Math(Please help)

141,951 results, page 25
  1. math

    Hi, I have a math problem that I can't understand how to write the equation for. The question says: a ball is thrown upwards from an initial height of 20 meters at an initial velocity of 10 meters per second. Write an equation for the height (h) of the
  2. Algebra II

    Hello. I'm in Algebra II and I'm having trouble with this "math project." The idea was to make a piece of "art" and you have to write the equation for each line. I made a rocket because it looked like something and has all the functions we had to use. The
  3. math,help

    this is what i have left but i don't know how to finish it. THe length of a rectangle is 1cm more than 4 times its width. if the area of the rectangle is 74cm^2, find the dimensions of the rectangle to the nearest thousandsth. so then: a =Lw A = 74 W= W
  4. Math

    On Tuesday, Leslie spent 47 minutes on math homework, 39 minutes on science homework, 52 minutes on English homework, and 44 minutes on history homework. How much time did Leslie spend doing her homework on Tuesday?
  5. STATISTICS HELP PLEASE

    Gender Math M 690 M 550 F 800 F 610 M 540 F 660 M 700 M 560 F 560 M 390 F 530 M 560 F 590 F 520 M 740 F 560 M 620 M 700 M 620 F 500 M 760 F 710 M 590 M 670 M 670 a. Determine whether the sample provides statistical evidence that males have higher Math
  6. Math

    I can't figure out this question in my math book. What would be a reasonable answer???: Why is it important to measure variability in a data set? I don't understand my homework,is about round numbers,prime factorizations,and large problems and is to harder
  7. math

    My Math Problem When wrapping a birthday gift for his mother, Kenji adds an additional 2.5 square feet of gift wrap to allow for overlap. How many square feet of gift wrap will Kenji use to wrap a gift 3.5 feet long, 18 inches wide, and 2 feet high? My
  8. Math/history

    I have to do a project and need info. about mean, median, mode, range, freqency tables line plots, and stem and leaf plots. I would like historical facts like how, who, where and why these methods came to be. I want to get a good grade so I am willing to
  9. math

    Eddie buys 100 sheets of heavyweight paper to make a notebook. He places 1/4 of the sheets in a section for English and 1/3 of the reamining sheets in a section for math. Which section is thicker if the 100 sheets of heavyweight paper is 2/5 in per 100
  10. Math -algebra (check plz)

    ok say i was trying to find y in this equation 2x + 3y + 6z =4392. I was given x=3789-1.5y , and z = -531. so i did the working and ended up with 7578-3y+3y=7578 . If i do the math correctly ill end up with 0y = 7578 :S im pretty confused, can someone
  11. 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
  12. 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,
  13. Science-math

    The equation for the decomposition of silver oxide is 2(Ag2)o yields 4Ag +o2. Set up ratio to calculate the number of oxygen molecules released when 1 gram of silver oxide is broken down. There are 2.6 x 10 to 21 power molecules in 1 gram of silver oxide.
  14. Mathematics

    Raymond took a survey of classmates to determine the favorite subject of the students in his middle school the results of his survey are shown in the table english=9 math=17 science 13 social studies=11 There are 300 students in Raymond's middle school
  15. Math

    I have 3 questions: 1) If ABC and DEF are three- digit numbers, which of the following could be the number of digits in the product of ABC and DEF? i. 4 ii. 5 iii. 6 I don't have the vaguest idea on how to do this and what type of math it is part of... My
  16. math

    I am taking a job related test consisting of several math sections. I have been out of school for quite some time and am looking to find the easiest place to get tips and tutorials to solve these questions. The topics are as follows: multiplication and
  17. Math

    My Math work instructions is place the numbers from least to greatest. 7 squared, 2, 8/2 squared = 2, seven squared, and 8/2 squared. 10 squared, pi, 3.5 = pi, 3.16, 3.5. 220 squared, -10, 100 squared, 11.5 = -10, 220 squared, 100 squared, 11.5. 8 squared,
  18. Math/College Algebra

