1. Statistics (Check Work)

Can Someone help me with these 2 problems? I am certain I am solving them correctly, but for some reason the computer keeps marking my answers as incorrect. Question 1: Minnesota had the highest turnout rate of any state for the 2012 Presidential election.

2. Physics

Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1500 kg and was approaching at 9.00 m/s due south. The second car has a mass of 700 kg and was approaching at 15.0 m/s due west. (a) Calculate the final

3. English- Miss Sue

1.Revise the following sentences so that the subject and verb of each sentence identify key actors and actions: •The dedication of professors to multiculturalism is crucial to encouraging students of all races to succeed. •Currently, the percentage of

4. Chem

How much methane, in grams, must be burned to release 542 kJ of heat? H=-802kJ

5. physics

One mole of titanium (6 1023 atoms) has a mass of 48 grams, and its density is 4.54 grams per cubic centimeter, so the center-to-center distance between atoms is 2.60 10-10 m. You have a long thin bar of titanium, 2.4 m long, with a square cross section,

6. writing

4. Read the word in parentheses; then decide which of these sentences most effectively translates an abstract concept into a mental picture. A. (Rumors) Whispers of doubt filled the empty halls like the reek of boiled cabbage. B. (Studious) Lucy lay on her

7. Physics

A hydrogen atom is at the earth's surface. The electron and proton in the atom are separated by a distance of 5.29x10^-11m. What is the ratio of the magnitude of the electrical force exerted by the proton on the electron to the weight of the electron?

8. statistics

A sample of 40 CDs from a student's collection showed a mean length of 52.74 minutes with a standard deviation of 13.21 minutes. Construct a 95% confidence interval for the population standard deviation. (Round your answers to 4 decimal places.)

9. Chemistry

When 4.76 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the temperature of the water rose by 4.73°C. How many grams of each substance was in the mixture?

10. science..physics

An athlete runs from one end to the other end of a semicircular track whose radius is 70m.what is the total distance covered by the athlete and what is his displacement?

11. math

the millions period has three different odd digits whose sum is 21. all the other digits are zeros. what is the number ? thank you

12. Law

1. Which of the following statements best reflects the U.S. Supreme Court’s position on parole? A. Parole is a right, and the full range of due process rights must be afforded at parole-granting hearings. B. Parole is a privilege, and the full range of

13. Chemistry

What is the reaction between mno4- and c2o42- and is there a colour change in this reaction?

14. math

A \$15,000 debt is to be amortized in 12 equal semiannual payments at an annual interest rate of 11% on the unpaid balance. Construct an amortization table to determine the unpaid balance after two payments have been made.

15. english

plz help me i want small dialogue Between two friends-the one a believer, and other a disbeliever, in ghost stories.

16. english 2

People who attract a lot of friends are neither negative nor needy.

17. English

•Socrates was a prominent influence in Plato's education. Socrates taught Plato the importance of ethical inquiry. Socrates also helped shape Plato's political philosophy. Answer :Socrates was a prominent influence in Plato's education, as he taught

18. calcus

A car travels 6 miles north and then turns right and travels 8 miles east to reach the garage. What is the straight line distance between the starting point and the garage?

19. math

the billions period has three different even digits whose sum is 12. each of the other places is occupied by 8. what is the number? thank you

20. math

The cost of a regular price ticket to Saint Louis Cardinal baseball game as \$60. During the world series, the price increased by 2/5. What did the fans pay?

21. math

A student is chosen at random from a class of 10 boys and 20 girls. What are the odds that a girl is not chosen?

22. Math

Sara had just rented her first apartment starting December 1 before beginning college in January. The apartment had washer and dryer hook-ups, so Sara wanted to buy the appliances to avoid trips to the Laundromat. The Saturday newspaper had an

23. math

How much is 7.25 kg at \$20 per kilogram?

