# Questions Asked onJuly 26, 2016

1. ## maths

In a competition, 5 points were awarded for each game won and 2 points were deducted for each game lost.A pupil attempted 15 games and got 54 points.How many games did the pupil win?

2. ## Math

Which statement best describes the effect of replacing the function f(x) = 2x − 2 with the function g(x) = 2x + 3? The graph shifts 1 units left. The graph shifts 5 units left. The graph shifts 1 unit right. The graph shifts 3 units right. Plz help

3. ## Physics

during a race,a dragster is 200 meters from the finish line when something goes wrong and its stops accelerating.it travels at a constant velocity of45 meters per second for 3seconds to try to finish the race.How far from the finish line is the dragster

4. ## Statistics

The ages of commercial aircraft are normally distributed with a mean of 13.5 years and a standard deviation of 7.3 years. What percentage of individual aircraft have ages greater than 15 ​years?

5. ## geometry

SM=3x−4, and RN=9x−20. Find the value of x. A. 16 B. 4 C. 12 D. 8

6. ## Chemistry

How much H3PO4 is needed to neutralize 1 liter of a 0.75M solution of NaOH? (in moles)

7. ## Math

Write a real-life situation that can be modeled by the expression 5x 3/4

8. ## maths

A sum of money borrowed at a particular rate of interest amounts of Rs 8320 in 2years and Rs 9685 in 3 and half years.Find the sum borrowed.

9. ## American History

what are the biggest challenges facing the average American citizen today? I feel that the biggest challenges facing the average American today include lack of jobs, state of our economy, terrorism, and gun violence. Unfortunately in America today wages

10. ## physics

an arrow is shot vertically upward after 2s it is at a height of 36m although this is not necessarily the highest point with what velocity was the arrow shot what is the maximum height reached by the arrow how long is the arrow in flight altogether

11. ## physics

the mass of a proton is 1836 times the mass of an electron a)a proton is traveling at speed v. at what speed (in terms of v) would an electron have the same kinetic energy as the proton? b) an electron has kinetic energy K. if a proton has the sane speed

12. ## math

Points​ A, B,​ C, D, and E are coplanar and no three are collinear. In how many ways can the plane be named using only these​ points?

13. ## geometry

The lengths of two sides of an isosceles triangle are 8 and 10. The length of the third side could be? A. either 8 or 10 B. 6, only C. 8, only D. 10, only

14. ## physics

A stone is projected vertically upwards with a speed of 30ms from the top of a tower of height 50m. Neglecting air resistance determine the maximum height it reached from the ground.[g=10ms^2]

15. ## Maths

Buzz is three times as heavy as Jessie. If Buzz is 450g heavier than Jessie what is the weight of Buzz in grams?

16. ## science

Ice has a critical angle of 49.8 degrees, explain or rectangular prism of clear ice can be used for the total internal reflection of light by 90 degrees

17. ## Geometry

Triangle XYZ is the pre-image with vertex X(-6,-4). Given the algebraic rule for the composition,t(3,5) R(270 ,cc) , what are the coordinates of X’?

18. ## physics

A car accelerates from rest at 1.0 m/s^2 for 20s along a straight roa, it then moves at a constant speed for half an hour, it then deccelerates uniformly to a stop in 30s. Find the total distance covered by the car.

19. ## microsoft PP

When planning a presentation, there are several factors you need to consider. Which of the following is one factor you should consider when initially planning your presentation? A. Location of audience B. Title placeholder C. Type of font D. Saving your

20. ## math

round 333.3333333333 to the nearest meter

21. ## Chemistry

Rank the following molecules in order of water solubility. ch3ch2ch2ch3, ch3oh, nacl, and ch3chohcooh

22. ## Maths

Construct a parallelogram whose he=5cm each=6cm and angle r=85°

23. ## Algebra

when f(x)=2x^3−11x^3−4x+a is divided by x+2, the remainder is −4. What is the value of a

24. ## geometry

Two sides of a triangle have lengths 4 and 7. Which of the following can NOT be the length of the third side? A. 4 B. 7 C. 11 D. 5

25. ## Math

An open box, no more than 5 cm in height, is to be formed by cutting four identical squares from the corners of a sheet of metal 25 cm by 32 cm, and folding up the metal to form sides. The capacity of the box must be 1575 cm^3. What is the side length of

26. ## Trigo

From the top of the mountain 30m. Above the sea level, the angle of depression of two ships lying in a vertical plane with a mountain top measure 28° and 23°. Find the distance between the ships.

