# Questions Asked onJuly 27, 2017

1. ## trigonometry

Filiz is walking at a bearing of 300°. When she has traveled 20 meters, how far west from her starting point is she? Round to the nearest tenth

2. ## english

In what mood (or case) are the following sentences? 82. Zach wishes that he didn’t live in a small apartment. A: indicative mood B: imperative mood C: subjunctive mood D: none of the above 83. He uses headphones when he practices at home. A: indicative

3. ## Chemistry

An acetic acid buffer solution is required to have a pH of 5.27. You have a solution that contains 0.01 mol of acetic acid. How many moles of sodium acetate will you need to add to the solution? The pKa of acetic acid is 4.74. Show all calculations in your

4. ## english

85. The overriding goal when teaching grammar to EFL students should be to A: improve their communications skills. B: help them successfully name parts of speech. C: improve their abilities to diagram sentences. D: help them prepare their own grammar

5. ## math

prove that tan(pi/4 + 1/2cos-1a/b) + tan(π/4-1/2cos-1a/b)=2b/a

6. ## Physics

What is the pressure on a swimmer 10meters below the surface of a lake?

7. ## Physics

A man walks 50 m,East, 30 m, South, 20 m,West and 10 m, North. Determine the displacement from the starting point. Find the distance traveled in FPS

A boy on a swing is pulled to a position 2.34 m off the ground and released. At the fastest and lowest point of the swing the boy is 0.50 m off the ground and travelling 3 m/s. The percent efficiency of this swing system is?

9. ## pre-algebra 1

Write 6.92 x 10 -8 in standard notation. A. 0.000000692 B. 0.0000000692 C. 0.0000000069 D. 0.00000692 Please help, i have no clue!!!

10. ## micro economics

define the foollowing term using graph and mathimatical expression/utility,util,iso cost ,indiffrnce cure budet line monopolist

11. ## math

The result of an exam score for a given class is normally distributed. If the mean score is 85 points and the standard deviation is equal to 20 points, find the cutoff passing grade such that 83.4% of those taking the test will pass.

12. ## Trigonometry

I'm having trouble figuring this out. An airplane has an airspeed of 160 mph. It is to make a flight in a direction of 80° while there's a 20 mph wind from 310°. What will the airplane's actual heading be? I'd appreciate any help especially on how you

13. ## Physics

An ocean liner going from San Francisco to Tokyo stops for a few days in Honolulu you are on board and wish to stamate the time it will take you to get to Tokyo.It is 3700km from San Francisco to Honolulu and 6200km from Honolulu to Tokyo.It took 5.1days

14. ## science

enumerate ways by wich you can practice 5 Rs the Reduce, Reuse, Recycle Respect and Responsibility.

15. ## Trigonometry

I'm having trouble figuring this out. An airplane has an airspeed of 160 mph. It is to make a flight in a direction of 80° while there's a 20 mph wind from 310°. What will the airplane's actual heading be? I'd appreciate any help especially on how you

16. ## Math

A flooring company charges a homeowner a fixed labor charge of \$V1 plus V2 per square foot of flooring.  If the total bill was T, what is the equation to show how many square feet of flooring the homeowner required?

17. ## Theory of machine

A winding drum raises a cage through a height of 120 m. the cage has, at first, an accelerationof 1.5 m/s^2 until the velocity of 9 m/s is reached, after which the velocity is constant until the cage nears the top, when the final retardation is 6 m/s^2.

18. ## math

The H.C.F and L.CM of two numbers are 8 and 504 retrospectively. One of the number is 72, find the other number.

19. ## Math_ Geometry

The sum of the interior angles of a regular polygon equals 1260 degrees. How many sides does a polygon have?

20. ## chemistry

Which is most reactive among the following(a) HCHO (b) CH3CHO (C) CH3COCH3 (D) All are equal

21. ## probality

Blue Nile University recently conducted a survey of undergraduate students in order to gather information about the usage of the library. The population for this study included all 4000 undergraduate students enrolled in the university. The library

22. ## American History

How were American politics and society shaped by the Cold War?

23. ## Science (Chemistry)

An organic compound contains 49.2% Carbon, and 9.68% Hydrogen and 19.19% Nitrogen. If Molecular Mass of compound is 146. Calculate the Molecular Formula of compound.

24. ## physics

the electric force between Q1 and Q2 is 1.2 going to left. determine the distance between the two charges, and the electric field, E1 and E2, of the electric charges if Q1 is 6 x 10^-6 C, Q2 is 4 x 10^-6 and test charge of +1 x 10^-6 C

25. ## Math- Slope

two lines past through point (2,4) Line 1 passes through (-2,1) while line 2 passes through (4,0). What is the slope of one of these lines?

26. ## Math

Dweezle has 3,500 to invest. he places part of the amount in a stock option that yields 5% interest annually and the rest in a savings account that yields 8% interest annually. If Dweezle earns a total of 238 in interest for the year, what was the amount

27. ## math

the difference between three fourths and three fifths of a number is 9 determine the number

28. ## Entrepreneurship

What are the main components of Operations Plan in a business plan? Please state the content of the following A. A description of the company's operation B. Flow of Orders for Goods and Services

29. ## Science

A boy is going from one place to another.He goes 100 m north and then 70 m east . Find the displacement of the boy from his starting point.

30. ## maths

The values A,B,C, and [(A/B)+C], are all integers which are divisible by 3. Then, which of the following statements must be true: A is divisible by 9 B is divisible by 9 C is divisible by 9 A and B are both divisible by 9 A,B,and C are all divisible by 9

31. ## math

determine the largest number of four digits which is divisible by 18; 25 and 35. find solution.

32. ## physics

A bullet is fired in to s wall losses half of its velocity after penetrsting 3m.how much further will it penetrate.

33. ## English

In the following sentence, which of the following is used as a gerund or gerund phrase? A:overjoyed B:about discovering*** C:discovering D:was overjoyed What function is the gerund serving in the sentence below? Swimming was my sister's best sport in high

34. ## algebra

: How much does it cost to make one single pizza if the average demand is 70 percent of the capacity considering that both Abbie & Melissa makes \$27 an hour

36. ## Chemistry

If we were asked to order SO2,H2O,CuO and CaO considering their acidity, how do we find what is more acidic from CaO and CuO?

37. ## Biology

Are lysosomes present in a plant cell?

38. ## Math

Ethel collects animal stickers.She has 30 cat stickers,15 horse stickers,19 dog stickers and 11 rabbit stickers. One third of the horse stickers are round and the rest are square. One fifth of the cat stickers are square and the rest are round. All the dog

39. ## Math

Carlos baked a dozen cupcakes for the village fete.Half the cakes had pink icing and half had blue icing. Two of the cakes with blue icing and 3 cakes that had pink icing had a cherry on top. The rest of the pink cakes and 1 of the blue cakes had chocolate

40. ## Physics

A rope kept on a horizontal plane moves with a constant acceleration. If a constant force "f" acts on the rope,the tension of the middle of the rope is T. Which of the following are true? a)If the rope has a weight,T/f=1/2 b)If the rope is light,T/f=1 c)If

41. ## History

How have the lives of African Americans changed over the last 150 years and how has that transition mirrored broader shifts in American society?

42. ## grammer

Use plural verbs for?

43. ## Math

Simplify 9^90-9^89 / (3^2)^89 Its 9^90 right?