dwrls,math

140,288 results, page 24

  1. math

    I asked this question but no one answered it. Can someone please help explain this before I have my math test today. THANKS. A carpenter has several boards of equal length. He cuts 3/5 of each board. After cutting the boards the carpenter noticies he has enough pieces left to ...
  2. Math fractions

    Carlos spent 1 1/4 hours doing his math home work. He spent 1/4 of this time practicing his multiplication facts. How many hours did Carlos spend practicing his multiplication facts? Need an answer in numbers and an answer in fractions.
  3. Axia Math 117

    I am of need of HELP. I am working on the word problems for AXIA math 117 and I do not understand the first problem. I have listed the information below. I have tried many times and I have not figured this out. My assignment is due tomorrow and I am desperate for help with ...
  4. math To MS.SUE

    Ms sue i really want a hundred percent on one algebra test im in algebra and im so smart and good at math but the thing is in my class we tooken 4 tests and on all of then i only got one wrong whit the most minor common mistake i don't understand just one question wrong i ...
  5. Math Poster Project

    I have do complete a poster for math but I have some confusing instructions at first. Please help me understand and provide an example using the directions below that were given to me: Choose four rational numbers. At least two of your numbers should be between -1 and 1, one ...
  6. Math

    For a math homework assignment, Karla found the area and perimeter of a room of her house. She reported that the area of her rectangular living room is 180 square feet and that the perimeter is 54 feet. When drawing a sketch of her living room the next day, she realized that ...
  7. math

    The number of boxes on a truck varies directly with the time since the workday began. At 3 hours after the workday began, there are 207 boxes on the truck. How many boxes should we expect there to be on the truck hours after the workday began? Show the math.
  8. Math

    Math help please? Eric, Jose, Shannon, and Jackie wanted to plant a garden. Jose’s dad said they could use a rectangular space in the backyard that was 8 m by 4 m. The friends decided they would first like to make a colorful border for the garden using small flowering plants...
  9. Math

    I need an expiation on a math concept, because I know the right answer, I just don't know why it is The problem says to find the absolute maximum and minimum of the function f(x)=x^3-12x over the interval [-5, 2] I found the 1st der. 3x^2-12 and set equal to zero, got the x ...
  10. algebra

    I am having trouble finding the greatest common factor when there is a variable. I have these two problems I need help with. 1. what is the GCF of 7x^2 and 14x^3 2. what is the GCF of 4x^5 and 6x^7 The exponents are throwing me off. http://www.math.com/school/subject1/lessons/...
  11. @ Angie - math

    Angie, I've reposted your question. You've posted this several times on other people's questions. That's called piggy-backing here and we delete posts that interfere with others' questions. Name: Angie Subject: math Message: Chad climbs a 57-foot tower to ride a straight water...
  12. math

    Hello! I am confused on how to do this math problem. Can you please help me or explain how you get this answer please? Miriam orders a shipment of 1, 500 pounds of ice for her supermarket. The ice comes in individual 5-pound bags that cost Miriam orders$2.50 each. Miriam sells...
  13. math

    Snell's law of refraction can be written as sin i = n sin r, where n is the refractive index from air to water, i is the angle of incidence, and r is the angle of refraction. In an experiment where a ray of light is directed from air into water, if the angle of incidence is 46...
  14. Math

    Lee Holmes deposited $16,600 in a new savings account at 9% interest compounded semiannually. At the beginning of year 4, Lee deposits an additional $41,600 at 9% interest compounded semiannually. At the end of year 6, what is the balance in Lee’s account? I have tried and I...
  15. Math lovely Math

    A boy had a box of animal crackers. He counted them out and found 20 cookies. 7 elephant cookies 6 tiger cookies 5 monkey cookies 2 zebra cookies Suppose the boy put all the cookies back into the box and took 1 out without looking. What is the probability of him choosing.. An ...
  16. math

