Keisha

Most popular questions and responses by Keisha
1. math

You are reducing a map of dimensions 2 ft by 3 ft to fit to a piece of paper 8 in by 10 in. What are the dimensions of largest possible map that can fit on the page? I really don't know how to do this but so far I tried to make 2 proportions by changing

2. CHEMISTRY

How could you tell whether a white powder you have is sodium bicarbonate or sodium phosphate?

3. Chemistry

If you dissolve 10.0 g of compound X in 100.0 mL of distilled water, the liquid turns red. The temperature of the liquid stays at 24 C for 10 minutes. Why would you not sell a cold pack with a compound X?

4. physics

Jesse travels 3.0 meters east and then turns and travels 4.0 meters north. The trip requires 35 seconds. What is his velocity?

5. math

Four friends contributed money in the ratio 2:4:5:7.If the largest amount contributed was \$1.40, calculate the total amount contributed by all four people?

6. Chemistry

The rusting of iron is represented by the equation 4Fe+3O2=2Fe2O. A 1.45-mol sample of iron, how many moles of Fe2O3 will there be after rusting has completed.

7. Chemistry

If 4.00 g of metal is plated in the voltaic cell (which contains Ag and Ni with the total potential of 2.98 V) , how much metal is plated in the electrolytic cell (contains Ag and Zn with the total of 1.98 V)? I have no idea how to do this! Help?

8. math

A map of Australia has a scale of 1 cm to 120 km. If the distance between Melbourne and Canberra is 463 km, how far apart are they on the map, to the nearest tenth of a centimeter? I got 3.9 cm. I made a proportion 1/120=x/463 and that's how I got 3.9. Is

9. math

Which rule describes the transformation that is a reflection in the x- axis? a(x,y)=(y,x) b(x,y)=(-x,y) c(x,y)=(-x,-y) d(x,y)=(x,-y) I think the answer is b. Is this right?

10. chem

A flexible container at an initial volume of 8.15 L contains 2.51 mol of gas. More gas is then added to the container until it reaches a final volume of 12.1 L. Assuming the pressure and temperature of the gas remain constant, calculate the number of moles

Compute C8,3

12. math

A tree casts a shadow 10 ft long. A boy standing next to the tree casts a shadow 2.5 ft long. The triangle sjown for the tree and its shadow is similar to the triangle shown for the boy and his shadow. If the boy is 5 ft tall, how tall is the tree? I got

At the beach, 3 children pull on a floating toy. Child 1 plus with a force of 15N [N 24°E], child 2 pulls south and child 3 pulls west. The net force of the toy is zero. Assume that there are no other significant forces acting on the toy. a) Calculate the

14. physical science

Joe baked a cake for his mother's birthday. When he removed the cake from the oven, Joe noticed that the cake had not risen. Joe guessed that the baking powder he had used was too old. He designed the following experiment to test his idea. Joe prepared two

15. Economics

Economics Production Schedule The owner of a car wash is trying to decide on the number of people to employ based on the following short-run production function: Q = 6L - 0.5L2, with the corresponding marginal product of labor equation, MPL = 6 - L. a.

16. hcs 577

Why are charges not reported as revenue for health care organizations?

17. English

I had to rewrite sentences so that there were no longer fragments are they correct? 1. The idea of a credit card first appeared in 1887, according to Lawrence M. Ausbel, author of “Credit Cards,” in the McGraw- Hill Encyclopedia of Economics. 2.

18. math

The diagram of airport runway intersections shows 2 parallel runways. A taxiway crosses both runways. If angle 8 measures 119, what is the sum of the measures of angle 1 and 4? a 122 b 238 c 119 d 299 I think the answer is b. Angles 1,4,5, and 8 are either

19. math

Find the lateral area of a regular pyramid whose base is a square, whose slant height is 5 m, whose height is 3 m. I think that the answer is 60. I subtracted 3 squared from 5 squared and I got 4. I multipled 4 by 2 and I got 8. I made a formula 3(1/2(8 x

20. William James middle

A 5 pound bag of peanuts is on sale for \$9.30.itcis going to be divided into 3/4 pound bags.how much will it cost to fill one smaller bag?how many bags of peanuts will be remaining?

