# Rmz

Most popular questions and responses by Rmz
1. ## math

A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to posses a normal distribution with a mean of 450 seconds and a standard deviation of 50 seconds.

2. ## Geometry

Suppose that a given quadrilateral is a kite with no right angles. Which of the following is possible? a. the quadrilateral is a trapezoid b. the quadrilateral has congruent diagonals c. the quadrilateral is a rhombus d. none of the above I think it is b.

3. ## math 156

A man earned \$3000 the first year he worked. if he received a raise of \$400 at the end of each year, what was his salary during his 15th year? would it be \$9000

4. ## Measurements

how do you solve this Area of a polygon: A=1/2aP Perimeter: P=ns It is a hexagon (6 sides) the sides measure 8cm therefore I have a perimeter measuring P=6(8)=48 RIGHT? and for the area I have A=1/2 the apothem= 4 square root of 3 and the P= 48 so, A=1/2(4

5. ## measurements

The great pyramid of Giza was built around 2560 BC. It was originally 481ft high with a square base measuring 751 ft on each side. It's slant height was 611 ft. Find the lateral surface area of the great pyramid, round your answer to the four-significant

6. ## math

the height, in feet, of a free-falling object t seconds after being dropped from an initial height s can be found using h=-16t^2+s. An object is dropped from a helicopter 784 feet above the ground. How long will it take the object to land on the ground?

7. ## Math 156

The number of dogs and chickens add up to 14. The number of legs between them is 36. How many dogs and how many chickens are on the farm if there are at least twice as many chickens as dogs?

8. ## math

At the first tri-city meeting there are 8 people from town A, 7 people from town b and 5 people from town c. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 from town b. I know that the

9. ## FINANCE 200

An aggressive working capital policy would have which of following characteristics? A. A low ratio of short-term debt to fixed assets. B. A high ratio of short-term debt to long-term sources of funds. C. A short average collection period. D. A high ratio

10. ## math

License plates are made using 3 letters followed by 3 digits. How many plates can be made if repetition of letters and digits is allowed?

11. ## art 101

In art the term scale refers to: a. range of colors used b. the texture of a surface c. the weight of a sculpture d. relative size

12. ## math

how many ways can an IRS auditor select 3 of 11 tax returns for an audit? would that be 1331

13. ## Math

A race track tote board has the odds for a horse listed as 5 to 3. Tote boards list the odds that a horse will lose the race. If this is the case, what is the probability of the horse winning the race? how do you start this?

14. ## math 157

How many three-symbol codes (letter, letter, number) can be made from the letters S, P, Y and one digit fro the set {0, 1, 2,...9} without repitition? What and how do I get started?

15. ## math 156

the ratio of males to females in a college class is 2:6. if there are 72 students in the class, how many are males? is it 36 males?

16. ## math

Two helicopters leave Springfield, IL at the same time. One travles north at 27 miles per hour and the other travels west at 120 miles per hour. How far apart are they after 3 hrs? (Hint: Use d=rt to find the distance traveled by each helicopter.) I know

17. ## math

Assume that the weight loss for the first tow months of a diet program has a uniform distribution over the interval 6 to 12 pounds. Find the probability that a person on this diet loses more than 11 pounds in the fisrt two months. How do you do this, is

18. ## Geometry

if angle 1= 4x+10 and angle 7= 6x+4 what are the measures of angles 1 and 7, when we know that angle 3= 52 degrees? Angle 1= 10.5 Angle 2= 128 Angle 3= 52 Angle 4= 128 Angle 5= 10.5 Angle 6= 128 Angle 7= 20.6 Are all these angles right?

19. ## 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?

20. ## FINANCE 200

If you invest \$9000 how much will you have A. in two years at 9% B. in 7 years at 12% C. in 25 years at 14% D. in 25 years at 14% (compounded Semi-annually) I don't know how to even start this can anyone help?

21. ## FINANCE 200

You receive \$5000 three years from now. The discount rate is 8 percent. What is the value of your investment two years from now? (Multiply 5000 by .926 (one year discount rate at 8%) Will it be worth \$9,260?