    Hi 2 math questions: 1. Is the sum of the same as adding the two numbers? the ? the sum of 14 and 16 2. Is the quotient the same as dividing.. the ? the quotient of 114 and 6 Sum is adding, quotient is dividing.
  17. math

    My son is doing this in 6th grade math class. Mr. Weiss started painting the kitchen at 8:45 am and finished painting at 12:00 pm. About how many hours elapsed between the time he started painting and the time he finished painting the kitchen? Answers are 2h, 3h, 4h, and 5h. ...
  18. English

    1. I laugh. Don't laugh, I tell myself. Think of tomorrow's math test. That works. I sit quietly. -------------------------------------------------------- In the book, 'Don't laugh' is in italic type. In the book 'Think of tomorrow's math test.'is in italic type. In that case...
  19. subtracting fractions

    4/5-2/3=? Find the least common denominator of 5 and 3 so that you can convert the two fractions to fractions that have the same denominator, then you can subtract them. Repost if you still have trouble. http://www.math.com/homeworkhelp/HotSubjects_fractions.html =) The LCD of...
  20. Math

    omg thank you soo much for helping me and the 3 question is 4/x = 36/100 = 1.)Mrs. Neruda has 80 math student last year. This year she has 100 math students. What percent shows the ratio between the number of students last year and the number of students this year? #2)A can of...
  21. Math

    I am having a problem answering this math problem. Andrea has a box of marbles in it. She has seven red marbles, thirteen blue marbles and nineteen yellow marbles. If she reaches in and takes out marbles without looking, what is the fewest number of marbles she will need to ...
  22. math

    Mrs. Cason gives her class a spelling quiz every Monday, a math quiz every other Monday and a history quiz every third Monday . Sally smarty is in Mrs. Carson's class. She received a grade of 100% on all three quizzes today. How long will it be before she again has to take all...
  23. math

    Below is a set of at least two related math/science "words" with their letters combined and arranged in alphabetical order. When you successfully unscramble the letters into the component words, there will be can additional word that should be in the set. That additional word ...
  24. MATHS

    A travel agent arranged a payment plan for a client. It required a down payment of $150.00 and 12 monthly payments of $642.00. What was the total cost of the plan? 2. translate into math expression and solve. Some number divided by negative four is four. 3.The sume of three ...
  25. MATH -BRAIN TEASER- PLEASE HELP

    page # D-76 What Relation Is a Doorstep to a Doormat? Both are stepped on. no You didn't put any parameters on this and I think its a great answer. How bout the relation being a stepson (steps on) I got astearther.... No wait it's A Step Farther eh....?? w/e I need to know ...
  26. Math

    Two teams, the Exponents and the Radicals, square off in a best of 5 math hockey tournament. Once a team wins 3 games, the tournament is over. The schedule of the tournament (for home games) goes: E-R-E-R-E If the Exponents are playing at home, there is a 60% chance they'll ...
  27. math

    please check and see if my answers are correct if not let me know so i can redo these and find where i messed up 1. divid by moving the decimal point 27.3 dived 10^5 my answer .000273 2.Jon spent 1/3 of his study time doing math homework and 2/7 preparing for a history exam. ...
  28. Math

    At Jefferson School, both 6th grade & 7th grade classes take a math test. The average score for the 6th grade is 80 and for the 7th grade is 90. If there are twice as many students, in the 7th grade as there is in the 6th grade, what is the average test score for both grades ...
  29. Math

    105 91 82 59 97 72 72 88 81 What is the mode of these scores? A.46 B.72 C.82 D.83 B? 2.The test scores of 1 students are shown below 95 63 78 86 84 86 91 95 72 93 87 74 What is the median score of the 6 highest grades? A.86 B.91 C.92 D.93 C? 3.The test scores of 12 students ...
  30. math

    can you please check my work. The time in minutes that it took five students to complete the math test was 45, 27, 30, 25, and 48. What is the mean absolute deviation of the times? I did 25+27+30+45+48= 175 then I divided it by the 5 students. 175/5= 35 so now I did the ...
  31. 11th grade math

