math help

Newest questions posted by math help
  1. Math

    the following points are plotted on a coordinate plane (-1.2), (-1.7) and (4.2) if the points are connected by a straight line with shape will they form? A: an acute triangle B: a right triangle C: an obtuse triangle D:a quadrilateral
  2. math

    A research based on 150 students relating to their favorite fruit revealed the following: 90 students preferred Apples; 75 preferred Bananas; and 55 preferred Strawberries; 30 of them preferred Bananas and Strawberries; 15 preferred Apples and
  3. math

    seriously ms sure could you stop? I'm just trying to help this person out with their math and you keep deleting things
  4. math

    Which statement best explains if the graph correctly represents the proportional relationship y = −2x? A coordinate plane is shown. Points are graphed at 2 comma 4 and negative 1 comma 2. The points are joined by a line. No, the points shown would not be
  5. MATH

    The distance between Ridgeview and Tarragon is 7.6 inches on a map If the scale on the map is 1 inch=25 miles what is the actual distance between the two towns. 19.0 32.6* 190 326
  6. Algebra

    What are the next three terms in the sequence? -1, 9, 19, 29, ... A. 38, 37, 32 B. 40, 51, 62 C. 39, 49, 59** D. 38, 47, 56
  7. math

    a bag holds 6 green 4 red 5 yellow and 3 purple marbles what is the probability of choosing a purple marble
  8. Math

    A 4x4 grid with 5 blocks shaded in, I need to write a percent and a ratio for it. A. 1/5, 25% B. 5/16, 31.2% C. 1/4 , 20% D. 1/4, 25% C? Im not really sure on this one, I just need some help.
  9. Maths

    On a clock face, a line is drawn between 9 and 3 and another between 12 and 8. What is the acute angle between these lines? A.45 B.60 C.50 D.30 E.22.5
  10. Maths

    What is the angle between the hour hand and minute hand of a clock at 2:37 p.m?
  11. check answer pls

    1. patricia owned so many posters that she decided to sell 77 of them to her friends . after selling the posters , she still has 186 left . write and solve an equation to find the number of posters p patricia had originally . A. p+77 = 186 ; 109 posters B.
  12. check answers pls

    1. 3(y+1) for y=2 A.6 B.9** c.7 D.8 2.d+g/h for d=35 , g=19 , and h=6 A.9** B.2.7 C.7.3 D.8 3. the cost in dollars of a field trip is 64+14n , where n is the number of people attending . what is the cost for 48 people? A. $736** B. $126 C. $896 D. $910 4.
  13. math help pls

    1 . the cost in dollars of a field is 64+14n , where n is in the number of people attending . what is the cost for the 48 people ? A. $736*** B. $126 C. $896 D. $910
  14. math help pls

    Jess played two days of golf . on the second day , he got a score of -6 . his total score for the two days was 0 . define a variable . then write and solve an equation to find the score jess got on the first day . is the answer 6?
  15. math

    1 . the cost in dollars of a field is 64+14n , where n is in the number of people attending . what is the cost for the 48 people ? A. $736 B. $126** C. $896 D. $910 2. Suppose you are driving to your vacation destination . you are driving at an average
  16. Math

    Plz help me with these question. 1. The census Bureau estimates That in 2020, 15 of the 50 states will have a Spanish speaking majority. What percent of the states will have a Spanish speaking majority? A.10% B.15% C.30% D.50% 2. Last year, A poll of 1,000
  17. Maths

    5 kids (A, B, C, D and E) are playing games in the playground. In each round, they follow the rules below to pass on the toy on their hands to the next kid: A→C, B→E, C→A, D→B, E→D. Initially, A and B are holding the car toy each while C, D and E
  18. Math

    1) X/4+10=14 A)96 B)46 C)16 D)-16 2) 2(2-2x)=-3x A)-4 B)4 C)6 D)0 3) 3.75x+3.7=1.7+1.75x A)10 B)-1 C)1 D).1 Answers : B C C ???
  19. math

    Dino used three pieces of string to make a model of a triangle in art class. The lengths of two of the pieces of string were 3 inches and 8 inches. Which could be the length in inches of the third piece of string Dino used? A)2 B)8 C)5 D)3 I think D?
  20. math help`

    is it true that no matter what the ordered pair is that parallel lines have the same slope and perpendicular lines some is always -1
  21. math

    A recipe calls for 2 cups of flour to make 2 dozen cookies. Use the proportion to calculate how much flour is needed to make 6 dozen cookies. 2 cups/2 dozen= x cups/6 dozen A. 2 cups B. 4 cups C. 6 cups D. 12 cups Is the answer C?
  22. MATH HELP

    .................| .........(3,2)\..|../ ...............\.|./(s,1) ................\|/ -----------------|------------------- ................/|\ .............../.|.\ .................| .................| In the accompanying figure, the slope of line k is t
  23. geometry

    | (3,2)\ | / \ | /(s,1) \|/ -----------------|------------------- /|\ / | \ | | In the accompanying figure, the slope of line k is t and the slpe of line m is negative t. What is the value of s? (the lines are perpendicular) (sorry for the ascii graph ^_^)
  24. Math

    If x+15 and 2x+27 represent the number of degrees in measures of two consecutive angles of a parallelogram, find the value of x.
  25. math ms sue please help, PLEASE!!!!

    bailey uses the results from an experiment to calculate the probability of each color of block being chosen from a bucket. he says P(red)=35%, P(blue)=45%, and P(yellow)=20%. jarod uses theoretical probability because he knows how many of each color block
  26. Math