24. math psp

A number is300 when rounded off to the nearest hundred.what is the greatest possible value of the number

25. Literature-Help me Ms. Sue

What does the word mimetic tell us about the difference between novels and most of the literature of the 1800s? A. Novels present fantasy as reality. B. The authors were new and unknown C. Novels presented common things in new ways. D. Novel were unique in

26. Physics

What is the total pressure, in atmospheres, of a 10.0 L container that contains 10 moles of nitrogen gas and 10 moles of oxygen gas at 300 K? I tried using PV=nRT and added both P together but kept getting the wrong answer. n=10, T=300 K, V=1x10^-3 m^3

27. Law

1. Which of the following represents the first step involved in an offender’s parole release? A. Parole agreement B. Offender is recommended for parole C. Parole board hearing D. Release from prison is it C 2. Which of the following is NOT a major

28. Law

Which of the following is NOT a retentionist position used to justify the death penalty? A. Protection B. Just deserts C. Relief D. Revenge is it B 2. What role do victims typically play in parole board hearings in the United States? A. Victims are

29. Physics

A golfer, putting on a green, requires three strokes to "hole the ball." During the first putt, the ball rolls 5.9 m due east. For the second putt, the ball travels 2.4 m at an angle 20° north of east. The third putt is 0.50 m due north. What displacement

30. Law

1. How long does parole typically last in the United States? A. 1-3 years B. 2-7 years C. 3-10 years D. 5-15 years is it B 2. What does the prosecutor’s gatekeeper function imply? A. If a prosecutor declines to seek the death penalty, a jury may still

31. physics

The velocity of a sprinter is 9m / s. After 4 seconds, his velocity become zero. If acceleration is taken to be uniform. Find its value

32. math

Sara had just rented her first apartment starting December 1 before beginning college in January. The apartment had washer and dryer hook-ups, so Sara wanted to buy the appliances to avoid trips to the Laundromat. The Saturday newspaper had an

33. physics

a body travel a distance of 15 m from a to b and them moves 20 m at right angles to ab. calculate total distance covered and displacement.

34. science

As the United States is one of the largest contributors to atmospheric carbon emissions, what specific policies might the United States enact to reduce its impact on global climate change? Using at least two scholarly or reputable resources and your

35. science

a body travel a distance of 15m from a to b and them movrs 20 m at right angles to ab. calculate the total distance covered and displacement. (

36. physics

An athlete runs from one end to the other end of a semicircular track whose radius is 70m. What is the total distance covered by the athlete and what is his displacement?

38. science

if a solution is made by adding 83 grams.of soduim hydroxide to 750 ml.of water what is the percent by mass of sodium hydroxide in the solution?

39. Statistics

1. In a study of heart disease in male federal employees, researchers classified 170 volunteer subjects according to their socioeconomic status (SES) and their smoking habits. SES categorized as high and low. Individuals were asked whether they were

40. health care

Discuss an area in mental health services into which health information managers may expand their roles.

41. Math

Jack is 19 years older than Tom. Together their ages 161 years . What are their ages

42. math

Barry heard in his Personal Finance class that he should start investing as soon as possible. He had always thought that it would be smart to start investing after he finishes college and his salary is high enough to pay the bills and to have money left

43. math

Nancy Tai has recently opened a resolving charge account with MasterCard. Her credit limits is \$ 1,000, but she not charged that much since opening the account. Nancy hasn't had the time to review her monthly statement promptly as she should, but over the

44. math

I am five digit number greater than 60 000 but less than 70 000: my ones digit is 1 less than my ten thousands digit. All my digits are the same. The sum of my didits is 23.

45. maths

1. Log10²x+log10x²=log10² 2-1 2. Log4(log2x)+log2(log4x)=2 3. X^logx+5/3= 10^5+log x 4. Log 1/2(x-1)+ log 1/2(x+1)-log1/√2(7-x)=1

46. Algebra

Find the GCF 12x^3 and 20x^2. 4x^2????

47. Math

a rectangle's width is one-seventh its length, its perimeter is 160m. find the dimensions of the rectangle.

48. math

find the product and write in lowest term. -3/7(14/15)

49. math

a rectangle's width is one-fifth its length, its perimeter is 60m. find the dimensions of the rectangle

50. Physics

1. What happens to the force required for an object to maintain circular motion if the period is halved (goes around twice as fast around the circle)? a) force doubles b) force quadruples c) force is halved d) force is quartered my answer: c 2. Which is

51. maths

Find the two numbers whose differences is 8 and the sum of their squares is a minimum Is 11^(1/2) a rational number??? Pls help

52. math

A bracelet is made of yellow, green, blue, purple and red beads in that order. the first bead is yellow, and the last bead is blue for each color. what is the maximum number of beads that are in the bracelet if it contains fewer than 90 beads.

53. math

the billions period has three different even digits whose sum is 12. each of the other places is occupied by 8. what is the number?

