# cody

Popular questions and responses by cody
1. ## algebra 2 A

Unit 5: Quadratic functions and equations. I need help with the Firework display portfolio?? Fireworks Display Portfolio ALGEBRA 2 A: QUADRATIC FUNCTIONS AND EQUATIONS Directions: You are part of a fireworks crew assembling a local fireworks display. There

2. ## math

Let theta be an angle in quadrant IV such that sin(theta)=-(2)/(5). Find the exact values of sec(theta) and tan(theta).

3. ## Language Arts

Full fathom five thy father lies; Of his bones are coral made; Those are pearls that were his eyes; Nothing of him that doth fade But doth suffer a sea change Into something rich and strange. Sea nymphs hourly ring his knell; Ding-dong. Hark! Now I hear

4. ## biology

Bromothymol blue (BTB) is a chemical that turns yellow in the presence of carbon dioxide. In the presence of oxygen, BTB stays blue. In his science class, Sanjay used BTB to test for the presence of those two gases in three situations. *Sanjay's Procedure*

5. ## chemistry

A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium: A) approximately equal reactants and products B) some reactants and products with reactants slightly favored C) some reactants and products with

6. ## geometry

The volume of a sphere is 2,098pim^3 what is the surface area to the nearest tenth

7. ## physics

A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s2 for 14.0s. It runs at a constant speed for 70.0 s and then slows down at a rate of -3.50 m/s2 until it stops at the next station. a) Sketch a position vs. time graph for

8. ## physics

Starting from rest at the top, a child slides down the water slide at a swimming pool and enters the water at a final speed of 4.00 m/s. At what final speed would the child enter the water if the water slide were twice as high? Ignore friction and

9. ## calculus

cos2x=secx find x

10. ## chemistry

what type of reaction is 2KCLO3+heat-2KCL+3O2

11. ## Chemistry

Hey, for chemistry class we are given days in the lab to conduct an experiment, then answer a number of questions that correlate with that experiment and how we can make use of it. This week we looked at the Molar Fusion of Ice and there are some questions

12. ## chemistry

If you need to prepare 250.0 mL of a pH 5.00 buffer tha t has a total buffer concentration of acetic acid + sodium acetate of 0.050 M, how many moles of each will you need to prepare the solution? Given solutions of acetic acid and sodium acetate with

13. ## China Grove Middle

Gavin goes to the market and buys one rectangle shaped board. The length is 16cm & width is 10cm. If he wants to add a 2cm border, what is the area.

14. ## Consumer Math

The amount left when you subtract last month's payment from last month's balance on a credit card statement is the (Points : 2) APR. unpaid balance. new balance. minimum payment.

15. ## Math

Two numbers total 43 and have a difference of 21. Find the two numbers

16. ## Math

Find the odds against correctly guessing the answer to a multiple choice question with 6 possible answers.

17. ## Chemistry

The pH of a solution is 1. Which of the following statements are also true for the solution? (Select all that apply.) It will change the color of red litmus to blue. The concentration of hydronium ion is equal to the concentration of hydroxide ion. The

18. ## history

Which accurately describes why people traveled by particular western trails? The California Trail was used to communicate with Mexico, while the Santa Fe Trail was used for migration. The Oregon Trail was used for migration purposes, while the Santa Fe

19. ## Statistics

the length of times it takes college students to find a parking spot im the library parking lot follows a normal distribution with a mean of 5.5 minutes and a standard deviation of 1 minute. find the cut off time which 75.8% of the college students exceed

20. ## geometry

find the geometric mean of the pair of numbers 99 and 11 kristen lives directly east of the park the football field is directly south of the park the library sits on the line between kristens home and the football field at the exact point where an altitude

21. ## physics

A bowling ball (mass = 7.2 kg, radius = 0.12 m) and a billiard ball (mass = 0.31 kg, radius = 0.028 m) may each be treated as uniform spheres. What is the magnitude of the maximum gravitational force that each can exert on the other?

