1. Math

1) The hypotenuse of an isosceles right triangle is 8 cm longer than either of its legs. Note that an isosceles right triangle is a right triangle whose legs are the same length. Find the exact length of its legs and its hypotenuse. 2) The length of a

2. science

suppose that a population of skunks lives on an isolated island is 500 skunks are present today and the birth rate is 65 per week and the death is 47 per week how many skunks to you predict will be on the island 105 days from now and what would a graph

an artist is arranging tiles in rows to decorate a wall each new row has 2 fewer tiles than the row below it.if the first row has 23 tiles,how many tiles will be in the seventh row

4. Algebra

A candy store keeps track of its sales during the month of October. Below is the number of sales for the first, second, third, and fourth weeks of the month. Which graph could represent the data shown below? Week- 1,2,3,4 Candy Sales- 97,168,259,375

5. statistics

Ina study designed to test the effectiveness magnets for treating back pain, 35 patients were given a treatment with magnets and also a sham treatment without magnets. Pain was measured using a scale from 0(no pain) to 100(extreme pain) after the given

6. Calculus

The top and bottom margins of a poster are 2 cm and the side margins are each 4 cm. If the area of printed material on the poster is fixed at 386 square centimeters, find the dimensions of the poster with the smallest area.

7. Algebra

A school is keeping track of the number of tickets remaining for its end-of-year festival. Below is the number of sales for the first, second, third, and fourth weeks of the month leading up to the festival. Which graph could represent the data below?

8. Science

Which pair below has the most shared derived characteristics? a. horse, dolphin b. dolphin, spider c. cow, horse d. spider, cow C

9. science

suppose a species of beetles feed on grass on a grassland ecosystem toads prey on the beetle in which of the following scenarios would a predator become a limiting factor for the beetle population

the amount of revenue brought in by states from motor vehicle licenses increased at a relatively constant rate of 499.79 million dollars per year from 1990 to 2000. In 2000, the states brought in 15,099 million dollars in revenue from motor vehicle

11. Science

Study the image below. Which pair of organisms is most closely related according to this diagram? connexus dot com/content/media/917517-4162013-72230-PM-1259428156.jpg a. ferns and grasses b. crocodiles and birds c. fish and lizards d. horn worts and

12. Science

Which of the following is not used as evidence when constructing cladograms? a. ecological roles of present-day organisms. b. DNA sequences of present-day organisms. c. fossils of extinct organisms. d. body characteristics of extinct and present-day

13. Physics

A hockey puck of mass 0.16 kg, sliding on a nearly frictionless surface of ice with a velocity of 2.0 m/s (E), strikes a second puck at rest with a mass of 0.17 kg. the first puck has a velocity of 1.5 (N 31 E) after the collision. Determine the velocity

What is an equilibrant? (Points : 1) an object that has zero net force acting on it two chemical reactions proceeding at the same rate in opposite directions a force that makes the net force on an object zero a force in the same direction as the net force

15. physics

a 1.2 kg cart slides eastward down a frictionless ramp from a height of 1.8 m and then onto a horizontal surface where it has a head-on elastic collision with a stationary 2.0 kg cart cushioned by an ideal Hooke's law spring. the maximum compression of the

Two hockey pucks of equal mass approach each other. puck 1 has an initial velocity of 20.0 m/s (S 45 E), and puck 2 has an initial velocity of 15 m/s (S 45 W). after the collision, the first puck is moving with a velocity of 10.0 (S 45 W). Determine the

17. Physics- torque

A man ties one end of a strong rope 8.35 m long to the bumper of his truck, 0.506 m from the ground, and the other end to a vertical tree trunk at a height of 3.92 m. He uses the truck to create a tension of 8.32x10^2 N in the rope. Compute the magnitude

18. Physics

An electromagnetic wave in a vacuum traveling in the +x direction generated by a variable source initially has a wavelength of 2.65 x 10^-4 m and a maximum electric field Emax in the +y direction of 8.20×10^−3 V/m. What are the coefficients in the

19. Chemistry

The dipole moment (μ) of HBr (a polar covalent molecule) is 0.851D (debye), and its percent ionic character is 12.6% . Estimate the bond length of the H−Br bond in picometers.

20. physics

A father racing his son has 1/3 the kinetic energy of the son, who has 1/4 the mass of the father. The father speeds up by 1.8 m/s and then has the same kinetic energy as the son. What are the original speeds of (a) the father and (b) the son?

21. Calculus

A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus, the diameter of the semicircle is equal to the width of the rectangle.) If the perimeter of the window is 25 ft, find the dimensions of the window so that the greatest possible

22. chemistry

A mixture of NaCN and NaHSO4 consists of a total of 0.60 mol. when the mixture is dissolved in 1.0 L of water and comes to equilibrium the pH is found to be 9.9. Find the amount of NaCN in the mixture.

23. English

When the servers arrived, Jack gave them the information on today's specials. He talked enthusiastically about the fresh berries: "They look fantastic! I want to serve them with shortcake." 1. In the above passage, "talked" is an example of a(n):

24. Chemistry

The dipole moment (μ) of HBr (a polar covalent molecule) is 0.851D (debye), and its percent ionic character is 12.6% . Estimate the bond length of the H−Br bond in picometers.