27. ## Chemistry

When zinc metal is reacted with hydrochloric acid, zinc chloride and hydrogen gas are produced. If 25ml of 0.2M HCl and 0.3g of zinc metal is used: a. how many M of zinc chloride will be produced? b. how many M of zinc chloride will be produced if 0.5M of

28. ## Maths

Construct a parallelogram whose he=5cm each=6cm and angle r=85°

29. ## Science

What is the concentration off alcohol solution that was prepared by dissolving 40cm3 ethanol in 160cm3 water

30. ## engineering mechanics

a 75kg person is standing on a board inclined at 30 angle type the horizontal .what are the magnitudes of gravitational components normal to the board and parallel to the board

31. ## Chemistry

Which value is most likely to be the pH of a salt that is formed by the reaction of a strong acid and a weak base

32. ## math

Workers A and B working together can finish a job in 8 hrs.If they work together for 6 hrs.,after which worker A leaves,then worker B needs 9 more hrs to finish the job.How long does it take worker A to do the job alone?

33. ## Maths

An object is immersed in 1L of water. The water level rises to 1.25 L. What is the volume of the object?

34. ## MAth Trig

Find the diameter of a circle with an arc length of 32 cm and a subtended angle of 72 degrees

35. ## Algebra

The Patterson family and the bell family each used their sprinklers last summer. The wayer output rate for the patterson family's sprinkler was 25 L per hour. The water output rate for the bell family's speinkler was 15 L per hour. The familiez used their

36. ## English

Rewrite the sentence without changing the meaning. It doesn't matter

37. ## Army school math

Area of isosceles tringle if base is 6 cm and perimeter is 26 cm

38. ## maths

Find length of diagonal of rectangle whose adjacent sides are 30cm and 16cm.tell answer

39. ## Physics

A body accelerates uniformly from rest and covers a distance of 180m in 6s. Calculate the magnitude of its acceleration. . solution S=ut+1/2at^2 180=0x6+1/2xax6^2 180=0+a/2x6^2 180-0=36a/2 180=36a/2 180x2=36a 360=36a 360/36=36a/36 10ms^-2=a acceleration is

40. ## chemistry

Dissolve 50g of sodium hydroxide in 1 litres and determine the normality

41. ## maths

A hostel provision of food for 28 days for 40 girls. How many days the food item will last if 16 new girls are admitted in the hostel

42. ## Science

How many grams of hydrogen chloride are percent in 250cm3 of comercial 37% by mass hydro chloric acid solution? The density of the acid is 1.19gram/cm3.

43. ## Algebra

You are playing with a pile of beads and notice if you put them in groups of 4 you have 3 beads left over, in groups of 5 you have 4 beads left over and in groups of nine you do not have any left over. What is the smallest number of beads. Left over

44. ## physics

the takeoff speed for a large airplane is 180 mi/hr(roughly 80m/s0 the plane is capable of accelerating at a rate of 4m/s^2 assume that the plane starts at rest determine the minimum runway length required for this plane to safely take off a smaller

45. ## Math

If a submarine dives 25 feet every second, it will take 8 minutes, 37 second to reach the ocean floor. How deep is the Pacific ocean?

46. ## physics

a person uses a slingshot to launch a rock upward with a velocity of 30m/s how long does it take to reach a height of 20m what maximum height does the rock reach, what is the velocity of the rock at this height, what is the velocity of the rock just before

47. ## physis

. Two similar blocks of iron and wood, are immersed in water. Will they have same upthrust?

48. ## Maths

What is the only place in the world who has Fahrenheit and Celsius can be equal

49. ## math

paul is twice as old as john.17years ago their age was 33.how old is paul?

50. ## Math

Two forces of magnitude 8N make angles of 30°and120°with x axis magnitude of y component of resultant will be

51. ## math

Ravinder surveyed 36 student in the school. nine of them said they would attend the dance. if the school has 900 students, how much can Ravinder expect to attend the dance.

52. ## physics

a driver starting from rest accelerates at a rate of 1.5m/s^2 for 20s until reaching a certain speed she then continues driving at this constant speed for an additional 20s what maximum speed does the driver attain what total distance does the driver cover

53. ## home economics

What are the factors to consider when making cushions

54. ## CBSE

If the cost of 8 apples is \$160, what is the cost of 5 apples?

55. ## Math

Alger is 7 years younger than abegail and the product of their age is 144.how old is each?