    A water trough with triangular ends is 9ft long, 4ft wide, and 2ft deep. Initially the trough is full of water, but due to evaporation, the volumn of the water decreases at a rate proportional to the square root of the volume. Using advanced concepts from
  19. math ms sue please help

    Last summer, 150 students attended the Apollo Math Camp, of whom 96 were girls and 54 were boys. Also, 68 were 7th graders and 82 were 8th graders. How many 8th-grade boys attended the camp if 40 of the girls were 7th graders?
  20. MATH

    PLEASE HELP ME! I'm not a math student and this is very hard for me. I'm a History Major *shy face* I am not a Math student whatsoever :S this is in my Geography course and I'm very confused can anyone help me out? Imagine that a woodlot 2x3km in size has
  21. Math Word Problem

    Need a formula for this math problem. Help!? Relinda owns a tea shop and is creating a new mix of tea for her customers. She is using a standard black tea that sells for $7 per pound and a special orange flavor that sells for $11 per pound. She is planning
  22. Consumer Math

    The math lesson I am currently working on is "Income Tax Return 1040EZ" I need a certain table to figure out the problems, that table is not given. In the lesson it says to "Use the current Tax Table supplied by your local IRS to find the tax liability". I
  23. 3rd grade

    Good evening ~ I have 2 questions. Kelsey was assigned math homework. He was given 8 word problems to solve. He estimated that it would take him 5 mins. to solve each problem (THAT WOULD TAKE 40 MINS. FOR KELSEY TO COMPLETE HIS MATH HOMEWORK) ? HOW TO
  24. 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
  25. AED / ASAP PLEASE

    help with this please: Write a 200- to 300-word response addressing the following: How can the state standards affect your planning and instruction for this subject? Provide an example of how you can implement one or two of these standards in your
  26. Math: Reiny

    I already posted this question, and Reiny had a question about the question. How many square units are in the region satisfying the inequalities y>=(x) and y<=-(x)+3? Express your answer as a decimal. * the () are absolute value signs. •Math -
  27. Math

    What do we call the numbers that cannot be arranged into 2-row arrays? The question begs for amplification. An array usually contains a set of some sort. There is not a hint in your question of what the set is. My math homework question asks - exactly as
  28. math fraction

    10 out of 36 students love math, 13 love science and the rest love english. write down the fraction of students who love science.
  29. MATH HELP!!

    Ashley and Nick worked on a math project together. Ashley finished 1/6 of the project and Nick finished 2/8 of the project. How much more of the project is left? A: 3/4 B: 7/12 C: 5/6 D: 7/24 My answer: I think it's 7/12 but i'm not sure.
  30. social studies

    What's the second most populous continent? Please check this site. Asia is the most populous. Which is the second most populous -- with 885 million people? http://www.nationsonline.org/oneworld/world_population.htm customs passed from parent to child is ?
  31. 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
  32. Math Word Problem

    Please help with this math word problem: Jamal has a 5X7 picture that he took on his summer vaction and he wants to use a photo copier to enlarge it to an 8X10 picture. To enlarge Jamal has to specify a percent between 50% and 200% on the copier. Explain 2
  33. 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
  34. 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
  35. math(check answers)

    please check my math!! THANKS SO MUCH 1. Identify the decimal And simplified fractional form of 80%. A. 0.8 and 3/5 B. 0.8 and 4/5(I PICK THIS) C. 0.08 and 3/5 D. 0.08 and 4/5 2.A baseball team wins 45% of its games. What fraction of games does it win? A.
  36. Math

    In a little town in West Michigan lives a math professor, who hears one day that the barber has three children. So, on the next visit to the barber, the professor casually inquires, "I have heard you have three children, is that right?" "Yes!" says the
  37. math

    I am having a difficult time calculating rates and unit prices. Can someone describe a simple process for using rates and unit prices that will help me understand these concepts? I searched Google under the key words "rates 'unit prices'" to get these
  38. 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
  39. 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
  40. Math

