# Patricia

Popular questions and responses by Patricia
1. ## Physics

You are standing at the midpoint between two speakers, a distance D away from each. The speakers are playing the exact same sound of frequency 170 Hz in phase with each other. Describe what happens when you walk 1.5 m directly toward one of the speakers.

2. ## Physics

When a 300N force is applied to a box weighing 600N the box moves 3.0 horizontal in 20seconds

3. ## Physics

A proton (mass m = 1.67 10-27 kg) is being accelerated along a straight line at 3.6 1015 m/s2 in a machine. The proton has an initial speed of 2.4 107 m/s and travels 2.8 cm. (a) What is its speed? (b) What is the increase in its kinetic energy?

4. ## Calculus AB

Gateway Arch in St. Louis was constructed using the equation y=211.49-20.96cosh(0.03291765x) where |x|

5. ## mathematics

6. In a GP the 3rd term is equal to four times the first term and the sixth term is equal to three times the fourth term plus 32. Determine the sequence.

6. ## Math

The cost T, in hundreds of dollars, of tuition and fees at many community colleges can be approximately by T=1/4c+6,where c is the number of credits for which a student registers. Graph the equation and use the graph to estimate the cost of tuition and

7. ## Math

6.5% of what number is 325?

8. ## Algebra

Find the equation of the line, in slope-intercept form, that satisfies the given conditions. The graph is perpendicular to the graph of y=3x-1 and passes through the points whose coordinates are (4,-2). Y=______

9. ## Organic Chemistry

A student obtains a yield of 79% from his salicylic acid. How many grams of salicylic acid will the student need to produce 135 g of aspirin?

10. ## Physical Science

A hiker, of mass 80 kg walks up a mountain, 700 m above sea level, to spend the night at the top in the first overnight hut. The second day she walks to the second overnight hut, 400 m above sea level. The third day she returns to her starting point, 200 m

11. ## Algebra

There is a single track connecting Pittsburgh to Boston. The length of the track is 478 miles. Train A leaves Pittsburgh at 11:15 am traveling 87 mph. Train V leaves Boston at Noon traveling 99 mph. At what time will they crash? Where will they crash

12. ## Algebra I

Profit equals revenue minus cost. P=R-C. Rewrite the formula to solve for C.

13. ## all

Can anyone tell me how i can get a Free GED?

14. ## Physics

The intensity of a certain sound at your eardrum is 0.0030 W/m^2. Calculate the rate P at which sound energy hits your eardrum. Assume that the area of your eardrum is about 51 mm^2. I found this to be 1.53x10^-4 using I=P/A What power output P0 is

15. ## physics

Two forces whose resultant is 10N,are perpendicular to each other.if one of them makes an angle of 60 with the resultant,calculate its magnitude

16. ## statistics

The batting averages of the first three batters in the Eureka College women’s softball team lineup are .310, .301, and .277. If the first three batters are considered as the “lead-off group”, what is the batting average of the group?

17. ## Physics

The only two forces acting on a body have magnitudes F1 and F2 and directions that differ by an angle θ. If the resulting acceleration has a magnitude a, what is the mass of the body?

18. ## Physics

At a certain time a particle had a speed of 16 m/s in the positive x direction, and 2.2 s later its speed was 30 m/s in the opposite direction. What is the magnitude of the average acceleration of the particle during this 2.2 s interval?

19. ## Physics

At a certain time a particle had a speed of 16 m/s in the positive x direction, and 2.2 s later its speed was 30 m/s in the opposite direction. What is the magnitude of the average acceleration of the particle during this 2.2 s interval?

20. ## Chemistry

ia 3ag2S+2AL = 6 ag +al2s3 a double replacement or single replacement

21. ## Algebra II

Solve for n, N=(n^2-9n)/20

(-7+p)(8+p)

23. ## psychology

What is the difference between absolute continuity and differential continuity?

24. ## Psychology

Compare and Contrast these words, Structuralism, Functionalism and Behaviorism.

