# mm

Most popular questions and responses by mm
1. ## chemistry

If the freezing point of the solution had been incorrectly read 0.3degrees C lower than the true freezing point, would the calculated molar mass of the solute be too high or too low? Explain.

2. ## Physics- Car moving with speed of 22 m/s...

A car is moving with a speed of 22 m/s. The driver then brakes, and the car comes to a halt after 6.5 s. What is the distance covered by the car after the driver brakes, until it comes to a stop? a. 36 m b. 72 m c. 140 m d. 219 m

3. ## Maths

Almaz Has Taken 2 Tests.Her Average Score Is 7 Out Of 10.The product Of Her Scores Is 45.What Did She Score In Each Test?

Scheduled payments of \$1400 due today and \$1600 due with interest at 11.5% compounded annually in five years are to be replaced by two equal payments. The first replacement payment is due in 18 months and the second payment is due in 4 years. Determine the

5. ## maths

Ty received a separation payment of \$25 000 from his former employer when he was 35-years old. He invested that sum of money at 5.5% compounded semi-annually. When he was 65, he converted the balance into an ordinary annuity paying \$6000 every 3 months

6. ## Physics-Tension Force

A strong, weightless rope has a 0.15 kg mass hanging from the middle of it. What tension force will make the rope horizontal, corresponding to θ=0°?

7. ## Gyroscopes/Physics

Which of the following best describes the motion of a working gyroscope moving through space? a. the gyroscope both translates and rotates b. the gyroscope rotates, abut does not translate c. the gyroscope neither translates nor rotates d. the gyroscopes

8. ## math

what do you call it when someone pays back a loan quickly

9. ## Elastic Collisions-Physics

A 0.16 kg billiard ball moving at 1.20 m/s collides elastically with one of the same mass at rest. It continues at a speed of 0.6 m/s afterward in a different direction from before. What is the final speed of the other billiard ball? I thought it was 0.6

10. ## algebra

The number of years, N(r), since two independently evolving languages split off from a common ancestral language is approximated by N(r)= -5000 1n r, where r is the proportion of the words from the ancestral language that is common to both languages now.

11. ## maths

A \$25 000, 10% bond redeemable at par on December 1, 2025, is purchased on September 25, 2014, to yield 7.6% compounded semi-annually. Bond interest is payable semi-annually.

12. ## English

To find the main idea of an informational text, look for A. who wrote the article and what company/universit they are from. B. Why the text was written C. What the author talks a lot about throughout the text D. None of these Which of the folllowing is not

13. ## Physics

A 0.145 kg baseball is thrown at a launch angle of 30° and strikes the ground at 18 m/s. How fast would it be moving when it reaches the ground if it's launch angle were 45°? Ignore air resistance. A. 340 m/s B. 210 m/s C. 16 m/s D. 18 m/s

14. ## math

what is the purpose of using fraction strips and a 1 strip

15. ## Inflation and Actual Rate of Return

Becka borrowed \$500 from her cousin at the rate of 9% per year. If the inflation rate was 2.9% that year, what is her cousin's actual rate of return on the loan?

16. ## APR Problem

Joshua borrowed \$1,900 for one year and paid \$95 in interest. The bank charged him a service charge of \$22. If Joshua paid the \$1,900 in 12 equal monthly payments, what is the APR? (Enter your answer as a percent rounded to 1 decimal place.) So, I got

17. ## us history

discuss specific problems or injustices that were present in american life during the late 1800s and early 1900s? Explain how reforms proposed during the Progressive Era attempted to address these problems.

18. ## Physocs- Components of Resultant Vectors

The force vector A has components Ax= 5N, Ay= -3N. The force vector B has components Bx= 5N, By= 4N. What are the component of the resultant force vector C=A+B?

19. ## chemistry 101

How many grams of NaCl are dissolved in 250 grams of normal saline solution

20. ## English

In the Story "The Bracelet" By Colette what is the theme in the story? A. Age is just a number B. The joys of youth are fleeting C. Diamonds are a girl's best friend D. A Bird in the hand is worth two in the bush

21. ## Maths

Almaz Has Taken2 Tests.Her Average Score Is 7 Out Of 10.The Product Of Her Score Is45. What Did She Score In Each Test?

