# Questions Asked onDecember 26, 2012

1. ## maths

Maya , Madhura and Mhsina are friends studying in the same class. In a class test in geography Maya got 16 out of 25. Madhura got 20. Thier average score is 19. How much did Mohsina score

2. ## chemistry

If 35.0 g H2O at 22.7 °C is combined with 65.0 g H2O at 87.5 °C, what is the final temperature of the mixture? The specific heat capacity of water is 4.184 J/g×K. Chemistry

3. ## Pre Calc 12

Four consecutive integers have a product of 360 Find the integers by writing a plynomial equation that represents the integers and then solving algebraically.

4. ## chemist

If 50.0 g of benzene, C6H6, at 25.0 °C absorbs 2.71 kJ of energy in the form of heat, what is the final temperature of the benzene? The specific heat capacity of benzene is 1.72 J/g ⋅K.

5. ## Statistics

A lock on a bank vault consists of 3 dials, each with 30 positions. In order for the vault to open, each of the three dials must be in the correct position. How many different dial combinations are there for this lock?

6. ## Math

At a festival, 2/7 of the number of girls was equal to 3/5 of the number of the boys. There were 165 fewer boys than girls, how many children were at the festival in all?

7. ## Math 8

Isabelle has a choice of 3 colors of pants, 5 colors of shirts, and 3 kinds of shoes. How many different outfits can she wear? a. 12 c. 22 b. 11 d. 4

8. ## Math

Jaden wants to cover the floor with square tiles the same size. The floo measures 315 inches by 108 inches. If she uses only whole tiles, find A) the greatest possible length of each tile B) the number of tiles needed to cover the floor.

9. ## Math

45 divided by 5/11 4/7 divided by 7/8 2 1/2 divided by 4 5/7x =140 Please help Thanks

10. ## bio check my answer plz???

Ideally, sustainable development should ___________. A)put the protection of the environment ahead of human needs B)provide for human needs at the expense of the environment C)use more natural resources to make goods to meet human needs D)preserve

11. ## Algebra 2 ..

1)When Twinkle Toes Tony kicked a football, it landed 100ft from where he kicked it. It also reached a height of 125 ft. Write an equation that, when graphed, will model the path of the ball from the moment it was kicked until it first touched the ground.

12. ## math

Each rabbit constume needs one and one half yards of white fur fabric. a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. If Gail has ten yards of white fur fabric, seven yards of blue striped fabric, and one and three

13. ## Child development

A correlation coefficient can range in value from A. +1.00 to -1.00 B. -1.00 to 0 C. 0 to +1.00 -100 to +100

What happens during photosynthesis? A)Heterotrophs consume ATP. B)Heterotrophs produce ATP. C)Autotrophs consume carbohydrates. D)Autotrophs produce carbohydrates. I think its D.

15. ## math problem triangle inequality help

Two sides of a triangle are 11 and 17. How many possible lengths are there for the third side, if it is a positive integer? I tried listing them all but I get confused...Please help thank you!

16. ## math

13. A set of final exam scores in an organic chemistry course was found to be normally distributed, with a mean of 73 and a standard deviation of 8. What is the probability of getting a score higher that 71 on this exam?

17. ## Strategic Management

Effective strategic management involves all levels of management. True of false

18. ## maths-Arithmetic progression

A ladder has rungs 25 cm apart.The rungs decrease uniformly in length from 45 cm at the bottom to 25 cm at the top.If the top and the botom rungs are two nd a half metre apart, what is the length of the wood required for the rungs

The built~in purpose of each letter should be to:

20. ## physics

three point charges-1*10^-6,-2*10^-6,3*10^-6.one kept at corners of an equilateral triangle of side 1m.what is potential at centre

21. ## chemistry

Element x is composed of isotopes x-56 mass 56.0 u and x-59 mass 59.0 u. What is the percentage abundance of each of these isotopes if the atomic mass is 57.3 u?

If purple flower color is dominant and red flower color recessive, how many phenotypes are possible in offspring of homozygous purple crossed with homozygous red? 1 2 3 4 I put 1.

