Math(Please help)

141,203 results, page 18
  1. math

    Eli's Dad made him a birthday cake, but forgot to buy candles. He could only find a few. But Eli was smart in math, so his Dad said,"The ratio of candles to years is 3 to 5." That gave him the right number. How old was Eli?
  2. Math

    Eli's Dad made him a birthday cake, but forgot to buy candles. He could only find a few. But Eli was smart in math, so his Dad said "The ratio of candles to years is 3 to 5" That gave him the right number. How old was Eli? I am very confused on how to even
  3. Math

    Hi, would someone mind just checking the answer I got for this formula and tell me if I'm on the right track or not. Question... x+y=21 3x=4y Answer I got... x=84 y= -63 I didn't get that. Check your math. I found 7y=63 but not y = 63. You can always check
  4. mat115

    Please help with this math problem. The math question asks, "Identify the numerator and denominator of the fraction 3/8. Please let me know if I am correct? numerator is the 3 and te denominator is the 8. Is this a trick question? My professor want me to
  5. Math

    Hi. This is my question: An art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with string. What would be the radian measure of the angle between two adjacent pieces of string,
  6. math

    4th grade math homework. rounding sums and differences. paper say "round each number to its highest place. then estimate the sum or difference." example says 92 +28= then says round to 90 and 30 to make 120. further down numbers get larger 12646 + 9103= do
  7. MATH LOGIC AGAIN

    Hi can some one go back to my Math logic problem and possibly give me one more example? thanx :) I found a paper you may want your library to get for you: http://cat.inist.fr/?aModele=afficheN&cpsidt=13604737 It is probably in the local college library. I
  8. jasmine20

    I just wanted to say I have seen you getting better in math as time goes on. You take the ideas presented to you and do a really good job of figuring out how to apply them. Noticed your hard work and thought I'd give you a kudos. I notice other hard
  9. math math

    Given the linear equation , find the y-coordinates of the points (-6, ), (-3, ), and (3, ). Please show all of your work. Plot those points and graph the linear equation.
  10. math

    my math homework tells me to find the area of a circle using it's circumference. the circumference given was 6π yd. (6 pi yard). can someone explain to me how to find the area?
  11. math literacy life science, history,tourism

    Can I do medical orthotic and prosthetic while doing math literacy and life science. CAn I QUALlifY?
  12. math

    if there are 19 boys and 24 girls in the math class. 10 boys and 15 girls are freshman. if you randomly choose a student, what is the probability that it will be a girl or freshman?
  13. math math

    Given the linear equation y=2/3x+1, find the y-coordinates of the points (-6, ), (-3, ), and (3, ). Please show all of your work. Plot those points and graph the linear equation
  14. Math - Help! ASAP

    8. a) Estimate 51% of 162. First, we can multiply. So, 162 x 51% = 82.62. We round it, which will be 83. b) Use mental math to calculate 51% of 162. If we round 51%, it is close to 50%. So, in that case, 50% of 162 is 81. Did I do this right? Please help
  15. math

    In a math contest of 20 problems, 5 points were given for each correct answer. If Janelle answered all 20 problems and scored 72 points how many correct answers did he have?
  16. Math

    I need to figure out how to make graphs on a computer for a math project. Any help? I need to make histograms, back to back boxplots, and back to back stemplots.
  17. Math

    I need help solving the problem below. Chris answered 19 out of 25 questions correctly on a math test. What percent of the questions did she answer correctly? Is the answer 76% 19/25= 0.76
  18. Math

    Yes, it is I again, with yet another math problem. The question is; In a bag, there are 8 white marbles, 8 blue marbles, 7 red marbles, and 6 yellow marbles. How many marbles does it take to pull out 3 marbles of the same color. (A)6 (B)9 (C)12 (D)15 (E)I
  19. 9th grade math

    Hey i need help on my math hw i just don't get it lol please help me! Here the questions Which of the following equations has a graph that is parallel to the graph of 4x-2y=7? A:-2y = 4x+2 B:7-4x=2y C:4x+2y=2 D:-4x-2y=-7 E:2y=4x+7 Determine if the two
  20. math