25. Physical Science

1. Which equation correctly shows beta decay? (A) 210/82 Pb -> 209/81 Tl + 0/-1 e + y (B) 210/82 Pb -> 209/83 Bi + 0/-1 e + y (C) 210/82 Pb -> 210/83 Tl + 0/-1 e + y (D) 210/82 Pb -> 210/83 Bi + y (E) 210/82 Pb -> 210/83 Bi + 0/-1 e + y 2. The half-life if

26. Health (Ms. Sue)

Describe an effective refusal method you could use if someone were to tell you, "Here, try these new cigarettes, almost everyone in our school smokes these." A: I would use refusal skills and simply respond by saying, "No, thank you. I would rather be

At a supermarket, pineapple juice sells at \$1 per pint (16 ounces). Greg wants to buy eighteen 40-ounce cans of pineapple juice from the supermarket. How much dose he have to pay altogether?

28. Health (Ms. Sue)

List five benefits both smokers and smokeless tobacco users can expect after quitting. A: Whether a person had used tobacco or not, choosing to live without tobacco dramatically improves a person’s quality of life. Therefore, five benefits of both

29. Physics

In a demonstration in physics class, a 1.2 kg dynamics cart starts from rest at the top of a ramp. the ramp is 2.4 m above the ground. the cart then rolls down to the bottom of the ramp, where it collides with a stationary 1.4 kg dynamics cart. Assume that

30. science

what are 2 major differences in the composition of the inner and outer planets ?

31. Physics

Please help quickly his handbag exerts a force of 10 N on the hook. Which of the following values is a possible tension for each side of the cloth loop on the handbag? Each side of the loop exerts a vertical force only, not a horizontal force, on the rest

32. science

explain what science is give an example of a type scientist and what they study

33. chemistry

which of the following alkane names is correct? a)2-methyl-3-propylhexane b)1-methylnonane c)1,2-dimethylhexane d)4,5-dimethylpentane e)all of the above names are correct

34. Science

A woman with a genetic disease marries a man who does not carry the disease. It is not possible for their children to carry the disease. The disease must be a) sex - linked b) recessive c) dominant d) cause by an extra chromosome my answer is recessive

35. office managment

a problem solving team is often referred to as a a.manager assistant team c.quality control group my answer is c

36. math

a student measures a rectangular room to be 20.00 m x 17.16 m which of the following the numbers below represents the rooms area with the correct number of significant figures

37. physics

Expensive amplifier A is rated at 210W , while the more modest amplifier B is rated at 45W . Estimate the sound level in decibels you would expect at a point 9.0m from a loudspeaker connected in turn to each amp.

38. Half-life

After two hours, 1/16 of the initial amount of a radioactive isotope remains undecayed. What is the half-life of the isotope?

39. English

Zach used to work at an independent record label. Negotiating could be exciting, but he was supposed to slant everything in the label’s favor. Some reps used questionable tactics. He couldn’t look at himself in the mirror if he treated people like

40. math

the annual household cost of telephone service in the US increased at a relatively constant rate of \$27.80 per year from 1981 to 2001. in 2001 the annual household cost of telephone service was \$914. a: what was the annual household cost of telephone

41. Chemistry

How many milliliters of 0.200M HCl can react with 3.25g CaCO3?

42. chem

The experiment described in the procedure was performed using a sample of Calcium with HCl(aq). The lab conditions were 25.00°C, and 747.0 torr barometric pressure. 112.7 mg of Calcium (MM: 40.08 g/mol) was reacted with 25.00 mL of 1.25M HCl(aq). 71.560g

43. physics

Two stones, A and B, are thrown horizontally from the top of a cliff. Stone A has an initial speed of 15 meters per second and stone B has an initial speed of 30 meters per second. Compared to the time it takes stone A to reach the ground, the time it

44. college algebra

A partial solution set is given for the polynomial equation. Find the complete solution set. (Enter your answers as a comma-separated list.) x^3 + 3x^2 − 14x − 20 = 0; {−5}

45. Health (Ms. Sue)

Explain the relationship between the key terms in each of the following pairs. a. nicotine and carbon monoxide b. tar and emphysema c. environmental tobacco smoke and carcinogen d. mainstream smoke and sidestream smoke e. drug abuse and overdose f.

46. physics

A person who weighs 691 N is riding a 89-N mountain bike. Suppose the entire weight of the rider plus bike is supported equally by the two tires. If the gauge pressure in each tire is 8.40 x 105 Pa, what is the area of contact between each tire and the

47. Decision Sciences

Use graphical sensitivity analysis to determine the range of demand probabilities for which each of the decision alternatives has the largest expected value. I have two possible decisions, each with a favorable and unfavorable outcome. How do I do this?

48. Chemistry

seriously, any help would be much appreciated. You conduct another experiment on silver condensation. You add 8.0 g of silver nitrate to 200 mL of pure water. You attach a single 850 mAh AAA battery (at 1.3 V) to the electrochemical cell. You can assume

49. Phyics

Sitting besides a friend on a park bench, you grab her hat and start running in a straight line away from her. Over the first 15.0, you accelerate at 1 m/s^2 up to your maximum running speed. You then continue at your maximum running speed for 15 s more

50. office management

concerning management styles ,another term that means the same thing as delegative is a.autocratic b.participative c.democratic my answer is b

51. Language Arts help last questions please

Identify the italicized word(s) in each sentence. 17. Going outside during a thunderstorm is not the wisest thing to do in the summer. (*Going outside during a thunderstorm* is italicized) gerund phrase participal phrase infinitive phrase prepositional

52. office management

which of the following types of motivation is apt to work best with an employee who appreciates financial incentives a.inscribed wall plaque b.merit based raises c.longer vacation time]d.equipment upgrade my answer is b

53. chem

What volume of benzene (C6H6,d=0.88g/ml,molar mass=78.11g/mol) is required to produce 1.5 x 10^3 kJ of heat according to the following reaction?

