# alicia

Popular questions and responses by alicia

How can nonverbal communication help you run a meeting? How can it help you call a meeting to order, emphasize important topics, show approval, express reservations, regulate the flow of conversation, and invite a colleague to continue with a comment?

2. ## physics

A bicycle has wheels of radius 0.3 m. Each wheel has a rotational inertia of 0.088 kg× m2 about its axle. The total mass of the bicycle including the wheels and the rider is 79 kg. When coasting at constant speed, what fraction of the total kinetic energy

3. ## chemistry

The density of a 15.00% by mass aqueous solution of acetic acid, CH3COOH, is 1.0187g/mL. What is (a) the molarity? (b) the molality? (c) the mole fraction of each component?

4. ## physics

15 beats are heard in 5 seconds when a piano key and a tuning fork of slightly higher frequency (440 Hz) are struck at the same time. What is the frequency of the sound emitted by the piano key?

Zoya asked the students of her class their baseball scores and recorded the scores in the table shown below: Baseball Scores Score Number of Students 0 1 1 2 2 5 3 3 4 6 5 7 6 9 Based on the table, what is the mean baseball score? 2.5 2.9 3.5****** 4.1

6. ## algebra

B=1/3h(q+z) solve for q

7. ## math

The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.

8. ## math214

A student asks whether a polygon whose sides are congruent is necessarily a regular polygon and whether a polygon with all angles congruent is necessarily a regular polygon. How do you answer?

9. ## math 214

A student claims that if any two planes that do not intersect are parallel, then any two lines that do not intersect should also be parallel. How do you respond?

10. ## Physics

While sitting on a tree branch 12m above the ground, you drop a chestnut. When the chestnut has fallen 2.5m, you throw a second chestnut straight down. What initial speed must you give the second chestnut if they are both to reach the ground at the same

11. ## physics

A pendulum clock has a pendulum shaft made of aluminum which has a coefficient of linear expansion of 24.0*10^-6K^-1. At 22 degrees celsius the period of the swing of the pendulum is 1.00seconds. If the temperature is reduced is reduced by 0.625°C every

12. ## Chemistry

calculate the minimum concentration of ag+ ion that must be added to (or built up in) a 0.140 m Na2CrO4 solution in order to initiate a precipitation of silver chromate. The ksp of ag2cro4 is 1.2 × 10^-12.

13. ## physical science

Riding his bike, Dewayne can start from rest and get going at 12 m/s in 4 seconds. Beth can get going 16 m/s in 5 seconds. Who has a greater acceleration? How do you know?

how do you solve this??? 2(x-3)=-x+3+5x i don't get distributing stuff

15. ## Algebra

Use composition of functions to show that the functions f(x) = 5x + 7 and g(x)= 1/5x-7/5 are inverse functions. That is, carefully show that (fog)(x)= x and (gof)(x)= x.

16. ## Algebra

Use synthetic division to find the quotient and the remainder of: (x^3-7x^2+13x+3)/(x-2)

17. ## biology

Identify and explain examples of monomers and polymers in carbohydrates, proteins, and nucleic acids.

18. ## Math

For the discrete random variable X, the probability distribution is given by P(X=x)= kx x=1,2,3,4,5 =k(10-x) x=6,7,8,9 Find the value of the constant k E(X) I am lost , it is the bonus question in my homework on random variables so it must be hard. Many

19. ## math

The sphere has surface area 2058 cm2. Its radius, to the nearest tenth, equals

20. ## Math

An elevator moves at a rate of -5.8 feet per second from a height of 300 feet above the ground. It takes 3 seconds for the elevator to make its first stop. How many feet above the ground is the elevator now?

21. ## Chemistry

A 125-g piece of metal is heated to 288 degrees celsius and dropped into 85.0 g of water at 26 degrees celsius. If the final temperature of water and metal is 58 degrees celsius, what is the specific heat of the metal?

22. ## Math

when // lines are cut by a transveral, alternate exterior angles are congruent. true of false ? Explain please.

23. ## Spanish literature

Hello, in the play Punishment without Revenge there are 2 love triangles one is with the Duke, Cassandra, and Frederico, the question is there is another love triangle are the people in that love triangle Marquis, Aurora, and Frederico also another

Your boss wants to send a brief email message welcoming employees recently transferred to your department from your Hong Kong branch. They all speak English, but your boss asks you to review his message for clarity. What would you suggest your boss change

25. ## Algebra

Suppose that the x-intercepts of the graph of y=f(x) are -8 and 1. What are the x-intercepts of the graph of y=f(x+4)?

