Rosa

Most popular questions and responses by Rosa

guess rule with letters. Fit the rule AEFHIKLN Do Not fit BCDGJOP HOW TO FIND THE RULE?

2. Algebra

Container A and container B have leaks. Container A has 800 ml of water,and is leaking 6 ml per minute. Container B has 1000ml,and is leaking 10 ml per minute. How many minutes,m,will it take for the two containers to have the same amount of water.

3. US History

as population increases the borders of Boston?

4. Physics IMP

An infinitely long wire carrying a current of 2 A is bent at a right angle as shown in the Figure. What is the magnetic field magnitude in Tesla a point P, 10 cm from the corner? I can not draw pic here but I will try to describe it: Point P is in right

5. math

The New network cell phone company charges \$20 a month for service and \$0.02 per minute of talking time. The mobile company charges \$15 a month for service and \$0.03 per minute of talking time.. (q) write expressions for the total bill of each company

6. English

Please answer each of the following questions in paragraph form. You should write one short paragraph for each response. Be sure to fully explain your answers using support from the text. 1. What do you think has happened to the narrator to make him feel

7. math

on average , exante express trains are 50km/h faster than Paral passenger trains. A paral train requires 60% more time than an exante train to travel 1800 km from matsay to rawindi calculate the average speed of each train calculate the time it takes each

8. Math

after moving into the new house a couple wants to have a concrete patio board to support her hot tub the plan calls for 14-ft by 16-ft slab of concrete 4 inches thick. How many cubic feet of concreate will be needed?

9. Algebra

Find the missing variable for a parallelogram: A=25in squareh h= b=3.4in (in=2.54cm)

10. Physics

A golf ball has a mass of 0.05 kg and acquires a speed of 80.0 m/s when hit with a force of 3000 N. how long was the club in contact with the golf ball?

11. Economics

Suppose consumers spent \$42 million on Christmas trees last year when the average tree cost \$30 and this year spend \$42 million when the average tree costs \$25. Assuming nothing else changed, this data suggests that a. consumers bought the same number of

12. chemistry

making ice cream involves surrounding the ice cream canister with a bath of salt ice water. to get the mix of freeze at 7.00 C,how many grams of salt (NaCl;molar mass = 58) will you need to add to 3.5 kg of ice water bath? (Kf of water = 1.86C/m)

13. Statistics

Data in 1980 showed that about 48% of the adult population had never smoked cigarettes. In 2004, a national health survey interviewed a random sample of 5000 adults and found that 54% had never been smokers. Create a 95% confidence interval for the

A figure skater stands on one spot on the ice(assumed frictionless) and spins around with her arms extended. When she pulls in her arms, her moment of inertia decreases to 3/4 of the initial value. Assume that her spin angular momentum is conserved. What

15. public speaking

The speaker is the ____________ of the message. A. decoder B. encoder C. transmitter (NOT C) D. channel

16. Economics

The demand for Olin skis is likely to be? a. less elastic than the demand for skis in general b. more elastic than the demand for skis is general c. unit elastic relative to the demand for skis in general d. as elastic as the deman for skis in general e.

17. Spanish

These are the instructions. Write the correct conjugation of the verbos pronominales in parenthesis to correctly fill the blanks in the following sentences: Example: Yo me levanto a las ocho. (levantarse) 1. Nuria y Ana despiertan a las nueve.

18. childcare

Please ,I need examples of lesson plan for (preschooler): 1- Select a concept regarding diversity . express your objective(es)in terms of how the children are able to communicate what they have learned at the end the lesson. 2- Plan one long activity or

19. childcare

which of the following is a suitablee toy for a toddler? A A riding toy B A walker C A trampoline D Powdered clay I agree with A

20. Elgin Elem

From 3:00 pm to 3:45 pm the minute hand of a clock turns how many degrees?

21. physics

Consider two solid uniform cylinders that have the same mass and length, but different radii: the radius of cylinder A is much smaller than the radius of cylinder B. Rolling down the same incline, which one of the two cylinders will reach the bottom first?

22. Intermediate algebra

The kinetic Energy (K)of a moving object varies jointly with it mass (m) and the square of it velocity (v) If an object has a mass of 22.5 kilograms and moving with a velocity of 20 meters per second has a kinetic energy of 4500 joules, find it kinetic

23. math (algebra honors)

the edge of one cube is 2 cm shorter than the edge of a second cube. The volumes of the two cubes differ by 386cm^3. Find the edge of the smaller cube.