22. ## chemistry

A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium:

23. ## geometry

Use formulas to find the lateral area and surface area of the given prism round to nearest whole number Believe height 4m and base on side 7m, front 29m, other end 7.28m possible answers; 472m^2;486m^2 443m62;486m^2 472m62;479m^2 443m62;500m^2 Can someone

24. ## Pre-Calc

The Sweet Drip Beverage C. sells cans of soda pop in machines. It finds that sales average 26000 cans per month when the cans sell for 50cents each. For each nickel increase in the price, the sales per month drop by 1000 cans. Determine a function R(x)

25. ## Chemistry

For a tablet containing 500mg vitamin C, Calculate how many mL of 0.095M NaOH are required for titration ( molar mass of ascorbic acid- vitamin c is 1.76.12g/mol) I am not sure of the conversions to use, how to get started with the question.

26. ## Geometry H

If BD is the angle bisector of

27. ## Pysics

A small motor runs a lift that raises aload of bricks weighing 836N to a height of 10.7m in 23.2s. assuming that the bricks are lifted with constant speed, what is the minimum power the motor must produce?

28. ## geometry

The length of the hypotenuse of a 30, 60, 90 triangle is 7 how do you find perimeter?

29. ## World History

The boundary line between North and South Korea was set at: a. the 17th parallel. b. the Yalu River. c. the 38th parallel. d. the city of Seoul.

30. ## math

What property of addition is shown in the following number sentence? why?

31. ## Math

For a school project, sue interviewed a total of 100 persons who were either lawyers or salesmen. She asked them if they were happy or unhappy with their occupation. Of the 62 lawyers interviewed, 15 were unhappy, however, only 7 of the salesmen were

32. ## History

Comparing French, Dutch, and English colonies, which ones attracted the most settlers, and which the fewest? In what colonies were women scarce? What impact did these differences in emigration have on the various colonies development?

33. ## pre-algebra

Convert 21/40 to a percent.

34. ## Algebra

Simplify: (6y + 10z) - (13y - 5z + 4)

35. ## physics

Question Part Points Submissions Used A quarterback claims that he can throw the football a horizontal distance of 196.6 m (215 yd). Furthermore, he claims that he can do this by launching the ball at the relatively low angle of 30° above the horizontal.

36. ## Math

Find the number of combinations when 9 objects are taken 4 at a time.

37. ## chemistry

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 13.2 gal tank (1US gal=3.78L)?

38. ## Geometry

The sides of a quadrilateral are 3, 4, 5, and 6. Find the length of the shortest side of a similar quadrilateral whose area is 9 times as great. A. 9 B. 13.5 C. 27

39. ## math

What property of addition is shown by 5+2=2+5 Associative Distributive commutative or Identity

40. ## physics

A ball is thrown upward with an initial velocity of 14 m/s. At what time does the ball reach the high point in its flight? (Use the approximate value of g = 10 m/s2 and remember that the velocity is equal to zero at the high point.)

41. ## chemistry

A reaction with an equilibrium constant Kc = 1.5 x 1021 would consist of which of the following at equilibrium:

42. ## Physics

One 3.30 kg paint bucket is hanging by a massless cord from another 3.30 kg paint bucket, also hanging by a massless cord, as shown in figure below. If the two buckets are pulled upward with an acceleration of 1.57 m/s by the upper cord, calculate the

43. ## Chemistry

How many drops (1 drop=0.05mL) of 0.20M KI must we add to 100.0 mL of 0.010M Pb(NO3)2 to get a precipitate of lead iodide to start. Ksp of PbI2=7.1e-9. Answer=9 drops. Please show steps.

44. ## SI Chemistry

hydrogen chloride gas reacts with oxygen gas to yield chlorine gas and water vapor in an equilibrium reaction. an experiment was performed in a closed vessel starting with a mixture of 0.50 M HCl and 0.050 M O2. the amount of chlorine was monitored until

45. ## physics

A person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of 8.1 m/s relative to the ground. When the train moves at a constant velocity, the raindrops make an angle of θ = 25° when they move past

46. ## precalculus

the variable j varies jointly as the square of h and as the cube root of a, and it varies inversely as s. What happens to j when h is doubled, a is multiplied by 8, and s is multiplied by 4?

