# V

Popular questions and responses by V
1. ## math

A airplane crosses the Atlantic Ocean (3000 miles) with an airspeed of 600 miles per hour. The cost C (in dollars) per passenger is given by... C(x)= 150 + x/20 + 36,000/x Where x is the ground speed (airspeed plus or minus wind). a. What is the cost per

2. ## phyiscs

What is the spring constant of a spring that stretches 2.00 cm when a mass of 0.600 kg is suspended from it? Answer i know the answer is 295 n/m but im nto sure how they got to it,

3. ## Algebra

the outside of a picture frame has a length which is 4 cm more than width. The area enclosed by the outside of the picture frame is 165 square cm. Find the width of the outside of the picture frame.

4. ## Chemistry

A solution of aniline(C6H5NH2, Kb=4.2x10^-10) has a pH of 8.69 at 25 Celsius. What was the initial concentration of aniline? I have so far don't know if it's right: *. [H3O]=10^-8.69=2x10^-9 * 4.2x10^-10=(2x10^-9)^2 / x X=1.2x10^-8 (correct???)

5. ## Quantitative Methods

Assume you have applied to two different universities (lets refer to them as Universities A and B) for your graduate program. In the past 25% of students (with similar credentials as yours) who applied to University A were accepted, while University B

6. ## Math

How much money should be deposited today in an account that earns 6.5% compounded monthly so that it will accumlate to \$8,000.00 in three years?

7. ## math

In a study of the domestic market share of the three major automobile manufacturers A, B, and C in a certain country, it was found that their current market shares were 60%, 30%, and 10%, respectively. Furthermore, it was found that of the customers who

8. ## algebra

7x + 3y = 42 graph this equation using the intercepts method graph this equation using the intercepts method

9. ## math 101

Maria has a total of \$12,000 invested in two funds. The first fund pays simple interest at 6% per year and the other pays simple interest at 7% per year. If the funds earn a combined \$817 in interest in one year, how much does she have invested in each

10. ## GRADE 12 APPLIED MATH

The Problem: Create three sets P, Q and R such that: P ∩ Q = P P ∩ R =empty set Click for more options Q ∩ R has exactly 3 elements 1 mark for creating 3 sets 1 mark for satisfying P ∩ Q = P 1 mark for satisfying P ∩ R =empty set

11. ## american government

1. Which of the following government actions have the greatest impact on promoting racial equality and housing? A. The passage of the title IX amendment to the civil rights act of 1964 B. The passage of the civil rights act of 1968 C. The Supreme Court

12. ## math

Jenny deposits \$867 into an account earning 5.309%, compounded weekly. (a) What will be her account balance in 14 weeks? (b) How long will it take for the account balance to grow to \$1,500?

13. ## Math

3/4 h times 19mi / 1/4 h

14. ## Math

My question says “Find the product, list the units” “8 h times \$9/h” 8h x \$9 is 72 I don’t understand what h will be & what they mean my list the units Please help! Thank you!

15. ## GRADE 12 APPLIED MATH

The Problem: The population of Manitoba from 1975 to 2010 is given in 5-year increments. Year/Population 1975 1,019,529 1980 1,033,557 1985 1,078,327 1990 1,102,752 1995 1,124,947 2000 1,144,428 2005 1,176,114 2010 1,226,738 1. Find a quadratic equation of

16. ## GRADE 12 APPLIED MATH

The Problem You are given a piece of cardboard that is 6 inches by 4 inches. You would like to cut equal-sized squares out of each of the 4 corners and fold the cardboard in such a way to make an open-top rectangular box. Part A: Complete the table below:

17. ## GRADE 12 APPLIED MATH

The Problem: We have looked at the probability that two non-mutually exclusive events A or B can happen in this learning experience. We will take it one step further and look at the probability that event A or B or C will happen. The formula is: P[A or B

18. ## GRADE 12 APPLIED MATH

The Problem: The set T is defined to be all two digit multiples of 2 under 25. 1. How many subsets are there for T? 2. Create a set, V, that is a subset of T. 3. State an element that is in T but not in V. 5 MARKS: 1 mark for showing work in a) 1 mark for