26. ## Physics

A 30 kg child sits in a swing supported by two chains, each 1.4 m long. (a) If the tension in each chain at the lowest point is 265 N, find the child’s speed at the lowest point. (Neglect the mass of the seat.) Answer in units of m/s. (b) Find the force

27. ## Math

I need two 12x23 feet of carpet for my basement at \$6.00 per square foot. How much will this cost?

28. ## Pre Calc

Use a graphing utility to graph the function and approximate (to two decimal places) any relative minima or maxima. (If an answer does not exist, enter DNE.) f(x) = −x2 + 9x − 8

29. ## Temperature(Math)

At 1:00 pm the temp is 72 deg, the temp went down to 52 deg at 6:30, what is the temp at 4:00pm?

30. ## Maths

How would you solve this in order to find t? 0.2t(t-5.1)(t-9.1)=2.4+0.75t I tried differentiating it, but I wasn't getting the answer I was supposed to

31. ## Chemistry

How many liters of Carbon Dioxide are formed by burning 6011.0 grams of C3H7OH with excess of oxygen gas and is carried out at 20.00 degrees Celsius, and 1.150 atm of pressure. I know this needs PV=nRT but the burning and excess part is throwing me off.

32. ## Strategies for Academic Success

Sean is taking an online course in Psychology, and is about to take a quiz over the lesson, “The Experimental Method”. He did poorly on his homework assignment and is struggling to remember the lesson content. What should Sean do before he takes the

33. ## Geometry

I need help in this question!!! CD has an endpoint at (2,-1) and a midpoint at (8,3). which measure is closest to the length of CD? A. 20.4 units B. 8.4 units C. 14.4 units D. 11.7 units

34. ## Math

Mariko has an 80 inches = 1 inch scale- drawing of the floor of her house. On the floor plan, the dimension of her rectangular living room are 1 7/8 inches by 2 1/2 inches. What is the area of her real living room in square feet?

35. ## physics

An oil drop is stationary within an electric field of 490 V/m that is set up between two parallel plates. If the volume of the oil drop is 4 X 10 (-19) m3, how many excess electrons does it carry? (I'll give ya'll just one hint: the fundamental unit of

Our short memory can only hold about seven bits of information at a time. This means you should: a,use words with six letters or less b,use sentences of six letters or less c,never write a document with more than seven points d,group large amounts of

37. ## physics

A ray of light is incident on a plane mirror at an angle of 40o with the mirror surface. What will be the angle of reflection?

38. ## child psychology

the only ssri that's currently fda approved for the treatment of depression in children is a.paraxetine(paxil) b.fluxetine(prozac) c.sertraline(zoloft) d.trimoxiphine(xantax) I chose A im still unsure

39. ## Physics

An 80kg construction worker sits down 2.0 meters from the end of a 1450kg steel beam to eat his lunch. The beam is 6.0 m length total. A cable is supporting the beam and is rated at 15,000 N and is at a 30 degree angle to the beam. Should the worker be

40. ## math!!!

The function h = -6(t - 2.5)^2 + 38.5 gives the height, h metres, of a batted baseball as a function of the time, t seconds, since the ball was hit. What as the maximum height of the ball? a) -6 b 2.5 c) 38.5 d) 0

41. ## algebra

Cycle Paths, inc. makes bicycles, tricycles, and unicycles. Last week they made 88 more bicycles than unicycles, and 5 times as many tricycles as unicycles. If they made 40 more bicycles than tricycles, how many unicycles did they make?

42. ## Algebra

Reduce each rational expression to lowest terms. Assume that the variables represent only numbers for which the denominators are nonzero. (a^2-b^2)/(a-b)

43. ## math

which inequality is true if x=3.04/1.48, y = 1.99+0.33, and z = (1.3)^3? answer is either: y

44. ## Early childhood eductaion

Which fine motor skill would you expect children to be able to perform earliest?

45. ## Algebra

8. A balance of \$5,500.00 principal earns 3% interest, compounded annually. After 5 years, what is the balance in the account? 9. A car costs \$25,000 and depreciates in value by 15% each year. How much will the tractor be worth after 4 years?

