# tasha

Popular questions and responses by tasha
1. ## Physics

A dog searching for a bone walks 3.50 m south, then 8.20 m north of east, and finally 15.0 m west. (a) What is the magnitude of the dog's total displacement? (b) What is the direction of the dog's total displacement where directly east is taken as zero

2. ## statistics

"suppose that IQ scores have a bell-shaped distribution with a mean of 97 and standard deviation of 17.Using empirical rule, what percentage of IQ score are less than 46?"

3. ## Basic Chemistry

What is the pressure of 64.0 g of oxygen gas in a 1.50-L container at -37°C a. 4.12atm b. 51.6atm c. 19.6atm d. 8.2atm

4. ## Math

What's the common factors of 10ab and 15a

5. ## AP chemistry

A 28 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 19.5 g. What was the mass of iron in the sample of ore? Answer in units of g.

6. ## Trigonometry

Simplify the expression using trig identities: 1. (sin4x - cos4x)/(sin2x -cos2x) 2. (sinx(cotx)+cosx)/(2cotx)

7. ## math

what is the ratio of the number of seconds in a day to the number hours in a day

8. ## math

A spherical baloon expands when it is taken from the cold outdors to the inside of a warm house. if its suface area increases 16%, by what percentage does the radius change

9. ## Math

Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and prepreview ads before the movie starts. Many complain that the time devoted to previews is too long. A preliminary sample

10. ## children's literature

two types of biographies are:

A Health Care Administrator has been hired by an, Ambulatory health care setting. What should the health care administrator expect to encounter in this type of health care setting, and how would the health care deal with issues or the different encounters

12. ## math

a bin contains seven red chips, nine green chips, three yellow chips, and six blue chips. Whats the probability od drawing a red chip, replacing it, then drawing a blue chip

13. ## science

What is the speed of an 800-kg car whose KE is 250 kJ? Use the formula KE = (1/2) M V^2 Rearrange it to solve for V. You'll need to take a square root along the way.

14. ## Statistics

A bag contains 8 red marbles 4 blue marbles and 1 green marbles. Find p(not blue)

15. ## Math

Bob's frog can travel 6 inches per jump, Kim's frog can travel 9 inches, and Jack's frog can travel 13 inches. If the three frogs start off at point 0 inches, how many inches will it be to the next point that all three frogs touch?

16. ## chemistry

Based on the following chemical equation, answer the questions below. Show all your calculation The balanced chemical reaction of iodine with hydrogen sulfide is as follows: H2S(g)+I2(s)-----2HI(g) + S(s) (a) Based on the above chemically balanced

17. ## Accounting

1. The price of a bond is equal to the sum of the interest payments and the face amount of the bonds. 1. True 2. False 2. When a corporation issues bonds, it executes a contract with the bondholders, known as a bond debenture. 1. True 2. False 3. A

18. ## Math

Determine whether or not the first number is divisible by the second number 10,199; 3

19. ## Algebra

If (c) were f(k)=-4/k+7, what value of k would be excluded from the domain?

20. ## MATH

If the sales tax on an item is 7%, the sales tax on an item costing d dollars can be found by the expression .07d. Determine the sales tax on a compact disk that cost \$15.99.

21. ## chemistry

Four identical 1.0-L flasks contain the gases He, Cl2, CH4, and NH3, each at 0°C and 1 atm pressure. Which gas sample has the greatest number of molecules?

22. ## Math

How many triangles are in a polygon whose sum of its interior angles is 1080°.

23. ## physics

when a tennis ball is served, it is a contact with the racket for a time that is typical 0.005 seconds. find the force needed to serve a 60.0 gram tennis ball moving with a velocity of 30.0m/s

24. ## science

When hydrochloric acid reacts with sodium sulfide, hydrogen sulfide gas and sodium chloride are produced. How many moles of H2S will be generated by 2.56 moles of HCl? 2HCl + Na2S → H2S + 2NaCl

25. ## Strategic Management

A multidomestic strategy is similar to a transnational strategy. True or False?

26. ## spanish

I need help on writing five paragraph on why i like spanish

27. ## math

Sam Seller offers credit at 19% interest per year.

28. ## Math

In one year, Melinda grew 2 1/4 inches to 48 3/8. What was her height at the beginning of the year?

