# Questions Asked onJuly 12, 2017

1. ## math

Kate used 555 grams of wool to knit a sweater, a hat and a scarf. She used 5 times less grams for the hat than for the sweater. She used 5 grams more for the hat than for the scarf. How many grams of wool did she use to knit each item?

2. ## Science

If a car covers 2/5th of the total distance with V1 speed and 3/5th distance with V2, then average speed is?

3. ## Calculus

If an arrow is shot upward on Mars with a speed of 54 m/s, its height in meters t seconds later is given by y = 54t − 1.86t2 (i) [1, 2](ii) [1, 1.5] (iii) [1, 1.1] (iv) [1, 1.01] (v) [1, 1.001] (b) Estimate the speed when t = 1.

4. ## math

Team one had twice as many workers as team two. The number of workers in team one is reduced by 5 and the number of workers in team two is reduced by 2. How many workers are there in each team now if there are 7 more workers in team one?

5. ## math

Three departments of a company employ a total of 1274 people. The second department employs 70 more people than the first one, and the third department employs 84 more workers than the second one. How many people work in each department?

6. ## Math

A bag of candy contains 11 peppermints, 8 chocolates,13 gumdrops, and 9 licorices. jack randomly takes a gumdrop from the bag and eats it. what is the probability that the next candy she takes will be a gumdrop or a peppermint?

7. ## math

Team Alpha had one fourth as many people as team Beta. After 6 people quit team Beta and 12 people were transferred to team Alpha from team Beta, both teams became equal. How many people were there originally on team Alpha?

8. ## math

Of the bundles delivered daily to the store, 1/3 consists of the morning edition of The Daily Sun. Another 2 bundles are made up of the afternoon edition of the same paper. Of the remaining bundles, 1/2 is regional, one is a local newspaper, and one is

9. ## chemistry

Which of the following ions possess a dipole moment? (a) ClF2+ has a dipole moment has no dipole moment cannot be determined (b) ClF2− has a dipole moment has no dipole moment cannot be determined (c) IF4+ has a dipole moment has no dipole moment cannot

10. ## math

Sheila needs to hire a babysitter for the evening. The babysitter charges \$10 for each hour and also charges for the time she spends driving to and from the house. She thinks it will take 1.5 hours of total driving time. Sheila is willing to spend \$80 for

11. ## Math

The number of Roberto's baseball cards is 3/4 the number of David's cards. If Roberto gives 1/2 of his cards to David, What will be the ratio of Roberto's cards to David's cards?

12. ## chemistry kinetics

The rate constant is numerically the same for three reactions of first ,second and third order resp. Which reaction should be the fastest and is this for all ranges of concentrations ??

13. ## Physics

a particle moving in the xy plane has velocity components dx/dt =2t and dy/dt = 4. If the particle starts from the origin at t = 0,magnitude of its displacement at t=2 is

14. ## Math

What is the average of 12,43,37 and 40

15. ## english

What is simple predicates and complete predicates of A king had a strange dream

16. ## Math

A particle moves along the curve x^2+4=y. The point on the curve at which the y coordinate changes twice as fast as the x coordinate,is

17. ## math

A player drawn a face card and a 3 and a 4 from a standard deck of cards (without an ace). According to the rules of blackjack a face card counts as a 10. What is the probability that the next card she draws will bring her total to 21 ? what is the

18. ## College Physics

A mass of 50.0 kg is acted on by only two forces: Force 1 is 650 N to the right, and Force 2 is 520 N to the left. What is the acceleration of the mass in response to these forces?

19. ## maths

What is the maximum number of coins that can be placed on squares in an 8x8 chessboard such that each row, each column, and each long diagonal contains at most 4 coins? (Note: Only 1 coin is allowed per square.)

20. ## English

What is the simple and complete predicates. She advised him to look for the singing bird. The eldest son asked permission to go. He believe that the he could catch the bird.

21. ## Chemistry

What should be the pH value of the solution to double the solubility of the ionic compound NX? Ka of HX=2*(10)^-5 M My thoughts on the question: Let the solubility of NX=x M 1) NX(s) N+(aq) + X-(aq) eq:con: x x (moldm-3) X^- HX + OH^- -->(2) HXH^+ + X^-

22. ## math

Reduce the sum to lowest term possible 7/15+7/15+2/15

23. ## Calculus

Give an example of a function that is integrable on the interval [-1,1], but not continuous on [-1,1]. Explain.

24. ## physics

A falling stone take 0.2s to fall post a window with. Hight 1m from how far above the top of window stone dropped

25. ## Physics

Does the speed of sound in air depend on the frequency of the wave? V=[(gamma.RT)/M]^(1/2)

26. ## science

Q.4a) an object is tied to a rope and moves in a horizontal circle. The maximum tension in the rope is 100N. The object has a mass of 37kg and the rope is 1.4m long. what is the angle of the rope with respect to the Horizontal? b) what is the speed of the

27. ## math

A university has 1500 students out of which 500 are history students, 800 are English students and 200 are both history and English students. Are the events of a student being an English student or a history student independent ?

Mary bought a house for RM 350,000 5 years before and paid a 10% down payment and took a 15 years bank loan for the remaining amount. The bank charges 4.38% p.a. compound interest on a reducing balance basis on property loans. Mary is to repay the loan by

29. ## Math

What is the unit cost per bottle if a pack of 4 bottles of juice sells for \$3?

30. ## English

What would you guys write? - Write a letter to the editor of a local newspaper commenting on a recent issue in the news. Explain your point of view.

31. ## General

A career that utilizes computers but is not considered an information technology based job. Please give at least 2 careers

32. ## College Physics

A rock is thrown from the top of a cliff. It lands 2.33 seconds later 17.3 meters from the base of the cliff. How far did it drop vertically? What is the speed of the rock when it lands?

33. ## chemistry

According to the following chemical equation: N2 + 3H2 → 2NH3 How many grams of hydrogen are needed to completely react with 28.0 grams of nitrogen?

34. ## College Physics

A ball is thrown horizontally from the top of a building which is 30.6 meters tall. It lands 50.0 meters from the base of the building. What was the launch speed of the ball?

35. ## calculus 3

A pilot is flying a Cessna airplane at 180 mph (airspeed).He would like to fly in the direction N45W, but there is a 32 mph wind in the S60W direction.What direction should the pilot set his course for in order to fly along his desired track? What will his

36. ## College Physics

A person of mass 65.0 kg is standing on the floor of an elevator. The elevator is accelerating upward at 1.50 m/sec2. What does the person weigh?

37. ## Physics

A person of mass 65.0 kg is standing on the floor of an elevator. The elevator is accelerating upward at 1.50 m/sec2. What resultant force acts on the person?

38. ## College Physics

A car of mass 1000 kg is traveling at a constant 25.0 m/sec along a straight, level highway. There is a force of thrust acting on it in the forward direction (the direction the car is moving) of 3000 N. There are drag forces and forces of rolling friction

39. ## College Physics

A mass m is acted on by a resultant force of 28.6 N in the upward direction. The acceleration of the mass is 5.72 m/sec2 upward. What is the mass?

40. ## Finance

A7X Corp. just paid a dividend of \$1.90 per share. The dividends are expected to grow at 22 percent for the next eight years and then level off to a growth rate of 6 percent indefinitely. If the required return is 13 percent, what is the price of the stock