54. chemistry

How many grams of I2 are present in a solution if 33.75mL of 0.140M Na2S2O3 solution is needed to titrate the I2solution?

55. Physics

What is an equilibrant? (Points : 1) an object that has zero net force acting on it two chemical reactions proceeding at the same rate in opposite directions a force that makes the net force on an object zero a force in the same direction as the net force

56. algebra

There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday? A. 3% B. 15% C. 20% D. 40%

57. Calculus

Solve the separable differential equation 10x−6ysqrt(x^2+1)dy/dx=0. with the initial condition y(0)=4.

58. english

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 evidence of his most recent meal. And his most frequently uttered expression, “Waaaal, I just don’t know,” can

59. physics

.10 kilogram rocket designed to deliver an impulse of 6 newtons seconds. If the rocket engine burns .75 seconds, what average force does it produce.

60. college algebra

Use a calculator to help solve the problem. An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 40% more of the substance? (Round your answer to one decimal place.) ____hr

61. biology

Which of the following is not produced in the light-dependent reactions of photosynthesis? A. NADPH B. sugars C. ATP D. oxygen

62. Gen Chem II

You conduct another experiment on silver condensation. You add 8.0 g of silver nitrate to 200 mL of pure water. You attach a single 850 mAh AAA battery (at 1.3 V) to the electrochemical cell. You can assume that the entire battery charge is useable for

63. English

1. He was excited to watch the game. 2. He was excited watching the game. (Which one is grammatical? Are both OK? What is the difference between them?) English - Writeacher, Wednesday, November 13, 2013 at 8:07am Both are OK, but they have slightly

64. office management

on a job description ,what is the difference between necessary skills and desirable skills a.necessary skills are those a person needs to work at a job,and desirable skills are those that a company hopes a candidate has b.necessary skills are those a

65. physics

Consider two solid uniform cylinders that have the same mass and length, but different radii: the radius of cylinder A is much smaller than the radius of cylinder B. Rolling down the same incline, which one of the two cylinders will reach the bottom first?

66. science

explain the difference between a scientific theory and a scientific law

67. PHYSICS

A wheel in the shape of a uniform disk of radius R and mass mp is mounted on a frictionless horizontal axis. The wheel has moment of inertia about the center of mass Icm=(1/2)mpR2 . A massless cord is wrapped around the wheel and one end of the cord is

68. Physics

Problem 3- Blocks A, B, and C are connected by ropes and placed as in the figure. Both A and B weigh 22.6 N each, and the coefficient of kinetic friction between each block and the surface is 0.40. Block C descends with constant velocity. a) Draw free-body

69. Physics, Chemistry, Science

I have an assignment about deep sea diving and of course it involves some gas mixtures to be used. I just don't know what suitable gas mixtures do I have to use in order for this diving to be safe and successful. The scenario is this: 1. A shipwreck is

70. math

the amount of revenue brought in by states from motor vehicle licenses increased at a relatively constant rate of 499.79 million dollars per year from 1990 to 2000. In 2000, the states brought in 15,099 million dollars in revenue from motor vehicle

71. Calculus

Find the number b such that the line y = b divides the region bounded by the curves y = 4x2 and y = 1 into two regions with equal area. (Round your answer to two decimal places.)

72. physics

two point charges +q and -q are separated by a distance d. aside from infinity, where else is the potential due to these two charges?

73. physics

The maximum gauge pressure in a hydraulic lift is 18 atm. What is the largest size vehicle (kg) it can lift if the diameter of the output line is 22 cm?

74. science

explain why the outer planets did not lost the light gases in their atmospheres.

75. physics

A cylindrical storage tank has a radius of 1.36 m. When filled to a height of 3.94 m, it holds 15700 kg of a liquid industrial solvent. What is the density of the solvent?

76. Calculus

A piece of wire 40 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. How much of the wire should go to the square to minimize the total area enclosed by both figures?

77. math

the amount of revenue brought in by states from motor vehicle licenses increased at a relatively constant rate of 499.79 million dollars per year from 1990 to 2000. In 2000, the states brought in 15,099 million dollars in revenue from motor vehicle

78. chem

which of the following alkane names is correct? a)2-methyl-3-propylhexane b)1-methylnonane c)1,2-dimethylhexane d)4,5-dimethylpentane e)all of the above names are correct PLEASE HELP!!!!GOT STUCK ON IT

79. physical science

A ramp is 2.8m long and 1.2m high. How much power is needed to push a box up the ramp in 4.6s with a force of 96N

80. office management

delegating a job to another emplouee indicates that you a.will evaluate the person based on performance b.want to test a new worker under stress c.trust the person to do the job well d.want more free time in your day my answer is c

81. Marketing

Are investment spending market tests a good strategy or a waste of time and overly cautious? I'm working on a case study and I'm having trouble picking a side to argue. The instructor wants us to decide how promotion money should be allocated in the case.

82. Finance

If the bank holds \$65 million in deposits and currently holds bank reserves such that excess reserves are zero, what required reserves ratio is implied?

