour clock Math
  41. math exam tommrow review

    the mean score on a math test taken by 15 students was 82%. one more student takes the test late and earns 93%. what is the new mean score? please show work
  42. math

    i took the sat and received a score of 488 on the math section. the average score was 445 with a standard deviation of 110. where does my score fit in the sample and what is the z score?
  43. math

    hi my name is hedi and i am in serious need with help with some math problems dealing with polynomials can some one please help me? Determine whether each expression is a polynomial. If it is a polynomial, state the degree of the polynomial. (This is the
  44. math

    plz help students in a math class need an average of at least 90 points to earn an A. one student test scores are 88,91,and 85 what must be the strudent score on the nest test to earn an A? it is Inequalities
  45. Math

    I am stuck on doing this math problem written on a sheet of paper. (eighty-one thousand minus fifty-five thousand, four hundred fifty-six) It mas to be done manually, without a calculator.
  46. Math repost for Kenya

    math - kenya, Monday, September 24, 2007 at 6:42pm the cds cost 9.95 each cd if the discount were only 1% what totaldiscount amount would Mr.knapp receive on the 15 cds
  47. math

    You have several 5x11 rectangles, using only these rectangles, what can you make? A) 39x54 rectangle? B) a 39x55 rectangle? Plz help my parents are at work and sisters are doing homework, I'm 9 help!!! ( math due tomorrow!! )
  48. TIP MATH!

    Explain how mental math can be used to estimate a 15% tip on a taxi ride that costs $23.25. PLZ HELP! BE VERY Descriptive on how you did this! I'm Sick Today So I've Barely Have Brains To Do This Today, So HELP!!!
  49. Math Homework Help

    Hello! I'm having problems with these two math problems. I've tried to solve them but I got nowhere. If someone could please help me, that would great! Thanks again! :) Directions: Verify the identity for each problem. 1.) cot^2y(sec^2-y-1)=1 2.) cosx+sin
  50. math

    A college offers nine different psychology courses,four different history course,thirteen different math course,and five different business courses. If a student is required to take one course in each of those four subjects,how many different ways are
  51. math

    I am getting so confused with my math problems... Can you help me please?... The question is - Rounded to the nearest ten I am 800. I am not odd. All of my places have a value greater than 0. The number in my ones place is 1 less than the number in my tens
  52. Math

    Use the graph below to answer the following question. I'll post the link to the graph below. Find the slope. A. 2 B. -1/2 C. -2 D. 1/2 Honestly I'm horrible at Math so I can't really pick a answer can someone please help me? Please explain to me how to
  53. Math

    8 Elizabeth recorded the length in centimeters of the pinky fingers of 10 students in her math class. The results are shown below. What is the mean absolute deviation for length of a pinky finger? 6.1, 5.4, 5.8, 6.3, 6.2, 5.9, 6.5, 5.2, 4.9, 5.5
  54. math

    What is the definition for an EXPRESSION ? An expression in English can be a short sentence, or a sentence fragment. Take a hike. Go figure. What's up? Whatever. In math, an expression is again a fragment, it can be complete or not complete. 2x + 1
  55. Math 11 - Rational Expressions

    I really don't understand how you find or identify the restrictions at all for rational expressions, can someone talk me through it? I have a math exam Monday and I'm stressed. Thanks. Here are some examples for my textbook if needed... 1) 2x + 1 / 2x - 1
  56. Math

    Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct? A. 0.23 B. 0.34 C. 0.66 D. 0.78
  57. Math

    Hello! I am here because I have a question. In math we are starting a new unit: Probability. One of the questions on my homework are "A number cube with the numbers 1 through 6 is rolled. Find the probability of rolling a complement of 4." I have no idea
  58. Math

    Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct? A. 0.23 B. 0.34 C. 0.66 D. 0.78 Is it B?
  59. Math- consecutive intigers

    A student opens a math book to two consecutive pages with a sum of 1640. What are the two pages? I would need one odd number and one even. 819 and 820 are as close as I can come. What am I missing?
  60. math

    a tank was 10 percent full and contained 30l of water what is the full capacity of the tank please dear lectures it is not my homework i am poor in math and tommorow is my test if i could please get the work now
  61. math