24. math

Air is pumped into a balloon such that its volume increases at the rate of 75cm^3 per second. It is assumed that the balloon is spherical all the time. Find in term of pi the rate at which the radius of the balloon is increasing when the radius is 5cm.

25. Algebra

Mrs. Hill is 4 years older than twice her sons age. If the sum of their age is 50, how old is her son?

26. Pre Cal

An airplane travels due west for 2.5 hours at 340 miles per hour. Then it changes course to S51°W. Find the airplanes distance from its point of departure and its bearing, after a total flight time of 4.5 hours.

27. US History

which transportation development had the greatest long-term impact on the american economy?

28. Economics

If an increase in price from \$1 to \$2 per unit leads to an increase in quantity supplied from 20 to 100 units then the value of price elasticity of supply is. a. 0.38 b. 2 c. 2.67 d. 4 e. 8

29. Language arts

We're those who wanted te cherokees land influenced by the fact that the Cherokee signers of 1835 had acted illegally?

30. ELA

What kind of analogies would best be used when writing a serious essay on the topic of 21st century governments around the world?

31. Physics IMP

An infinitely long wire carrying a current of 2 A is bent at a right angle as shown in the Figure. What is the magnetic field magnitude in Tesla a point P, 10 cm from the corner? I can not draw pic here but I will try to describe it: Point P is in right

32. chemistry

If, in the reaction below, 31 g of C4H10 produces 41 41 g of CO2, what is the percent yield? Assume that the one reactant is limiting. 2C4H10 + 13O2 + 10H2O

33. Math 062

A 170 pound person burns 252 calories during 30 minutes of tennis,find the number of calories a 210 pound person would burn during the same activity.

34. Physics IMP pls

An infinitely long wire carrying a current of 2 A is bent at a right angle as shown in the Figure. What is the magnetic field magnitude in Tesla a point P, 10 cm from the corner? I can not draw pic here but I will try to describe it: Point P is in right

35. Physics

Three forces act on an object at the same time. F1 = 10.0 N 50.0degrees north of east, F2 = 15.0 N 25.0degrees south of west, and F3 = 15.0 N 38.0degrees east of south. What is the magnitude and direction of the net force?

36. Algebra

The Kinetic energy (k)of a moving object varies jointly with it mass (m) and the square of its velocity (v).If an object has a mass of 22.5 kilograms and moving with a velocity of 20 meters per second has a kinetic energy of 4500 joules, find it kinetic

37. economics

Wheat farmers in Kansas would benefit from a devastating crop failure in N.Dakota if the U.S.demand for wheat? is... a. inelastic b. elastic c. unit elastic d. downward sloping e. perfectly elastic

38. MATH

HEART BEATS ABOUT 72 TIMES PER MINUTE... IN A 30 DAY MONTH?____ IN A YEAR?_____ IN YOUR LIFETIME, IF YOU LIVE TO 72 YEARS OF AGE?________________

39. Chemistry

calculate the energy needed to warm the melted ice from 0 degrees celsius to the final temperature of the water

40. Teachers aide

A child who accepts failure readily is probably demonstrating a sign of _______ abuse.

41. English

This is the title of my ESSAY paper: United States vs. Denmark: Which health system works better for the citizens of the nations? I need to put this into a title for my paper (

42. Algebra

What is yhe name of a prism whose bases are hexagons

43. Child care

18. Children are more likely to lose control when they're A. bored. C. listless. B. tired. D. active. The correct answer is A

44. Algebra

nancy has \$250 in her savings account. she plans to save \$15 per week from her salary. annie has only \$200 in her account but she can save \$20 a week from her paycheck. How weeks will it take before the amount in each saving account is the same?

45. Physics IMP

A large heavy box has its center of mass at a distance l from a bottom corner and at an altitude h above the ground. At what critical angle alpha does the box start to fall over when it is tilted? Assume that the bottom corner of the box has a large

46. Geometry

If the measures of the exterior angles of the acute angles of a right triangle are (6x+23) and (4x+17), find the measures of the acute angles.

47. Algebra

Joseph wanted to throw a ball to John who was on a balcony 32 feet above him,so he tossed it upward with an initial speed of 48ft/sec. John missed it on the way up but caught it on the way down. How long was the ball in the air? What was its maximum

48. chemistry

If 7.50 grams 1-butene reacts with 25.0 g oxygen how many grams of carbon dioxide will form? Which reactant is limiting? How many grams of excess reactant will be left at the end of the reaction?