23. ## Math

Josie spent 4/7 of the money in her purse on some books, and the rest of the money on 18 markers. Each marker cost \$1.20. How much money was in Josie's purse to begin with ?

24. ## collage math

f(x)=x^3+3x find the rate of change between the two stated values x:1 to 2

25. ## algebra

12square root(-10)^12

26. ## problem

10x^4-85x^2+150

27. ## music

What is the diameter of the head joint of the flute? 2 cm 1.7 cm 120 cm 1.2 cm

28. ## English

Three by clay Bennett. The editorial cartoonist uses images to help you

29. ## math

9(a+b)^2-(a-b)^2 how would you factor that?

30. ## music

How are the keys mounted? with pliers with a hammer with rubber bands with straight springs my answer is a

31. ## Child development

What is an advantage of a cross-sectional design?

32. ## English

What public health issue starts the escalation of misery in "top of the food chain"?

33. ## Statistics

Please can some one help me with the following: A fisherman finds that approximately 17% of all his fish go bad by the time he takes them to the market. The fisherman catches 1,000 fish. A. How many will go bad by the time he takes them to the market? B.

34. ## umt lahore pakistan

a ball fired verticall an intial spedd of 30m\s At K=U K=u\4

35. ## maths

Find the mass of a hollow sphere of lead,with external diameter 10 cm and thickness 2 mm,if 1 cm^3 of lead weighs 11.4 gm.

36. ## maths

Add four to six times a number to get exactly six four.

37. ## maths

due to competition,a trader allows a discount of 15% on the marked price of his commodity and still makes a profit of 19% on the cost price.had he sold his commodity at the marked price,what would have been his profit percent

38. ## Maths

AB is a chord with centre O and radius 4 cm. AB is of length 4 cm and divides the circle into two segments. Find d area of minor segment. A chord PQ of length 12cm suntends an angle of 120 degree at the centre of a circle. Find the area of minor segment

39. ## Math

A bicycle wheel, diameter 56 cm, is making 45 revolutions in every 10 seconds. At what speed, in kilometer per hour. Is the bicycle travelling?

40. ## physics

A person listening to a tone of 500 Hz sitting at a distance of 450m from the source of the sound. Calculate the time interval between successive compressive from the source.(velocity of sound=330m/s) [class 9th]

41. ## Math!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Solve the following exponential equations. 8(6^2x+5)=7^3x-4

42. ## maths

How can we find root of numerical numbers

43. ## Chemistry

Calculate the number of grams of solid Mg(OH)2 that will dissolve in 650 mL of water. For Mg(OH)2, Ksp = 1.5 x 10-11. Assume no volume change for the solution when the solid is added. A. 0.0093 B. 0.0059 C. 0.012 D. 0.019 E. 0.060 I got 0.0059, but I'm not

44. ## chemysteryyy!!!!

Rubbing Alchol often contains propanol, C3H7OH. Suppose that you have an 85.9g sample of propanol. a) Howmany carbon atoms are in the sample? b) Howmany hydrogen atoms are in the sample? C)Howmany oxygen atoms are in the sample? PLEASE!! explain the steps

Lee Corp. purchased 10 key chains on January 1, 2010 for \$9.00 each and 5 key chains were purchased on December 1, 2010 for \$10.00. Seven were sold. What would be the inventory amount for LIFO, what would be the inventory amount for FIFO

46. ## math

Twenty-seven greater than five divided by a number is eight.

47. ## math

in my math book i got a question that said order these number from least to greatest 0.09,3/25,8,0.1. My answer is 0.1,8,0.09,3/25 am i correct. Thanks.

48. ## math

20. Miguel is driving his motorboat across a river. The speed of the boat in still water is 11 mi/h. The river flows directly south at 2 mi/h. If Miguel heads directly west, what are the boat’s resultant speed and direction?

49. ## Algebra 2 ..

Solve by completing the square. 5x^2+10x-7=0 My answer: x= -1+ or - 2sqrt.of 10 all over 5

50. ## Algebra 2 ..