47. ## physic

500 J of work are done in 4 seconds to lift a 40 kg box to the top of a high shelf. How much power was required to complete the lift

48. ## English - The Scarlet Letter

I need some help. I don't really know the answer to one of our questions, so I'll ask here. This comes from Chapters 1-4. Please help if you can!Thanks! 6. How does the Reverend Mr. Wilson interpret the baby's response to Dimmesdale's entreaty? What

49. ## math

A pizza place has 5 different toppings. How many different pizzas can be made using a combination of 3 toppings per pizza

50. ## physics

A small 0.533-kg object moves on a frictionless horizontal table in a circular path of radius 1.10 m. The angular speed is 6.41 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of the

51. ## ELA (My last question of the day)

I think it is b or d. What is the BEST description and explanation for the underlined word in this sentence? The barking dog woke the entire neighborhood with his incessant noise. A) Barking is an adjective form being used to modify the dog. B) Barking is

52. ## Physics

A 1500 kg car moves along a horizontal road at speed v0 = 21.9 m/s. The road is wet, so the static friction coeﬃcient between the tires and the road is only µs = 0.302 and the kinetic friction coeﬃcient is even lower, µk = 0.2114. The acceleration of

53. ## geometry

abcd is a parallelogram. if ab is equal to 2x+1 and cd is equal to x +13,findx

54. ## Math

If nine fair coins are tossed, using the complement formula, what is the probability of obtaining at least one head and at least one tail?

55. ## science

what volume occupy 90g/

56. ## Math

If we toss four fair coins, what is the probability that we get exactly four tails?

57. ## algebra

A man standing on the deck of a ship is flying a kite. The ship deck is 30 feet above the water. The kite string is 75 feet long, and the kite flying at an angle of elevation of 60 degrees. How high above the water is the kite?

58. ## Washington state history

Please help How did Inflation in the 1970s contribute to washington's. boom-and-bust cycles? A.It decreased unemployment in key industries. B.it drove up the cost of consumer goods. C.it increased wages for workers. D.it spurred production in agriculture.

59. ## Chemistry

How many kilojoules of energy are needed to convert 104 g of ice at -14.6 to water at 25.8°C? (The specific heat of ice at -14.6 is 2.01 J/g°C.)

60. ## chemistry

PLEASE SHOW PROCEDURE! You wish to prepare an aqueous solution that has a freezing point of -0.100 degrees Celsius. How many milliliters of 12.0 M HCl would you use to prepare 250.0 mL of such a solution? [Hint: Note that in a dilute aqueous solution,

61. ## physics

A runner covers one lap of a circular track 40.0 m in diameter in 62.5 s. Suppose initially the runner starts by going in the north direction. Assume the speed is constant for the first half-lap and then constant for the 2nd half-lap. Suppose instead the

62. ## pre-algebra

The salaries ( in thousnds of dollars) of the managers of five local hardware stores are 50, 70, 60, 80, and 90. What is the difference between the highest paid and lowest paid managers?

63. ## Math

How many complex zeros does the function y = x5 + 3x3 - 4 have? A) 4 B) 5 C) 6 D) There is not enough information to know. I think its D.

64. ## physics

Can you find the pressure exerted on the floor by the heel if it has an are of 1.50 cm^2 and the woman's mass is 55kg?

65. ## chemistry

At a certain temperature, the Equilibrium constant, Kc, for this reaction is 53.3. At this temperature, 0.500 mol of H2 and 0.500 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at Equilibrium? equation: H2 + I2 =

66. ## Math

A coin is tossed, and then a die is rolled. List all equally likely outcomes in the sample space for this indicated experiment.

67. ## Physics

A pendulum consists of a 2.6 kg stone swinging on a 4.5 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. (a) What is the speed when the string is at 53 ¢ª to the vertical? (b) What is the greatest angle with

68. ## Physics

A cannon tilted up at a 34.0^\circ angle fires a cannon ball at 69.0 m/s from atop a 23.0 m-high fortress wall. What is the ball's impact speed on the ground below?

69. ## algbrea

david gained 17 pounds over the winter. he went on a diet and lost 27 pounds. then he regained 5 pounds and weighed 177 pounds. how much did he weigh orignally?

70. ## World History

Assuming power as Shan-Raza Shah Pahlavi-Persia ( True or False )

71. ## English

What is the literal, dictionary meaning of a word ???o?????n

72. ## Math

If a single card is drawn from a standard 52-card deck, what is the probability that it is either a four or a spade?

73. ## Math

If it has been determined that the probability of an earthquake occurring on a certain day in a certain area is 1/20, what are the odds against an earthquake?

74. ## Algebra

Simplify 0.2(3b-15c)+6c

75. ## physics

Two boxes (b1 = 23 kg and b2 = 57 kg) are being pushed across a horizontal frictionless surface, as the drawing shows. The 48-N pushing force is horizontal and is applied to the 23-kg box, which in turn pushes against the 57-kg box. Find the magnitude of

76. ## Math

The odds in favor of a horse winning a race are posted as 6 : 5. Find the probability that the horse will lose the race.

