# Questions Asked onMay 7, 2011

1. ## physics

A 3.1-kilogram gun initially at rest is free to move. When a 0.015-kilogram bullet leaves the gun with a speed of 500. meters per second, what is the speed of the gun?

2. ## finite math

The price of a new car is \$16,000. Assume that an individual makes a down payment of 25% toward the purchase of the car and secures financing for the balance at the rate of 6%/year compounded monthly. (Round your answers to the nearest cent.) What monthly

3. ## Physics

a plane travels 5.0x10^2 m while being accelerated uniformly from rest at the rate of 5.0m/s^2. What final velocity does it attain?

Brit and Tara are standing 13.5 m apart on a dock when they observe a sailboat moving parallel to the dock. When the boat is equidistant between both girls, the angle of elevation to the top of its 8.0 m mast is for both observers. Describe how you would

5. ## Math

A die is rolled twice. What is the probability that the sum of the rolls is less than 4 given that one of the rolls is a 1? The answer is 3/11. Could someone tell me how to get this. Thanks?

6. ## finite math

Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model-A hibachi requires 3 lb of cast iron and 6 min of labor. To produce each model-B hibachi requires 4 lb of cast iron and 3 min of labor. The

7. ## UCI Chemistry Webworks

SPARTAN: Using the bond lengths recorded in Table II determine bond order and the major resonance structures of the following: A. For CVOH, the C-C bonds are longer than the bond lengths found in . (Use i, ii, iv, etc. for your answer) B. For CVOH, the C-N

8. ## Chemistry

Heart pacemakers are often powered by lithium-silver chromate “button” batteries. The overall cell reaction is: 2Li(s) + Ag2CrO4(s) --------> Li2CrO4(s) + 2Ag(s) Lithium metal is the reactant at one of the electrodes of the battery. Is it the anode or

9. ## English

Had to correct sentences so the parallel ideas are expressed 1. Is it true that Superman could leap tall buildings, run faster than a locomotive, and those bullets would bounce off his skin? 2. To celebrate the canned pork product called Spam, we attended

10. ## math

Suppose the cost function associated with a product is C(x) = cx + F dollars and the revenue function is R(x) = sx, where c denotes the unit cost of production, s the unit selling price, F the fixed cost incurred by the firm, and x the level of production

11. ## physics

Two mirrors are placed at a 90° angle to each other. A light ray strikes one mirror 0.620 m from the intersection of the mirrors with an incident angle of 36.5°. The ray then travels a distance d before reflecting from the second mirror. (a) What is the

12. ## Chemistry

Calculte the Percent Yield if 104grams of CH3CO2CH2CH3 is produced by reaction of 111grams of CH3CO2H according to : CH3CO2H + CH3CH2OH = CH3CO2CH2CH3 + H20

13. ## geography

i need two examples of how geography and climate affect where most people in east asia and southeast asia choose to live.

14. ## health

Describe the possible barriers to entry and exit for: (a) a physician wanting to establish a solo practice office in internal medicine, (b) a company offering a health club facility in the same building where employees work, and (c) a tertiary hospital

15. ## physics

A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. It takes a time of 2.60 for the boat to travel from its highest point to its lowest, a total distance of 0.620 .

16. ## physics

A shiny metallic Christmas ball ornament 5.10 cm in diameter is used as a mirror. What is the mirror's focal length? please answer in cm. thanks.

17. ## health

Children's Hospital in Boston, Massachusetts, has long been considered an outstanding medical center specializing in the diagnosis and treatment of pediatric problems. This facility is linked academically to the Harvard University Medical School. Conduct a

18. ## physics

How high could one horse raise a 100N weight (10kg) in 1 second?

19. ## statistics

The weight of a small Starbucks coffee is a random variable with a mean of 360 g and a standard deviation of 9 g. Use Excel to find the weight corresponding to each percentile of weight. a. 10th percentile b. 32nd percentile c. 75th percentile d. 90th

20. ## Physics

If 0.045 kg of ice at 0 C is added to 0.390 kg of water at 34 C in a 0.150 kg aluminum calorimeter cup, what is the final temperature of the water? T = degree C

21. ## Finite Math

A bank deposit paying simple interest at the rate of 8% per year grew to a sum of \$1200 in 10 months. Find the principal. (Round your answer to the nearest cent.)

22. ## Physic

A 89.0 kg person stands on one leg and 90% of the weight is supported by the upper leg connecting the knee and hip joint-the femur. Assuming the femur is 0.640 m long and has a radius of 1.90 cm, by how much is the bone compressed?

23. ## health

Retin-A is a topical ointment originally developed for the treatment of severe cases of acne and related skin disorders. An observed side benefit resulting from use of this product is its beneficial effect on aging skin. If the manufacturer of this product

24. ## physics

Need help on which formulas I use to solve problems? A coil of wire with 200 circular turns of radius 3.00 cm is in a uniform magnetic field along the axis of the coil. The coil has R = 40.0 ohms. At what rate, in teslas per second, must the magnetic field

25. ## physics

You look into a shaving mirror and the upright image of your face is 40.0 cm away from you. The image has a magnification of 1.50. (a) How far away are you from the mirror? (b) What is the radius of curvature? all answers should be in cm. thanks.

26. ## physics

A mirror creates an image of magnification −1/3. (a) Is the image upright or inverted? (b) If the object is 7.75 cm tall, what is the height of the image? State your answer with the correct sign. answer to part B should be in cm. thanks.

