# Questions Asked onJanuary 15, 2017

1. ## geography

Describe and account the differences between the drainage pattern of the Indus system and that of Balochistan plateau.

2. ## MATH

Lian uses 200 regular paces to walk around a square park.If one pace of Lian measures 40 cm,what is the measure of each side of the park?

3. ## lange arts

The seven wonders of the world is mostly about which of the following. A.The pyramids of Egypt. B.Architecture around the world. C.Incredible ancient structures. D.Respected building techniques. I think its's B or C

4. ## calculas

The point P(7, −4) lies on the curve y = 4/(6 − x). (a) If Q is the point (x, 4/(6 − x)), use your calculator to find the slope mPQ of the secant line PQ (correct to six decimal places) for the following values of x. (i) 6.9 mPQ = (ii) 6.99 mPQ =

5. ## English

Which of the following sentences contains a verb in the imperative mood? The vase was a fine example of Indian stoneware. Myra was ready to go shopping at the mall. I suggest we all take a deep breath and reconsider. Let’s get some ice cream for the

6. ## physics

a motor car of mass 800kg travelling at 20m/s is brought to rest by breakes in 100m.calculate the average breaking force required.in physics

7. ## Math

If the coefficient of sliding friction for steel on ice is 0.05, what force is required to keep a man weighing 150 lbs moving at constant speed along ice?

8. ## Math

In rod's family 3/4 of members wear glases. Of those who do not wear glasses, 1/3are male. What fraction of the family are males who do not wear glasses?

9. ## Government

I need help on these two questions these are my answers. The U.S Congress is a bicameral branch of government in which each state A) Is represented based on population in the House of Representatives and is equally represented in the Senate B) Elects

10. ## science

need help with 3 questions: 1.fossil fuels are a. a natural resource b. renewable c.made from minerals d.burned in hydroelectric plants. 2.which of the following is a renewable for of energy? i didn't have any suggestions :(

11. ## Math

A marketing expert determines that sales of television sets an be increased by 3 sets per week for each \$20 decrease in price. Weekly sales average 18 sets at \$440 each. What price should be given in order to receive \$10,800 in revenue?

12. ## math

I am an array made with 24 tiles.My number of rows is 2 More than the number of tiles in each of my rows. How many rows do I have?

13. ## Algebra

Find four numbers that form a geometric progression such that the third term is greater than the first by 12 and the fourth is greater than the second by 36.

14. ## Dynamics

A level fight bomber flying at 300 ft/s releases a bomb at an elevation of 6400 ft. Approximately how long before the bomb strikes the earth?

15. ## Chemistry

In a certain reaction 0.20g of hydrogen gas combines with 3.20g of oxygen gas.if the relative molecular mass of the compound is 34.0 find its molecular formula (H=1,O=16).

16. ## math,science, geography

What are three characteristics that mid-latitude cyclones have in with all cyclones?

17. ## math

in a class containing 32 students, a student can either do Government or History or both. If 16 students do Government, 18 do History and 3 do none of the subjects, find how many do both

18. ## history

Make a list of things about emperor hongwu that you noticed in the painting

19. ## Chemistiy

How does the presence of impurities such as copper affect the rusting of a piece of sheet metal of iron?

20. ## Chemistry

How to Prepare 500mL a 50 mM pH 6 Citrate buffer starting from citric acid as the sole source of conjugate base I used the HH equation and got that citric acid concentration would be 0.035M, when converted to moles would be 3.362g. Then I was planning to

21. ## Chemistiy

Complete & Balance the Equation: i) Zn + Cu(NO3)2 -> ii) Ag + Mg(NO3)2 -> iii) Al + HNO3 -> iv) Mg + Fe(NO3)2 -> My Answers: i) 2 Zn + Cu(NO3)2 -> Cu + 2 ZnNO3 ii) Ag + Mg(NO3)2 -> No RXN iii) Al + HNO3 -> Al(NO3)3 + NO + 2H2O iv) Mg + Fe(NO3)2 -> Mg(NO3)2

22. ## Pre Calc

The Department of Foreign Languages of a liberal arts college conducted a survey of its recent graduates to determine the foreign language courses they had taken while undergraduates at the college. Of the 500 graduate 207 had at least one year of Spanish.

23. ## Physics

A 0.075-kilogram dart strikes a 2-kilogram stationary block of wood. If the dart sticks in the wood and the dart and wood fly off together at 1.5 meters per second, what was the approximate original speed of the dart?

24. ## Chemistry

If we were to fill a bottle with boiling hot water than place it in a bucket filled with cold water what would happen to the bottle and why? i know the bottle would get crushed inwards but whats the science behind this can someone explain?