49. childcare

Children should not be served drinks in containers made of A Styrofoam. B uninsulated paper. C treated ceramic. D stainless steel. The answer correct is A .. Is it true?

50. childhood

A caregiver who stands in loco parentis to a child must act as------ would A the parents B the state officials C a certified teacher D a third party the answer is A

51. chilcare

Barry seems to do things without thinking. He has a great deal of trouble waiting for things , and he frequently leaves his small group and interrupts other . Which exceptionality most closely resembles Barry's behavior? A Rett's disorder B Autism C

52. 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

53. Child care

An encyclopedia on CD-ROM would be most appropriate for a typical A two-year-old-child B three-year-old-child C four-year-old-child D eight-year-old-child

54. software

your budget allows you to purchase only one math software package for your children ages 5-8. which one of the following packages would probably be best for this age group? A Ages 4-7 C Ages 7-9 B Ages 6-9 D Ages 6 and up

55. Geography

- What large city lies east of rocky mountains and north of 37 north? - Name a large city that lies near the Sonoran Desert? Denver is probably the city you are looking for east of the Rockys and north of the 37th parallel. Both Phoenix and Tucson are in

56. physics

A metal wire has a resistance of 8 ohm at a temperature of 20 degree celcius . If the same wire has a resistance of 8.40 ohm at 70 degree celcius , what is the resistance of this wire in ohms when its temperature is -10 degree celcius ?

57. college physics

A small sphere of mass m and charge +q with zero velocity falls under the influence of gravity (acceleration = g from height h onto an infinite uniformly charged plane with positive charge density sigma as shown below. What will the velocity of the sphere

58. public speaking

When preparing an outline for a speech, which of the below is NOT a part of the speech outline?

i have a question. this is on my homework. im greater than 4/10 less than 5/10 i have 9 ones what number am i?

60. Spanish

I need help with a few Spanish questions. These are the instructions. Re-write the following sentences replacing the underlined direct object with a direct object pronoun. Remember, the direct object pronoun needs to be placed directly in front of the

61. childcare

I need examples, how I can do, a lesson plan about regarding diversity that I would like to teach children. I should do a plan one long activity or several shorter ones for single lesson.And be specific about how you will assess what the children are able

62. Economics

If demand is price elastic, total revenue is a.directly related to quantity demanded b.inversely related to quantity demanded c.directly related to price d.directly related to price and inversely related to quantity demanded e.not related to either price

63. Economics

Price elasticity is unit elastic at the midpoint of a linear, downward-sloping demand curve. a.True b.False

64. Economics

If the demand curve shifts but supply curve doesn't & price remains the same supply must be perfectly inelastic? a. True b. False

65. Chemistry- Urgent Help

I want to know how can I solve for x if I am given 2.26= 1.000+x/ 1.000-x Thank You

66. grand caynon PSY

how has psychology been impacted by the philosophical and religious theories of child rearing?

67. physics

A metal wire has a resistance of 8 ohm at a temperature of 20 degree celcius . If the same wire has a resistance of 8.40 ohm at 70 degree celcius , what is the resistance of this wire in ohms when its temperature is -10 degree celcius ?

A small sphere of mass m and charge +q with zero velocity falls under the influence of gravity (acceleration = g from height h onto an infinite uniformly charged plane with positive charge density sigma as shown below. What will the velocity of the sphere

69. algebra

a baby weight only 9.9 ounces at birth. how much lighter was she than an average baby who weighs about 7 lb 8 ounces

70. Physics

Three forces act on an object at the same time. F1 = 100. N at 30.0degrees north of east, F2 = 200. N at 45.0degrees north of west, and F3 = 100. N at 30.0degrees east of south. What are the magnitudes and direction of both the resultant force and

71. Chemistry

Sodium hypochlorite, NaClO, is added as a disinfectant to the water supply. You are analyzing a sample from the supplier to verify its purity and you prepare to titrate 250.0 mL of a solution containing 1.86 g of NaClO with a 1.00 M HCl solution. What is

72. college algebra

9x^-4-35x^-2=0

73. Alg. 2

Hello so I'm suppose to Determine whether the given binoial is a factor of the polymonial P(x) and here's the question (2x-4); P(x)=2x5-4x4+2x2-2x-4 I keep going over and over it and end up with ridiculous numbers -_- please help! thank you

74. pre Algebrs

7 is 175% of what number

75. college

How would you use the concepts from Ch. 8 in a real-life situation? Describe how these concepts might be useful.