    Diane took a math test. The ratio of the number of problems Diane got incorrect to the number of problems she got correct was 2:7. If the test had 36 questions on it, how many problems did she get correct?
  41. Math

    The ratio of boys to girls in a math class is 5 to 3. When 3 girls and 1 boy join the class, the ratio becomes 4:3. What is the least possible number of students in the class after the new students join?
  42. math word problem

    Here's the latest from the UMW math department: Andy drove from Richmond to Boston at an average speed of 50 miles per hour. If it took 5 hours to drive from Richmond to Philadelphia at an average speed of 70 miles per hour and if the whole trip took 13
  43. Intermediate Algebra (Math)

    Mixed nuts. Oh Nuts! sells pistachio kernels for $6.50 per pound and almonds for $8.00 per pound. How much of each type should be used to make a 50-lb mixture that sells for $7.40 per pound? So far I have, this: 6.50x + 8 (50 - x) = 7.40 (50) 6.50x + 400 -
  44. Math

    1. There are 20 guests at a party. The host has 8 gallons of punch. He estimates that each will drink 2 cups of punch. If this estimate is correct, how much punch will be left over at the end of the party? 2. A typical lap around a track in the United
  45. Math

    I am still confused! Equation: C1V1=C2V2 Given: C1= 15 mM V1=? C2= 0.25 mM V2= 1mL (Do I just plug 1mL into the equation or do I have to convert to liter? Does mM mean mmol/1L?) I got ~17 microliter. Note: I must convert my answer to microliter. Math -
  46. 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
  47. Intermediate Algebra(Math)

    Mixed nuts. Oh Nuts! sells pistachio kernels for $6.50 per pound and almonds for $8.00 per pound. How much of each type should be used to make a 50-lb mixture that sells for $7.40 per pound? So far I have, this: 6.50x + 8 (50 - x) = 7.50 (50) 6.50x + 400 -
  48. Math

    math test help!!! 1. There are 3 red paper clips, 5 yellow paper clips, and 6 silver paper clips in a jar. What is the ratio of the total number of paper clips to the number of red paper clips? I think 14:3 2. which of the ratios is equivalent to 12/20? I
  49. math

    Hello, and thank you in advance for your help! I'm writing on behalf of my daughter in 6th grade, who was crying last night about a project that's due tomorrow (Wednesday). For Math, she's supposed to choose her favorite number (16) and create a "project"
  50. Math algebra

    I'm reposting this, because Mathmate's answer hasn't directed me to the WHY? part of the question. Any prompts appreciated. The product of any two (whole) numbers each of which leave a remainder of 1 on dividing by 7, also leaves a remainder of 1 on
  51. Math Decimals

    Jason has 4 tiles. Each tile has a number printed on it. The numbers are 2,3,6, and 8. A decimal number is formed using the tiles and the clues. Be a math detective and find the number. Clues: digit in tens place is the greatest number. digit in tenths is
  52. Math, Algebra (fast help would be nice)

    So I did this whole math test and before I could hit "finish", my computer died and nothing saved. I have no memory of how I figured them out. Could you guys help please? Find the lateral area of the square pyramid. Show all steps. Base: 8m Length(height):
  53. 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.
  54. math

    What is the basic principle that can be used to simplify a polynomial? Possibly these sites will be helpful. I searched Google under the key words "simplify polynomial" to get these possible sources:
  55. 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
  56. English

    What do you have to do afer school? 1. I have to go to my academy and study hard until 11 p.m.. 2. I have to go to an academy to study math, English and science. 3. I have to go to the academy to study 5 subjects. 4. I have to wash clothes in the washing
  57. math

    Farmer joe had 3 animals, he wanted to weight Lucy, Nancy and Sue. He only had a scale that started with 100kg. Now, as heavy as those animals were, none of them exceeded 100kg.so he weighted them in pairs. Lucy and Nancy weight 132 kg together and Sue and
  58. Math--Im a little confused, please help