    1. A box of crackers has 24 grams of fat. the box contain 8 servings. What is the unit rate? A. 16 grams of fat pre serving B. 8 grams of fat per serving C. 4 grams of fat per serving D. 3 grams of fat per serving 2. A 16-fluid ounce bottle of juice costs
  27. math

    A tower 125 feet high stands on the side of a hill. At a point 240 feet from the foot of the tower measured straight down the hill, the tower subtends an angle of 25 degrees. What angle does the side of the hill make with the horizontal?
  28. math

    A tower 125 feet high stands on the side of a hill. At a point 240 feet from the foot of the tower measured straight down the hill, the tower subtends an angle of 25 degrees. What angle does the side of the hill make with the horizontal?
  29. math

    A tower 125 feet high stands on the side of a hill. At a point 240 feet from the foot of the tower measured straight down the hill, the tower subtends an angle of 25 degrees. What angle does the side of the hill make with the horizontal?
  30. math ms sue please help, PLEASE!!!!

    the giants and the redskins played in Sunday night football. the giants kicked 2 field goals and the redskins kicked 5 field goals. write a ratio that describes the number of giant field goals to redskin field goals.
  31. math please help someone! anyone!!!!

    Lamont earns $5.70 per hour. last Friday Lamont received a pay check for $745.25. this pay check included an extra $200 bonus. about how many hours did Lamont work during the last pay period? ms sue please help, i would really appreciate it.
  32. math ms sue please help, PLEASE!!!!

    the jones' are planning a vacation. the total cost is $2500. they are able to save 1/5 of the cost each month. how much will they save in three months?
  33. Math ms sue please help!!!!!!

    Simple probability You have 20 crayons to choose from : 5 are blue, 3 are green, 8 are red and 4 are orange. If you randomly choose one crayon, what is the probability you will get armed crayon? P(red)= I put 8 to 20= I put 80% but my friend said 40% who's
  34. math ms sue please help, PLEASE!!!!

    also which are independent events? a) a student spins a spinner. on the first spin she spins a six and on the second spin she spins a three b) a student chooses a card from a deck of 20 cards. the student keeps the card and chooses another one. c) a
  35. math ms sue please help, PLEASE!!!!

    tori had 20 gumballs in a bag. there were 2 red gum balls, 3 blue gum balls, 5 yellow gum balls, and 10 purple gum balls. what was the ratio of blue gum balls to total number of gum balls?
  36. Math ms sue please please please help!!!!!!

    1)a bag contains five red marbles and seven blue marbles. you pull one marble out of the bag and replace it before putting out a second marble. what kind of event is this? independent, dependent, or both? 2) A bag contains 5 marbles. Without looking, you
  37. math

    a) 3(x+1)+x+2=2(2x+1)+3 I distributed the equation and got 5=5 as my final answer. b) DON'T UNDERSTAND is the resulting equation from part (a) always true,sometimes ture, or never true? Explain your reasoning.
  38. Math

    the graph line passing through (1,1) , (-2,4) make with positive x-axis angle equal is: a) 30 degree b) 45 degree c) 60 degree d) 135 degree
  39. algebra

    I don't know if i did this correct. c+(4-3c)-2=0 c+1c-2=0 1c-2=0 -1=0 c= -1 ?
  40. math

    How many counting numbers between 100 and 1000 have at least one 2 as a digit?
  41. Math Help Please

    A set of five different positive integers has a mean of 19 and a median of 21. What is the greatest value of the greatest integer in the set?
  42. Investment

    Answered below
  43. Investment???

    Erik Johnson has just become a heir to $15 000. He is 23 years old, and he has graduated from a University business program. He works as an assistant managager of a retail store. He lives with his friend in a two bedroom apartment. He saves 5% of his
  44. algebra

    Solve and check all proposed solutions. Show work for solving and for checking. x+1/x-1 - 2/x^2-x=0
  45. aLGEBRA

    Tracy wants to purchase custom-made bumper stickers to advertise her business. Two websites offer different deals: Website A: Pay a fee of $116.00, plus $0.50 per bumper sticker or Website B: Pay a fee of $99.50, plus $0.65 per bumper sticker At least how
  46. algebra

    the population P(t) of a new residential development t years after 2010 is P(t)=8000(1-e^-0.3t). What is the population for 2015? * algebra - Reiny, Sunday, December 5, 2010 at 6:19pm replace t with 5 and evaluate using your calculator (I got 6215) I was
  47. algebra

    log9 1= _______ (fill in the blank) Let x=log2 1/32 . Write the exponential form of the equation and solve the equation for x.
  48. algebra

    Solve x-9/x^2-4 < 0 and write interval notation
  49. algebra

    solve {5-8x}>11 and write interval notation for the solution set.
  50. algebra

    convert to a logarithmic equation:8^y=4096 Please show work.
  51. algebra

    the population P(t) of a new residential development t years after 2010 is P(t)=8000(1-e^-0.3). What is the population for 2015?
  52. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: 1. What percent of people would have an IQ score of no more than 68. (2).What percent of people would have an IQ score of 100 or above.
  53. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What percent of people would have an IQ score of at least 132.
  54. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What percent of people would have an IQ score 68 and 84.
  55. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What percent of people would have an IQ score above 116.
  56. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: In what interval you would expect the middle 95% of the IQ scores to be found.
  57. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: a.In what interval you would expect the middle 95% of the IQ scores to be found. b.What percent of people would have an IQ score above
  58. Math_Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: a.In what interval you would expect the middle 95% of the IQ scores to be found. b.What percent of people would have an IQ score above
  59. Discrete Math

    1. Assume that n is a positive integer. Use the proof by contradiction method to prove: If 7n + 4 is an even integer then n is an even integer. 2. Prove: n is an even integer iff 7n + 4 is an even integer. (Note this is an if and only if (iff) statement.