83. introduction to health care

which of the following is not an example of non-traditional health information technology setting a.clinic b.insurance company c.research institute my answer is b

84. Health (Ms. Sue)

State the reason it is difficult for people to quit using tobacco products. A: It is difficult for people to stop using tobacco products because these products contain nicotine, which is highly addictive?

85. Physics

I'm not sure if I am right on these questions please help When should you express a vector along the x-axis as a negative vector? (Points : 1) when its magnitude is less than 1 when the arrow representing the vector would point toward negative x

86. physics

A 12 000-kg airplane launched by a catapult from an aircraft carrier is accelerated from 0 to 200 km/h in 3 s. (a) How many times the acceleration of gravity is the airplane’s acceleration? (b) What is the average force that the catapult exerts on the

87. Biochemistry

BSA stock solution A has a concentration of 3.50 mg/mL. 1.00mL of stock solution A is diluted to a final volume of 5.00mL to prepare solution B. 1.00mL of stock solution B is diluted to a final volume of 5.00mL to prepare solution C. 1.00mL of stock

88. Advanced Chem- Intermolecular Forces of Attraction

Answer/ explain the following in terms of intermolecular forces and properties of the substances referred to in each situation. 1. Why is it that if a glass is slightly filled above the brim with water, the liquid does not overflow? 2.Induced dipole forces

89. scuence

if known h2 + br2 produce delta h 2hbr totaled 11.2 -72 then to decipher hbr gas into H2 and br2 as much heat is required?

what was the purpose of the gettysburg address? A.to end the revolutionary war and gain independence.(I PICKED THIS) B.to launch the war for independence and american democracy. C.to honor fallin soldiers in the civil war and cement notion of equailty for

91. algebra2

Bill invested \$15,000 in three accounts. The savings account paid 1% interest, the Mutual fund paid 10% interest, and the CD paid 2% interest. In one year, Bill earned \$210 in interest. If Bill put four times as much in savings as he put in the CD, how

92. math

Can you add 2 hours and 45 minutes to 3 hours and 57 minutes by using decimal numbers (2.45 + 3.57)? Explain. Also, suppose you want to add 3 feet and 7 inches to 5 feet 6 inches. Can you use decimal numbers so that you can add 3.7 to 5.6 to get the total

93. accounting

Harry and Sally were divorced three years ago. In July of the current year, their son, Joe, broke his arm falling out of a tree. Joe lives with Sally and Sally claims him as a dependent on her tax return. Harry paid for the medical expenses related to

94. Science

3b. The time between the Triassic and Jurassic periods is similar to the time between the Permian and Triassic periods because global climate was __________________. (2 points) I think it is biota indigenous

95. Health (Ms. Sue)

"Cameron and Tony walked up to the counter at the convenient store. "What are you getting?" asked tony. "Nothing I'm out of cash," replied Cameron. "Didn't you have a bunch of money last week?" asked Tony. "Yeah, but I spent it on cigarettes." "Man, that

96. physics

What is the angular separation between the first-order images on either side of the central maximum? Answer in units of degrees.

A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both

98. math

sally and marta had the same number of postards. after sally sold 18 postards, marta had 4 times as many as sally. how many ostcards did eeach girl have to begin with

99. office management

telecommuters must be able to a.buy the most modern computer systems b.drive into work at least four days a week]c.work around family demands d.enjoy the presences of coworkers my answer is c

100. Physics

A 2.2 kg otter starts from rest at the top of a muddy incline 93.9 cm long and slides down to the bottom in 0.60 s. What net external force acts on the otter along the incline? Does anyone know how to do this?

101. Science

Scientists think that millions of species have not been classified yet .Why do you think this is true ?

102. physics

A large fake cookie sliding on a horizontal surface is attached to one end of a horizontal spring with spring constant k = 430 N/m; the other end of the spring is fixed in place. The cookie has a kinetic energy of 21.0 J as it passes through the spring's

103. Geometry (math)

Identify 2 planes in a triangular prism that intersect.Name their intersection

104. English

The weather is the condition of the atmosphere in one area at a particular time, for example if it is raining, hot of windy. (In this sentence can we use ' whether' instead of 'if' after 'for example' to have the same meaning?)

105. English

1. Tom is the youngest of his brothers. 2. Tom is youngest of his brothers. (Are both OK? Which one is grammatical?) 3. This book was most helpful for my homework. 4.This book was the most helpful for my homework. (Which one is grammatical? Do we have to

106. Math

Write an algebraic expression for each word phrase on the board. Evaluate each expression for x=2 3 times x=6 Expression: 3x

107. Health (Ms. Sue)

Why is smoking dangerous to nonsmokers? A: Smoking is dangerous to nonsmoker because people who breathe environmental tobacco smoke are exposed to the same dangerous chemicals as smokers?

108. Science

Citric acid has the formula C3H3OH(COOH)3. How many atoms of carbon,hydrogen and oxygen are in each molecule? Please help I don't understand this!! Thank you

109. Physics - Oscillations

An astronaut measures her mass by means of a device consisting of a chair attached to a large spring. The period of oscillation she undergoes when set into motion is used to determine her mass. If her mass, together with the chair, is 172kg, and the time

110. physics

A man ties one end of a strong rope 8.35 m long to the bumper of his truck, 0.506 m from the ground, and the other end to a vertical tree trunk at a height of 3.92 m. He uses the truck to create a tension of 8.32 102 N in the rope. Compute the magnitude of

111. waist water treatment

1/Why do the following components need to be removed from sewage under current law before it can be discharged on the surface water? Nitrogen Algea growth in receiving water Growth of waterborne diseases Turbidity increase of receiving water Oxygen

112. Statistics

A VP of manufacturing claims that more than 3% of items produced using a certain assembly line are is defective. A random sample of 100 items from the assembly line had 4 defectives. At the 5% level of significance, which of the following would be part of

113. Statistics

A recent Gallup Poll dealt with the proportion of Canadians who favoured the various Prime Ministers. It found that only Pierre Trudeau did quite well, of all Prime Ministers in recent memory, and that the proportion favouring Brian Mulroney is quite low.