    Population (of 5 races)= 3,000,000 White population accounts for 80% of total population. Whites arrested = 17,000 Black population accounts for 10% of total population. Blacks arrested = 7,000 Im trying to explain the disparity in arrests (Whites vs.
  59. 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
  60. English

    The High School Step Team Karla’s cousin Jade urged her to join the step team. “This afternoon you should definitely try out!” Jade suggested after the final bell rang. “I know she wants the best for me,” Karla thought to herself, “but I’m
  61. math,algebra

    They may want you to add the fractions and give the answer in forms of a fraction. in that case, you need to convert to common denominators before addineg. In that case 1/3 + 1/5 + 1/10 = (10 + 6 + 3) /30 = 19/30 5/6 - 3/5 = (25 - 18)/30 = 7/30 You answer
  62. Chemistry

    .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
  63. Math

    Hello I did my math homework, but I need someone to check if I did it right or not. 1. A = z>=4 B = z<7 Write A or B and A and B using interval notation Answer: A or B = (-infinity, infinity) A and B = [4,7) 2. Write the algebraic expression for the
  64. English

    1. He solved two math questions with ease. 2. He solved two math problems with ease. 3. He solved two mathematical problems/questions with ease. (Are all the same? Which one is commonly used?)
  65. Math

    For my math problem seven tenths exceeds seven thousandths by what number would I subtract seven tenths from seven thousandths (0.7- 0.007) or subtract seven thousandths from seven tenths. (0.007-0.7)
  66. 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.
  67. 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
  68. Math

    p $ 40 pants and s $ 20 shirts total $ 160. ... p $ 40 pants and s $ 20 shirts total $ 160. determine three different combinations of pants and ... Math
  69. Math

    7 10 of your friends prefer to take a math test on Friday. 7 20 prefer Friday and Wednesday. What fraction of those who prefer Friday also prefer Wednesday?
  70. Math

    This math question i do not get it is Sanjay earns $13.00 each week from his papaer route.He earns $.15 for each daily paper and $.35 for each sunday papaer he delivers. He delivers twice as many daily papers as sunday papers. How many of each type does he
  71. 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.
  72. Math

    This math question i do not get it is Sanjay earns $13.00 each week from his papaer route.He earns $.15 for each daily paper and $.35 for each sunday papaer he delivers. He delivers twice as many daily papers as sunday papers. How many of each type does he
  73. Math - Algebra 2

    In a certain math class, each student has a text book, every 2 students share a book of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75.. how many students are in a
  74. Chemistry(Please check)

    .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
  75. math

    since 120/500 is equal to 100 that means ...............i still don't get it......... please..... i need help.can you at least give me the answer please tbhis is hohnors math and for me its hard........ Tom,Ted,Tony,Terry worked together on a job.The job
  76. Math

    Please check to see if I did this correctly. This is a 2 part math problem. 1. Janelle has d dimes and n nickles. Her sister has 5 times as many dimes and 6 times as many nickles as Janelle has. Write the sum of the number of coins they have, and then
  77. math

    i have 2 math questions i don't understand so if you could help me i would like that. Log base 3 64-log base 3 (8/3)+log base 3 2=log base 3 4r Log base 6 (b^2+2)+logbase6 2=2
  78. English

    1. I'm worried about my new school. Why don't you join a club? Why don't you make new friends? Why don't you talk with your homeroom teacher? Why don't you talk with the school counselor? Why don't you talk with the counseling teacher? --------- Are they
  79. math

    No idea how to do this. I looked in my book and there usually is a data set present to get the first, second and third quartile. The lifetimes of lightbulbs of a particular type are normally distributed with a mean of 392 hours and a standard deviation of
  80. math