    Below is a set of at least two related math/science "words" with their letters combined and arranged in alphabetical order. When you successfully unscramble the letters into the component words, there will be can additional word that should be in the set. That additional word ...
  32. 12th grade math

    Below is a set of at least two related math/science "words" with their letters combined and arranged in alphabetical order. When you successfully unscramble the letters into the component words, there will be can additional word that should be in the set. That additional word ...
  33. algebra 1

    find the complement and the supplement ofeach angle measure 1)130 2) 11 3) x,(x+20) http://www.wtamu.edu/academic/anns/mps/math/mathlab/beg_algebra/beg_alg_tut33_geom_ans.htm 72+27a+a2
  34. algebra 1

    v(v-3)= v^2+6 Does any one know if this is in the quadratic form or not The v^2 means v second power No it is not. Please read: http://www.wtamu.edu/academic/anns/mps/math/mathlab/col_algebra/col_alg_tut20_quadform.htm
  35. Question

    Will these clubs below help me get into one of these colleges: 1. Illinois state university school of arts 2. Yale University School of Arts 3. The Illinois Institute of Art — Chicago 9th Grade Club • Epiphany (Literary Magazine) • Heart Club • Helping Hands • QED- (...
  36. math

    At the faculty costume party, each teacher from Transylvania Middle School came dressed as his or her favorite creepy creature. The teachers arrived one at a time, and when a new teacher came in, each of the teachers alredy there lined up at the door and shook hands with the ...
  37. Math

    You start a search for a buried object by marking the center of the field as (0,0), with coordinates giving distances in yards. Coordinates to the north or east are positive, and the coordinates to the south or west are negative. You find nothing at (-10,6), so you try a ...
  38. Math

    I'm tutoring someone 1st year arts math and they have been given this difficult question that I cannot mind boggel. It goes as follows: There are 6 couples at a party. Each can shake another persons hand once, but they can never shake their spouses hand. At the end of the ...
  39. unscramble this word!!

    i need help unscrambling these words : slebsurs prusto tripcoa harbrub surgpassa bekrechuryl 2nd one- apricot 3rd rhubarb Is there a certain subject? asparagass-4th brussels sprout 1st huckleberry last one CERINOSMOG Okay.. so I am doing a math assignment and in our workbook ...
  40. PLEASE HELP ASAP!!!MATH

    Here was my question The mean height of 5 students is 59.4. If one of the students leaves, the mean height becomes 61. What is the height of the absent student? Heres Bob's answer but what does set them equal mean?? SOMEONE HELP! math - bobpursley, Wednesday, May 26, 2010 at ...
  41. Math 11

    I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. Substitute: diagonal distance: 107cm length...
  42. Math Brain Teaser

    I have a math brain teaser that I am sure it sooo simple that I am missing it. A man, buying steaks for his restaurant, approached a butcher. "How many steaks do you have for sale," the butcher answered, "And how much are they?" "The steaks are $6 a piece if I pick them out, "...
  43. tourism,geography,economics and math literacy

    What career can I do with geography,economics,tourism and math literacy
  44. math

    To find the area, but the easiest approach is using Brahmagupta’ s formula1: If a quadrilateral of side lengths a, b, c, d can be inscribed in a circle, then its area is given by A = sqrt<(s − a)(s − b)(s − c)(s − d)>, where s = (a + b + c + d)/...
  45. MATH 115

    1. find the rate 635ft./5 seconds= 2. complete the statement 82cm = mm 3. complete the statement 15g = kg 4. sabrina has the following math quiz scores 19, 24, 25, 17, 13, 18. find her mean score, to the nearest tenth if necessary. 5. eleven applications for a certain position...
  46. English

    1. He goes to an academy to study math and English. [Is 'an academy' in generic use? Or Does 'an' mean 'one'?] 2. He goes to academies to study math and English. [Is the word 'academies' in generic use?] 3. He goes to the academy to study math and English. [Does 'the academy' ...
  47. math