114. operation precedence

Hunter gave his sister \$3. He earned \$12. Then he paid \$6 for lunch. Now Hunter has \$18. How much money did hunter have to start with? Mark downloaded 8 new songs on Tuesday. On Thursday he downloaded 4 times as many. He now has 45 songs. How many songs

115. statistics

The eruption height and the time interval after eruption of a geyser were measured and shown below. Height(x) 115 120 120 130 140 110 140 100 Interval after(y) 59 64 68 71 75 56 73 54

116. English

1. The ice must be 15 centimeters thick at least. 2. The ice must be at least 15 centimeters tall. (What is is the proper position of 'at least'? Are both OK? Do both sentences have the same meaning?)

117. English

1. I can't wait to go to the USA. 2. I look forward to going to the USA. 3. I anticipate going to the USA. 4. I long to go to the USA. 5. I desire to go to the USA. 6. I expect to go to the USA. (Are they all the same in meaning? Which ones are similar to

118. biology

Make a single base pair substitution mutation in the gene below that results in a protein that is shorter than the protein produce by the original gene. When you are satisfied with your change and its effect, click the "Final Check" button. Note that a

119. history

at the constitutional convention in pj hiladelphia, madison drafted the plan presented by virginia govenor randolph, and william patterson of ____ presented a plan that was similiar to the articles of confederation. Thank you in adavance, I was stuck on 3

120. Math

1. Jill has a bond with a face value of \$1,000. The bond has a coupon rate of 6%. Find her current yield if the market price of the bond is \$1,027. 2. Calculate the annual interest you receive on a \$1000 Treasury bond with a current yield of 1.5% that is

121. math

A group has 36 guards. When they march, they form rows of equal numbers of guards. What numbers of rows can they make? How many guards will be in each row?

write EACH division statement 3 different ways twelve divided by 3

123. office management

an office management committee is focused on a.instructing employees on proper ergonomics b.preparing for disaster or emergency situations my answer is b

124. Health (Ms. Sue)

What factors do you think contribute to people using tobacco in your school? A: I believe people use tobacco in my school for many reasons. Some want to fit in with friends who smoke, and others want to appear "cool."

125. office management

a meeting agenda is a tool that a.tells employees about discipline issues b.lists minutes from the previous meetings c.helps attendees stay on topic during the meeting d.guarantees the meeting will begin on time my answer is c

126. Physics

Sitting besides a friend on a park bench, you grab her hat and start running in a straight line away from her. Over the first 15.0, you accelerate at 1 m/s^2 up to your maximum running speed. You then continue at your maximum running speed for 15 s more

127. Socials

For socials, we have to do a project on an invention during the industrial revolution time period. I chose the Airplane and I know that it was invented by the Wright brothers etc. But what I don't know what to write a paragraph on is "Describe the social

128. Physics

A 2.2 kg otter starts from rest at the top of a muddy incline 93.9 cm long and slides down to the bottom in 0.60 s. What net external force acts on the otter along the incline? Answer in units of N It requires a number answer but it makes no sense to me.

129. introduction to health care

which of the following statements are true a.when a patient dies in surgery the doctor is automatically guilty of negligence b.doctors are held to the same reasonable person standard as the general public c.professional standards can determine if

130. statistics

2. Betty, an employee of Shining Sun Daycare Center, read an article in Healthy Child Magazine saying that the average 3-year-old child is 37 in. tall. Betty works with 3-year-olds at Shining Sun, so later that week, she measured the height of each child

131. Math

School is planning to purchase a new copy machine. The principal has narrowed the choice to two models. Superfast Deluxe and Quick Copies. He plans to purchase the machine that copies the quickest rate. Use this info to determine which one is faster. Quick

132. algebra

How do I find the perimeter of a square with one side listed as 4x + 3 and one more side listed as 3(2x - 5)? Thank you

133. Art History

Hello, I'm looking for any articles that relate to Michelangelo's Pieta in St. Peter's Rome. I would prefer .edu or .gov websites. I need to write a paper on the history and the meaning. Thanks so much!

134. math

Nick has a revolving department store credit card account with an annual percentage rate of 15%. Last month’s balance on the account was \$423.78. During the current month, he made pur- chases totaling \$123.42 and made a payment of \$100. The store uses

135. science

What is F1= 125N North

136. algebra2

Bill invested \$15,000 in three accounts. The savings account paid 1% interest, the Mutual fund paid 10% interest, and the CD paid 2% interest. In one year, Bill earned \$210 in interest. If Bill put four times as much in savings as he put in the CD, how

137. college algebra

Solve the exponential equation using logarithms. Give the answer in decimal form, rounding to four decimal places. (Enter your answers as a comma-separated list.) 4^(x − 3) = 3^(2x) x = _____

138. math

One pump can empty a pool in 5 days, whereas a second pump can empty the pool in 7 days. How long will it take two pumps, working together, to empty the pool?