25. ## chemistry

We had an experiment in class: Soda Ash Titration using Double Indicator Method How would you know the composition of the sample based on the comparison volume of titrant (HCl) used? i.e. if Vmo > Vph, the sample is made up of NaHCO3 and Na2CO3. why is it

26. ## Science

The process wherein water vapor molecules come together to form droplets of water or clouds? (It is not condensation, other term please)

27. ## math

Use inductive reasoning to find the next equation in the pattern. 8 - 5 + 3 = 2 x 3 13 - 8 + 5 = 2 x 5 21 - 13 + 8 = 2 x 8

28. ## Spanish

Where can I find an online English translation of Los Fundadores: Alofonso by Lourdes Casal?

29. ## Math

Rename the number 24 ten thousand

30. ## math

fuel gauge registers one third of a tank then ten gallons is added now the gauge reads three fourths of a tank. How many more gallons is needed to fill the tank?

31. ## Chemistry

When 10.00 mL of 1.00 M HCl solution is mixed with 115 mL of 0.100 M NaOH solution in a constant-pressure calorimeter, the temperature rises from 22.45 °C to 23.25 °C. Calculate q for this reaction, assuming that the heat capacity of the calorimeter is

32. ## Social Studies

Explain the significance of the change in population from 8000-5000BCE.

33. ## math

A piece of wood is divided in 3 pieces in the ratio 3:4:2. The length of the longest piece is 72. Calculate the length of the piece of wood. Answer 162

34. ## Chemistry

Calculate the number of grams of the indicated element in the compound. a) lead in 63.8 g PbO2 b) carbon in 1.664 g (CH3)2CO

35. ## Chemistry

A reaction of hydrolysis of Ba(NO) in a net ionic form?

36. ## Technology

A boy who weighs 30 kilograms sits on one end of a seesaw. On the other end there is a girl who weighs 20 kilograms. The girl is 1.5 metres from the fulcrum. How far from the fulcrum must be the boy sit in order to balance the seesaw? How far away must the

37. ## Differential Calculus

From a faucet, a constant inflow of water is to fill a conical vessel 15 feet deep and 7.5 feet in diameter at the top. water is rising at the rate of 2 feet per minute when the water is 4 feet deep. what is the rate of inflow in ft^3/min?

38. ## chemistry

how many oxygen atoms are in 10 formula of Al2(SO4)3

39. ## Ashford University

Find the missing numbers. cost selling price \$175.00 mark on selling price markup rate 50% mark amount=

40. ## College math

Each inidividual letter of the word Tallahassee is placed on a piece of paper and all 11pieces of paper are placed in a hat, if one letter is selected at random from the hat, determine the probability that the letter T or F is selected.

41. ## Math

Two equilateral triangles are sitting side-by-side. The length of one side of Triangle A is 5 ft. The sides of Triangle B are 3 times as long as those of Triangle A. How long is the length of one side of Triangle B?

42. ## chemistry

What is the expected freezing point of a 3.50 m (m standing for molality)aqueous solution of BaCl2(Kfp= 1.86 degrees Celsius/m)? What is the expected boiling point(Kbp= 0.512 degrees Celsius/m)? which is effected to the greater extent, the boiling point or

43. ## Geometry

Quadrilateral JKLN is a rhombus with diagonals JL and KM. Find m

44. ## healthcare fiancare

HINT: 6% X \$1,000,000 – {20% X (\$1,000,000 – (6% X \$1,000,000))} = 6% X \$1,000,000 – {20% X (\$1,000,000 - \$60,000))}= 6% X \$1,000,000 - {20% X \$940,000}= 6% X \$1,000,000 - \$188,000 = \$60,000 - \$ 188,000= -\$128,000 A) The interst due on a 10% loan of

45. ## Finance

Your firm is considering the following three alternative bank loans for \$1,000,000: A) 10 percent loan paid at year end with no compensating balance. B) 9 % laon paid at year end with a 20% compesating balance. C)6% loan that is discounted with a 20%

46. ## Physical Science

what forward force must the ground apply to the foot of a 60.0 kg person to result in an acceleration of 1.00m/s^2

47. ## calculus

ind an equation of the tangent line to the curve at the given point. y = sin 6x + sin2 6x, (0, 0)

48. ## economics

use the expenditure equation for gdp=c+i+g+xn find the values for each sector for the years 1929 and 1933. determine the precentage change for the two years.