Describe the transformations. 1. g(x)=(2x)^2 2. g(x)=-1/2x^2

51. ## Math

Here is the other ones you didn't help me with ! 4/7 divided by 7/8 2 1/2 divided by 4 Thanks Please Help With All Of Them Thanks !

52. ## math

One bag contains 6 red chips and 5 yellow chips. Another bag contains 6 red chips and 4 yellow chips. A chip is drawn from each bag. What is the probability that both chips are yellow?

53. ## computers

sorry but do you know any fun websites that i could play educational games and games that are for fun?

54. ## Math 8

Isabelle has a choice of 3 colors of pants, 5 colors of shirts, and 3 kinds of shoes. How many different outfits can she wear? a. 12 c. 22 b. 11 d. 4

55. ## Math

Madison spent 5/8 of her savings on a microwave oven and a refridgerator. She used 4/7 of the amount she spent to buy the refrigderator. The refridgerator cost \$280 more than the microwave oven. How much savings did Madison start with ?

When writing something for the school's newspaper (high school) can you write funny stories that can get the reader's attention??? Just curious...

57. ## Chemistry

A mixture containing 0.5 mol of H2 (g) and 0.5 mol of I2 (g) was introduced into a 10L container at a temperature of 448 C. At this temperature the equilibrium constant Kp is 50. i. What is the total pressure in the container before the reaction starts and

58. ## Chemistry

A mixture containing 0.5 mol of H2 (g) and 0.5 mol of I2 (g) was introduced into a 10L container at a temperature of 448 C. At this temperature the equilibrium constant Kp is 50. i. What is the total pressure in the container before the reaction starts and

59. ## English

Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow. People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

Y=192 +0.04

Y=192 +0.04y

62. ## science

who discovered the concept of density?

63. ## math

A crate weighing 400N rests on aplane inclined at an angle of 20 degrees to the horizontal. there is a force of friction of 120N acting up the ramp. Determine (i) the resultant force acting on the crate, (ii) the contact,or normal force between the ramp

64. ## cooking

When making a birthday cake, how can I make the cream?

65. ## Math Fractions

Nadia 4/9 h to complete her Language Arts homework and 2/9 h to complete her mathematics homework. Which takes longer? How much longer? I just need to know am I right or wrong? I calculated Wednesday to have 3 inches of snow. Which is 2 inches more than

66. ## Pharm Tech

If you want to know what dose forms are available for a particular drug, you would look in this section of a drug monograph? A. Adverse Reaction B. Warnings C. Dosage and Administration D. How Supplied

67. ## ACC/490

I need a summary of mt hood furniture pps sampling problem

68. ## Math

Eliza and Jamie are making cup ckaes for a bake sale at school. Eliza need 2 1/3 cup of flour for her recipe and Jamie needs 1 3/4 cup for her recipe. They have 4 cups of flour. Do they have enough flour for both recipes ? Do I turn them into decimals then

69. ## APUSH

Race relations were _____ during World War 1: a. improved thanks to the efforts of government programs b. had moments of violence, but predominately improved material wealth for blacks in the north c.were among Wilson's top priorities; he had strong

Being inventory of 12 sets of paints at a cost of \$1.50 each. During the year the store purchased 4 sets at \$1.60, 6 sets at \$2.20, 6 sets at \$2.50, and 10 sets at \$3.00. By the end of the year, 25 sets were sold. Caculate the number of paint sets in stock

71. ## Pre Calculus

mx3-nx2+5x-1 is divided by x-2 the remainder is -39. When divided by x-1 the remainder is 3. What are the values of m and n. Didn't know how to do the superscript for mx3

72. ## 8th grade math for Ms. Sue

How is an inequality different from an equation? Give a real-world scenario in which you would write an inequality rather than an equation. I don't know how to solve this or what the answer is. Please help!

73. ## statistics

Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still operating with a probability of .70 and has failed with a probability of .30. What is the probability that between 25 and 30