    Need help with this quadratic math equation... Question: (x+1/x)^2 - 14(x+1/x) = 72 ended up with: x^2 + 1 - 14x^3 - 14x -70x^2 = 0 Where do I go from here? I'm trying to find a way to apply the quadratic formula to my results, but I'm having trouble. Is
  62. Math

    How do you explain to 6 year old what a rectangular coordinate system is and why it is important in math. What information is needed to locate a point in this system? And how does this relate to mapping and finding a point on a map.
  63. math literacy, all sciencez

    I'm a student doing grade 12 my subjects are math literacy, geography, life sciences,physical sciences,L.o ,xitsonga and English and would really want to know the best career path or choice for me.
  64. Math

    I have math HW and these are the questions i wasn't aware of how to answer... please help. a)Prove that 4x-y-1=0 is parallel to y=4x-5 b)Show that the points A(3,1), B(5,2) and C(11,5) are collinear c)Show that the lines y=2x-4 and x+2y-10=0 are
  65. math

    Of the first graders who were asked, one sixth like math best, two thirds like reading best, and 12 like science best. How many first graders were asked their favorite subject? Please provide a "Draw a Picture" strategy to solve the problem.
  66. Math

    In math, if you are tracking your actual weight on a month to month basis, what kind of slope would you expect (negative or positive), remembering that goal of a diet is to lose weight.
  67. 2nd grade math

    in a lesson about reading strategies and making predictions in math i was asked this... celia has a new kitten. it is 5 inches tall. will it be 5,12, or 24 inches tall when it is grown up? how do i fgure this out?
  68. Math

    My math teacher gave us this problem. Put the numbers 8,6,2,5,10,1,3,7,9,4 in number order of 1 to 10 in 5 moves. You can move 1,2,or 3 numbers for each move. If you don't have time to solve, any tips would be great!
  69. 8th grade math

    A 20 ounce bag of popcorn costs $2.80 at the movie theater, if the unit price remains the same, how much would a 35 ounce bag cost ? Please help me, I'm in math class and Im stuck.
  70. math

    writing in math Bethany has 40 apples. Write a subtraction story about the apples that would require regrouping. then write the answer in a complete sentence.
  71. Math Pre-Calc.

    Determine the domain and range of y= (radical) x-4 y= (radical) x^2-4 plz help me step by step. I just need to refreash my math, but i forgot how to find it
  72. Math

    Sita needs a perfect score of 100 for math test in this year so as to improve on her average score from 84 to 86. How many maths tests were there altogether in this year?
  73. math

    I have a math assignment and i am meant to do i backyard design and i have to fit in a fishpond which has an outside diameter of 2.5 and a water depth of 40cm. how should i measure it out into the backyard design?
  74. math

    I really need help with math test. I can't post questions on here cause they won't cut and paste right. Is anyone willing to send their email and I will send them the test for help? It was due sunday and I am so lost
  75. 4 th grade Math

    Of the first graders who were asked, 1/6 like math best, 2/3 like reading best, and 12 like science best. How many first graders were asked their favorite subject? Into how many equal parts should the picture be divided?
  76. Math

    3x-2 over 2 (fraction format) -x over 4 (fraction format) = 15. I know that I need a LCD but when I tried 2 it didn't seem to work right. the only hint my math teache gave was the answer has to be a mixed number. Can anyone help?
  77. Typos, math, physics

    Would everyone who posted math and physics problems this morning please go back and check for typos? It is difficult to guess what you mean and we do not have your text book.
  78. Math 221

    what is the perimeter of a square using 13ft. Math 221 - Ms. Sue, Sunday, July 13, 2014 at 1:56pm Is 13 ft the length of a side of the square? yes
  79. math

    Can someone please show me how to estimate mixed numbers. An exsample like 6 and two thrids times 4 and one fifth. Also estimate by rounding to 0, 1/2, or 1. Exsample...5/8x9/10. I would appreciate any help I am in the 6th grade and me and math are not
  80. Math I need help Ms. Sue please answer!