22. ## Physics- Baseball thrown upwards, accleration

When a baseball is thrown straight upward, what is its acceleration at its greatest height? a. 9.8 m/s2 upward b. 9.8 m/s2 downward (my answer?) c. 0 m/s2 d. 9.8 m/s2 horizontally

23. ## maths

Sigrid contributed \$200 every month for nine years into an RRSP earning 4.3% compounded annually. She then converted the RRSP into an annuity that pays her monthly for 20 years. If the first payment is due one month after the conversion, and interest on

24. ## Physics- Accleration of a Falling Penny

A visitor to the observation deck of a skyscraper manages to drop a penny over the edge. As the penny falls faster, the force due to air resistance increases. How does this affect the acceleration of the penny? a. The acceleration decreases b. The

25. ## Physics- Equilibrant Force

Two movers are pushing a large crate with a force of 50.0 N each. One pushes north, the other east. What is the equilibrant force? a. 71 N Southwest b. 50 N Northeast c. 100 N Southeast d. 71 N Northeast

26. ## Physics

A baseball with a mass of 0.145 kg is thrown straight down at the ground. At a particular speed, it has a drag force of 0.4 N acting on it. What is its acceleration at that time? a. -7.0 m/s2 b. -2.8 m/s2 c. -9.8 m/s2 d. -12.6 m/s2

27. ## maths

Mr. and Mrs. Fox have each contributed \$1825.00 per year for the last eight years into RRSP accounts earning 6.93% compounded annually. Suppose they leave their accumulated contributions for another five years in the RRSP at the same rate of interest. a)

28. ## Chemistry

What is the concentration of nitrate ions in a solution that contains M aluminum nitrate?

29. ## Physics- displacement, velocity, etc.

25. Maria is standing at the edge of a cliff that is 10 m high over a canyon. She throws a rock upward off the side of the cliff. Right before the rock reaches the canyon floor, it has a speed of 25 m/s. a) What was the rock’s total displacement? 10

30. ## English

In "The Second Coming," what is Yeats' prophecy for modern civilization? a. World War II will kill millions of civilians and soldiers b. The United States will become the dominant world power c. Western civilization will enter a period of decline d.

31. ## English

As you research, verify the facts you find by consulting______. A.Mutilple sources B.Yor English teacher C.The encyclopedia D.The preface Secondary sources______. A.Provide firsthand testimony and direct evidence B.Interpret and analyze primary or other

32. ## Mathematics

Find the maximum or minimum values of sin x+sin y+sin(x+y)

33. ## Chemistry

what tests can be run to identify the cation and anion of an ionic compound?

34. ## college chem

A 1.10g- sample contains only glucose and sucrose . When the sample is dissolved in water to a total solution volume of 25.0ML , the osmotic pressure of the solution is 3.78atm at 298K a.What is the percent by mass of glucose in the sample? b.What is the

35. ## math

Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be when she is twice as old as her brother?

36. ## Statistic

IQs among undergraduates at Mountain Tech are approximately normally distributed. The mean undergraduate IQ is 110. About 95% of undergraduates have IQs between 100 and 120. The standard deviation of these IQs is about A. 5 B. 10 C. 15 D. 20 E. 25

37. ## Chemistry

what intermolecular forces are present in each: Potassium nitrate, Naphthalene, and benzoic Acid?

38. ## economics

Every year Christmas tree vendors bring tens of thousands of trees from the forests of New England to New York City and Boston. During the last two years, the market has been very competitive; as a result, price has fallen by 10 percent. If the price

39. ## maths

Mr. and Mrs. Fox have each contributed \$1825.00 per year for the last eight years into RRSP accounts earning 6.93% compounded annually. Suppose they leave their accumulated contributions for another five years in the RRSP at the same rate of interest.

The B Company has a policy of requiring a rate of return on investment of 16%. Two investment alternatives are available but the company may choose only one. Alternative 1 offers a return of \$50 000 after 4 years, \$40 000 after 7 years, and \$30 000 after

41. ## Physics- Object Reaches Maximum Height

When an object that has been thrown into the air reaches its maximum height, which is true? a. its velocity is zero. b. it is at its terminal velocity. c. it is not in free fall. d. its acceleration is zero.

42. ## APR Problem

After visiting several automobile dealerships, Richard selects the car he wants. He likes its \$11,000 price, but financing through the dealer is no bargain. He has \$2,200 cash for a down payment, so he needs an \$8,800 loan. In shopping at several banks for

43. ## Physics

A curve of radius 59.9 m is banked so that a car of mass 1.4 Mg traveling with uniform speed 50 km/hr can round the curve without relying on friction to keep it from slipping on the surface. At what angle is the curve banked? The acceleration due to

44. ## English

Does the word Promethean need to be capitalized or lower case letter? It is called a promethean board.

45. ## Physics- Energy Released In Chemical Reaction

The reaction between two hydrogen isotopes is shown below: 2H + 3H → 4He + n + energy released The energy released in this reaction is: a.equal to that in a fission reaction b.equal to that in a chemical reaction. c.less than that in a chemical reaction.

46. ## statistics

A large group of students has taken a college entrance exam. The scores on the exam are such that the mean = 52 and the standard deviation = 11 Find the probability that a student, selected at random, earned a score lower than 63.