49. ## statistics

find the z-score corresponding to a score of X=60 for the each of the following distributions. u=50 and 0=10 u=50 and 0=5

50. ## fractions and decimals

please provide help with this 2 2/7 minus 1.75 please show workings thanks

51. ## cultural diversity

There is much debate about the effects of interracial adoption of children, especially in terms of effect on identity. In what ways might interracial adoption be beneficial or harmful?

52. ## Algebra I

I need some serious help. c = 0.25(t-300) + 69.95 where t>300. Will someone help me please?

53. ## Algebra I

Budget is 118,250.00. Write an algebraic expression that is 25% of budget for business space and utilities.

54. ## Math

Draw number lines for fractions 6/8 2/4

55. ## statistics

It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and specific

56. ## Science

At zero degrees Celcius, can evaporation happened?

5!4!_7!2!=

58. ## Math

The amount of money Tom has is 75% of Sally's amount of money after Sally spent \$120 and Tom saved all of his money Tom's amount is 50% more than Sally's. how much money did each of them have at the beginning?

59. ## math

A ten foot long ladder leans against a wall, with the top of the ladder being eight feet above the ground. What is the approximate angle that the ladder makes with the ground? A) 37° B) 47° C) 53° D) 60°

60. ## Vocab

What's the root or base word of rebellious, belligerent, doctrine, document, levity, levitate, initiative, itinerary, impulsive, and compel??? Please help thanks!!!

61. ## math

A piece of wood is divided in 3 pieces in the ratio 3:4:2. The length of the longest piece is 72. Calculate the length of the piece of wood.

62. ## Health

It's unprofessional to discuss your client with anyone, even the doctor or nurse. True or False? I think that this answer is true. I'm I correct? It's easier to spot unprofessional behaviors than it is to see professional behaviors.I think that this answer

63. ## economics

Why was Nicaragua important to America’s economy?

64. ## Science

A sky driver jumps out of a plane and as he fall he has acceleration of 9.8 m/s squared. How many seconds will it take to reach a speed of 28.5 m/s?

65. ## mathematics

The population of a town decreases by 4% annually from the number at the end of the previous year. Calculate after how many years it will take the population to reach 21578 if the population had 38756 inhabitants during previous year.

66. ## Mathematics

Find the inverse of g(x)=3^x

67. ## Mathematics

find the equation of the parabola passing through the origin with the turning point (2;-8).help mi.

68. ## Msth

349 plus 252 round each number the greatest place value

69. ## Math

An equilateral triangle the real formula use in calculating it

70. ## Mathematics

John walked from Point A to the flagpole at 61m .The pole is 28m.What is the distance from Point A to the top of the flagpole?

71. ## Maths Year 10 Equations

A shopkeeper bought x pens for \$21. a) write down an expression, in terms of x, for the cost, in cents, of each pen b) the shopkeeper gave 2 pens to his sons and sold each of the remaining pens at 8 cents more than he paid for it. Write down an expression,

72. ## maths

A bell rings every 10 minutes and a buzzer sounds every 15 minutes they were both heard at 2nd clock When would they both be heard next?

73. ## Geometry

A building casts a shadow that is 250 ft long. The angle of elevation from the tip of the shadow to the top of the building is 43°. Find the height of the building to the nearest foot.

74. ## mathematics

evng .my teacher gave me this as a homework but i dnt undertand. 1.In a GP the 3rd term is equal to four times the first term and the sixth term is equal to three times the fourth term plus 32. Determine the sequence.

