# Daisy

Popular questions and responses by Daisy
1. ## Chemistry

Consider the following cell: Pt|H2(g, 0.460 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.00 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion

2. ## Ed. Tech

After creating a column heading and/or typing text within a column, what must you do to move text to the next column? A. Add a column break B. Select the next column and start typing C. Highlight the next column D. Change the page orientation Is the answer

3. ## science

mohan travels at 20m/s from home to market and returns at 25m/s find his average velocity for the entire journey

4. ## Chemistry

What is the specific gravity of alcohol having a density of .79 g/mL?

5. ## pre-calculus

which of the following is a solution to 3tan^3x=tanx? A.) 60 degrees B.) 120 degrees c.)150 degrees D.)240 degrees E.)300 degrees

6. ## Pre-calc

which expression completes the identity sin ucosv=?

7. ## pre-calculus

What is the exact value of sin 225

8. ## CHEM

A student used 10 mL water instead of 30 mL for extraction of salt from mixture. How may this change the percentage of NaCl extracted? My book says: % NaCl= (grams of NaCl / total grams of mixture) x 100 What I don't get is if it does change the

9. ## pre-calculus

find the exact value of sin 112.5 in fraction form

10. ## Statistics

Of the 40 students in a gym class, 13 played volleyball, 12 ran track (4 of whom did a push up), and the remainder were absent. A.) What proportion of the class ran track? B.) What percentage played volleyball? C.) What percentage of the runners did a push

11. ## Maths, geography, life sciences and physical scien

Identify three courses or study fields you are interested in following after grade 12.provide two reasons why you find this a suitable course for each choice

12. ## Science

Calculate the number of atoms of chlorine present in 7.45g of KCL

13. ## Math

1.Quadrilateral GHJK has vertices at the following coordinates: G(-2,-6), H(-8,-8), J(-6,-2), and K(0,0), what would be the new vertices if the quadrilateral was dilated by the scale factor of 1.5? G':_________ H':_________ J':_________ K':_________ Could

14. ## Physics

A man jogs at a speed of 1.7 m/s. His dog waits 2.5 s and then takes oﬀ running at a speed of 4.1 m/s to catch the man. How far will they have each traveled when the dog catches up with the man? help me set up the equations please!

15. ## Pre-Calculus

Find the period and, where appropriate, the amplitude of the following function: y=2sin(x)

16. ## Pre-Cal

The diagonal and the longer side of a rectangle make an angle of 43.2. If the longer side is 12.6cm, find the length of the shorter side.

17. ## Chemistry

One type of sunburn occurs on exposure to UV light wavelength in the vicinity of 325nm. How many photons are in 1.00 mJ burst of this radiation?

18. ## psychology

I need some help.... In my study I am doing a comparison of the dual effects of media and society on abnormal eating behaviour in men and women. My participants will be asked to complete some questionnaires (Sociocultural Attitudes Towards Appearance

19. ## History

Which answer best explains how Ralph Waldo Emerson's Concord Hymn is an example of Transcendentalism? It emphasizes war, violence, and victory. It emphasizes nature, feelings, and memory. It emphasizes the importance of social reform.*** It emphasizes

20. ## Goverment

1. Read each situation. Write whether a bill of attainder, an ex post facto law, or a writ of habeas corpus woul prevent the situation from happening. A. ______________ shortly after video cameras were invented, a man evident aped a rock concrete. Years

21. ## English

I have to find the adverb in each sentence. Then I have to identify the verb it modifies. 1.)Native Americans originally developed lacrosse. Adverb- originally. Verb-developed. 2.)It was first played by the Iroquois. Adverb- first. Verb- played. 3.)It was

22. ## math

Estimate the value of this expression by rounding each number to the nearest unit. (1.63)(9.95)(2.46) Plesse help..

23. ## MATH

I have a test in about an hour and a half and am having some difficulty on the review the teacher gave us to help us prepare. Any help would be great! *Convert the polar equation to a rectangular equation. rsin(theta - Pi/4) =5 -The answer is given as y=

24. ## Physics!!!!

A 78 kg trampoline artist jumps vertically upward from the top of a platform with a speed of 4.4m/s. v=7.7m/s If the trampoline behaves like a spring of spring constant 5.6×104 N/m , how far does he depress it?

25. ## Early childhood literacy

"I eated it all up!"said Jimmy. Mrs. Newman, his teacher, should say. A. "Jimmy,say that again, but instead of saying "I eated it all up!"I ate it all up!' B. "What did you eat up?"

26. ## Home school community

what is three issues related to role confusion that a teacher may feel communicate?