29. ## math

Can someone assit me with my two math problems Assume that the salaries of elementary school teachers in the united states are normally distributed with the mean of 36,000 and a standard deviation of 6,000. What is the cut off salary for teachers in the

30. ## mathematics

Squareroot of (0.0256/25) giving your answer in standard form. Is the ans (0.0256/25)= 0.001024 Squareroot of 0.001024 = 0.032

31. ## History

were can I find information about this question? The exploration and settlement of the American continents by Europeans initiated contact between Europeans, Native Americans, and slaves brought from Africa. How did these diverse interactions affect each

32. ## Geometry

Can the Isosceles Triangle Theorem be written as a biconditional? If yes, rewrite it as one, if no, explain why not.

33. ## Chem

Choose the member of each set that you would expect to be more soluble in water. Explain your answer. Chloroform, CH3Cl, or hydrogen chloride. My gut instinct was HCl, however I'm not sure why [or if] it's more soluble than CH3Cl. Of course HCl is more

34. ## science

How long will it take a 1000-kg car with a power output of 20 kW to go from 10m/s to 20 m/s? Ignoring friction, the change in kinetic energy has to equal Power*time

35. ## government

A statement of personal belief or judgement

36. ## Math

The vertical angle of a cone is 60°and its slant height is 30cm. Find the radius of the base

37. ## math

Ms. Bran brought 36 muffins to school. They were equally packed into 4 boxes. How many muffins were in each box?

38. ## Chemistry

Please help!! If the density of fresh water at 4 degrees Celsius is 1.00g/mL, determine if the following objects will sink or float in water. 1.) A 200 feet (61m) tall pine tree that weighs 11,200 pounds (5,080 kg) and has a density of 0.88g/mL 2.) One

39. ## algebra

The atmospheric pressure P in pounds per square inch (psi) is given by P = 14.7 e−0.21 a where a is the altitude above sea level (in miles). If a city has an atmospheric pressure of 12.21 psi, what is its altitude? (Recall that 1 mi = 5,280 ft. Round

40. ## finance

if tiny tots has a outstanding debt currently selling for 800 per bond. it matures in 20 years pays interest annually and has 14% coupon rate par is 1,000, what is the after tax cost of the debt?

You are a marketing manager interviewing for a new job at several different firms simultaneously. You expect to be asked the same questions in each interview dealing with what you think are some good new marketing opportunities for each firm to pursue. You

42. ## physics

In one of Michelson's experiments, a beam from a revolving mirror traveled 12 km to a stationary mirror. How long a time interval elapsed before the beam returned to the mirror?

43. ## Chemistry

the following acid—base neutralization reaction HNO3 (aq)+ KOH (aq) --KNO3(aq) + H2O (I) What is the molarity (M) of an HNO3 solution if 50.0ml is needed to react with 25.0ml of 0.150M KOH solution?

44. ## Chemistry

In the following acid—base neutralization reaction HNO3(aq)+ KOH(aq) ----KNO3(aq) + H2O (I) What is the molarity (M) of an HNO3 solution if 50.0 ml is needed to react with 25.0 ml of 0.150M KOH solution?

45. ## world history

How did powerful families of Japan like the Fujiwara legitimate their power at court

46. ## world history

Which group forced the Chinese to acknowledge their claim to the mandate of heaven and sign a treaty in 1127 C.E

47. ## world history

In the eleventh and twelfth centuries, the Song Dynasty had all of the following characteristics except

48. ## Early childhood education

define thematic fantasy role play,play tutoring,positive peace,situational violence

49. ## Managerial Economics

A)Who has more monopoly power---Wal-Mart or the concessionaire who has acquired the franchise to sell beer, hot dogs, colas, candy, etc., at a Washington Redskins football game? Explain. B)Who has more monopsony power---Wal-Mart or teams in the National

50. ## Algebra 1

If Soybean is 12% protein and Corn is 6% protein. How much of both will equal 240lbs that is 10% protein?