47. ## Physics

A converging thin lens made out of crown glass (n=1.52) has a focal length f=1.0m An identical lens (same radius for the spherical surfaces), made out of a high-index plastic with n=1.70 will be ... A. Converging with a focal length smaller than 1.0 m B.

48. ## English

What is the most important reason to consider typography when creating a procedural text? A.It provides white space around the text. B.It makes the document look nice. C.It adds variety to the document. D.It helps the reader find important information.

49. ## Economics

what two methods can a less developed country use to finance its economic development? A.internal financing & debt rescheduling B.Interal financing & foreign investment C.Foreign investment & debt rescheduling D.Infrastructure & foreign banks

50. ## algebra

A college is planning to construct a rectangular parking lot on land bordered on one side by a highway. The plan is to use 520 feet of fencing to fence off the other three sides. width length

51. ## History

True Or False; The Political machines of the large cities determinded what type of projects would be funded by tax dollars and for the most part they were honest organizations, The U.S. government's treaties were just ways of moving the Native Americans

52. ## algebra

The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of its speed and inversely as the radius of the curve. If 182lb of force keep a 1800lb car from skidding on a curve of radius 600ft at 30 mph,

53. ## Chemistry

What physical properties can you use to verify the identity of a compound?

54. ## Economics

In 1973, Members of the Oraganization of Oil-Exporting Countries (OPEC) reduced oild exports, which more than quadrupled oil prices. what effect did that have on less developed nations? a. Their development increase rapidly because if the profits they made

55. ## Physics- Velocity, Displacement, etc.

A child boards a bus for summer camp. His mom is waiting next to the bus. The bus begins moving 3 m/s east with respect to the ground. The child is walking 0.5 m/s west towards the back of the bus with respect to the bus. The mother begins running 1 m/s

56. ## Physics

A river has a current of 4 m/s south with respect to the shore. A swimmer is swimming in the river (which is redundant). a. If the swimmer is swimming 2 m/s north with respect to the water, what is his velocity relative to the shore? b. If the swimmer is

57. ## Physics

Two objects attract each other gravitationally with a force of 2.1×10−10 N when they are 0.21 M apart. Their total mass is 4.00 KG Find their individual masses. .

58. ## Physics

Based on the data from both experiments, predict how the angle of slip might change as the weight of the block increases. a. The angle of slip has no correlation to the weight of the block b. As the weight of the block increases, the angle of slip will

59. ## Government

the role of the house rules committee is played in the senate by the a. president pro tempore b. president of the senate c. whip d. majority floor leader House leaders may use any of these calendars to schedule debate on a bill except: A)Union Calendar

60. ## Statistics

A student makes random guesses on 6 multiple-choice questions. One of the 5 choices in each question is correct. What is the probability that the student will get at most 4 answers right?

61. ## English

A theme is best described as? A. A moral lesson presented in a work of literature B. The central idea or insight about life revealed in a literary work C. The subject of a work of literature D. A series of related events in a literary work I picked B but

62. ## English

the theme of Espada's poem involves A. The sensitivity of children B. The importance of place C. the distortions of memory D. The suffocating quality of city life

63. ## English

What was not considered a part of the Harlem Renaissance? a.literature b.art c.music d.architecture

64. ## Math

One-fourth of the world's population is Chinese and one-fifth of the rest is Indian. What percent of the world's population is Indian?

65. ## us history

i don't get what the task means when it says discuss problems or injustices that were present in american life...what does injustice mean ...can some one explain it

66. ## us history

I need help on writing an dbq for us history

67. ## Stast

Mean=15.854, Median=15.99, Mode=16.21, SD=0.661381 1) what is the probability that a randomly chosen bottle will contain 16 ounces of soda? 0.22075, 0.587357 2)What is the value of soda associated with a Zscore of -1.5

68. ## Physics

Newton's laws of motion work best for objects under which conditions. a. very slow and fast moving. b. very large and slow moving. c. very small and slow moving. d. very large and fast moving.

69. ## Physics- Equilibrium

Which of the following is in equilibrium? a. an object that was thrown straight upward at the moment it has zero velocity (my answer) b. an object moving in a circle at constant speed c. an object that moves at constant velocity d. an object that moves at

70. ## Physics

A bicycle and rider travel along a road. Which of the following statements is true? a. Only the rider undergoes a translation. b. Only the bicycle undergoes translation. c. Neither the bicycle nor the rider undergoes a translation. D. The bicycle and rider

71. ## Calculus

A solid is formed by adjoining one hemisphere to the top of a cylinder. The total volume of the solid is V (treat as a constant) cubic centimeters. Find the minimum surface area of the solid in terms of V.

72. ## U.S. History

The new morals and manners of the 1920s were reflected in A. women's fashion B. the great migration C. the new factory jobs D. Politics Americans responded to the Selective Service Act A. with enthusiasm B. with antiwar riots C. by refusing to register D.