    I have a question in my math class in college. Here is the question, but I just need help on HOW to answer it. My text isn't clear at all. A box contains 2 black balls and 3 gold balls. 2 balls are randomly drawn in succession. a.if there is no replacement, what is the ...
  48. Math

    Are these correct? I need to bring my grades up for math. Please help! 1. Identify the decimal and simplified fractional form of 60% A)0.6 and 4/5 B)0.6 and 3/5 *** C)0.06 and 3/5 D)0.06 and 6/10 2. A baseball team wins 45% of its games. What fraction of games does it win? A)8...
  49. Math

    Can you help me understand this math problem...I could figure it out the long way but I think there is a formula that I can use that I'm not remembering: I have 18 different colors of marbles. I'm going to arrange them in sets of three. I want to do this 6 times with out any ...
  50. PLEASE HELP! Math

    I really need help with this one question on my math pretests and I have no idea what to do! The question is: Mandy begins bicycling west at 30 miles per hour at 11:00 am. If Liz leaves from the same point 20 minutes later bicycling west at 36 miles per hour, when will she ...
  51. Math, Algebra

    So I've tried for two days to figure out this problem. I tried to ask my friend to help me but she just won't. My parents don't know anything about math, they said so themselves. The first day I tried I cried I got so frustrated. The second day I just gave up. Today is my last...
  52. math

    Posted by Ted on Wednesday, January 30, 2013 at 5:05pm. susan has $450. she uses 30% of her money to but a dress and 20% of the remainder to buy a pair of shoes. how much money does she have left? i got $225.00 left. am i right math - Ms. Sue, Wednesday, January 30, 2013 at 5:...
  53. Math

    I am not exactly sure of what I'm supposed to do in the following question: Describe and correct the error, given the functions f(x)=3x - 5 and g(x)=1/3 - 4/3. The first equation is as follows: g(-3)= 1/3 - 4/3 (3) =1/3 - 4 = -3 2/3 The second equation is: f(1)= 1/3 - 4/3(1) =...
  54. Math

    My son is having a math test tomorrow I am unable to tell properly. Thank u so much for u r help ~Be able to identify and draw the following: triangles, rectangles, squares, trapezoids, pentagons, hexagons, and cubes. ~Tell how many sides and angles the shapes have. ~Explain ...
  55. math ,correction

    Problem#1 Directions: Find the distance between each pair of points. (-3,0) and (4,0) My answer: d = 7 Problem #2 Directions:Use the Pythagorean theorem to determine the length of each line segment. Where appropriate, round to the nearest hundredth. Points (1,-1)(3,2) My ...
  56. Math Homework

    Hello! I need help with these math questions, thanks! :) 1.) Solve the system by substitution. 5x + 2y = -17 x = 3y 2.) Solve the system by substitution. x/3 + y = 4/3 -x + 2y = 11 3.) Solve the system by elimination. 2x - 3y = 0 2x + 6y = 3 4.) Solve the system by elimination...
  57. math lit, geography, life science,business studies

    hey there! what career can do with math lit, geography, life science and business studies?
  58. math

    If everyone had the same body proportions, your weight in pounds would vary directly with the cube of your height in feet. Assume the average height and weight of a female in your math class is 5'5" and 150 pounds. Use this information to write a variation equation then use it...
  59. math

    It's been several years since I have had to do math and I am posed with this ? and don't recall how to find the answers. There is a fixed overhead of $1 per bolt. They make a run of 10,000 bolts at a total marginal cost of $70k. They sell them all, and lose $20k. What is the ...
  60. math

    Help. I have not done math in a long time. I need help making the equation. I will be able to complete the equation if I only knew how to write out the equation. At a depth of x feet under water, the pressure in pounds per square inch is .43x + 14.7. What is the pressure in ...
  61. Creating High-Quality Centers