    1( which number is the solution for m + 90 = 150 A( 50 B( 60 C( 140 D( 240 2(which number is the solution of n/3 = -12 A( -36 B( -4 C( 4 D( 36 3( use mental math to find the solution of 19b = 190 A(10 B(11 C(171 D(280 4(estimate the solution of y + 1.8 =
  21. math ( help)

    Gli bought 9 cds.some of them cost $12.75, and the rest cost $11.95. the total was $112.35. how many did he buy at each price? Let E be the expensive, and C the cheaper. E+C=9 E(12.75) + C (11.95)=112.35 the answer to your math problem is 6 cds for 12.75
  22. math

    A book publisher is shipping a new book in boxes of 200. If 30 boxes fit in 1 shipping crate, how many books are in 20 shipping crates? Explain the mental math you used to solve the problem.
  23. Math

    math A particle A is projected vertically upwards from a point O on horizontal ground with speed 20ms. At the same instant a particle B is released from rest at point P which is 30 m above the ground. The point P Is not directly above O ignore air
  24. Math

    What is meant by the terms vertical and horizontal asymptotes Here is a nice graph with vertical and horizontal asymptotes. THe dotted lines are the asymptotes. http://www.mathnstuff.com/math/spoken/here/2class/300/fx/library/234/n1oxp4.gif
  25. math

    What is the ratio of English and Science majors to Math and History majors, when you know that there are 400 students majoring in English and 150 students majoring in Science and 200 students majoring in Math and 300 students majoring in History?
  26. Math

    19. Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir
  27. math

    Assume the average height and weight of a female in your math class is 5'5" and 140 pounds. Use this information to write a variation equation then use it to find the weight of the female below if they had the same body type as the average female. Round
  28. Math percentage

    I don't really understand percentages grade 6 math. 1.60% discount on a 7$ item so items price is 40% of original so 0.4 x 7= 2.8$? 2. A population of 1500 people increases 15% each year how would this question be done? 1500 x .15=225 so the next years
  29. Math

    Checking my son's homework and want to see if he figured this out correctly .. i am too old to be revisiting this math ... Here is the question ... The perimeter of a rectangle patio is six times the length of the shorter side. If the shorter side is 8
  30. math

    im having a hard time understanding how to add and subtract integers Study these sites to see if they help you. http://mathforum.org/dr.math/faq/faq.integers.html http://www.gomath.com/algebra/negative.php If you post a couple of problems with your
  31. Quick math help

    Homework Help: Quick Math Help Posted by Anonymous on Tuesday, October 11, 2016 at 4:06pm. 1. let an=4n find the sum of the first 5 terms. How would you do this? 2. a1=3; an+1=3an+18. Find a6 How would you do this? 3. You start you 30 year career at a
  32. Math

    Capacity Homework? I was doing my grade 8 math homework on capacity, and I was told to order the capacity of Vase A, B, and C from least to greatest. Vase C is a hourglass based prism, and I don't know the formula for it. Please help?
  33. Math- Reiny can you help me with this question

    I know how to do the work, but the way the question is worded I am not sure the answer. The math works comes out to -2 which is b but if you want the number less than -2 the answer is c. Which are they asking for . This is my work. Which is the value is in
  34. MATH HELP

    shelley spent 17 min washing the dishes. she spent 38 min cleaning her room. explain how you can use mental math to find how long shelley spent on the two tasks?
  35. Fair Game

    Okay, I am in 6 grade and I am doing definitions; math definitions. Theres something called a "fair game" but I am not for sure if it has to do wih math, or a regular game... plz help. This assignment is due this week..... (-_-) Thxx !! ~
  36. math,algebra

    why are function notations important, are they really that important in todays world. Why do make math difficult. what are function notations i don't understand why they are important. 1934.3847569
  37. math and desperate

    What similarities and differences are there between functions and linear equations? Are all linear equations functions? Is their an instance when a linear equation is not a function support your answer. Im not good at math please help.
  38. Math

    Mr. customs is correcting the class's math homework on customary units. which of the following measurements is reasonable? A pencil is 12 feet long. The back porch is 12 inches wide. The 3rd hole on the golf court is 123 miles long. The distance from new
  39. English

    1. Math is complex but useful. 2. Math is complicated but useful. (Are both okay? Which syllable is stressed in 'complex'? First syllable or second syllable? There seem to be two ways in the dictionary.)
  40. Algebra