139. Health (Ms. Sue)

List four reasons not to smoke that you could give to friend. A: There are many reasons that I could give a friend to not smoke, including protecting their family, friends, and loved ones from the harmful effects of environmental tobacco smoke?

140. math

the annual household cost of telephone service in the US increased at a relatively constant rate of \$27.80 per year from 1981 to 2001. in 2001 the annual household cost of telephone service was \$914. a: what was the annual household cost of telephone

141. office management

a problem solving team is often refered to as a a.manager-assisted team c.quality control group d.cross functional team my answer is c

142. Physics - pendulum

A pendulum that on Earth has period 0.52 s is taken to the surface of a large asteroid, where it is measured to have period 1.7 s. What is the value of the gravitational acceleration on the surface of that asteroid?

143. Physics-dynamics

A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both

144. Statistics

Assume that a test is given to a large number of people but we do not yet know their scores or the shape of the score distribution. Can we be sure that the sampling distribution of the mean for this test will be normally distributed? Why or why not?

145. Math

Together, tom and max have 72 football cards. Tom has 2 more then 4 times as many cards as max has. How many football cards does tom have?

146. marketing

I'm working on a case study and I'm having trouble picking a side to argue. The question is, Is the investment spending market test a good strategy or a waste of time and overly cautious? The instructor wants us to decide how promotion money should be

147. math

What is the net price factor discount of 25/15/10?

148. English

1. My grandfather was in hospital. 2. My grandfather was in the hospital. 3. My grandfather was hospitalized. (What does #1 and #2 mean? Are both #1 and #2 the same? Does #1 or #2 mean #3? He may have visited a patient. Don't you think so?)

149. Statistics

A VP of manufacturing claims that more than 3% of items produced using a certain assembly line are is defective. A random sample of 100 items from the assembly line had 4 defectives. At the 5% level of significance, which of the following would be part of

150. math

Find recursive and explicit formula for -40 -36 -32 -28

151. Maths

Factorise into quadratics X^2-4x-21 X^2-4x+3 X^2+9x-36

152. Physics

Problem 1- A 4 kg puck can slide with negligible friction over a horizontal surface, taken as the xy plane. ˆ The puck has a velocity of 3i m / s at one instant ti = 0 . Eight seconds later, its velocity is to be ˆˆ 8i + 10 j m / s . Find the magnitude

153. Maths

Factorise these quadratics X^2-36 X^2-121 X^2-169

154. biology - cells

Which scientist proposed that cells come from other cells? A. Hooke B. van Leeuwenhoek C. Schwann D. Virchow

155. World History

In chronological order, list the territories and countries Japan took control of in its program of expansion. Please and thank you on any help!

A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ. A ball B moves along the slot in the direction shown with velocity, v, and acceleration, a, both

157. statistics

Assume that a test is given to a large number of people but we do not yet know their scores or the shape of the score distribution. Can we be sure that the sampling distribution of the mean for this test will be normally distributed? Why or why not?

158. Math

Hands on:multiply with 0 and 1 1/ Jon has 4 fishbowls. there are 5fish in each bowl . How many fish does Jon have in all? Answer,, 4x5=20 2/peter threw a basketball 12 times. It missed the basket every time. Write a muitiplication sentence to show peter's

159. Math

Find the x-intercept and the y-intercept of the linear equation 3x + 4y = 12. Write each intercept as an ordered pair.

160. math

The Robinson come from three states of the country. 6 of them come from Minnesota. The rest come from Texas and Florida. There are 5 more family members from Texas than from Florida .how many Robinson comes from each state?

161. Math

Cashews ,Brazil nuts, and peanuts originally grew in rain forests . Anne made a trail mix with 9 cups of each . How many cups of Cashews ,Brazil nuts , and peanuts did she use in all? Answer: 9x0=0 0x9=0 Yams also grow in rain forests . Connie cooked 9

162. introduction to health care

when did physicians became responsible for medical records a.curing the eighteenth and nineteenth century b.dun=ring the renaissance period c.during the greek and roman periods d.during the twentieth century my answer is a

163. introduction to health care

the overall responsibility of health information management professionals is a.accurately coding hospital records for reimbursement purposes b.ensuring the quality and accuracy of health information c.overseeing the medical transcription process

164. Geometry (math)

Identify 2 planes in a triangular prism that intersect.Name their intersection

165. math

Brenda Luai earns \$14,260 per year. She is paid 24 times per year and claims 1 exemption. If \$19.63 in taxes is withheld from each paycheck, at what rate is she taxed?

166. Physical science

The number of molecules in 30g of water?

167. socialstudies

why did thomas jefferson write the declaration of independence? A.to end revolutionary war and emphasize quailty. B.to re-unite the country after the civil war and emphaize democracy for all. c.to guarantee the rights and freedom of U.S. citizens. D.to

168. disease

can somebody describe coronary heart disease?

169. US History

State farms in communist Europe were run by who?

170. algebra

I need help solving 8 = 3x + 6y for y. Thank you!

171. Physics

A 153 g bullet is fired from a rifle having a barrel 0.794 m long. Assuming the origin is placed where the bullet begins to move, the force exerted on the bullet by the expanding gas is F = a + bx − cx^2 , where a = 12600 N, b = 8420 N/m, c = 10100

172. math

Can you add 2 hours and 45 minutes to 3 hours and 57 minutes by using decimal numbers (2.45 + 3.57)? Explain.