46. ## help

In “who knows if the moon’s,” the speaker imagines traveling somewhere. Where does he imagine traveling? to Earth from the moon to a nearby garden to the moon from Earth to a city in the sky thx

47. ## help

Draw and use a tape diagram to model and solve the problem below. In a soccer league, the ratio of boys to girls is 4 to 6. There are a total of 50 players in the soccer league. Determine how many girls play in the soccer league. A. 10 B. 20 C. 50 D. 30

48. ## Math

For the first tour on Monday, a museum sells 4 child tickets and 8 adult tickets for \$128. For the second tour the museum sells 6 adult tickets for \$72. Find the price of one child ticket and the price of one adult ticket

49. ## geometry

Robin is looking up at a 89degree angle to the top of the stratosphere in Las Vegas, which is 1149ft tall. how far away is Robin form the base of the tower? round to the nearest hundredth

50. ## Algebra

Evaluate the polynomial 6x - y for x = - 3 and y = 2. A. 15 B. –20 C. 4 D. –16 I think it is b...am I right?

51. ## Algebra 2

Use grouping to solve each of the following equations. 36x+2x^3-36-2x^2=0 Please show work I want to learn how to do it.

52. ## Algebra 2

Find the real zeros of each polynomial f(x)=5x^3-40 Please show work I want to learn how to did it

53. ## Math

Louis paid \$42 for a dozen magazines with her annual and subscription to her favorite sport magazine. What is the unit cost for each magazine?(How many magazines did she subscribe to) Please show work.

54. ## Algebra 2

Complete the Square Solve each equation x^2+8x+16=16/9 Show work i want to learn!!!

55. ## math

Please simplify and explain to me how to do each of these. Greatly appreciated. x = multiply sign (not a variable) a)((9)^(1/2) (4)^2) / 24 b) (16)(2)^(x+2) The x here is a variable, not multiplication sign) c) (3)^(-8)/ (3)^(-6) (3)^(-5) d) ((4)^(-2) +

56. ## math

A map indicates that two cities are 160 miles apart. The scale of the map is 1/2 inch= 20 miles. 1. how many inches apart are the cities on the map. 2. Another map show the two cities has a scale of 3/4 inch =20 miles. How many inches apart are the two

57. ## math

It cost \$15.00 to buy 150 sheets of brand A's paper. it cost \$19.25 to buy 175 sheets of brand B's paper. Which brand has the better value and by how much?

58. ## math

what is the relative error of a distance given as 550cm plus or minus 24.2cm?

59. ## Calculus

Find the equation of the tangent plane at the given point. 1)x^2+y^2-z=1 at the point (1,3,9) 2)x^2*y^2+z-40=0 at x=2, y=3 3) x^2+ln(xy)+z=6 at point (4,0.25,2) For the first one I got the partial fraction in terms of x, y and z and my final answer was

60. ## Math

Solve the following problem. The owner of a toy store is taking inventory of bicycles and tricycles in an unusual way. He said he counted 50 wheels and 40 pedals.How many bicycles and how many tricycles did he have?

61. ## math

im in sixth grade and im confused with this question.there are 44,000 people living in salem.(16,000~workers :2,000~preschoolers : 13,000~students : 4,000~retirees : 8,000~homemakers : 1,000~unemployed) *what fraction of the population has jobs outside

62. ## Active physics

How much hear must be added to 1.5kg of water at -25degC to raise it up to 119degC?

63. ## Hypergeometirc Distribution

From a lot of 12 flares, 4 are selected at random. If the lot contains 4 defective flares *flares that will not fire), what is the probability that all 4 will not work? What is the probability that at most 2 will not work?

64. ## Math

List the elements {a1, a2, a3...} where an is defined as a1= 1, an=na(n-1) n E N, 1

65. ## Chemistry

write the formula for hydrogen and bromine forming hydrogen bromide & nickel and oxygen forming nickel (II) oxide

66. ## vectors

Determine whether each statement is true or false. Provide a brief justification. a. Two lines with parallel direction vectors willnot intersect. b. Two linesthat are perpendicularin R3 willhave perpendicular direction vectors. c. Two linesthat

67. ## Chemistry

10.0 mol of ammonia gas is injected into a 4.0 L container. At equilibrium 1.2 mol of nitrogen gas is found in the container. The number of moles of ammonia gas left in the container must be which of the following? N2(g) + 3H2(g) 2NH3(g) + 94 kJ a. 8.8 d.

68. ## English

I am writing an essay based whether non fiction can equal or surpass fiction. I chose to write that non fiction can equal fiction and my 3 support aruguments it that they both have a purpose, both contain fictional elements(specifically conflict) and they

69. ## math sequences and series

how do i solve the sum of the first two terms of an arithmetic sequence is 16. the sum of the second and third term is 28. determine the first three terms, algebraically

(-7+p)(8+p)

(p-7)(p+8)

72. ## social studies

What advantages might there be in living near other people in small towns, such as those in New England?