22. ## math 156

Find the Best Buy Brand A: 12oz for \$5.04 Brand B: 9 oz for \$3.51 is the best buy Brand A?

23. ## math 156

A land developer wants to develop 20 acers of land. Each lot in the development is to be 4/5 of an acer. How many lots will the developer have in 20 acers? is it 16 lots?

24. ## math 156

Erika spent 5/6 hr. on her computer visiting the history and the discovery channel websites. she spent 12 minutes at the history channel website. what fraction of an hour did she spend at the discovery channel website? I have no clue how to start this can

25. ## math 156

what is the simplest ratio form this can be written in... \$4 to 25 cents? is it 1:5

26. ## Math 156

Who am I? If you multiply me by 2 and subtract 9, the result is 21.

27. ## art 101

A shape placed in two-dimensional surface establishes a a. sense of realism b. figure ground relationship c. color d. linear perspective

28. ## art 101

Two kinds of shapes that are created when an object is placed in a picture plane are: a. right and left b. high and low c. light and dark d. positive and negative I think it is positive and negative. Is that right?

29. ## art 101

a linear composition often has a: a. solidity b. color c. movement d. all of the above

30. ## art 101

What is a vanishing point?

31. ## math

Solve. The total sales made by a salesperson were \$25,000 after 3, months and \$68000 after 23 months. Predict the total sales after 42 months. 25000=3months 68000=23 months x=42 months how do I do this?

32. ## Math

Garden Area Problem. A designer created a garden from two concentric circles whose equations are as follows: (x+2)^2+(y-6)^2=16 and (x+2)^2+(y-6)^2=81 The area between the circles will be covered with grass. What is the area of that section? How do you do

33. ## Geometry

What is a quadrilateral that has both reflectional and rotational symmetry?

34. ## Geometry

The legs of an ironing board are equal in length and bisect each other at the point where they cross. What generalization about parallelograms ensures that the ironing board will always be parallel to the floor, regardless of the height of the board above

35. ## math 157

What are the odds in favor of drawing a spade and a heart? Would the odds be 2

36. ## math 157

Consider the experiment involving rolling a single die once. What is P(even and Prime)? I do not know how to start this can anyone help?

37. ## math 156

Stock in a company is selling for \$11 3/4 per share. if some one purchases \$893 worth stock in this company, how many shares did they get? is it 209

38. ## math 156

Liz needs to buy soft drinks for 30 people. At the store she finds that she can buy 6 cans for \$2.10. She assumes that each person would drink 2 cans each. WHen she checks her wallet she finds that she only has \$20. Does she have enough money to buy soft

39. ## art 101

Can you change the relationship between object and background by changing their colors? What happens?

40. ## math

The Egg Problem. A certain zoo kept records of the relationship between the weight of a mother ostrich and the weight of her egg. Data for three birds is shown in the next table. a. Estimate the weight of an egg from a mother ostrich weighing 175 lbs. b.

41. ## geometry

How does the Eulers formula hold true for the right pentagonal prism? I know that it has 7 faces 10 vertices and 14 edges, but all this does not fit the formula to equal to 2 7+10-14 is not 2 am I missing something

42. ## Geometry

State a generalization about a rectangle that isnâ€™t true for a parallelogram.

43. ## Geometry

The shorter leg of a 30 degree - 60 degree - 90 degree triangle is 10. What are the lengths of the longer leg and the hypotenuse, to the nearest tenth. I do not understand these triangles can anyone help??

44. ## math

What are the odds in favor of getting at least one head in three successive flips of a coin? would those be 2/3?

45. ## math 157

A box contains three black balls and two golden balls. A ball is selected at random, it's color is recorded and it is then replaced. A second ball is selected at random, it's color is recorded it is then replaced. The outcome is associated with this type

46. ## FINANCE 200

Which account represents the cumulative earnings of the firm since its formation, minus dividends paid? A. Retained earnings B. Common stock C. Accumulated depreciation D. Paid-in capital

47. ## math 156

a 6 pack of 4 oz. containers of yogurtc cost \$3.60. what is the unit price in cents per ounce. round to the nearst penny. are they .90 cents each?