21. hcs/567

What are three nontraditional barriers to entry associated with entrepreneurial firms?explain which barrier you believe would be the most effective in the health care industry

22. math

Find the lateral and surface area of the right rectangular prism whose length is 7 cm, width is 5 cm, and height is 1.5 cm. I got 36 as my lateral area and 106 as my surface area. Is this right?

23. physics

Given the forces Fa= 2.3 N [S 35° W], Fb= 3.6N [N 14° W] and Fc= 4.2N [S 24°E] calculate the following: Fa + Fb + Fc

24. English

How could the following sentence be correctly rewritten to have an appositive phrase ? Stacey is an outgoing girl who enjoys acting in school plays.

25. math

You want to produce a scale drawing of your living room which is 24 ft by 15 ft. IF you use a scale of 4 in+ 6 ft, what will be the dimensions of your scale drawing? I think it's 4 ft by 2.75 ft. Is this right?

26. physica

If a certain spring stretches 4.32221 cm when a load of 15.3617 N is suspended from it, how much will the spring stretch if it is cut in half and 18.2451 N is suspended from it?

27. Chmistry

What is the volume of a cube that has the following measurements (length 20.0 cm, width 152 mm, height 0.458 m)

28. English

I need help with these last few questions. I don't know if they are correct,run-on or comma splice. 1. Mary Lou decided not to eat the alphabet soup the letters spelled out" botulism." 2.When English scientist James Smithson died in 1829, he willed his

29. chemistry

how many groups (families) are there n the periodic table how many elements are in your periodic table what is the basic theme of organization in the periodic table

30. math

You want to produce a scale drawing of your living room, which is 24 ft by 15 ft. If you use a scale of 4 in=6 ft, what will be the dimensions of your scale drawing. I think the dimensions are 16 ft by 10 ft. Is this right?

31. statistics

refer to a bag of marbles containing 5 green marbles, 4 red marbles and 2 yellow marbles. Three marbles are drawn from the bag, without replacement. What is the probabilty that all three marbles drawn are green?

32. Math

A sheet metal plate has the length of 147.5 mm and a width of 86.5 mm. Find its area in m^2.

33. math

Find the lateral and surface area of the right rectangular prism whose length is 7 cm, width is 5 cm, and height is 1.5 cm. I got 36 as my lateral area and 106 as my surface area. Is this right?

34. Elem. Ed.

The term "curriculum" can mean an academic area of study or: 1. a federal guideline 2. a holistic subject 3. the total program 4. a separate model Can't "curriculum" mean the total program? Generally, it means an integrated program of study. That can be

35. math

2 rectangles are similar. Which is a correct proprtion for corresponding sides? For one rectangle, the length is 12 and the width is 4. The other rectangle has 8 as the width and x as the length. I think it's 4/12=x/8. Is this right?

36. Algebra

The charge to rent a trailer is \$20 for up to 2 hours plus \$8 per additional hour or portion of an hour. Find the cost to rent a trailer for 3.2 hours, 4 hours, and 7.6 hours.

This is my sons math problem I am not good at math please can you help me and show the work for the calculations " ALI MADE A MODEL FOR 624 USING 6 HUNDREDS, 2 TENS, AND 4 ONES. WHAT IF ALI HAD NOT HAD ANY TENS? HOW COULD SHE HAVE MODELED 624 WITHOUT USING

38. math

Find the lateral and surface area of the regular square pyramid. Give exact answers. I don't understand this. I need help.