73. ## math214

Find the coordinates of the image for each of the following points under the translation defined by (x, y) S (x 1 3, y 2 4): a. (0, 0) b. (23, 4) c. (26, 29) d. (7, 14) e. (h, k)

74. ## Algebra

Complete the square to obtain exact solutions: x^2+6x+13 = 0 2x^2-5x-3 = 0

75. ## Algebra

Please express in terms of sums and differences in logarithms. log a x^3 y^2 z

76. ## Communication Theory

What shapes our perceptions more biology or society? I would say society because we are exposed to so many things in every direction on a daily basis. For example, the media and people impact our perceptions. What would you say and why? Thanks!

77. ## College Algebra

Can someone check my answer please? Find the corresponding y values for x= -2,-1,0,1,2,3 if y= x^-x-2. My answers are under Y. X Y -2 -4 -1 -2 0 -2 1 0 2 4 3 10

78. ## College algebra

Okay theres another part to this equation and I'm not sure if this is the right answer either. 5x+6y=18 solve for y. 6y = 18-5x y = (18-5x)/6 The second part is when graphed this equation would be a line. What is the slope and y-intercept of this line? The

79. ## Math

Natalie is making a tablecloth for a circular table 3 feet in diameter. The finished tablecloth needs to hang down 5 inches over the edge of the table all the way around. To finish the edge of the tablecloth, Natalie will fold under and sew down 1 inch of

80. ## Precalculus

The light pattern from a fog light at the airport can be modeled by the equation x^2/4 - y^2/16=1. One of the points on the graph is at (3, 4.5) and one of the x-intercepts is -2. Find the coordinates of the three addditional points on the graph and the

81. ## contemporary math

Intelligence quotients on the Stanford-Binet intelligence test are normally distributed with a mean of 100 and a standard deviation of 16. Use the 68-95-99.7 rule to find the percentage of people with the following IQs: a.) between 84 and 100 b.) below 52

82. ## history

what is a line of rulers that passes power from father to son It could be a hereditary monarchy or a dynasty. It can also be primogeniture if the power and lands pass to the oldest son. Please not #2 below which is taken from an online dictioary. Main

83. ## history

what are two river valleys located in india In ancient India, the two major river valleys were the Indus and the Ganges. http://www.fsmitha.com/h1/map06ind.htm Today, however, the Indus River is almost entirely in Pakistan. thank you i could not find

84. ## Math

consider the function f(x)= x^3+ax Given that f´(2)=0 ,determine value of a Thanks I need help

85. ## Mathematics

Ruben runs 4 miles in 30 minutes. At the same rate how many minutes would he take to run 10 miles?

86. ## chemistry

a gas has a volume of 4L at a temperature of -33 degrees C. if the temperature is increased to 27 degrees C and the pressure remains constant, what will be the new volume of the gas?

87. ## Pharmacology

patient is receiving an antibiotic IVPB in 50ml every 8 hours to run over 1 hour plus a maintenance IV of 100ml/hr. what is the 24h intake parenterally?

88. ## algebra 2

how do you find the rate of change from a linear graph?

89. ## Child growth and development

True or false locomotor skills require the use of small muscles in the hands or feet.

90. ## Math

Solve the following by dividing and reducing to the lowest common denominator. 7/9 ÷ 2/5 =

91. ## English

Traditional healers should be allowed to practice and prescribe in hospitals and clinics

92. ## Biology

How many chromosome do human have? How many chromosomes do each person give?

93. ## math

The radius of a spherical ball is measured at r = 50 cm. Estimate the maximum error in the volume and surface area if r is accurate to within 0.1 cm. (Round your answers to three decimal places.)

94. ## Math

12 1/9 + 10 2/3

95. ## Math

There is a school of 850 pupils 3/5 of them are girls how many girls are there

96. ## Physics

spring with a force constant of 111 Nm is attached to the ceiling. When an unknown mass is attached it pulls the spring down 0.340m to its equilibrium position. The mass is then pulled 9cm below its equilibrium position and oscillations back and forth.

If x = 2.5, 5x = ____. (Only input decimals such as 12.7 as the answer.) Answer for Blank 1:

98. ## Math

18. Kim deposited \$1422 in a savings account. How much would she have in the account after 5 years at an annual simple interest rate of 3%.

99. ## Math

In 2010 there were 2575 students at ECC. In 2013 there were 3090 students. For the units use student increase or student decrease, rounded to the nearest whole, and percent increase or percent decrease, rounded to the nearest 10th, in the answer boxes that