27. ## chem

what substance is oxidized in following reaction 4 HCl+MnO2 and Cl2+2H2O+MnCl2

28. ## English

When submitting a final draft of a handwritten paper, which of the following choices is important to remember? A. The margins should be exactly even on left and right sides B. Write neatly and use black or blue ink C. Use a plain font, like Times New Roman

29. ## Calculus

Find the derivative. y = ln(x^4 + 6x + 7) y '(x) =

30. ## physics

a car traveling at 7.0 m/s accelerates uniformly at 2.5 m/s TO REACH A SPEED OF 12.0 M/S HOW LONG DOES IT TAKE FOR THIS ACCELERATION TO OCCUR?

31. ## Math

Admission to the country fair cost \$9per person the ride tickets cost \$2.50 each. Write an equation representing total cost

32. ## Physics

A 2.00 Ã¢Å“â€¢ 106 Hz radio signal is sent a distance of 7.30 Ã¢Å“â€¢ 1010 meters from Earth to a spaceship orbiting Mars. Approximately how much time does it take the radio signal to travel from Earth to the spaceship?

33. ## Calculus

I would like to know if my answers are correct: Disclaimer: We are allowed to keep our answers in formula form 1. Use the washer method to find the volume of the solid that is generated by rotating the plane region bounded by y=x^2 and y = 2-x^2 about the

34. ## math

A factory kept increasing it's output by the same percentage every year .find the percentage if it is known that the output is doubled in the last two years.

35. ## Graphing Linear Equations and Inequalities

Fill in the t-table below for the equation. Then graph the line on the grid by selecting two of the points from your table. 3x+4y=-16 x y −4 0 4

36. ## Math

Round 1.98 to the nearest tenth

37. ## Maths

How would you solve for x with an equation like this? 0.2x^3 - 2.84x^2 + 8.532x - 2.4 = 0

38. ## Science

Explain the process of filtering blood

39. ## P.E

Happiness, sadness, and fear are examples of blank emotions. A. Learned B. Primary C. Secondary D. Innate Is the answer A?

40. ## science

What is science is the question and btw Im in grade 8 so could u plz give an answer according to that like explain what is science first and then wht r its branches plzzz!!!

41. ## AP Physics

Momentum One of those Civil War cannons is fired. The Cannon has a mass of 873kg It fires a 35.0kg cannon ball at a velocity of 145 m/s at an elevation angle of 35.0 degrees. The length of the barrel is 2.10m. (a) What is the recoil velocity of the

42. ## AP Physics B

A penny of mass 3.1g rests on a small 28.2g block supported by a spinning disk of radius 12cm. The coefficients of friction between the block and disk are .73 (static) and .64 (kinetic) while those for the penny and black are .6 (static) and .45 (kinetic).

43. ## AP Physics B

An air puck of mass 0.102 kg is tied to a string and allowed to revolve in a circle of radius 1.06 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 0.78 kg is tied to it. The

44. ## chem

How many milliliters of 4.80 M HCl are required to react with 110 mL of 1.48 M Al(OH)3? Al(OH)3(s) + 3HCl(aq)to AlCl3(aq) + 3H2O(aq)

45. ## AP Physics B

A 2189 kg car moving east at 9.73 m/s collides with a 3285 kg car moving north. The cars stick together and move as a unit after the collision, at an angle of 35.7◦ north of east and at a speed of 4.79 m/s. What was the speed of the 3285 kg car before

46. ## TRIG.

From a point 50 feet in front of a church, the angles of elevation to the base of the steeple and the top of the steeple are 35° and 47° 20', respectively. Find the height of the steeple. I missed class this day and have no idea how to go about this

47. ## Physics 6A

A 330- piano slides 3.8 down a 23 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. a.Determine the work done by the force of gravity. b.Determine the work done by the man on the piano.

48. ## math mearsurement

What is the mass of a glass of water including the glass?

49. ## Math

The ratio of North American Butterflies to South American butterflies at a butterfly park is 7:5. The ratio of South American butterflies to European butterflies is 5:3. There are 105 North American butterflies at the butterfly park. How many South

50. ## Chemistry

Using the following balanced equation, how many moles of NaCl can be produced from 0.314 moles of Na3PO4? 3 FeCl2 + 2 Na3PO4 → 6 NaCl + Fe3(PO4)2 _____ mole NaCl produced

51. ## Math

Juan loses 30% of his weekly wage due to stoppage. If he takes home \$122.50 how much does he earn a week

52. ## Algebra

4 9 3 Y • y • y

53. ## Math

Hi! im confused in this question.A polar bear weighs approximately 453 grams at birth.the average weight of an adult male polar bear is 635 kilograms. What is the weight of an adult male polar bear in grams?