76. childcare

Please I need to help about Competency Goal #6 - commitment to professionalism. I want to know some examples of it.

77. 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

78. chemistry

I will like to know what I am doing wrong in calculating the energy difference when there is a transition of n=3 to n=2 for 1 mol of hydrogen atoms because I keep on getting 1.82*10^(5). Thanks

79. ENGLISH 4

WHAT IS A STRESSED SYLLABLE AND WHAT IS AN UNSTRESSED SYLLABLE?

80. Math Algebra

Resolve(17x²+14x + 9) – (-13x² +6x - 12) 30xsquared+20x+21 I'll try to be helpful and show the work. This is the method I learned last quarter. (17x"sq"+14x+9) + (13x"sq"+6x+12) = (30X"sq"+20x+21) I used the vertical method but the step are the same

81. biography

What are two or three most important lesson you or any other young person might learn from the way Vincent van Gogh lived? http://en.wikipedia.org/wiki/Vincent_Van_Gogh Many will be obvious when you read over the biography of him at this site. =)

82. EASY Q.

I WASN'T BEING MEAN I'M JUST SAYING CAUSE I FEEL YA THINK IM ASK STUPID QUESTIONS. WHALES LIVE IN GROUPS CALLED (COMMUNES),(COLONIES),(PODS) pods. and why are you asking these questions? Rosa, when you type in all-caps, two things happen: ~~it's harder to

83. Math 114

what is the solution of the system of equations of x-y=-3 and x+y=5? x-y=-3 x+y=5 y=x+3 0+y=5 x=3 0=0+y=5+0 y=x+3 y=5 y=3+3 y=6

84. english

What is the simple subject and simple predicate in the sentence We went to lunch with Amar and his friend today.

85. university of phoenix criminal justice

what are the effect on local law enforcement when they are require to enforce federal laws?

86. math packet

4*-3/5 divided -9/10

87. math packet

maria has \$1.05 in dimes and nickels. She has 6 more nickels than dimes. How many nickels does she have?

88. Math

Last Problem of the Week this year! Having a bit of trouble with it: In how many ways can seven basketball players of different heights line up in a single row so that no player is standing between two people taller than she is? Does it have anything to do

89. Compensation Management

which of the following statements is best descriptive of why many suggestion plans have failed

90. UNIVERSITY

a sound wave has a beta that is 10 dB, calculate the intensity of the sound wave in units of international standards and the amplitude of the pressure wave

Imagine you are an executive for BP, and you are preparing a presentation for the board of directors about the organization’s direction. Create a 10- to 15-slide Microsoft® PowerPoint® presentation, with speaker notes, in which you address

A yo-yo of mass m rests on the floor (the static friction coefficient with the floor is mu ). The inner (shaded) portion of the yo-yo has a radius R-1 , the two outer disks have radii R-2 . A string is wrapped around the inner part. Someone pulls on the

A yo-yo of mass m rests on the floor (the static friction coefficient with the floor is mu ). The inner (shaded) portion of the yo-yo has a radius R-1 , the two outer disks have radii R-2 . A string is wrapped around the inner part. Someone pulls on the

A yo-yo of mass m rests on the floor (the static friction coefficient with the floor is mu ). The inner (shaded) portion of the yo-yo has a radius R-1 , the two outer disks have radii R-2 . A string is wrapped around the inner part. Someone pulls on the

A yo-yo of mass m rests on the floor (the static friction coefficient with the floor is mu ). The inner (shaded) portion of the yo-yo has a radius R-1 , the two outer disks have radii R-2 . A string is wrapped around the inner part. Someone pulls on the

96. Physics

A small sphere of mass m and charge +q with zero velocity falls under the influence of gravity (acceleration = g from height h onto an infinite uniformly charged plane with positive charge density sigma as shown below. What will the velocity of the sphere

97. math,,,,helpp

describe strategies you have found for deciding whether a fraction is between 0 ans 1/2 or between 1/2 and 1???????????????????

98. math

i need help with this question!!! describe your strategy for finding a fraction equivalent to a given fraction?

99. math

Can you please explain this to me and how you got the answer ~ Jasmin is solving the equation below X^2-10x=9 what should she add to both sides to complete the square