    Which of the following teachers is using the computer most effectively? A. "I use the computer to manipulate figures and place the actual hands-on manipulatives nearby." B. "I use the computer so that children can manipulate geometric figures." C. "I believe that my preschool ...
  62. Math

    On Joe Martin's graduation from college, Joe's uncle promised him a gift of $12000 in cash or $900 every quarter for the next 4 years after graduation. If money could be invested at 8% compounded quarterly, which offer is better for Joe? I have done this problem but I keep ...
  63. Math/Euler's Method

    Consider a cooling cup of coffee whose initial temperature is 205°. The room temperature is held at 70°. Suppose k = 1/16. Let y be the temperature, and y' its time derivative. ----------------------------------- I have the differential equation: y' = (-1/16)(y-70) Initial ...
  64. Math

    i have to do math riddles and their hard so can you help me out with this one please "six students lined up for a free throw competition. The fourth person won the event. Place the students in order and identify the winner. Paulin went before Ayla and rowen. Ayla shot right ...
  65. Math

    20. The time t required to drive a certain distance varies inversely with the speed, r. If it takes 2 hours to drive the distance at 67 miles per hour, how long will it take to drive the same distance at 55 miles per hour? a. about 1.64 hours b. about 134.00 hours c. about 2....
  66. Math CONTINUATION OF QUESTION FROM bobpursley

    Thank you for answering the question before bobpursley, I understand how you did the deriv of inside, outside, but how do I now do the second derivative since you have the extra -18x^2 in the numerator?? Thank you very much! (I suppose I have to brush up on my derivatives) ...
  67. math fair projects

    what are some good math fair projects Here are some broad ideas, I don't know your grade level. Use the Google search engine to find out details. Golden Mean Fiboccani numbers Discovery of Calculus The history of PI Archimedes Square yeah those are pretty good. a nice broad ...
  68. writeacher

    because in the previous message about the pemdas it is parenthesis,exponents,multiplication,division,addition,subtraction therefore how that little part that looks like this 12 divided by 2*2 it would be multiplication first then SORRY THEN DIVISION SO THAT MEANS OVERALL IT IS...
  69. math logic correction !!

    What comes next in the sequence? st, nd, rd, th, __, __. Sorry about typos in previous question. th, th These are the two-letter endings to "ordinal" numbers, starting with the "first". See http://www.janbrett.com/piggybacks/ordinal.htm Thanks for your example, but I still don...
  70. math-steve

    When Mr. Lucky starts betting, he has 3 dollars. On any bet, he wins with probability 1/3 and loses with probability 2/3. If he wins a bet, the total amount of money he has triples. If he loses a bet, he loses 2/3 of the total amount of money he has. Mr. Lucky’s objective is...
  71. math 2 questions plz help asap

    1) Mr. customs is correcting the class's math homework on customary units. which of the following measurements is reasonable? A. a pencil is 12 feet long B. the back porch is 12 inches wide C. the 3rd hole on the golf court is 123 miles long D. the distance from new York to ...
  72. math(check answers)

    please check my math ANSWERS 1.which pair of ratio form a proportion? choose all that apply. A. 1/6, 4/20 B. 7/9, 28/36(I PICK THIS) C. 14/18, 21/27 D. 30/80, 8/18 2.which pair of ratios does not form a proportion? A. 3/5, 24/40 B. 30/10, 15/3(I PICK THIS) C. 9/14, 3/4 D. 7/12...
  73. Math w/reply

    Hey there, just need help with these two. I need someone to help explain them to me/break them down. 1. gr 1/100=_____mg Answer: 0.6 2. 0.3mg= gr_____ Answer: 1/200 3. gr iii /ss= ______mg Answer: 210 Thank you in advance! *** REPLY: I did not get these answers. These are the ...
  74. Math

    In a group of 40 students, all students study maths, 28 study biology and math, 20 students study geography and maths and x students study all three subjects. a. Draw a venn diagram to represent the information above, showing in terms of x, the number of students in each ...
  75. Math (Transition)