39. Elem. Ed.

I posted this question yesterday,and am still confused. Can someone please help? Which is one of the best ways teachers can help chldren deal with stress: 1.Applying proper behavior management techniques. (or) 2. Providing soothing and relaxing hands-on

40. english

Democracy is a noble goal; it is important, however, to protect the minority from the tyranny of the majority. 1. Simple Sentence 2. Compound Sentence 3. Complex Sentence 4. Compound-Complex Sentence

41. math

Two rectangles are similar. One has a length of 10 cm and a width of 8 cm, and the other has a width of 7 cm. Find the length of the second triangle. Round to the nearest tenth if necessary. I got 8.8 cm. I made a proportion 8/10=7/x and that's how I got

42. math

Which rule describes a reflection in the x axis? a (x,y)=(y,x) b (x,y)=(-x,y) c (x,y)=(-x,-y) d (x,y)=(x,-y) Reflection means flipping a figure over. So I made a mistake. I think the answer is c. Is this right?

43. math

The vertices of a rectangle are R(-5,-5), S(-1,-5), T(-1,1), and U(-5,1). After translation, R prime is the point (0,-13). Find the translation vector and coordinates of U prime. I got (5,-8) as my translation vector and (0,-7) as U prime. Is this right?

44. math

Marcus has 68 ft of fencing. He wants to build a rectangular pen with the largest possible area. What should the dimensions of the rectangle be? a. 19 by 21 b. 21 by 13 c. 17 by 17 d. 19 by 15 I got a. Is this right?

45. Math

If the ratio of purple bikes to red bikes is 8 to 12 and there are a total of 100 bikes, how many of them are purple?

46. Math 116

1.Write an equation of the line containing the given points and parallel to the given line (3,8); x+5y=3 2. Write an equation of the line containing the given points and parallel to the given line (-3,6); 5x=9y+2 3. Write an equation of the line containing

47. geometry

Emma is installing a new tile floor. Each tile measures 12 inches by 12 inches. The room in which she is installing the tiles measures 14 feet by 10 feet. If each tile costs \$1.25, how much will it cost Emma to complete her project?

48. college

Why is HC3HO considered a weak acid? Why is NaOH considered a strong base? Why is Mg(NO3)2 considered a salt?

49. hr

To what extent is a company obligated to pay a wage that guarantees the right to the pursuit of happiness for the individual and his or her family? Is a living wage a better measure of minimum wage?

50. science

----- major tenet of janaist faith, it is the avoidance of violent actions

51. Math

How to reduce a picture using a scale factor of 1/4 and how to do it

52. accounting

mordica company will receive \$100,000 in 7 years. If the appropriate interest rate is 10%, the present value of the \$100,000 receipt is (A) \$51,000 (B) \$51,316 (c) \$151,000 (D) \$194,872

53. English

I need help figuring out what strategy is used to begin a essay. Is it Development by example, process analysis, comparison and contrast, definition, classification or causal analysis? Last June, as I stood behind the bright orange guard door of the

54. english

5.Unless my girlfriend postpones her visit from Calgary, I will not have time to study for my exam. 1. Simple Sentence 2. Compound Sentence 3. Complex Sentence 4. Compound-Complex Sentence

55. Math

If a triangle has sides 4cm,7cm and 9cm long, what is its area? (no answers pls want the working)

56. Brokport

An investment of \$180,000 was made by a business club. The investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second 6%, and the third 9%. Total interest from the investments was \$8520.

57. math

STATISTICS The mean score for samantha's first s algebra quizzes was 88. If she scored a 95 on her next quiz, what will her mean score be for all 7 quizzes?

58. physical science

is the study of the moon's phases a pure or applied science

59. chenistry

Calculate the molarity of the following. 45 grams of Na2SO4 dissolved to make 500 ml of solution 30 grams of C4H8O4 dissolved to make 450 ml of solution

60. social studies

what feature makes up much of the U.S border with Mexico

61. Biology

This is an mRNA sequence for the name of a protein found throughout your body: 5' C U A C C U C A G A U U C G C C U A C C U 3' What is the DNA sequence that encodes for the word for this protein? Be sure to note the 5' and 3' ends.