    In a class of 60 students, 4/5 are members of Math Club. Among the members, 3/5 are girls. How many boys are members of Math Club?
  41. Math

    A math class has 25 students. There are 13 students who are only in the band, 4 students who are only on the swimming team, and 5 students who are in both groups. How many students are not in either group? I think it's 3 students?
  42. English

    posted by rfvv Tuesday, April 17, 2018 at 7:16pm 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.
  43. MATH CHECK ANSWERS

    CHECK THESE MATH ANSWERS PLEASE 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(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2
  44. MATH CHECK ANSWERS

    CHECK THESE MATH ANSWERS PLEASE 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(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2
  45. math

    Your aunt lends you 175 dollars to buy a guitar she will decrease the amount you owe bye 25 dollars for each day you help her bye doing odd jobs. Write a verbal model that you can use to find the decrease in the amount you owe your aunt depending on the
  46. Math

    5. Joe Sullivan invests $9,000 at the end of each year for 20 years. The rate of interest Joe gets is 8% annually. Using the tables in the Business Math Handbook that accompanies the course textbook, determine the final value of Joe's investment at the end
  47. math

    Read the following scenario, and formulate the response you might give the parent; share your response, and explain your reasoning: A new math teacher at your school is questioning your use of manipulatives in the classroom. They think using manipulatives
  48. Re: Physics/Math

    A single force acts on a 5.0 kg particle-like object in such a way that the position of the object as a function of time is given by x = 3.0t - 4.0t 2 + 1.0t 3, with x in meters and t in seconds. Find the work done on the object by the force from t = 0 to
  49. Math

    I need help solving this math problem, please: Problem: Angela's math test had 100 multiple-choice questions. Each correct answer was worth 1 point, each incorrect answer was worth -2 points, and skipped questions were worth 0 points. Angela answered an
  50. math help

    I need help solving this math problem, please: Problem: Angela's math test had 100 multiple-choice questions. Each correct answer was worth 1 point, each incorrect answer was worth -2 points, and skipped questions were worth 0 points. Angela answered an
  51. math

    hi i will ask u in math :) in (( distance between two points )) * three vertices of rectanglr WXYZ are W (4,3), X (-1,3), and Y (-1,-1), what sre the coordinates of Z ? ** two adjacent vertices of a square have coordinates (-1,-3) and (1,0), what are the
  52. English

    It is very rude of you to behave like that. It is very wise of you to answer the question. It is very stupid of you not to solve the math problems. It is smart of you to solve the math problems. It is careless of you to hit the jar while driving. It is
  53. math

    help my daughter has a math problem and came to me for help, I am lost.... what is the gcf for the following trinomial? x^3-18x^2+28x I am assumming you are trying to factorise we can simply take out an x to give: x(x^2-18x+28) the quadratic will not
  54. 3rd grade

    math to endure the heat,firefighters wear protective gear that weighs about 40 pounds.If a suited-up firefighter weighs 220 pounds,how can you use mental math to find the firefighters weight without the gear?
  55. 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
  56. Math(Please respond)

    .50 - x / x = 3.20e-1 I need to solve for x. I was going to do .50 X 3.20e-1 and then take the square root but this is not correct. I am not sure what to do. Thank you for your help. Math(Please help) - Reiny, Tuesday, April 17, 2012 at 3:18pm You probably
  57. 7th grade math pre algebra

    I'm confused about this math question my teacher gave us today. Bowser's dog food is 40% meat. How much dog food would Bowser eat in order to get 11 kgs of meat?
  58. MATH!!

