# Questions Asked onDecember 28, 2016

1. ## English

In the middle of the 19th century, political philosopher Alexis de Tocqueville claimed, "The inhabitants of the United States have...properly speaking, no literature." Based on what you learned in the New World, New voices, American Romanticism, The Night

2. ## Chemistry

1. A student collected the following data for a fixed volume of gas: Temperature (⁰C) Pressure (mm of Hg) 10 726 20 750 40 800 70 880 100 960 150 ??? Fill in the missing data point. Show all calculations leading to an answer.

3. ## Math

An open top box with a square base has a volume of 30ft^3. The total surface area of the box is? a) S.A=x^2-60/x b) S.A=x^2+60/x c) S.A=x^2-120/x d) S.A=x^2+120/x

4. ## math, algebra

Members at a yoga school pay \$7 per class plus a one-time \$120 membership fee. Non-members pay \$11 per class. How many classes would a member have to take to save money compared to taking classes as a non-member? I'm struggling with this problem a bit, and

5. ## Chemistry

Which of the following is true about oxidation reactions? A. Oxidation reactions are the principal source of energy on Earth. B. All oxidation reactions are accompanied by reduction reactions. C. The burning of wood in a fireplace and the metabolization of

6. ## SAT Math Question?

Lindsey and Stephen work at a factory. Lindsey can complete one full job in three hours, and Stephen can complete the same job in five hours. If Lindsey and Stephen work together on the job for one hour, then how long, in minutes, will it take Stephen to

7. ## History

which statement best describes the unique relationship that tribal governments have with local, state, and federal governments

8. ## Science

Determine the pH of a 0.62M NH4NO3 solution at 25oC. The Kb for NH3 is 1.76x10-5. Calculate Ka

9. ## Math

A man goes 7m east and then 24m to south. Find his distance from the starting point

10. ## Math(A.P)

The fourth term of an A.P is equal to 3 times the first term and the seventh term exceeds twice the third term by 2. The first term and the common difference are:

11. ## Science

if two spheres,having a weight of 10kg each at a distance of 50 cm find the gravitational force between them

12. ## Physics

I understand this question: 4. If a pendulum completes 40 vibrations in a minute, what is its period? The period is the time for one complete cycle, and if the pendulum takes one minute (or 60 seconds) for 40 vibrational cycles, then it must take 1.5

13. ## Science

Mass of ice is 0.015 kg and that of water is 0.05 kg. Both are at 0°C. Find the final mass of ice and water.

14. ## Maximum value

Consider the function with rule f(x) = |x^2-ax|, where a is a positive constant. Find the maximum value of the function in the interval [0,a] How do you do find that?

15. ## Math(A.P)

A person was appointed in the pay scale of \$700-40-1500. Find in how many years he will reach maximum of the scale?

16. ## MATHS

A clock is set right at 10PM. the clock gains 10 minutes i 24 hours. What will be the true time when the clock indicates 3PM the following day.

17. ## Finding Range - Maths

Let f:{x: IxI > 100} => R, f(x) = 1/x^2. State the range of f. Let f:{x: IxI < 0.1} => R, f(x) = 1/x^2. State the range of f. *R = real numbers How do you find the two ranges? I know it sounds embarrassing but I am struggling to work out the range. Can you

18. ## Maths

A square tile is having a side of length 15 cm how many tiles would be required to cover the square floor of bathroom of side 5m

19. ## Math

Estimate a range for the sum:7.6+2.3+6.7

20. ## maths

A hollow cylinder open at both ends is made of steel 2 cm thick. What will be the volume of steel used in making the cylinder, if the external diameter is 24 cm and the length of the cylinder is 55 cm.

21. ## Math

By selling a watch for rupees 475, jatin suffer a loss of 5percent. At what price should he sell the watch so as to gain 12 percent

22. ## maths

One hundred and twenty five cubes, each of side 1cm, are placed on a table to form a solid cube. The length of the edge of the cube in (cm) is A) 5 B) 25 C) 125 D) 1 please explain how you got the answer, thanks.

23. ## Math

Something travels 25 meters in one minute, what does it travel in kilometers in one minute.

24. ## English

Write an interesting story based upon the title the tiger who came to visit me in about 150to 200words

25. ## Math

the sum of two numbers is 30. the difference of their squares is 180. find the two numbers by elimination method

26. ## Math

Interest of \$22.05 was earned in three months on a balance of \$1960. What is the interest rate per annum earned on that account? P.s please explain how you solved it.

27. ## Concentration of Hydrofluoric Acid

How can I verify concentration of Hydrofluoric Acid (Known Concentration)

28. ## math

A clock is set right at 10 AM. The clock gains 10 minutes in 24 hours. what will be the true time when the clock indicates 3 PM the following day ?

29. ## Science

D)The blood of the vessels near the small intestine is often acidic after a meal. suggest a reason for this.

30. ## Maths

A clock is set right at 10AM.The clock gains 10 minutes in 24 hours. What will be the true time when the clock indicates 3PM the following day ?

31. ## Math

A freight train travels 260 km in the same time a passenger train travels 320 km. If the passenger train averages 15km/hour faster than the freight train, what is the average speed of the freight?

32. ## calculus

solve for dy/dx=(x^2+y^2)/xy by substitution. Plz help step

33. ## English

How does Day of the Triffids display evolution? i am having a hard time coming up with a thesis for Day of the Triffids to display evolution compared to Orxy and Crake... For Orxy and crake i know evolution is a distinct theam but i am experiencing

34. ## Physics

what metal is it if, it is 7.14g/mL => Cast Iron.

35. ## Calculus

How do I find the limit of x/x as x approaches 0?

36. ## physics

How much work must an ideal refrigerator perform to make 1 kg of ice at -10C from 1 kg of water at 20C when 20C is also its exhaust temperature?

37. ## maths

the four angles of a qudrilaterala are as 3:5:7:9.find the lengths ?

38. ## math

A circle has centre(5,12) and its tangent to the line with equation 2x-y+3=0. Wtite equation of the cirle

39. ## Math

I saw MRP of rs 15.50 of biscuit. What does it mean?

40. ## micro economics I

show the MRS for Cobb Douglass preference is ax2/bx1

41. ## math

Value oftan76.25degree