51. ## Microeconomics

Combination Health Care All Other Goods A 0 100 B 25 90 C 50 70 D 75 40 E 100 0 b. What is the opportunity cost of combination C? c. Suppose a second nation has the following data. Plot the PPC, and then determine which nation has the comparative advantage

52. ## math

Suppose that the width of a rectangle is 5 inches shorter than the length and that the perimeter of the rectangle is 50 inches. The formula for the perimeter of a rectangle is P=2L+2W. a) Set up an equation for the perimeter involving only L, the length of

53. ## physics

the speed of a transverse wave on a string is 450 m/s while the wavelength is .18m. the amplitude of the wave is 2mm how much time is required for a particle of the string to move through a total distance of 1km

if researchers were studying the effects of teaching methods on patient learning outcomes how must they word the research question to use t-test for statistical differences?

55. ## math

Following are three sets of letters. Draw one letter from Set 1 and place it in Set 2. Then draw one letter from Set 2 and place it in Set 3. Finally, draw a letter from Set 3. What is the probability that the last letter drawn is a B? B C B B B B Set 1

56. ## math

Following are three sets of letters. Draw one letter from Set 1 and place it in Set 2. Then draw one letter from Set 2 and place it in Set 3. Finally, draw a letter from Set 3. What is the probability that the last letter drawn is a B? B C B B B B Set 1

57. ## algebra

Cole's two student loans totaled \$31000. One of his loans was at 2.8% simple interest and the other at 4.5%. After one year, Cole owed \$1024.40 in interest. What was the amount of each loan?

58. ## math

Paul read 20 pages of a book in 15 minutes. (a) What is Paul’s reading rate of pages per minute? (b) If he continues to read at the same rate, how many pages will he read in 1 hour?

59. ## anthropology

There are anthropological links between social science and natural science

60. ## com 150

brainstorming and brain mapping

61. ## Physics

An apartment has a living room whose dimensions are 2.5 m 4.8 m 5.9 m. Assume that the air in the room is composed of 79% nitrogen (N2) and 21% oxygen (O2). At a temperature of 27°C and a pressure of 1.01 105 Pa, what is the mass (in grams) of the air?

62. ## Physics

In an automatic clothes drier, a hollow cylinder moves the clothes on a vertical circle (radius r = 0.39 m), as the drawing shows. The appliance is designed so that the clothes tumble gently as they dry. This means that when a piece of clothing reaches an

63. ## Physical Science

If you are given the density and the mass, how do you get the volume?

64. ## science

A crane whose motor has a power input of 5.0 kW lifts a 120-kg load of bricks through a height of 30m in 90s. what is the efficiency of the crane, which is the ratio between its output power and its input power.

65. ## science

How much work is needed to raise a 110-kg load of bricks 12m above the ground to a building under construction? According to the law of conservation of energy, the work required equals the change in potential emergy. To get the increase in potential

66. ## accounting

One of the adjustments for the worksheet says: * Of the \$25 369.20 shown on the trial balance under Materials Used, \$2 850 is still on hand and unused. Therefore I credited Materials Used by \$2 850.. but which account do I debited because there is no

67. ## Physics

In a sound wave in air, the adjacent rear faction and cooperation are separated by a distance of 17m. If the velocity of the sound is 340ms, determine the frequency

68. ## math

A club has 5 members. From these members, the positions of president, vice-president, and treasurer have to be filled. In how many different ways can these positions be filled

69. ## Math

Given a triangle abc such that

70. ## Math

In a math class, students can take either algebra or geometry or both. If there are 50 students in the class and 35 take geometry, while 28 take algebra, how many students take both?

71. ## Math

6 lumberjacks can cut down 15 mahogany trees in 2 hours. How much longer will it take 8 lumberjacks to cut down 35 trees working at the same rate

72. ## chemistry

What is the empirical formula of a compound that contains two moles of calcium, two moles of sulfur and eight moles of oxygen? A. CaS0 B. CaS02 C. CaSO4 D. Ca2S0 i think D

73. ## Math

x + y = 21 what can be the smallest integer for positive xy

74. ## Math

lucy has 77 blank recipe cards. she divided her recipe box intpo 9 sections. if 5 sections have 1 more card than all the other sections, how many cards are in each section?

75. ## Math

our credit card has a balance of ​\$5800 and an annual interest rate of 18 ​%. You decide to pay off the balance over three years. If there are no further purchases charged to the​ card, a. How much must you pay each​ month? b. How much total

76. ## Math

Quadrilateral abcd has vertices A(1,1) B(3,5) C(4,7) D(2,6). In what quadrant is abcd located?