25. ## Government

Can someone please check my answer for me I'm having trouble on my government practice test. Which of the following is an example of checks and balances? A) Congress can override a presidential veto by two-thirds veto in each house. B) The legislative and

26. ## physics

A rifle with muzzle velocity of 460m\s shoot a bullet at small target 46 metre away. How high above the target must the gun be aimed so that the bullet will hit the target.

27. ## science

which of the following would decrease the human ecological footprint? 1) using bottled water instead of tap water 2) using public transportation instead of riding in a car 3) buying books instead of borrowing from the library 4) using hot water instead of

28. ## math

Find the weight of led pipe is 3.5 m long if the external diameter of pipe is 2.4 cm and the thickness of led is 2mm and 1cm cube of the leg width is 4g

29. ## Chemistry

I'm doing a lab where I have to identify the oxidization state of Iron. Here's the procedure I had to go through: Use 0.5 molar concentration of CuSO4, get another beaker and add 0.1 grams of Iron to it. Add the CuSO4 to the beaker with the Iron fillings.

30. ## Pre Calc

Evaluate the quantity. 4 · P(4, 4) · C(9, 5)

31. ## Chemistry

How to make 100 mL of 100mM of Tris HCl and 100 mL of 100mM of Tris Base. Follow the pH of the resulting combined solution as it is heated from 4 to 50 degrees Celsius. I did not use the HH equation in this problem. I started with just converting to moles

32. ## chemistry

Your living room measures 45 ft by 62 ft. The cost of the carpet is \$21/square yard. How much will you spend on carpet

33. ## Chemistry

Which of the following best explains how relative atomic mass could be determined from the type of data available to Dalton? A. By determining the mass of oxygen contained in a sample of water, its exact atomic mass could be determined. B. By comparing the

34. ## Math

Sheena is now one third of her father's age.Twelve years hence she will be half as old as her father.Find their present ages??

35. ## maths

Two numbers are in the ratio 3:7 if the larger number is 42 then find the smallest number

36. ## science

Numerical problem : The dimensions of a certain water tank are 8m x 6m x 4m. What is the pressure at the bottom of the tank, if the tank is half filled?

37. ## Geography

The distance between station x and y on the map is 7cm. Find the actual ground distance between the two stations if the map scale is 1:100000

38. ## Chemistry

Calculate enthalpy of the reaction ethene+hydrogen gives ethane are -1410KJ,-286kJ and -1560KJ respectively at 25°c

39. ## Physics

QUESTION: A car goes around a circular track with a radius of 1000 m at a constant speed of 10 m/s. (a) How long does it take the car to go once completely around the track? (b) What is the average velocity of the car over this time interval? WORK: What I

40. ## Early child hood education

Which of the following parts of the activity plan focuses on how you plan to teach

41. ## Geography

Name a link canal and explain it's purpose. I couldn't get it's answer, it is not even in my book.

42. ## statistics

A random variable has aprobability function p(x)=kx; x=1,2,3,4,5.find the value of k, p(x>=3),compute mean and variance of x.

43. ## Chemistry

2.40 L of N2, at 25 ∘C and 1.89 atm , is mixed with 2.60 L of O2, at 25 ∘C and 0.245 atm , and the mixture allowed to react. N2(g)+O2(g)→2NO(g) How much NO, in grams, is produced?

44. ## Science

A concave lens has a focal length 10cm.An object of height 2.5cm is kept at a distance of30cm from the lens .Determine the position of image & its size

45. ## Math- fractions

A cookie recipe calls for 3/4 cup of chocolate chips.Spencer has 2/3 cup. Does he have enough?If your answer is yes ,explain.If your answer is no, how much more does Spencer need?

46. ## physiology and health

a relationship is a bond between people?

47. ## geometry

if the radii of two circular ends of conical bucket which is 30cm high are 14 and 7 cm find the toal surface area and capacity of bucket

48. ## children's literature

With pre-school children, a first step in engaging children in the reading process is to read stories in which characters are faced with a decision to be made and in which there is: A. no clear-cut answer. B. no solution. C. a set of choices provided. D.

49. ## physics

A ball rolls of the top of stairway with a horizontal speed of 1.5m\s. The steps are 0.5 metre high and 0.5 metre wide. Which step will the ball hit first?

50. ## Geometry

The Varignon parallelogram of the Varignon parallelogram of quadrilateral ABCD is a 3*4 rectangle. Find AC+BD. I don't understand the Varignon parallelogram, so solving this problem is difficult.