19. ## Statistics

A basketball team has to play 3 games in an elimination roumd. What is the probability of them winning? A. 0 games B. 1 game C. 2 games D. 3 games

20. ## chem

18.4 mg/L of toluene is in a groundwater plume. Compute how much of the following would be necessary for full mineralization of the toluene if each reaction were the only reaction responsible for accepting the electrons from toluene. You may ignore biomass

21. ## Trigonometry

Use a graph of the function to approximate the solution of the equation on the interval [−2π, 2π]. (List the solutions in increasing order from left to right on the x-axis. Round your answers to three decimal places.) cot x = −1

22. ## physics

A golfer hits a shot to a green that is elevated 3.30 m above the point where the ball is struck. The ball leaves the club at a speed of 17.3 m/s at an angle of 49.0˚ above the horizontal. It rises to its maximum height and then falls down to the green.

Wellington’s Funds Flow Statement (Statement of Cash Flows) Sources Earnings after taxes \$ 80 Depreciation 84 Decrease in accounts receivable 42 Increase in accounts payable 13 Increase in notes payable 196 Increase in accruals 22 Increase in long-term

24. ## Chemistry

What is the concentration of C2O4^-2 in a 0.370M oxalic acid solution? Ka1=5.6x10^-2 and Ka2=5.1x10^-5

25. ## trigonmetry

find all solutions for tan^2 theta -4 = 0 i got theta = arctan 2 is that correct? and if it is how would i write it as a solution?

26. ## Physics

The boy on the tower of height h = 20 m in the figure below throws a ball a horizontal distance of x = 56 m. At what speed, in m/s, is the ball thrown?

27. ## economics

a monopolist, has a total cost curve given by TC = 5Q + 15. He sets two prices for his product, a regular price, PH, and a discount price, PD. Everyone is eligible to purchase the product at PH. To be eligible to buy at PD, it is necessary to present a

28. ## Quantitative Methods

The monthly income of residents of Daisy City is normally distributed with a mean of \$3000 and a standard deviation of \$500. a. What is the random variable? b. The mayor of Daisy City makes \$2250 a month. What percentage of Daisy City's residents has

29. ## science

balance the following iemic eq zn +h+----->zn2+h2

30. ## math

Chell lends \$500 to a friend for 8 months. What simple interest rate should she charge if she wants to be paid back a total of \$535?

31. ## math

e^(−5−2x) = 5

32. ## math

The quantity, in grams, of a radioactive substance present after t months is given by the function Q(t) = 1000(5)^(−0.3t) (a) How much of the substance will be present after 6 months? (b) How long until there is only 8 grams of the substance remaining?

33. ## math

The population of bacteria present after t hours is given by the function P(t) = 2530e^(0.24t) . (a) What is the initial population of the bacteria? (b) How long will it take the population to reach 10,000?

34. ## Math

A supplier sellers 2 1/4 pounds of mulch for every 1 1/3 pounds of gravel. The supplier sells 172 pounds of mulch and gravel combined. How many pounds of each item does the supplier sell?

35. ## Math

Which is higher? -6/24 or -2/8

36. ## GRADE 12 APPLIED MATH

The Problem: Create a quadratic function to model the height of an object thrown into the air with the following conditions The maximum height is between 90 and 100 m The object is starts on the ground The object takes at least 10 s before returning to the

37. ## GRADE 12 APPLIED MATH

The Problem: Zared plays basketball on his high school team. One of the things he needs to practice is his free throws. On his first shot, there is a probability of 0.6 that he will make the basket. If he makes a basket, his confidence grows and the

38. ## GRADE 12 APPLIED MATH

The Problem: Two teams, the Exponents and the Radicals, square off in a best of 5 math hockey tournament. Once a team wins 3 games, the tournament is over. The schedule of the tournament (for home games) goes: E-R-E-R-E If the Exponents are playing at

39. ## GRADE 12 APPLIED MATH

There are online sports sites which offer free game simulations. For example, you can pick a sport (baseball, basketball, football, college football or basketball and hockey). Then pick any two teams from the same or different eras. Finally, simulate a

40. ## GRADE 12 APPLIED MATH

The Problem: Here is important information: Part A: You want to explore the costs of renting and buying a property that you're interested in during the year 2010. You have it narrowed down to a few homes in the same neighbourhood. All homes remain at the

41. ## Law

In special circumstances is it possible for an agent to legally work for the interest of another agent or third party while representing a principle?