Which of the following is the common balance sheet layout? A. assets = liability + owner’s equity B. profit = revenue – total expenses C. return on investment = net income 􏰁 owner’s equity D. gross profit margin = gross profit 􏰁 net sales

174. math

Carlos was 5feet,8inches tall at the beginning of ninth grade. he grew 4 3/4inches during that school year and 2 1/4inches during follow the summer. how tall was Carlos at the beginning of tenth grade? Express his height in feet and inches.

175. history

sir george grenville, king georges chancellor of the exchequer, enacted the revenue act of 1764 to raise rebenue for maintenance for the british army in america. In the colonies it was commonly known as the ___ act? Thank you in advance.. I have a few I am

176. science

What is F3=210N 30°S of W

177. social studies

upon what did the success of southeast Asian empires frequently depend ?

178. Stats

Which of the following statement is true? In testing the hypothesis for the equality of two population proportions, the acceptance region for the null hypothesis will be wider than the confidence interval for two population proportions, assuming the same

179. math and physics

keepandshare[dot]com/doc16/727/math-pdf-99k?da=y *replace all [dot] with a period --> .

180. fiances

Calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded, and that the month is 30 days long. \$500 balance, 17%, \$50 payment previous balance method, adjusted balance

How do you write an essay

183. Math

Expand and simplify For + 5(a+8)= And for - 7(3d-6)

184. Math

2 expression for the perimeter of a square 1 with brackets and 1 without The shape is a square and t+3 is 1 side of the square P(with brackets) P(without brackets)

185. English

Using the words biometer chronometer hydrometer micrometer perimeter phonometer thermometer put them in the correct order in sentences below. PLEASE CORRECT ME IF I'M WRONG!! 1.The THERMOMETER registered an increase in temperature. 2.He used a BIOMETER to

186. TO ANY MATH HELPERS

Pleeeese help! Use the substitution method to solve each linear system: -x+3y+1=0 3x-y+1=0 4x-3y=-13 -2x+y=4 Please help, thanks:):)!!!!

187. Maths

Expand and simplify expression for the area of an rectangle Shorter side = x+3 Longer side = 5x-4

188. Health (Ms. Sue)

Describe the financial and health costs of smoking on both the family and the community. A: Using tobacco is expensive. It costs families and society billions of dollars each year in health care and lost productivity?

189. college algebra

Use long division to perform the division. (Express your answer as quotient + remainder/divisor.) (x^4 + 7x^3 − 2x^2 + x − 1) / (x − 1)

190. 4th Grade Math: Help Is Needed ASAP

My son is in the fourth grade and is needing help with these math problems. Can someone please help him with these problems. 1. 2/3+2/9= 2. 3/5+3/10= 3. 5/12+1/3= 4. Find the sum of 1/6 and 1/12 5. Add 1/4 to the answer in Exercise 4. 6. What is the sum of

191. Algebra

t^9 x t^-8 I don't really understand how to do the whole negative exponent thing...

192. math

x^-1y^0 do you do 1/x*1=1/x and how do you do x^-2y^1\ x^1y^2 ?

193. algebra

how do you find the x & y intercept of the equations y=-3 x=4 without graphing them?

194. Maths

(5x+4)(5x-4)=

195. Calculus

1) The period of a trig. function y=sin kx is 2pi/k. Then period of y=sin^2(pi.x/a) should be 2pi/(pi/a)=2a, but somewhere it is given as a. Which is correct? 2) The period of r=sin^3(theta/3) is given as 3pi. How is it worked out? Is it because after

196. pe

Describe how balance and/or coordination is needed for at least three things that you do every day.

197. English

1. He was excited watching the game. 2. He was excited to watch the game. (Which one is correct? Are both grammatical? What is the difference between them?)

198. Physics

A 2 kg object is moving 6 m/s. It compresses a spring 1 meter that has a spring constant of 8 N/m

(4x-5)^2

200. computer science

Best practices for securing local networks?

201. math

prove cot x -tan x = 2 cot 2x

202. Algebra 2

Solve the system by elimination: -2x + 2y + 3z = 0 -2x - y + z =-3 2x + 3y + 3z = 5 How do I do this? I need steps to understand please....

203. Maths

Factorise to quadratics X^2+5x-14 X^2-x-90 X^2-13x+40

204. math

[(-15)(-7)divided by (2-17)=

205. chemistry

suppose that 100g h20 is added to calorimeter intially at 20C containing 100g of h20 at 20C. If calorimeter perfectly insulates, what would be the final temperature of the water?

206. Math

Suki worked on math problems for 2hours on Monday , 2 hours on Tuesday, 2 hours on wednesday , 2 hours on Thursday , and 2 hours on Friday. How many hours did she study math in all? Answer : 5x2=10 Cashshews, brazil nuts, and peanuts originally grew in

207. math

The Robinson come from three states of the country. 6 of them come from Minnesota. The rest come from Texas and Florida. There are 5 more family members from Texas than from Florida .how many Robinson comes from each state?

208. civil engineering

For a soil with significant secondary compression, if the duration of each loading increments is lengthened to a few days, what would be the effects on the void ratio vs. Log p curve and the preconsolidation pressure?

209. math

The Robinson come from three states of the country. 6 of them come from Minnesota. The rest come from Texas and Florida. There are 5 more family members from Texas than from Florida .how many Robinson comes from each state?