62. math

An airport runway intersections shows 2 parallel runways. A taxiway crosses both runways. If angle 8 measures 119, what is the sum of the measures of angle 1 and 4? a 122 b 238 c 119 d 299 I think the answer is b. Angles 1, 4, 5, and 8 are either alternate

63. math

Marcus has 68 ftof fencing. He wants to build a rectangular pen with the largest possible area. What should the dimensions of the rectangle be? a. 19 ft by 21 ft b. 21 ft by 13 ft c. 17 ft by 17 ft d. 19 ft by 15 ft I got a because I multiplied 19 x 21 and

64. Elem. Ed.

Can you help me to fill in the blank to this sentence? Molly is an older 4-year-old and her teacher is concerned about her _________ speech development because she is difficult to understand and this has not changed in the last year. 1. receptive 2.

65. english

in the book Beowulf what are "the rings" whick are spoken of in the prologue I may be missing something here. The only rings I remember in the prologue is the "Breaker-of-rings"...an important person, or chiefian, whose job it is to break off parts of gold

66. Math 116

1.Write an equation of the line containing the given points and parallel to the given line (3,8); x+5y=3 2. Write an equation of the line containing the given points and parallel to the given line (-3,6); 5x=9y+2 3. Write an equation of the line containing

67. accounting

Pearson corporation makes an investment today (January 1, 2010). They will receive \$10,000 every December 31st for the next six years (2010-2015) If pearson wants to earn 12% on the investment, what is the most they should invest on January 1, 2010? A)

68. stats

Time taken in mins for student to walk to school. 1-5 mins (4 students) 6-10 mins (7 students) 11-15 mins (10 students) 16-20 mins (20 students) 21-25 mins (6 students) 26-30 mins (3 students) 1)Estimate the probability that a student selected at random

69. math

You are recuding a map of dimensions 2 ft by 3 ft to fit to a piece of paper 8 in by 10 in. What are the dimensions of the largest possible map that can fit on the page? I think the answer is 1.5 ft by 2 ft. Is this right?

70. math

The sum of four consecutive odd integers is -72. Write an equation and find the values of the 4 integers. I think that the equation is -x-x-x-(-x+1). So far that's where I'm am. Am I on the right track?

71. math

A diagram of airport runway intersections shows 2 parallel runways. A taxiway crosses both runways. If angle 8 measures 119, wwhat is the sum of the measures of angle 1 and 4? I think that the answer is 238. Is this right?

72. Elem. Ed.

Can you please help? The teacher is concerned about Tom. He often appears easily frustrated, quick to anger,agressive towards other children,and in constant motion. His teacher should suspect: 1 problem of attention and hyperactivity 2. behavior problem

73. Elem. Ed. Another Question

I need help with these questions to make sure I am right. If the art center is orderly and organized, children: 1.should be free to mess up the materials and use them with abandon. 2.are inhibited because the materials are too organized. 3. can find what

Can anyone help me on these? i have no idea how to solve it. Thanks alot! 1)On a soccer team three fullbacks can play any of the three fullback positions, left, center, and right. The three halfbacks can play any of the three halfback positions, the four

75. HR

Based on your experiences with specialized knowledge businesses, which compensation strategy do you think would prove more effective today: the incentive-based, more knowledgeable worker, or the lower wage-base with more self-service? Consider examples of

76. Statistics

In a certain population of clover, the number of flowers on each plant is approximately normally distributed with a mean of 10.8 flowers/plant and a standard deviation of 2.1 flowers/plant. What percentage of the plants fall between 8 and 11 flowers?

77. chemistry

What mass of nitric acid, in grams, can be made from 113g g of ammonia?

78. Hum/176

Is it possible for a band or artist to make topical or political commentary in a song today while focusing on turning a profit?