42. ## algebra

A rocket is launched from atop a 105ft cliff with initial velocity of 156 ft/s Height above ground a time t is given -16t^2 + 156t + 105 = h. When will it hit the ground after launch?

43. ## music

1. Click the play button to listen to the audio sample. What is the texture of this music? (1 point) monophonic polyphonic homophonic quadraphonic 2. Choose the correct definition of timbre. (1 point) volume level of the music speed or pace of the music

44. ## Trigonometry

Use a graph of the function to approximate the solution of the equation on the interval [−2π, 2π]. (List the solutions in increasing order from left to right on the x-axis. Round your answers to three decimal places.)

45. ## Physics

As part of a challenge lab, a student determines that a spring powered marble cannon will fire a 0.03kg marble to a maximum height of 0.8m when the cannon is set to the second medium firing position and fired vertically A. If setting the medium firing

46. ## Physics

The spring in a spring loaded cannon has a spring constant of 470N/m. A 0.05kg ball bearing is loaded into the cannon and the spring is compressed 0.1m. What will be the velocity of the ball bearing the instant before it hits the ground if the cannon s

47. ## Physics

What is the minimum speed you would need to roll a lacrosse ball down a flat street for it to be able to roll over a speed bump with a height of 12 cm

48. ## Physics

_________________________________________________________________ You find yourself on your bike at the top of Twin Peaks in San Francisco. You are facing a 600m descent. You and your bike weigh a combined 85 kg. 1. How much gravitational potential energy

49. ## Physics

Just before your mountain bike ride, you eat a 240 Calorie exercise bar. (You can find the conversion between food Calories and Joules in the People’s Physics chapter and several references online.) The carbon bonds in the food are broken down in your

50. ## Global finance

What moves an exhange cross rate in forex?

51. ## physics

A fire hose ejects a stream of water at an angle of 33.4 ° above the horizontal. The water leaves the nozzle with a speed of 20.1 m/s. Assuming that the water behaves like a projectile, how far from a building should the fire hose be located to hit the

3. Sam's Watch Shop sells 2,500 watches a year. The store estimates that it costs \$4 per year to carry a watch in inventory and \$100 to place an order for watches. (a) Determine the total inventory costs associated with an order size of 500 and (b) compute

53. ## supply chain

Supply Chain Risk: Research information on the Internet to assess the risks of a global supply chain. How have companies in the Microsoft supply chain been aﬀected by disruptions to the supply chain due to events like strikes and natural disasters?

The Springer Company sells its product for \$20 per unit. Its fixed costs are \$10,000 and the variable cost per unit is \$10 What is the new break-even point if the price per unit increases from \$20 to \$30

Find the break- even point if the selling price is \$8 per unit, variable cost \$3 per unit and fixed cost \$3000.

1.After doing considerable shopping, Eric has just decided what brand and type of athletic shoes to buy and where he's going to buy them. In what stage of the consumer buying decision process is Eric? Problem recognition Information search Evaluation of

1.jack leblanc, an mba student at the niversity of wisconsin at madison, recently purchased a small ice cream and frozen yogurt business close to campus to help pay his way through the program. even though wisconsin has cold winters, ice cream and frozen

58. ## Bus Math

i need to earn 61000 over 5 years. at 6% interest semiannually what is my first deposit?