77. ## Calc

Hello everyone! Could you please help me with this one, I do not even know where to begin D: Show that of all isosceles triangles with two equal sides L and L, the one with the largest area is the one whose two equal sides are perpendicular. The only thing

78. ## English

The question is what is the subject of the poem (Incident in a rose garden) I say it's death. Is this right?

79. ## math

A circular pool 2 meters in diameter is in the middle of a 5 meter by 5 meter square of gravel.What is the area actually covered by gravel?

80. ## math

estimate the product. choose a method. 63×19

81. ## Us history

"Yellow journalism" during the late 19th century was marked by A) a decrease in readership B) over reliance on fossil evidence C) a decline of popularity of radio D) sensational headlines in questionable

You are the chief executive officer of Money Games Inc. (MGI), which has begun to market Borrow & Spend, a video game set in the world of finance. To buy ads, MGI borrows 50,000 from First Saving Bank. On MGI’s behalf, you signed a note for the loan and

83. ## physics

2. An object is 20.0 cm from a converging lens, and the image falls on a screen. When the object is moved 4.00 cm closer to the lens, the screen must be moved 2.70 cm farther away from the lens to register a sharp image. Determine the focal length of the

84. ## science

The analysis of lead (Pb) in a sample of solder was carried out using atomic absorption spectroscopy as follows. 1.013 g of solder was completely dissolved in a small volume of nitric acid and the solution made up to 1.000 L with distilled water. A 50.0

85. ## Mat104

ind the future value, using the future value formula and a calculator. (Round your answer to the nearest cent.) \$955 at 5.5% compounded quarterly for 3 years

86. ## Math

1/27 + 1/9 + 1/3 + ... + 81 I know the series is geometric. d = 1/3 Multiplying each by 1/3 to get the next value do i use the sum of geometric series a(1-r^n)/ 1-r

87. ## chemistry

Consider the reaction between 52.0 mL of liquid ethanol (C2H5OH; density = 0.789 g/mL) and 25.4 L of O2 at 27.0°C and a pressure of 1.65 atm. The products of the reaction are CO2(g) and H2O(g). Calculate the number of moles of H2O formed if the reaction

please point me in the right direction to begin. Thanks! Your small business needs to buy new office furniture for your new headquarters. You have the option of leasing the furniture, or buying the furniture. You can purchase the furniture for \$15,000 per

I am in need of some major help. Your small business needs to buy new office furniture for your new headquarters. You have the option of leasing the furniture, or buying the furniture. You can purchase the furniture for \$15,000 per year, or lease the same

In Regarding Pain of Others, what does that title suggest about the nature of the inquiry Sontag will make? In what ways does it capture the essence of Sontag's point? In what ways did it fail to do this?

91. ## Physics

Can someone explain the magnitude and direction of the acceleration of a ball moving upward, downward,and at the highest point? a=g

92. ## math

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.42 cross 10−5 watts/cm2

93. ## chemistry

how many grams of hydrogen are needed to completely react with 8 moles of nitrogen from this equation N2+H2=NH3

94. ## math

The account balance on April 1st is \$50.51. On April 15th a payment of \$15.00 is made. On April 25th a purchase of \$19.27 is made. What is the finance charge if the annual rate is 18%?

95. ## operating system

A database structure can be changed by?

96. ## maths

when the depth of liquid in a container is x cm, the volume of the liquid is x(x^2+25) cm^3. Liquid is added to the container at a constant rate of 2 cm^3/s. Find the rate of change of the depth of the liquid at the instant when x=1

97. ## social studies

determine the capitol budgeting in global business

98. ## Math

As a means of getting exercise, you choose from going for a run, riding your bike or going for a swim. Your previous behavior shows that you bike 30% of the time and swim 15% of the time. What is the probability that the next time you exercise you will go

99. ## Math.

On any given day, there is a 30% chance that Jenny will wear jeans. If she wears jeans, there is a 60% chance that she will wear a t-shirt. A) determine the probability that Jenny wears jeans and a t-shirt on any given day. B)determine the probability that