54. ## Math

Luang enlarged a photograph to 1 3/4 times its original size. The original photograph was 3 1/2wide. What was the width of the enlarged photograph? A.2 5/8 B.3 3/8 C.5 1/4 D.6 1/8

55. ## maths

when acontainer is 1/4 filled with water it weighs 2.5kg. when it is completely filled with waterr it weighs 3.7kg.What is the weight of the empty container?

56. ## Math

Find the value of x for which l is parallel to m. 3. 19x;18x;27x 4. 5x;2x;(5x + 40)

57. ## Physics

A horse with the mass of 1131 kg pull on the rope attached to a pulley to lift a 58 kg stone up a wall. If the wall is 14.1 m tall how much work will the horse due to lift the stone up the wall in 15.7 seconds?

58. ## Physics

I am taking an online course in physics and I need to write a short paper on Analog and digital information. Below are the questions that guide me through the paper. I am having a hard time finding a website that can explain this to me. There is no text

59. ## Physics

I am taking an online course in physics and I need to write a short paper on Analog and digital information. Below are the questions that guide me through the paper. I am having a hard time finding a website that can explain this to me. There is no text

60. ## algebra 1

the sum of a two digits of a two-digit number is 10. when the digits are reversed, the new number is 36 more than the original number. find the original number.

61. ## algebra 1

betty leaves her purse in a store at the mall and average 36mi/h on her way home to Glenville, 140 miles away. Honesty harry discovers her purse and starts after her one hour later. if he averages 48mi/h how long will it take him to catch betty? will he

62. ## algebra 1

in 5 years chase will be three times as old as jared. the sum of their ages is 42. how old are chase and jared?

63. ## Math

Solve the Go.a ball was dropped from a height 80m above a concrete floor. It rebounded to the height 1\2 of its previous height at each rebound. After how many bounces is the ball 2.5 high

64. ## Physics

The Question is: An objective lens of a telescope has a 1.90 m focal length. When viewed through this telescope, the moon appears 5.25 times larger than normal. How far apart are the objective lens and the eyepiece when this instrument is focused on the

65. ## Physics

Two ultrasonic sound waves combine and form a beat frequency that is in the range of human hearing for a healthy young person. The frequency of one of the ultrasonic waves is 84 kHz. (The range of hearing for a healthy young person is 20 Hz to 20 kHz.) (a)

66. ## buisness

If you find a job posting for a community college that clearly states that the job will close on 08/15/2017, what does this mean? a. Someone will be hired by that date. b. The employer is only hiring until that date. c. After that date, the employer will

67. ## Math

Let A denote the portion of the curve y = sqrt(x) that is between the lines x = 1 and x = 4. 1) Set up, don't evaluate, 2 integrals, one in the variable x and one in the variable y, for the length of A. My Work: for x: integral[4,1] sqrt(1+(dy/dx)^2) dy/dx

68. ## Calculus

Let A denote the portion of the curve y = sqrt(x) that is between the lines x = 1 and x = 4. 1) Set up, don't evaluate, 2 integrals, one in the variable x and one in the variable y, for the length of A. My Work: for x: âˆ«[4,1] sqrt(1+(dy/dx)^2) dy/dx =

69. ## Calculus

Can you please check to see if these answers are correct? I have provided my work as well! That you! This is much appreciated!! 1. What is the volume of the solid that is generated by revolving the region bounded by the curves x = 3y^2-2 and x = y^2 and y

70. ## Calculus

Hello, I would like to make sure the answers to these questions are correct. 1. Using the shell method, what is the volume of a solid that is generated by rotating the region by y = x^2 and x = y^2 about the x axis. My Work: r = y h = sqrt(y) - y^2 2pi

71. ## Finite math

Let S={1,2,3} be a sample space How many subsets of S contain the number 3? How many subsets of S contain either the number 2 or 3?

72. ## science

Determine the magnitude and direction of the horizontal resultant force on minibus A=1800N and B=800

73. ## Physics

A box of mass m = 59.0 kg (initially at rest) is pushed a distance d = 84.0 m across a rough warehouse floor by an applied force of FA = 204 N directed at an angle of 30.0° below the horizontal. The coefficient of kinetic friction between the floor and

74. ## Math

A wheel has a radius of 5ft. How many revolutions would it take for the wheel to roll 62.3 ft.? Round your answer to the nearest tenth.