210. math

Kristy read 40 pages of a book on Saturday. She read Test Image as many pages on Sunday. Which numerical expression could be used to calculate the number of pages Kristy read on Sunday?

211. math

The Robinson come from three states of the country. 6 of them come from Minnesota. The rest come from Texas and Florida. There are 5 more family members from Texas than from Florida .how many Robinson comes from each state?

212. English

Which words go in the following sentences. Young Charles was born in 1902 and was growing/grew up on a farm. Later, although he has studied/had studied engineering in college, he was more interested in flying planes.

213. brief calculus

x/(x − 6)^2 I get ln(x-6)- 6/(x-6)+ C but it isn't correct, what should the answer be?

214. introduction to health care

correspondence manager generally works with b.administrators d.govement agencies my answer is b

215. Math

Using the linear equation y = 5, answer each of the following. Choose all points that would be on this line. (0,5), (5,5), (2,5), (5,2), (-3,5), or (5,-3)

216. introduction to health care

as a transcripionist whatis your most important skill a.the ability to understand and analyze the dictation b.the ability to type quickly c.the ability to accurately use reference materials d.proficiency my answer is a

217. math

harry drove for 4 hours on the freeway , he decreased his speed by 20 mph than drove for 5 hours on the country road. If his total trip was 449 miles, than what was his speed on the freeway

218. English

1. Make sure you send the letter. 2. Make sure to send the letter. (Are both the same?) 3. Be sure to drink lots of water. 4. Be sure that you drink a lot of water. 5. Be sure that you should drink a lot of water. (Are the three sentences the same?0

219. biology

Mutant C: Suppose an A/T base pair was inserted in between the two G/C base pairs at positions 18 and 19, marked by the letters above and below the strands. What would the amino acid sequence of the resulting protein be? Be sure to enter the sequence N- to

220. biology

Mutant C: Suppose an A/T base pair was inserted in between the two G/C base pairs at positions 18 and 19, marked by the letters above and below the strands. What would the amino acid sequence of the resulting protein be? Be sure to enter the sequence N- to

221. math

1.483 56 how many significant figures it contain ?

222. Language arts

What is the author's perspective of The Three Little Pigs?

223. math

1.483 56 how many significant figures it contain ???

224. using expressions to describe patterns

If jake buys 12 toys what is the cost

225. math

how can you use the product of 12 x 6 to find the product of 12 x 12 ?

226. math

The amount of pollution, A (in part per million), present in the air outside a factory on a recent weekday is represented by the equation A= -t^2+16t+6, where t is the number of hours after 7 AM. (a) find the Times (in radical form) when there were 42

227. math

Input/output 6 18 7 21 8 24 9 27 question... if jack buys 12 toys, what is the cost?

228. biology

What segregations comprise the cloaca, and what are their functions? How does this cloacal region differ from that of most mammals?

229. american history

which utopian community was founded and established in new york state

230. science

What is F2= 200N 60°N of E

233. Math

x=2 half of x x/2 twice x 2x the difference between x and 1 x-1 the sum of x and 5 5+x 1 more than half of x 2/x+1

235. Science (Physics)

Gravity on the surface of the moon is only 1 6 as strong as gravity on the Earth. What is the weight of a 30 kg object on the Earth? The acceleration of gravity is 10 m/s 2 . Answer in units of N What is the weight on the moon? Answer in units of N What is

236. algebra

Which is the equation of the line that contains the points (0,3) and (-2,4)? A. x+2y=6 B. 2x+y=3 C. 2x+y=0 D. x-2y=

237. algebra

y-6 = -3(x + 1) A. The slope is 3, and the y-intercept is -6. B. The slope is 3, and the y-intercept is 1. C. The slope is -3, and the y-intercept is 3. D. The slope is -3, and the y-intercept is 1.

238. Chem

I have a question on a post lab that asks what would happen if you mix potassium bromide and Br2 (aq)? Wouldn't the answer be nothing, since yiu are just adding more of one of the elements to the conpound?

239. math

Suppose you want to add 3 feet and 7 inches to 5 feet 6 inches. Can you use decimal numbers so that you can add 3.7 to 5.6 to get the total length? Explain.

240. Math

x=2 the product of 4 and 3 times x 12x x increased by 2 x+2 the quotient of x and 2 x/2 7 increased by x x+7 the quotient of 6 and x x/6 5 times x divided by 2 5x/2

241. office management

effective supervisors learn how to a.criticize without worrying about employees feelings b.focus on production rather than on people c.set standards that are generally unattainable d.watch for patterns of successful employee motivators my answer is a

242. Statistics

SAT scores are normally distributed with a mean of 500 and a standard deviation of 100. Using the formula for ÏƒM, what will ÏƒM be when a. the sample size is 25 b. the sample size is 121, and c. the sample size is 400?

243. Calculus

Consider the function f(x)=(7/x^2)-(6/x^6). Let F(x) be the antiderivative of f(x) with F(1)=0. Then F(2) equals _____.

244. physics

because of deformation, what can kinetic energy be converted into?

Choose the word(s) that the italicized phrase modifies or describes. 1. According to this map, the smallest region in the United States is New England. (*is New England* is italicized) map smallest region Unted States 2. DynaTAC800X, the nation's first

246. Pre-Cal

If I have -30degrees in the 4th quarter of a graph, how do i figure out the positive equivalent of that angle?

m -7

248. algebra

Help me factor x^2 -2x - 4 = 0 and 3x^2 + x + 3 = 0.