    I need some help in math here is the problem if anyone can help me please reply When the fuel tanks of an airline are 3/8 full, they contain at least 6300 gallons. How much fuel can the airliner hold when the tanks are full? Since 3/8 equals 6300, you need to see how many ...
  76. math (transition)

    i need some help in math here is the problem if anyone can help me please reply When the fuel tanks of an airline are 3/8 full, they contain at least 6300 gallons. How much fuel can the airliner hold when the tanks are full? Since 3/8 equals 6300, you need to see how many ...
  77. math

    A golf ball is to be hit 300 yards straight to make a hole in one. Having only played miniature golf, your first swing makes the ball skew 50 yards N 30 W. Trying to get back on track, the second shot goes 80 yards N 35 E. Now you are very upset with this game and you swing ...
  78. Math

    1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.(12:30) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2 B.18/27 C.(30:45) D.(24/32) 3.what is the unit price for one CD...
  79. math-old

    A bag got mix up 6 pairs of shoes – 2 red, 2 blue, and 2 purple. Picking randomly, how many shoes must I pick before for sure that there is one matching pair in red or blue? Ms Sue answered 4. Request for explanation please. math - Ms. Sue, Tuesday, January 29, 2013 at 10:...
  80. math

    A researchr assistant made 160mg of a radioactive, and found that there was only 20mg left after 45hours. a) What is the half-life of this substance? b) Write a function to represent the amount of substance left after x hours c) If the researcher kew he needed 100mg of the ...
  81. Math

    Hello i am doing assignment in my math 20-2 class. The question is: data collected of cars passing on the road revealed that the average speed was 90 km/h with a standard deviation of 5 km/h and the data which is normally distributed a policeman is assigned to set photo radar ...
  82. Math!Please Help.!

    Hi.-It's Margie and I have a Math Lab to do but I don't get this.If you can, please help.: Use the Pythagorean Theorem to find the diagonal of the new room. length=22 width=25 area=350 Is the area supposed to be 550 instead of 350? Area of a rectangle is length times width, ...
  83. math

    i have math homework and it says i have to find 1 pair of rectangle that are simular and find the scale factor but i cant find the scale factorthe k rectangle is 4 cubes base by 3cubes height and n rectangle is 12 cubes base and 1 cube height but i cant find the scal factor ...
  84. math

    The Zalinsky family can drive the 220 miles to their cabin in 4 hours at 55 miles per hour. Son Jeff claims that they could save half an hour if they drove 65 miles per hour, the speed limit. How long will it take the family if they drive 65 miles per hour? My solution is 3 ...
  85. Quick math help

    My math exam is coming up Friday and I need help!! Can you please guide me throgh the processes on the three questions? Thank you so much greatly apreciate it!! Write the standard form of the equation of each line given the slipe and y-intercept. 1. Slope= -1/5, y-intercept=0 ...
  86. math-followup

    A bag got mix up 6 pairs of shoes – 2 red, 2 blue, and 2 purple. Picking randomly in the dark, how many shoes must I pick before for sure that there is one matching pair in red or blue? Ms Sue answered 4. Request for explanation please. math - Ms. Sue, Tuesday, January 29, ...
  87. math

    d-14=13
  88. math

    c-68=78
  89. Math

    [52 + 10] 62 62
  90. math

    what is u, w, and z? what are you asking?
  91. math

    x= 6/4
  92. math

    Thanks. I will.
  93. math

    5+5=10 yes
  94. math

    what is 80% of 5? 4 4
  95. math

    2+2= 4
  96. math

    7k^2-6k+3=3 7k^2-6k+3=3 7k^2 - 6k = 0 7k^2 = 6k 7k = 6 k = 6/7
  97. Help in math

    12.
  98. MATH

    5+2 5 + 2 = 7
  99. math

    6*(5+4) 6 x 9 = ?
  100. math

    1 1 /3 X 1.80 1 1/3 = 4/3 4/3 x 1.8 = (4 x 1.8)/3 = 7.2/3 = 2.4
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