    6th Grade Math: Write 144 as a product of prime factors. Then write the prime factorization using exponents.
  81. math

    Please anyone to help me solve this question A piece of copper wire is 52 2/3 m long. If each piece has been cut of 3/4 from it. What length will remain after cutting pieces? math question
  82. math

    jon spent 1/2 of his study time doing math homework and 2/7 proparing for a history exam. Waht fraction of his study time remains?
  83. Math

    A container has capacity of 2/3. It is filled 3/4. How many liters of water will be left in the container after 1/6 liter is poured out? I have no idea how to do this problem! Please help guide me through this math problem! Thank You!
  84. Math

    Need help on the following math problem. A dress pattern requires 3 1/8 yards of fabrice. Mom purchases 34 3/8 yards of fabric. How many dresses can be made using the pattern?
  85. statistics

    Given that the general population is normally distributed on a standard scale measuring math aptitude with Mean = 50 (s.d. = 10), approximately what percentage of the population has a math aptitude score between 40 and 60?
  86. math trivia

    larry has 3 children. the product of their ages is 36 and the sum of their ages wont help you. the youngest is blonde. how old are the children? this is a "fun" math activity? help!! :)
  87. math

    What are the following symbols used in math sequences: a sub i, n, N? ai is the ith element of the sequence n is the value of i in the term you are refering to. For instance, 3,4,5,6 a3 is 5. That term corresponds to n=3 N is the number of terms in the
  88. 4th grade math

    In helping my 4th grade grandson last night with his math, he had problems like this 93 * 18. I asked what the asterisk meant and he said the teacher said to "figure it out"
  89. Math

    tiffany will us a total of 63 tiles for her art project she only needs 17 more tiles use mental math to find how many tiles she has already
  90. math

    math . please help me to answer this i really don't know what is the answer I need the answer later i have 2 more hours to finish this. please help me Find the value of x if the geometric mean of 2x and 19x-2 is 7x-2
  91. math

    in math problem.how to change simplified fraction form 2/3 to decimal form and percent form
  92. algebra

    Jacob has a mean score of 78 after his first four math tests. He wants to make a B, or an average of 80, in math. What does he need to score on the fifth test to have a mean score of 80?
  93. math

    In your opinion, how is the order operation used to solve equation. exponets, groups, multiplication, division, addition, subtraction. This allowes you to get the same result every time..... I hope this helps :) I searched Google under the key words "math
  94. math

    35 divided by [9 plus (9-7) minus 4] plus 10 times 3..can someone please explain how to do this problem math - Evan, Tuesday, May 11, 2010 at 8:37pm think of "Please Excuse My Dear Aunt Sally" P is for paranthesis first E is for exponents M and D are for
  95. math

    35 divided by [9 plus (9-7) minus 4] plus 10 times 3..can someone please explain how to do this problem math - Evan, Tuesday, May 11, 2010 at 8:37pm think of "Please Excuse My Dear Aunt Sally" P is for paranthesis first E is for exponents M and D are for
  96. Math

    For an experiement to test elastic collision, ball 2 was at rest and ball 1 was released from a certain height and distance and hit ball 2. A set of measurements were collected which was v1 and v2 prime for each ball. I need to calculate the kinetic energy
  97. Math

    14.Henry rides his bike 6 miles every 4 days at that rate how far will he ride his bike in 12 days? A.6miles B.12miles C.16miles D.18miles D 25.Evelyn used 4 eggs to make 2 omelets. What is the ratio of number of omelets to number of eggs used? A.4:6 B.2:1
  98. Math help please

    I'm so lost on this math Hw it's over factoring variables and I don't get it. Like my teach said that we are supposed to have the number and letter in front of everything. For example: -14x^2-7x+21 For factoring I got 7x(-2x-1+3) Because my teacher told me
  99. math

    The final math grades for all 6th graders were A: 125, B: 200, C: 350, D: 95, and F: 25. Make a bar graph to display this data. In the box below, write a description of your bar graph.
  100. math,algebra

    How do you solve these types of math problems. Directions: Solve each literal equation for the indicated variable. A=1/2h(B+b) (For b) Area of a trapezoid It is just a matter of algebraic manipulation. A=(1/2)h(B+b) Multiply both sides of the equation by