75. ## Physics

Block B in the figure weighs 739 N. The coefficient of static friction between block and table is 0.34; angle θ is 26°; assume that the cord between B and the knot is horizontal. Find the maximum weight of block A for which the system will be stationary.

76. ## Chemistry

The air was in a cylinder equipped with the piston absorbs 565 duels of heat and expands from an initial volume of .10 l to a final volume of .85 L against an external pressure of 1.0 ATM what is the change an internal energy of the air within the cylinder

77. ## Maths

How would you solve for x with an equation like this? 0.2x^3 - 2.84x^2 + 8.532x - 2.4 = 0 I thought you would use the quadratic formula somehow, but I'm not sure

78. ## Maths

I = Alog10(t) + B I equals 8 when t is 3 I equals 50 when t is 8 t can't go past 200 A and B are constants Find A and B when I reaches 100

79. ## pre-calculus

which expression is equivalent to (sinx+1)(sinx-1)? A.) COS^2X B.) -COS^2X C.) COS^2X+1 D.) COS^2X-1 E.) -COS^2X+1

80. ## pre-calculus

Which of the following is NOT a solution to cos^2x=3sin^2x? A.) 30 degrees B.) 60 degrees C.) 150 degrees D.)210 degrees E.)330 degrees

81. ## Math

3.455 round off to the nearest tenths

82. ## Math

1. Mailey mother brought her a pet hamster. She is keeping Montey, the hamster, in a box with a length of 8.3 in.,a width of 6in.,and a height of 5,25in. Mailey plans on covering Montey's box with contact paper. How many square inches of contact paper is

83. ## Math

A roll of paper towels is 10 inches high and 2.5 inches in diameter. How many full squares inches of paper towel can fit on the roll in 15 rotation? * all I need is a formula of this question. Do I use lateral surface area formula or total surface area

84. ## Science

Q1. Why is the shape of the nerves important in the nervous system? Q2. Which structure is more complex, a tissue or an organ? How do you know?

85. ## Science

Which statement is true of an organ system? A. It supports all part of the organism. B. it is not necessary for the survival of the organism. C. One organ system can take over for another organ system. D. It has no connection with other organ system in the

86. ## algebra

Deposit is \$15 and coat of hour is \$4.20 so write an equation to represent the total cost y renting a tube for any number of hours x.

87. ## english

In "In Just-," the poet uses the words "and bettyandisabel come dancing / from hop-scotch and jump-rope and / it's / spring" to create a mood of (Points : 5) boring routine. happy activity. peaceful days. hopeless dejection.

88. ## Math

George is making a permanent for his favorite baseball team. He wants the short edge to be 14 inches and the height in the middle of the right triangle to be 24 inches. What is the length of diagonal side AB?

89. ## Math

Q1.A tree was chopped by the Samuels family for the holidays. How tall was the tree originally if the piece they chopped down was 7feet tall, and fell 4 feet from the stump? Q2. Mr pratt's rake is leaning up against a wall. If the top of the rake hits the

90. ## Math

Cannon wants to make a garden with a border of his yard. He has lumber in several different lengths. Which three lengths could be used to make a right triangle to fit into the corner of his yard? A. 4ft.,6ft.,10ft. B.7ft.,12ft.,15ft. C.5ft.,12ft.,13.

91. ## Math

how could you change one of the squares so that a right angle would be created

92. ## Social studies

I need Sam Houston and Mirabeau Lamar -background -problems each of them faced -Native American -military spending -annexation I want them to be separate like contrast

93. ## Science

In the experiment water clock : what changes (independent variable) , how does it responds to the changes made(dependent variable), and what is being controlled (controlled variable). Pleas I really need this by today. And also my question for science fair

94. ## Science/engineering

What part does gravity play in the function of the water clock? Explain.

95. ## Engineer

What part does gravity play in the function of the water clock? .I kind of don't understand this question. All I need is a better understanding

96. ## Engineering

What part does gravity play in the function of the water clock? .I kind of don't understand this question. All I need is a better understanding

97. ## Ceramics (help!!!)

When creating clay forms what must be done with inside?? When applying glaze to a ceramics piece, it is important to wax the foot, or the bottom of the piece. What might happen if it isn't waxed??

98. ## Engineer/robotic

How to tell by an example which is a robot and which is a nobot? My example is: security lights that turns on whenever someone walks by= nobots I need to know how do you know by an example which is which

99. ## Survey of Mathematics

Suppose a car rental agency gives the following choices: Option A: \$30 per day plus 40 cents per mile Option B: flat \$50 per day (unlimited miles) At what mileage are both rates the same if you rent the car for 3 days?
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