    (1)At the begining of her math class, Mrs. Reno gives a warm-up problem. She says, "I am thinking of a number such that 6 is less than the product of 7 and this number is 85." Which number is she thinking of? A-11 B-84 C-13 D-637
  59. Math

    Hello, I'm trying to find the following sequence that relates to the number of ways that paving stones can be laid to make a 3-foot-wide path using 3-foot by 1-foot stones. This is a very complex problem, and I'd appreciate a little help to start me off in
  60. math and physics

    i just want to know form where i got on this formula the 4.9t² on this formula s=4.9t²+Vot+h because the book only say that a physics theory shows that when an object is thrown upward with an initial velocity Vo, its approximate height is given by that
  61. Math

    Nine wonderful students decided to buy their math teacher an expensive present, each contributing the same amount of money. Four other students found out about the plan and joined in, agreeing to pay their share of the present's cost. This resulted in a
  62. Math

    My child's teacher sent out questions to prepare for a big math test. He does not understand the questions well and I can't seem to get him to grasp it. I know the answer but could you show some easy methods or something, thank you! By the way, this is NOT
  63. 10th grade Math B

    Hi. This is my question: An art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with string. What would be the radian measure of the angle between two adjacent pieces of string,
  64. Math

    Shelly is working 250 math problems and she wants to finish in 6 days. If she works the same number of problems each day for 5 days how many problems will she have left to work on day 6?
  65. chemistry

    if i have a 21% solution of a product, and i need to make it a 9% solution of the same product what do i do? i am trying to dilute a product that is 21% to a 9% soultion so it can safety be used on cats. i know what to dilute it with, but i do not know how
  66. math

    the mass of 3 dictionaries and 2 textbook is 8 kg and the mass of 3 dictionaries and 3 textbook is 9 kg. find the mass of 5 textbooks? math - Steve, Monday, September 19, 2016 at 5:17am 3d+2t = 8 3d+3t = 9 clearly, t=1 i cant understand it
  67. Math

    Hey i need help on my math hw i just don't get it lol please help me! Here the questions Which of the following equations has a graph that is parallel to the graph of 4x-2y=7? A:-2y = 4x+2 B:7-4x=2y C:4x+2y=2 D:-4x-2y=-7 E:2y=4x+7 Determine if the two
  68. Math

    My math teacher said to use the FOIL (First Outer Inner Last) property to simplify these quadratic equations I have made from looking at two parabolas. Here are my equations & how would you use the FOIL property on each of the equations and also can
  69. math

    I need a formula. At a math contest,12 problems were given. Five points were awarded for each correct answer, and two points were deducted for each incorrect answer. Matt's score was 39. How many correct answer did he have
  70. Childhood Education

    Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A Math and science B Social studies and science C Cooking and math D Social studies and cooking . I belive the C is the correct answer
  71. Math

    I have a question.. I have a 90.7% in math right now and I need to bring it up to a 93%. The only thing left is the final exam, which is worth 10% of your grade. Does anyone know a formula or a method that will allow me to calculate what I need on the
  72. Math - is this correct?

    1. Estimate a 15% tip on a taxi ride that costs $23.25. I will first round the cost to the nearest dollar. $23.25 ≈ $23.00 I will now use mental math to find 10% of the cost. $23.00 x 0.1= 2.3 5% is 1/2 of 10%, so it would be $1.15. Finally, I will
  73. math

    HELP heres a math problem ; give me a formula for it please;;; a carpenter has several boards of equal length. he cuts 3/5 of each board.after cutting the boards , he notices that he has enough pieces left over to make up the same length as 4 of the
  74. Math

    Gray bought two plots of land for a total of 120000 on the first plot she made a profit of 15% on the second plot she lost 10% .her total profit 5500, how much did she pay for each piece of land? (Please show the whole procedure of this math with the rough
  75. MATH

    JESSI bought two plots of land for a total of 120000 on the first plot she made a profit of 15%. on the second plot she lost 10% .her total profit was 5500, how much did she pay for each piece of land? ( please show the whole procedure of this math even
  76. math

    Mrs. rhombus has to make supply bags for a math lesson. She has 60 folders, 45 pairs of scissors, and 30 rulers. What is the greatest number of supply bags that Mrs. Rhombus can use to divide the school supplies into equal groups?
  77. math

    Find the product of 27×60. Then explain how you would use mental math to find the product of 27×600
  78. Math

    Jared can work 54 math problems in 1 hour. How many problems can he work in 10minutes?
  79. math

    find the product of 27*60.then explain how you would use mental math to find the product of 27*600.
  80. math

    There are five math teachers at Nate Elementary. The ages of four of the teachers are 32, 26, 35, and 27. If the mean of the ages is 31, what is the mode?
  81. Math