    Julie Fleming owns 903/4 acres of land in Arizona. She sells one-third of the land and deeds 1/4 of the reminder to her son. How many acres of land does she have left? Is that 90 3/4 (ninety and three-quarters) acres? If so then 90 3/4 = 363/4 Thus
  81. MATH

    lWhat is the PROCUREMENT cost of the below systems? Cost Types Cost (in millions) Research/Development $400 Procurement of Prime mission $800 Procurement of support equipment $100 Procurement of Initial Spares $100 Operations & and Support $70,000 Disposal
  82. tourism,geography,economics and math literacy

    What career can I do with geography,economics,tourism and math literacy
  83. Word Problem

    A math teacher gives two different tests to measure students' aptitude for math. Scores on the first test are normally distributed with a mean of 25 and a standard deviation of 4.6. Scores on the second test are normally distributed with a mean of 68 and a
  84. Math 310 Math for Teachers

    At the same time but different speeds, two trains X and Y left from different stations, A and B, and moved facing each other (to opposite directions). They first met at the point that was 120 miles from station A. When X and Y reached the destinations (B
  85. Math

    (4.44e-2 - x) (8.06e-2 - x) / (0.331 + 2x)^2 = 1.80e-2 I need to rearrange this equation so that I can get a,b, and c, for the quadratic equation but I am not sure how to do this. Thank you for the help. Math(Please answer, thank you) - bobpursley, Sunday,
  86. 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
  87. 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
  88. math

    Sally answered 90% of the math test questions and 80% of the history test questions correctly. If each test had 50 questions, how many questions in all did she answer correctly? I think that she answered 85 questions in all that were correct. Am I right?
  89. ENGLISH/MATH/SCIENCE HELP!

    Is there any websites for teens to read short stories (or long), then you answer ONLY multiple choice questions, grade you, and to have a profile or something to see all of your grades if your making progress each time (to see if your improving). I want to
  90. Math 6 scale math

    A model of a rail road station has a scale of 1 inch equals 3.5 feet. The dimensions of the model railroad are 34 inches by 18 inches. What are the dimensions of the actual railroad station? 3.5 feet by 18 feet 34 feet by 63 feet 102 feet by 63 feet 119
  91. Math (algebra)

    Could you help me with this math question: A can in the shape of a right circular cylinder is required to have a volume of 500 cubic centimeters. The top and bottom are made of material that costs 11 cents per square centimeter, while the sides are made of
  92. math math

    Translate to an equation: p $25 potted plants and s $20 shrubs total $300 Graph the equation and use the graph to determine three different combinations of potted plants and shrubs that total $300
  93. Math I need help ASAP!

    1. which of the following is true of a random sample? a. it is the only way to sample a population. b. each member of the sample is a volunteer. c. it is always the easiest way to sample a population. d. each member of the population has an equal chance of
  94. 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=
  95. basic math

    first I have one simple question how many feet is 58 inches?? and how do you figure that? Also Thanks teachers and students for taking your time to help other students! this site actually helped me to get into the airforce and I'm very excited about that.
  96. math

    Lois got 27 problems right on a math test. If this is 90% of the test, how many problems were on the test?
  97. English

    1. You will must go hunting. (X) 2. You will have to go hunting. (O) 3. He may can lift the rock.(X) 4. He may be able to lift the rock. (O) 5. She must can solve the math problem. (X) 6. She must be able to solve the math problem. (O) (Are the marks, X's
  98. math lit, geography, life science,business studies

    hey there! what career can do with math lit, geography, life science and business studies?
  99. 3rd grade math question

    OK- my daughter got this question for math homework "Buses leave boston for reno 2X a day, every day. Buses leave reno 2X a day for boston, every day It takes 5 days to travel from boston to reno. if you are traveling to boston how many buses will you meet
  100. math (pre clac)

    so its this picture of a rectangle inscribed in a circle. the circle has a radius of 2. the vertexes of the circle are present in every quadrant, but you cant tell exactly whgat point they represent. point Q (x,y) is the vertex of the rectangle in Quadrant