51. ## Math

On a certain map 1-1/16" = 300 miles. How many miles does 7/16" equal? Please clarify he process for solving his. What is he correct way to write the equation?

52. ## Chemistry

How is it possible that the atomic number increases in order, yet the atomic masses do not? A. There is no relationship between the atomic number and mass of the atom. B. The masses of the protons for Te, I, and Xe have slightly different masses. C. Since

53. ## technology

What are the disadvantages of ramp

54. ## science

concentration of[H+]ion in0.08M Ca(OH)2

55. ## chemistry

We have 1L of 0.1mol/l solution of ammonium chloride, with pKa 9.2 for NH4+/NH3 Place in an increasing order on a pKa axis the different conjugate acid /base pairs present in the solution. Write the equation of the different reactions that may take place

56. ## Math

What is the value of x after these statements if the starting value of x is 3. (a) If x^2 = 5^x then x := 25^x. (b) If x^2 > x and x^3 < 4x^2 then x := x+ 2. (c) If 4^x < x^4 or x^5 > 5^x then x := x^2. (d) If 5^x > 2^x xor x^2 < 11 then x := x + 8. (e) If

57. ## vector calculus

Can someone help me with this please. A vector field in cylindrical polar co-ordinates is given by V = R Rˆ + R 3 s i n ( φ ) c o s ( φ ) φˆ + 3 z kˆ where Rˆ, φˆ, kˆ are the appropriate unit vectors. Translate this vector field into the

58. ## science

how can I convert 1% w/v to g/ml

59. ## science

which gas change the gens of the human

60. ## maths

A body is projected vertically upward from roof of a building at 40m.s raised to the power 1 The height of the building

61. ## Algebra

(-11)3squared

62. ## calculus

Find the domain of the variable x for which the following equation determine y as a real function of x. y - xy = 5

63. ## physics

A pilot of an aeroplane flying at 300km\hr wishes to release a package of mail at the right position so that it hits the spot. What angle (theta) should his line of sight to the target make the instant of release at 150 metre.

64. ## Geometry

A diagonal of a square has the same length as a diagonal of a rectangle. The area of the rectangle is 60% of the area of the square. What is the ratio of the shorter side to the longer side of the rectangle? Write your answer as a common fraction (or an

65. ## math

Mark works 7 more hours per week than Thomas works. Write an algebraic expression to represent the amount of hours Mark works. Let h equal the amount of hours Thomas works.

66. ## Chemistiy

based on standard reduction potentials which metals would i) inhibit rusting ii)promote rusting My general statement is: > If the reduction potential is higher it will inhibits rusting and if it is lower it will promote rusting But im not sure because it

67. ## Math

Suppose that the domain of discourse is the set {-2, -1, 0, 1, 2}. Express the following statements without using quantifiers, using only the connectives ¬, V, Λ. (a) ∃x P(x) (b) ∀x P(x) (c) ∃ ¬P(x) (d) ∀ ¬P(x) (e) ¬∃ P(x) (f) ¬∀ P(x)

68. ## math

After travelling 3/8 of the distance between two cities a bus is still 12km short of half way. How far apart are the two towns?

69. ## Math

I am still confused! Equation: C1V1=C2V2 Given: C1= 15 mM V1=? C2= 0.25 mM V2= 1mL (Do I just plug 1mL into the equation or do I have to convert to liter? Does mM mean mmol/1L?) I got ~17 microliter. Note: I must convert my answer to microliter. Math -

70. ## hypothesis

Why is it important to test the results of a hypothesis?

71. ## accounting

Which college or university could I go after grade 12

72. ## mathematics

the first four terms of an arithmetic sequence are -1

73. ## mathematics

the first four terms of an arithmetic sequence are -1; x ; 3 ; x+8 find the value(s) of x I did the question I can find the values of x

74. ## Language

give one word with the same meaning as each of the following:- transparent wicked lazy what is the answer?

75. ## Math

sum of the digits of a three-digit number is 20. If the hundreds and unit digits were interchanged, the resulting number is 297 less than the original. Find the number if the hundreds digit exceeds the tens digit by one.

76. ## Math

Ten times increased by 12 is 32.find the number

77. ## Physics, Science

How would the length of a day be affected if all the world’s inhabitants continuously walked in an easterly direction? When they stopped walking?

78. ## maths

Determine the 10th and 21st terms of each of the arithmetic sequences: 4+7x; 5+9x; 6+ 11x.......

79. ## Math

It takes a typist 3 hours to type 54 words. How many words can she type in (i)1hours (ii) 6 hours.

80. ## Math

A man sold an item for three thousand, six hundred naira if he had sold the item for two thousand naira what would have been his percentage loss.