77. ## Math

If a card is selected randomly from a standard 52-card deck, what is the probability that we draw a face card?

78. ## Math

We flip three coins and obtain more tails than heads. Write the event as a set of outcomes.

79. ## english

what is the Gerund phrase and Noun function in these sentences? 1)Writing a research paper sounds difficult. 2)He must like studying calculus. 3)Her favorite pastime is entertaining friends. 4)Water skiing, sailing, and swimming are my favorite summer

80. ## college mathematics

Given the argument and its Euler diagram below, determine whether the syllogism is valid or in valid. All painters use brushes. Some people who use brushes are teachers. Some painters are teachers. (The second sentence is suppose to have a line underneath

81. ## Calculus

Find k such that the line [y=5x-4] is tangent to the function : x^2-kx

82. ## Chemistry

How many drops (1 drop=0.05mL) of 0.20M KI must we add to 100.0 mL of 0.010M Pb(NO3)2 to get a precipitate of lead iodide to start. Ksp of PbI2=7.1e-9. Answer=9 drops. Please show steps.

83. ## Literature HELP!!!

Which phrase best describes Samuel Pepys's personality, judging from the Diary excerpts you read? A.a caring, social man with many friends B. a hardworking but miserly man who cares only about the damage the fire will cause his properties C.an angry and

84. ## physics

a 1540 kg truck is traveling at 95 km/hr. what average force is required to stop in 10 seconds

85. ## Math

Keith wrote the expression 10d to represent the number of dimes in d dollars. Is Keith's expression correct? Explain.

86. ## Math

The odds in favor of Carl besting his friend in a round of golf are 8 : 7 find the probability that Carl will beat his friend.

87. ## college mathematics

in exercises 35-40 write the statement in symbolic form let p: The tent is pitched q: The bonfire is burning #40. The bonfire is not burning, however the tent is pitched.

88. ## Chemistry

convert @5g of NaCl into moles

89. ## pre-algebra

Use an inequality to solve the problem. The equation y=0.04x-0.40 can be used to determine the approximate profit,y, in dollars, of producing x items. How many items must be produced so the profit will be at least \$1402?

90. ## World History

The urban lowe class, former rural workers, women, unions, and the Catholic church have emerged new political forces in Latin America. describing the effect each of these groups had on Latin America's political system.

91. ## World History

The member of the Big Four that never joined the League of Nations was a- the United States b- Great Britain c- Italy d- France

92. ## Physics relationship

Let W1 represent the work required to accelerate an object on a frictionless horizontal surface from rest to a speed of v. if W2 represents the work required to accelerate the same object on the same surface from a speed of v to 2v, then which one of the

93. ## pre-algebra

Use an inequality to solve the problem. A shopkeeper is making a triangular sign for his store front, but he must keep the sign under 20 square feet to adhere to the zoning laws. If the base of the sign is 20 feet, what is the maximum height of the

94. ## physics

A rock of mass 32 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 275 N. What is the magnitude of the acceleration of the rock?

95. ## college mathematics

In Exercises 13–32, determine whether the argument is valid or invalid. You may compare the argument to a standard form, given on page 155, or use a truth table. x→y ∼ x ∴∼ y there is suppose to be a line between x and the bottom y.

Could someone explain what multiplication comparisons are? An example of the problem is: Northview bought 6 computers Southview bought 2 computers Using multiplication, compare the number of computers the two schools bought. Express the comparison 2 ways.

97. ## World History

place the events in calendar order from first to last 1) Nazi-Sovie Pact 2) Attack on Pearl Harbor 3) Annexation of Austria 4) Dropping of atomic bomb in Hiroshima 5) Surrender of France list is order that the event happened

98. ## physics

a force of 100.0N act in a direction at an angle of 45 degrees with the x axis. What is the magnitude of the x component of force. I got 70.7 but I think I am wrong can you tell me

99. ## physics

Two particles of mass m1 = 1.0 kg and m2 = 2.6 kg are traveling with velocities v1 = 4.9, and v2 = 2.5 as shown in the figure below. What is the total momentum of this system? Be sure to give the magnitude and direction of the momentum. magnitude 1 kg ·