48. ## math 156

Annue must send two packages. One package weighs 11 1/8 lbs. and the other weighs 9 1/5 lbs. what is the total weight of the two packages? Is it 23 1/8 lb?

49. ## math 156

a 4 minute egg is cooked for what fraction of an hour? is it 1/15

50. ## math 156

a worker makes 30000 a year. after 1 year he gets a raise of 5%. the next year he gets a raise of 10%. If he received no raise the first year, what percent increase would give him the same salary as consecutive raises of 5% and 10%? would it be 50%

51. ## Math 156

Write two different equations that can be used to solve this problem: a low of -4 degrees is predicted for tomorrow. If the tempeture is now 8 degrees by how much must it change?

52. ## Math 156

Jackie bought a stock for \$34 a share. the daily changes for the next 7 days after she bought the stock were -5, -2, +1, +3, -6, +4 and +8. What was the share of stock worth at the end of day 7?

53. ## Math 156

how do you solve this |-3-|-7-7|

(2n+3)x(n+4)

55. ## Math 156

Use the distributive property to solve: (x+10)*(3x+2)

56. ## Math 156

Yesterday 12 students brought their lunches from home. 7 of the students had peanut butter sandwiches and 5 of the students had 5 apples. Did 7+5=12 students have peanut butter sandwiches or apples in their lunches? Why or Why not?

57. ## Math 156

Decide whether the following statement is true or false and justify your answer. if n(A) < n(B), then A( B

58. ## Math 156

You are odering some frozen yogurt for dessert and have a choice of three toppings. You can get a combination of any or all the toppings. What are your possible choices? how do these choices relate to finding all the possible subsets of a set?

59. ## Math 156

two 2-digit numbers have the same digits. Their sum is 77 and their difference is 27. What are the numbers? What stratagey did u use?

60. ## math 117

Divide and Simplify 7y-7/4 divided by y-1/6y

61. ## Math

a student opens a mathimatic book to two facing pages. The product of the page numbers is 930. Find the page numbers.

62. ## art 101

how does the contrast between an object and the background in a picture affect the appearance of depth? a. The greater the contrast, the flatter the appearance b. The more objects there are, the more contrast there will be. c. The closer in tone, the

63. ## math

Without graphing, identify the slope and the y-intercept. x-5/3=y/3 first you set it up as y=mx+b -y/3=x+5/3 how do you get rid of the 3's?

64. ## math

Identify the slope and the y-intercept for the line associated with the equation. 5x+20y=60 20y=-5x+60 -20=-5x+60-20 y=-5x+40 is that the right equation?

65. ## math

What happens to the value obtained for the slope if the coordinates of the two ordered pairs aren't subtracted in the same order? what is an example. All I know is that you would get the wrong slope for the ordered pairs, I do not know why. Can anyone

66. ## measurements

A cone and a cylinder have the same volume and the same base radius. If you are given only the height of the cylinder, is it possible to figure out the height of the cone? If so, how would you figure it out? Am thinking yes, because if they are the same in

67. ## measurements

At \$2.70 per cubic feet, how much will it cost to fill an ice chest with dimensions of 8 ft by 7 1/2 ft by 12 ft?

68. ## measurements

How much will it cost to carpet a 13 ft by 18 ft room if carpeting costs \$14.50 per square yard? I know you either find the perimeter or the area. and when I figure both of them I get P=2(13+18) P=62 62*14.50= 899 or A=13*18 A=234 234*14.50 3393 But I

69. ## math

How many 4-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7 if repetition of digits is allowed? Would that be 840

70. ## Math

What is the expected value of one of 700 tickets in a raffle for a price of \$1400? Would that be 2 dollars

71. ## math

Sam bought 1 of 250 tickets selling for \$2 in a game with a grand prize of \$400. Was \$2 a fair price to pay for a ticket to play this game? no

72. ## math

On a T.v. game show a contestant is asked to select a door and then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability what is the expected value of the selection if the three doors behind them have

73. ## math

Consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probability of the stated event. A black 10 or 7 is drawn. WOuld that be 1/26

74. ## math

If there are 300 students majoring in History and 150 majoring in English what is the percentage of that? How do you turn students to percents?