73. ## Government

The anti-federalist were against ratification of the constitution mostly because? A. they were anarchists B. their experiences under British rule C. they felt the states should have less power D. they were against proportional representation I think well A

74. ## Economics

Aside from humanitarian concerns, which of the following is one reason on nation is motivated to provivde foreign aid to a less developed country? A. Foreign aid is tax deductible B. The nation providing foreign aid decreases its unemployment. C. The

75. ## Chemistry

Bill and Bob have been testing a new aluminised PET (Polyethylene Terephthalate) film and they now use the material to make helium filled balloons. Bill’s balloon is less inflated than Bob’s, and the latter jokes about it. However, Bill insists he has

76. ## Chemistry

what are the relative strengths of the different intermolecular forces?

77. ## algebra

the weight w of an aluminum flatboat varies directly with the L length of the boat. If a 8-ft boat weighs 120 pounds, then what is the weight of a 7 ft boat?

78. ## math

equilateral triangle is increasing at a rate of √3 cm/min. find the rate at which its area increasing when its edge is 12 cm long

79. ## English

which of the following statements does NOT describe a memoir: a) the characters are actual people b) it is a purely factual account c) it is based on memories, not history d) non of the above

80. ## Statistics

Quick question, can an obtained value be negative?

81. ## Chemistry

Bill and Bob have been testing a new aluminised PET (Polyethylene Terephthalate) film and they now use the material to make helium filled balloons. Bill’s balloon is less inflated than Bob’s, and the latter jokes about it. However, Bill insists he has

82. ## Physics

A light ray strikes a flat, L = 3.7 cm thick block of glass of refractive index 1.47 in the attached figure, at an angle of È = 340 with the normal. Calculate the lateral shift of the light ray, d.

83. ## us history/english

when told to include 5 documents how can i include do ..do i say according to document 1 .what can i say?

84. ## english

I need help writing a DBQ

85. ## us history

we..propose.."effective legislation to prevent industrail accidents ,occupational diseases,overwork,and unemployment...to fix minimum standards of health and safety in industry...and to provide a living wage throughout industry....." state 2 reforms that

86. ## ushistory

who were the bosses of the senate?

87. ## Physics

The picture shows a two-dimensional free body diagram of a truss with a pin joint at one end. The free body diagram at the pin joint should show: a. no forces at the joint b. only parallel force component c. only perpendicular force component d. both

88. ## Physics- Magnetic Field inside of coil

Current flows through the wire coil in the direction shown by the arrows. What is the direction of the magnetic field inside the coil? (Image shows arrow pointing up into the right side of the coil and pointing down at the left side of the coil) a. upward

89. ## Physics- Free Body Diagram; Truss with Pin Joint

The picture shows a two-dimensional free body diagram of a truss with a pin joint at one end. The free body diagram at the pin joint should show a. no forces at the joint b. only parallel force component c. only perpendicular force component d. both

90. ## algebra

The function D (t) = 16t^2 to the second power – 140t gives the distance a car going a certain speed will skid in t seconds. Find the time it would take for the car to skid 170 feet. The time to skid 160 feet is __________ seconds.

91. ## math

Proving Trigonometric Identities 1. sec^2x + csc^2x= (sec^2 x)(csc^2 x) 2. sin ^3 x / sin x - cos 3x / cos x = 2 3. 1- cos x/ sin x= sin x/ 1+ cos x 4. 2 sin x cos ^2 (x/2)- 1/x sin (2x) = sinx 5. cos 2 x + sin x/ 1- sin x= 1+ 2 sin x

92. ## biology

What is the function of macronucleus and micronucleus in a paramecium?

93. ## biology

Why are multicellular protista( seaweed) not classified in the plant kingdom?

94. ## U.S. History

The new morals and manners of the 1920s were reflected in A. women's fashion B. the great migration C. the new factory jobs D. Politics Americans responded to the Selective Service Act A. with enthusiasm B. with antiwar riots C. by refusing to register D.

95. ## English

What is a work's theme? A. Is absolute B. can be interpreted by differently by different readers C. is always implied D. is usually state in the title I would pick B or D but im not sure what a work theme even is

96. ## English

what question should you ask while reading a memoir? A. what prompted the author to write this? B. Why is the author focusing on this event? C. what am i supposed to take away from this memoir? D. All of the above

97. ## Economics

What is Foreign investment?

98. ## Physics

(True or False) One Kilowatt-hour is equal to the energy consumed by an electric device of 1 W for 1 hour

99. ## Social Studies

the first state constitutions adopted after independence? A.Placed most authority with the State governors B. provided for lengthy terms for elective offices C. placed most authority with the State legislatures D. extended voting rights to all adult state