59. ## Chemistry

Repost .. Saccharin is a weak organic base with a Kb of 4.8X10^-3. A 0.672-g sample of saccharin dissolved in 30.0mL of water had a pH of 12.34. What is the molar mass of saccharin?

60. ## Chemistry

Consider the reaction CO3^-2+H2OHCO3^+OH^-. Kb for CO3^-2 is 2.1x10^-4 at 25 Celsius . What is Ka for the HCO3^- ion at 25 Celsius?

61. ## Chem

Saccharin is a weak organic base with a Kb of 4.8X10^-3. A 0.672-g sample of saccharin dissolved in 30.0mL of water had a pH of 12.34. What is the molar mass of saccharin?

62. ## Chemistry

Repost:: sorry couldn't understand it What is the concentration of C2O4^-2 in a 0.370M oxalic acid solution? Ka1=5.6x10^-2 and Ka2=5.1x10^-5

63. ## Chemistry

A 8.5 x 10^-3 M solution of acetic acid is 4.6% ionized at 25 degree Celsius. in a 8.5 X 10^-4 M solution, the percentage of ionization would be? A.the same B.>4.6% C.

64. ## math

A survey by Men’s Health magazine stated that 40% of men said they used alcohol to reduce stress. At   0.10, test the claim that a random sample of 100 men was selected and 30 said that they used alcohol to reduce stress. Use the P-value method.

65. ## social studies

write three questions to ask farmers about new machinery and farming techniques that helped them from the great plains

66. ## precalculus

how do i change this into a standard ellipse equation 2x^2 + y^2= 3 , like i know i divide both side by 16 and get (2/3)x^2 +y^2 / 3= 1 but i don't know what to do with that 2/3 in front of the x

67. ## trigonometry

how do i simplify (secx - cosx) / sinx? i tried splitting the numerator up so that i had (secx / sinx) - (cosx / sinx) and then i changed sec x to 1/ cosx so that i had ((1/cosx)/ sinx) - (cos x / sinx) after that i get stuck

68. ## trigonometry

can i use factoring to simplify this trig identity? the problem is sinx + cotx * cosx i know the answer is cscx and i know how to get it but i want to know if i can do factoring to get it bc i tried to but it wont give me the answer . this is the step i

69. ## CHM

How many milliliters of a 0.25 M sucrose solution contain 2.0 grams? The molar mass of sucrose (C12H22O11 ) is 342.3 g/mol. Need the formula to understand how to continue with more problems.

70. ## trigonometry

Suppose (x, y) =(4, -5) and θ is an angle in standard position with (x, y) on its terminal side. What is the degree measure of angle θ? im not sure how to do this one problem plz show step by step

71. ## statistics

An automatic machine that fills bags of unpopped popcorn is operating properly if the weights are independently and normally distributed with a mean of 114 grams and a standard deviation of 4.9 grams. Find the probability that if 7 bags are randomly

72. ## statistics

An automatic machine that fills bags of unpopped popcorn is operating properly if the weights are independently and normally distributed with a mean of 114 grams and a standard deviation of 4.9 grams. Find the probability that if 7 bags are randomly

Need step by step explaination for soulution: A firm has net income of #2,610 and tax rate of 33%. The revenue is \$20,400, cost are 78 percent of sales, and interest expene is \$100. what is th edepreciation expense for the years?

74. ## physics

A motor car moving at a speed of 72 km/h can not come to a stop in less than 3 s while for a truck this time interval is 5.0s . On a highway the car is behind the truck both moving at 72 km/h . The truck gives a signal that it is going to stop at

75. ## Financial Management

Consider the following cash flows (CF's) (i) A single CF at t=5 of \$15,000 (ii) A single CF at t=11 of of \$10,000 and (111) A single cash flow CF at t=18 of \$15,000 Calculate the present value of these CF's at time t=0 interest is 4 percent compounded each

76. ## Business And Finance Mathematics

Total current assests(CA)\$20,000 Accounts receivable(AR) \$10,000 Current Liabilities(CL) \$11,000 Inventory(INV) \$4,000 Net sales \$30,000 Total assests \$25,000 Net income \$5,000 1. Calculate current ratio. A. 1.82 B. 1.80 C. 1.28 D .182 2.Calculate acid