54. maths

1.Log10(x²-12x+36)=2 2.log4 log3 log2 x=0 3.log3 [log9x+1/2+9x]=2x 4.2log4(4-4)=4-log2(-2-x)

55. Algebra 1

How do you find the zeros? g(x) = x3 – x2 – 4x + 4

56. Math

Simplify the following exponential expression. 120a^4b^2/-24a^9b^-15

57. Math

3(t-3)-5(4t-3)=5-7(6t+1)

58. Math

simplify and write scientific notion for the answer. Use the correct number of significant numbers. 1.9 * 10^-6/ 9.5 *10^4 The answer that i got was 1.6 * 10^-11

Limit as x approaches zero (1/x-1/tanx)

60. math

simplify and write scientific notion for the answer. Use the correct number of significant numbers. (2.74*10^5)(2.2*10^-13) The answer that i got was 6.03 * 10^-19

61. Derivatives

Find the derivative of xsecy+y^5=5x^3-7

62. Algebra

divide and simplify the radical (3+ sqrt18)/4 sqrt12 I'm not sure how to conjugate the denominator?

63. science

To have a high work effiency of concrete batching plant,we need to know the maintance of it to extend its useful life.We have study this for a long time and it includes two aspects. One is lubricating the shaft of concrete batching plant when it works

64. Physics

how might life be different if static friction did not exist? give three examples and reference formulas to support your answers I have three examples but I do not understand what the questions mean by reference formulas

65. maths

I am large as a castle,yet lighter than air .100 men and their horses cannot move me.What am I?

66. maths

A farmer in california owns a beautiful pear tree.He supplies the fruit to a near by grocery store.The store owner has called the farmer to see how much fruit is available for him to purchase.The farmer knows that the main trunk has 24 branches.Each branch

67. maths

Here on earth it is true,yesterday is always before today;but there is a place where yesterday always follows today.Where?

68. MATH

round off to the nearest billions. 1. 10,340,541,555 2. 23,501,300,500

69. biology

does dark reaction helps in transmittance and conservation of energy

70. CHEMISTRY

Is ostwald's viscometer use for measure coefficient of viscosity?

71. math

the million period has three different odd digits whose sum is 21.all the other digits are 21. what is the number?

72. math

what is the sum of ten percent of a number and another number in algebraic equation?

73. Algebra

Evaluate the limit of x-1 / square root of x - 2x as x approaches to 1. NOTE: 2X does not belong to the square root.

74. math

in a certain distribution the mean is 68, with a variance of 16. Using chebyshev's theorem at least what percentage of values will fall between 60 and 76

75. english 2

Either you can eat or talk, but you can't do both at the same time.

76. JEMS

Dennis wrote down a three digit number, The digit in the tens place is 2 more than the digit in the hundreds place. The digit in the ones place is 6less than the digit in the tens place. The digit in the hundreds place is odd number. What is the three

77. psychology

humans rely heavily on the sense of because evolution designed us to be more active during the day time than at night

78. math

john had 1/3 blue candy, 1/4 orange candy, 1/8 green candy. and the rest was orange. What percentage was red?

find the temperature of the hot reservoir of a carnot engine that has QH=1575j that does work on a 200kg crate, caussing it to go from rest to a velocity of 2.35m/s along the horizontal frictionless surface. Tc=100K

80. Algebra

2√3 times 4√21 the answer is 24√7 but I don't understand how you would get that.

Find the derivative of f(x) (csc(2x^2+1)^4

82. Integral question

1) find the integral from 1to -1 if(5sinx-2tanx+3x^5)dx 2) find the integral of x^3/(x^4+1)dx

83. Physics

1. A ball is launched from a cliff with an initial velcity of 10 m/s at an angle of 40 degrees above horizontal. If the ball lands 24 m away, determine the height of the cliff. 2. if the mass A is 1 kg and the mass of B is 6.0 kg, determine the

85. Calculus I

Hello! I am taking Calculus I and am in Sec. 4.3 of Stewart's 7th Edition. I ran across a problem that I don't understand the mechanics of, could someone show me? Thanks a bunch! For what values of the numbers a and b does the function f(x)= axe^{b(x^2)}

86. pol201

The heart of Martin v. Hunter’s Lessee was

87. Algebra

x^3 -5x-6=0 can you please tell me how to solve this algebraically? I tried using grouping method x(x^2-5)-6=0, I'm not sure what to do next.

88. maths

find the maximum valu of any of the function without using derivatives 16x+8x+7

89. chemistry

What is the concentration of a 1:2 dilution of a 0.6 M NaHCO3 solution?