75. ## Math

A collection of nickels dimes and quarters consist of 22 coins with the total value of 1.75. If the number of nickels is three times the number of dimes, how many of each coin are contained in the collection

76. ## Life Orientation

Identify four human rights violation or discriminations and explain introductory paragraph and why you choose the specific human rights violation or discrimination

77. ## Algebra

Susan charges twice as much money on credit card with a 7.5% annual interest rate as she does on a card with 6% interest. If her total interest after 1 year is \$840, how much did she charge on each card?

78. ## Intermediate algebra

Jarrett was selling tickets at local carnical. The tickets cost 2.00 for adults and 1.50 for children. How many of each kind of ticket did he sell if he sold a total of 300 tickets for \$525?

79. ## Math

I am trying to help my grandson with his math homework. When I went to school we never learned this and I am at a loss. The question is: Create an equivalent expression at includes at least one parenthesis so that the value of the expression is 144. The

80. ## math

Eric is twice as old as Jared. the sum of their ages 10 years ago was 19years what is Jared age now.Give me the answer

81. ## Maths

The first Arthmatic sequence is 23 and the 12th term is 72. Determine the first three terms in the sequence and the nth term and also Determine the Value of 10th term

82. ## Math

Can you explain how to do this question? "Three clocks ring once at the same time. After that, the first clock rings after every 90 minutes, the second after every 30 minutes, and third after every 60 minutes. After how many minutes will they again ring

83. ## Math

For each function, i) determine the corresponding reciprocal function, y =1/f(x) ii) state the non-permissible values of x and the equation(s) of the vertical asymptote(s) of the reciprocal function iii) determine the x-intercepts and the y-intercept of

84. ## Math

Two hoses together fill a pool in 2 h. If only hose A is used, the pool fills in 3 h. How long would it take to fill the pool if only hose B were used?

The fifth-grade class at John Adams Middle School earned \$428.81 at their school carnival. The money is being divided between 23 students to help pay for their class trip. How much money will each student receive? Round to the nearest hundredth. is it

86. ## Math-Investment Word problem

Vic invested part of the 40,000 bonus that he received at 8%. The remainder was invested at 10%. If after 2 years, the earning from 8% investment is 1.2 times his earnings from 10% investment, how much was invested at each rate?

87. ## Math

Two numbers are of the ratio 3:5. If their difference is 18, find the numbers.

88. ## precalc

Is triangle ABC scalene, isosceles, or equilateral if A = (4, 6) B = (-4, 2) and C = (0, 2)? Why?

89. ## computer science

A Bagels store charges 75 cents per bagel for orders of less than a half-dozen bagels and 60 cents per bagel for orders of a half-dozen or more. Assume that the number of bagels ordered has been stored in a variable named NumBagels. Write VB code that

Can you give me some examples of writing styles ???? I know one of them is expository composition

91. ## Algebra

Write the set using set-builder notation: {natural numbers greater than 11

for the word algae what is its prefix, suffix, and root? is it: prefix-none suffix- none root- algae?

93. ## science

we brought a block of un sliced of cheese on the same day, and isn't moldy at all

My Question: When Im doing multiplication, do i check it by using 2? For example: 84 times 37 = 3,078 How do i check my answer using estimation? - Answer: Im sorry, but i really need help on this question, I'm kinda stuck

95. ## Calculus AB

Find the limit as x->infinity of ((3x+2)/(3x+4))^(3x+1)

97. ## Calculus

Find the limit of cosx/(1-sinx) as x->(pi/2) from + side

98. ## Help

Compound subjects- those that joined with " and"- should take singular verbs. The CD player and moon-roof is included in the car's price. Is it true?

99. ## college math

each individual letter of the word Tallahassee is placed on a piece of paper and all 11 pieces of paper are placed in a hat. If one letter is selected at random from the hat, determine the probability that the letter T or E is selected.