75. ## math

How do you find the number of people who live in condos when you know that there is 16% of them livinging in condos now and that the total population is 53800 people altogether?? Can anyone help?

76. ## math 157

three cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the pronanility that the third card is a spade if the first two cards were not spades? How do I even start this?

77. ## math 157

If P(A)= 1/2, P(B)= 1/6 and P(A and B)= 1/2, what can you say about P(A and B)? I don't understand?

78. ## math 157

An experiment has three possible outcomes: A, B, and C. If P(A)= P(B)and P(C)= 2P(A), what is the probability of each? Can anyone help me get started?

79. ## math 157

Suppose that P(A)= x. The probability of the complementary event B is 0.7, what is the value of x. would it be 0.3

80. ## math 157

Consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probibility of the stated event. A. A nonface card or a 7 is drawn B. A card that is not a king and not a spade is drawn. For A a nonface card is 10/13

81. ## FINANCE 200

Is an inflow of cash the funds spent in normal business operations?

82. ## math 156

how many different ways can you make change for 75cents using quarters dimes and nickles? is it 17 ways??

83. ## math 156

Tasha, Tess and Trudy need to spend a total of 60hrs. over the next year to complete a project in their appartment. How much time will Trudy spend if they have agreed to split the time in the ratio 7 to 4 to 9, respectivley? I have no idea how to even

84. ## math 156

The ratio of staff to patients at Lakeview is 8 to 7. If the total staff plus patients is 1575 people, how many staff are at Lakeview? I do not know how to work with ratios, can anyone help?

85. ## math 156

jack has a cable that is 22.4 ft. long. He wants to cut it into pieces that are 38.4 inches long? how many 38.4 inch pieces will he get from the cable? is it 16 pieces?

86. ## Math 156

ok firt when you have [] does it mean multiply because for this problem [7-(-8]|-6| [15]|-6| 15*6 90 is that right?

87. ## Math 156

The yearly high tempteture in a certain location is 75 degrees. The yearly low was -9 degrees. Write an integer difference that indicates the range in tempeture and find the difference. Would it be 84 degrees?

88. ## Math 156

how do you solve this: -|-5-(-4)|

89. ## Math 156

A delicatessen serves 13 kinds of sandwiches and 5 kinds of chips. How many different sandwiches and chip lunches can they make if each lunch has one sandwich and one bag of chips? Use the ditributive property to find the product?

90. ## Math 156

Who am I? If you multiply me by 6 and subtract 11, the result is 73.

91. ## math 117

Suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour, and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office

92. ## math

A)Use the quadratic equation: Tickets=-0.2^2+12x+11, to determine the last day the that tickets will be sold.(Note: write answer in terms of the number of days after ticket sales begin, x=1 is the day tickets go on sale) B)Will tickets peak or be at a low

93. ## Math

how do you find the x-intercepts and the y-intercepts to this: f(x)=x^2-3x+1

94. ## art 101

A shape can set off from its surroundings using changes in: a. Value [lightness or darkness] b. color [chroma or hue] c. texture d. all of the above

95. ## art 101

what are vanishing points used for?

96. ## math

determine wether the following lines are parallel, perpendicular or neither. y=20x+45 and y=-1/20x+81 they are perpendicular right?

97. ## math

Write an equation of the line satisfying the given conditions. A line perpendicular to y=2+3x

98. ## math

how do you solve this linear equation? x/3-1/3=-5 I do not understand this with fractions. Can anyone help?

99. ## Math

Give the equation of the circle with the given center and radius: Center at (1, 2) Radius is 1/2 I know that you are to use either (x-h)^2+(y-k)^2=r^2 or x^2+y^2=r^2, but I do not know how to do this? Can anyone help