    There are 28 students in math class. 22 of them passed the test. What percentage passed the test.
  82. Tutor

    does anyone know where i can get a free interactive online tutor? I don't really need it all the time, I just need one for math when I'm confused. You guys all do a great job but I was wondering if anyone knows where a tutor would be. Anywhere from AIM to
  83. Math - Discrete math

    1). Let G be the statement: " for all real numbers a and b, if a -|_a_| < 1/2 and b - |_b_| < 1/2 then |_a + b_| = |_a_| + |_b_|" (the symbol is for the FLOOR of a and b) A. is G true? prove it b. state wether the CONVERSE, CONTRAPOSITIVE AND
  84. math

    Use symbolic Math symbolic representation: 1. You observe that oen fox eats 100 rabbits each year. You have the idea that every increase of one int eh fox population will cause the rabbit population to decrease by 100.
  85. fundamentals math

    A standard math test was given to 6000 students. The scores were normally distributed with a mean of 420 and a standard deviation of 40. If george scored 340, how many students scored more than George? This is hrd because I tried using calculator but
  86. math

    Marla has three secret code cards. The first shows a 37. The second card has the first box blanked out, and the second box is a 2. The two code cards together equal the third card,which is 59. What is the missing number?. This is the word problem for 2nd
  87. Math

    Sarah was trying to figure out her grades for her math course. She only knew the grade of 4 of the tests she had taken, however the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of 90, what did she get on
  88. Please Help Me With My Math Homework

    I wrote my math homework questions. It's in Jiskha Homework Help Forum In: Name:Tanisha Subject:Math Thank You! I already replied, you don't need to make a new question asking someone to answer...... Thanks for the answer! It was a good help! the product
  89. ELEMENTARY STATISTICS

    50 MATH PROFESSORS WERE ASKED HOW LONG IT TAKES TO GRADE A STUDENT'S HOMEWORK ASSIGNMENT. THE MEAN GRADING TIME FOR THE SAMPLE WAS 36.2 MINUTES WITH A STANDARD DEVIATION OF 4.8 MINUTES. WHAT IS THE 99% CONFIDENCE INTERVAL FOR THE MEAN GRADING TIME OF ALL
  90. Math

    The function D(h)=7e^-0.4(h) can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 9 hours. Round three decimal places. so 7e^(-0.4 x 9) =
  91. Math

    Help help!! Trying to help son with math homework.. Please help Create a table for each set of values. Test each table for equivalent ratios to find which set of values describes the proportional relationship of the two quantities. 66 ounces of peanuts to
  92. math

    The function D(h)=7e^-0.4(h) can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 9 hours. Round three decimal places. so 7e^(-0.4 x 9) =
  93. Math

    The names of the students in Mr. Hayes' math class are written on the board. Mr. Hayes writes each name on an index card and shuffles the cards. Each day he randomly draws a card and the chosen student explains a math problem at the board. What is the
  94. bridge

    Mr. Feng conducted five math tests. Trinity had completed four tests and scored 79, 78, 82, and 75. She wanted to achieve an average of 80% in her math tests. Write an inequality to find the minimum score Trinity can make on the fifth test in order to
  95. Math

    The Walters' backyard pool is rectangular in shape and is similar to the rectangle formed by their fenced backyard. The pool measures 10 ft long and 8 ft wide. If the length of the backyard is 35 ft long, what is the width of the backyard? Math - Henry,
  96. Childhood Education

    Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A Math and science B Social studies and science C Cooking and math D Social studies and cooking
  97. Math

    OK a pattern has 1 small square 1 3/4 on all sides middle has 5 1/4 on all sides large has 8 3/4 on all sides. I did'ent know how to do this now she wants to make the pattern 2 1/2 times bigger and show what will be the new lengths of the sides of the
  98. program planning

    Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A. Math and science B. Social studies and science C. Cooking and math D. Social studies and cooking 
  99. statistics

    What is the probability that a student in a college of 650 students in both a math major and a computer science major ( assuming these events are independent) If there are 72 math majors and 105 computer science majors?
  100. Math (probability) repost for Christine

    Math - Christine, Tuesday, October 16, 2007 at 9:13am The odds against Amy winning the tennis tournament are 5:2. Find the probability that Amy wins the tournament ?