77. ## math

Sean began painting his house on Monday. He worked 5 hrs longer painting on Tuesday than he had on Monday. On Wed he worked 4 hrs. less than on Tuesday. On Thurs he painted 6 hrs longer than on Wed. He painted for 11 hrs on Thursday. How long did he paint

78. ## algebra

(x) =29.95 + 200 @ x = 300 where c (x) is the cost of making x pairs of shoes

79. ## english

Hello! I am a senior student who lives in Paris, therefore English is my seocnd language. I need help to my examen oral. Tomorrow, I have to talk about: "Occupy Wall Street" movement (what's happening? analyzing the situation, is the movement important?

80. ## english

Hello! I'm a French student,I'm 17, I've learned the beginning of Freedom by Jonathan Franzen. Sometimes, it seems confused as it's my second language. So I need help, please. Can you explain what happened with Patty, Eliza, Carter, Richard and Walter in

81. ## english

Im writing a argument essay about PETA and I cant seem to come up with a thesis…..I need help plz.

82. ## Algebra

In 1993, the life expectancy of males in certain countires was 62.3. In 1999, it was 66.1 years. Let E repesent the life expectancy in year t and let t represent the number of years since 1993. The linear funtion that fits the data E(t) =

83. ## physics

A space shuttle is launched from rest. It takes 8.00s to reach 165km/h , and at the end of the first 1.00 min its speed is 1650km/h . a) what is the avg. acceleration in (m/s2) during the first 8.00 seconds? b) what is the avg. acceleration in (m/s2)

84. ## Physics

The boy on the tower of height h = 20 m in the figure below throws a ball a horizontal distance of x = 56 m. At what speed, in m/s, is the ball thrown?

85. ## Physics

The boy on the tower of height h = 20 m in the figure below throws a ball a horizontal distance of x = 56 m. At what speed, in m/s, is the ball thrown?

86. ## french

complete the following sentences withthe appropriate articles. le,la,l;,les est-ce que tuas------disques? -----etudiante parle avec le professeur

87. ## Math

Solve for x in terms of p and q if p^2x=x-(2p-1)/p. How would I do this if this if there is no q? I think that someone made a typo on the problem and if that is so how would I solve it for just p?

88. ## Math

Simplify the expression csc@cos@tan@. What is the best way to solve this?

89. ## Math

Im not sure where to begin on this problem: g(x)= -492x^3-492x^2+308x-5 What are the only possible integer roots of g?

90. ## geometry

find the radius of the circle inscribed in a triangle whose sides are 15cm, 17 cm and 8cm?

91. ## Chem

Which salt has the highest molar solubility in pure water? Cd(OH)2, Fe(OH)2, PbCrO4, CdCO3, Mn(OH)2

92. ## physics

The two blocks in the figureoscillate on a frictionless surface with a period of 1.7s . The upper block just begins to slip when the amplitude is increased to 38cm . What is the coefficient of static friction between the two blocks?

93. ## Intergovernmental Relations

I am doing a paper on the balance of power between federal local and state governments in the even of a national disaster. One of the questions posed to me was Should the federal government's superior financial resources supersede concerns about

94. ## Quantitative Methods

Assume you have applied to two different universities (lets refer to them as Universities A and B) for your graduate program. In the past 25% of students (with similar credentials as yours) who applied to University A were accepted, while University B

x+y=670 7x+5y=3740 __________ -7x-7y=4690 -2y=-900 y=450 i don't get this at all, can somebody please explain? thanks(:

my teacher: me: (1) x+y=670 " ? " (2) 7x+5y=3740 somebody please __________ explain this to me (1) -7x-7y=4690 step by step, thanks:) -2y=-900 y=450

-7x-7y= 4690

98. ## math

factor 100x^2 - 81

99. ## Math

Write 9+7 as a sum of three numbers, two of which add to 10.