# Rosa

Popular questions and responses by Rosa
1. ## 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

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

3. ## 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

4. ## 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

5. ## 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

6. ## US History

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

7. ## 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

8. ## english

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

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 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

11. ## public speaking

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

12. ## 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

13. ## 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)

14. ## 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

15. ## Child care

which of the following is an example of consumable equipment? A. A magnifying glass B. Unit blocks C. Finger paint D. A bulletin board The correct answer is B

16. ## 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?________________

17. ## 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. =)

18. ## Mathematics

A box is 4 inches wide, 5 inches long, and 3 inches tall. What is the surface area of the box? Please help me out here

19. ## Mohan

why an insects can run surface of water with out sinl

20. ## Language arts

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

21. ## 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?

22. ## 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?

23. ## 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 ?

24. ## 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

25. ## Accounting

Ferguson Company was started in 2008 when it acquired \$60,000 from the issue of common stock. The following data summarize the company's first years' operating activities. Assume that all transactions were cash transactions. 2008 2009 2010 Purchase of Inve

26. ## 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?

27. ## childcare

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

28. ## Economics

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

29. ## 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

30. ## 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

31. ## ENGLISH 4

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

32. ## physiology

explain neurophysiological properties of skeletal muscle tissue in response to immobilization and stretch.

33. ## 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?

34. ## ELA

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

35. ## Math 114

Solve and check x+y=12;y=3x x+y=12;y=3x x+3x=12 4x=12 4x/4=12/4 x=3 y=3x y=(3)(3) y=9

36. ## 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

37. ## 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.

38. ## Math 062

if 3 pounds of grass seed cover 403 square feet,how many pounds are needed for 5642 square feet?

39. ## 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.

40. ## Chemistry

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

41. ## 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.

42. ## 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?

43. ## Algebra

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

44. ## Social Studies

How was John Adams and Thomas Jefferson similar when it came to political ideas, political minds ,and visions for the new republic?

45. ## History

Does this sound good for my History homework: History is an interpretation of evidence. It provides a meaning and explanatory to why history has caused a big impact on our life today. At one time, every nation tried to vanquish one another that generated

46. ## grand caynon PSY

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

47. ## university of phoenix criminal justice

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

48. ## math packet

4*-3/5 divided -9/10

49. ## math packet

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

50. ## Teachers aide

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

51. ## 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

52. ## Compensation Management

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

53. ## 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

54. ## Resources for educating young children

A portfolio should?

55. ## 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.

56. ## US History

as population increases the borders of Boston?

57. ## 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.

58. ## Elgin Elem

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

59. ## 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

60. ## 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

61. ## 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

62. ## 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

63. ## 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 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

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. ## 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

70. ## math,,,,helpp

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

71. ## math

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

72. ## public speaking

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

73. ## 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

74. ## math

the perimeter if a fence is 48 meters. if the width is 2 meters less then the length, find the with

75. ## 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

76. ## 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?

77. ## 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?

78. ## 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

79. ## ENGLISH

I live at 1502 Fourteenth Street.

80. ## algebra

Find the second and fifth terms of A(n)=22+(n-1)11 and A(n)=-2+(n-1)(-2)

81. ## Math

When the last digit is 4 or less to what number you rounded in 852?

82. ## ANT

Amok (murderous raging) in Malaysian culture, susto (e.g., spirit attack) in Latin America, and fright in Caribbean Creole are all examples of

83. ## Math

I am thinking of an odd two digit number.The sum of its digits is eight.The difference of its digits is six. It is greater than ten and less than twenty. What is my number?

84. ## logic

A person who is shown his or her argument commits a fallacy should run screaming from the room. argue louder. add another fallacy. revise the argument.

85. ## Prob&stats

Search results for: Using numbers 1-20 what is probability a randomly chosen number is either an even number or a number greater than 14?

86. ## Prob&stats

Search results for: Using numbers 1-20 what is probability a randomly chosen number is either an even number or a number greater than 14?

87. ## trig

Choose the percent increase or decrease for the before and after measurements: 12 (before) and 12 (after) a) not given b) increase of 30% c) decrease of 25% d) increase of 25%

88. ## 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

89. ## College Algebra

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

90. ## college algebra

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

91. ## 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

92. ## 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.

93. ## english

what are some example of overcompensating

94. ## 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 (

95. ## Math

The line for the Dunking Machine was twice as long as the Cake Walk line. The line for the Cake Walk was one-third the length of the line for the Hoop Shoot. If there were 12 people in line for the Hoop Shoot, how many people were in the line for the

96. ## Algebra

What is yhe name of a prism whose bases are hexagons

97. ## chemistry

how to find mass percentage

98. ## pre Algebrs

7 is 175% of what number

99. ## 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