79. HISTORY

Which Greek-speaking people dominated the Aegean world from about 1400 B.C. to 1200 B.C. and were involved in the Trojan War? A. Minoans B. Spartans C. Mycenaeans D. Mediterraneans I SAY D

80. History

What was one of the main teachings of Siddhartha Gautama? A. Respect for one’s elders ensures social order. B. Strict caste rules help ensure spiritual purity. C. Priests will help lead you to enlightenment. D. Avoid desire because it causes suffering

81. math

a map has a scale of 5 cm represents 3 km. Wich proportion would not allow you to find the actual distance between 2 cities if they are 7 cm apart on the map?

82. psy 101

You believe that most behaviors are a product of your environment; your best friend argues that behaviors are a result of heredity. This is an example of?

83. English

can someone please proofready my essay and fix any grammar errors I make have Thanks. Frederick Douglass had rough transition from freedom to slavery. His journey changed from oppression to freedom. He did not know what God had planned for his life, but he

84. Math

A ring has an outsdie diameter of 3.85cm and an inside diameter of 2.63cm.Calculate its area?

what feature makes up part of U.S border with Canada?

86. math(relation & functions) need help urgently

Seeds of type A and type B are sold in a packet each must contain a)both type a and type b seeds b)at least twice the number of type b c)as there are type a seeds no more thanm 12 seeds 1)state the minimum number in each packet of type a and type b seeds.

87. math

Van Gogh's painting Starry Night measures 92 cm long by 73 cm high. You buy a poster that shows an enlargement of the painting. The poster measures 120 cm long by 100 cm high. Is the poster an accurate represenation of the painting? I think the answer is

88. math

The vertices of a rectangle are R(-5,-5), S(-1,-5), T(-1,1),and U(-5,1). After translation, R prime is the point (0,-13). Find the translation vector and coordinates of U prime. I got (5,-8) as my tanslatipn vector and (0,-7) as my U prime. Is this right?

89. math

2 rectangles are similar. One has a length of 10 cm and a width of 8 cm and the other has a width of 7 cm. Find the lenfth of the second rectangle. Round to the nearest tenth if necessary. I think the answer is 8.8 cm. Is this right?

90. Biology

For each of the folliwng groups of animals (marine invertebrates, marine vertebrates, fresh-water animals & land animals) describe osmosregulatory probkems they face and how they cope with them? I think what you need can be found at the following 3 sites:

91. english

Which of the following is NOT a form of informational text? a. a history textbook b. a news app on your smartphone c. a brochure at the doctor's office d. a graphic novel

92. Math

Andrew is searching for a cup and discovers that he has 20 plates for every 5 pairs of cups. If he has 40 plates how many pairs of cups does he have?

93. math

In which of the following sentences is the underlined word a past participle ? (a) we (helped)Joan to pack her things (b) I was (working)overtime for about six months (c)Jenna has (driven)this route multiple times.(d)She would (like) to join us

94. science

a small dog is train to jump straight up a distance of 1.2m. how much kinetic energy does the 7.2-kg dog need to jump this high ( the acceleration due to gravity is 9.8m/s2

95. math

Suppose that x is normally distributed with a mean of 10 and a standard deviation of 3. Find P(x ¡Ü 6). Note: Round your answer, if necessary, to two places after the decimal. Please express your answer with two places after the decimal.

96. economic

A socialist believes that wealth should be spread evenly throughout society. What characteristic of socialism is designed to achieve this goal? A. The government controls the centers of economic power. B. Central planners make all decisions about the

97. Physis

When a electron is displaced in a semiconductor,the hole that's left behind is

98. CHEMISTRY! Help?

If 4.00 g of metal is plated in the voltaic cell (which contains Ag and Ni with the total potential of 2.98 V) , how much metal is plated in the electrolytic cell (contains Ag and Zn with the total of 1.98 V)? I have no idea how to do this! Help?

99. chemistry

If 4.00 g of metal is plated in the voltaic cell (which contains Ag and Ni with the total potential of 2.98 V) , how much metal is plated in the electrolytic cell (contains Ag and Zn with the total of 1.98 V)? I have no idea how to do this! Help?