27. ## finite math

As online attacks persist, spending on information security software continues to rise. The table gives the forecast for the worldwide sales (in billions of dollars) of information security software through 2007 (t = 0 corresponds to 2002): Year, t 0 1 2 3

28. ## Physics

An aluminum spoon at 84 C is placed in a Styrofoam cup containing 0.180 kg of water at 12 C. If the final equilibrium temperature is 21 C and no heat is lost to the cup itself or the environment, what is the mass of the aluminum spoon?

29. ## Chemistry

For the following balanced equation: 2 Ag+ (aq) + Cu(s) Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. 2Ag+(aq) Cu2+(aq) 2Ag(s) Cu(s) B. Cu(s) Cu2+(aq) Ag+(aq) Ag(s) C. Ag+(aq) Cu2+(aq) Cu(s)

30. ## Physics Question

Here is a demonstration Pascal used to show the importance of a fluid's pressure on the fluid's depth : An oak barrel with a lid of area 0.17 m^2 is filled with water. Along, thin tube of cross-sectional area 4.7×10−5 m^2 is inserted into a hole at the

31. ## Chemistry

Choose the two half-reactions from a table of standard reduction potentials that most closely approximate the reaction that occur within the battery. What is the standard voltage generated by a cell operating with these half-reactions? 2Li(s) + Ag2CrO4(s)

32. ## UCI Chemistry Webworks

For the following balanced equation: 2 Ag+ (aq) + Cu(s) Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. 2Ag+(aq) | Cu2+(aq) || 2Ag(s) | Cu(s) B. Cu(s)| Cu2+(aq) || Ag+(aq) | Ag(s) C. Ag+(aq) |

33. ## Physic

If 0.045 kg of ice at 0 C is added to 0.390 kg of water at 34 C in a 0.150 kg aluminum calorimeter cup, what is the final temperature of the water? If the final equilibrium temperature is 21 C and no heat is lost to the cup itself or the environment, what

34. ## life orientation

what are the human and social factors that cause ill-health, sickness, truama, accidents, crisis and disasters within the context of contemporary social or environmental issues in south africa

35. ## Chem

For the following electrochemical cell: Fe(s) Fe2+(aq) MnO4–(aq) Mn2+(aq) Pt(s) Which letter corresponds to the correct balanced chemical equation in an acidic solution? A. Fe(s) + 8H+(aq) + MnO4–(aq)Mn2+(aq) + 4H2O(l) + Fe2+(aq) B. 5Fe(s) + 16H+(aq) +

36. ## latin

how do you say break camp in latin

37. ## Chemistry

If 135 g of ice at 0.0°C is added to 2.96 L of water at 85°C, what is the final temperature of the mixture?

38. ## finite math

Carlos invested \$6,000 in a money market mutual fund that pays interest on a daily basis. The balance in his account at the end of 8 mo (245 days) was \$6,230.23. Find the effective rate at which Carlos's account earned interest over this period (assume a

39. ## biology

14 points Save A photosynthesis experiment uses Chlorella to track the route taken by 14C in photosynthesis. The 14C is provided from CO2 and no new sources of CO2 are available. After the experiment the scientist extracts all of the starch produced and

40. ## Physic

In a dramatic lecture demonstration, a physics professor blows hard across the top of a copper penny that is at rest on a level desk. By doing this at the right speed, he can get the penny to accelerate vertically, into the airstream, and then deflect it

41. ## Geometry

How do you find the ratio if the areas of 2 similar triangles in which the ratio of a pair of corresponding sides is 4:1

42. ## English

I forgot to add the following sentences. Thank you very much. 1) When we approached his mother, she went away and set on a bench on her own. 2) Her husband suffers from depression (??) and she doesn't want to talk to anyone, not even with her son. 3) Can

43. ## health

A primary care medical group has a list of patients who had once used the group on a regular basis as their primary source of care. However, in scanning their records, these patients had not been in for an appointment in the past 2 years. The senior

44. ## Physic

The simple pendulum in a tall clock is 0.30 m long. What is the period of this pendulum? T = s What is the frequency of this pendulum? f = Hz

45. ## physics

You and a friend are playing a game of squirt-gun tag in a maze. Suddenly you see your friend's image in a small planar mirror. You take a shot over the barrier in front of you and find that your friend is just at the end of the 7.0 m range of your squirt

46. ## Physical science

how can i calculate the number of: 1.molecules in 30g water.2.atoms in 50 dm^3 nitrogen gas.3.nucleons in 10 cm^3 flourine gas?

47. ## Chemistry

Determine the # of moles of Al2S3 that can be prepared by the reaction of 0.400 moles of Aluminum with 0.700 moles of Sulfur, and Also find the # of moles of reactant in excess

48. ## Physics

If it takes a particle in SHM 0.20 s to travel from the equilibrium position to the maximum displacement (amplitude), what is the period of oscillation?

49. ## Chemistry

Choose the two half-reactions from a table of standard reduction potentials that most closely approximate the reaction that occur within the battery (Pacemaker). What is the standard voltage generated by a cell operating with these half-reactions? (i got

what advantage might a socialist system have in responding o the needs of people struck by emergency situation like the earthquake that occured in haiti in january 2010

51. ## Chemistry

Use the Ideal Gas Law to determine the volume of CO2 produced at 25oC 1.5 atm of pressure from the combustion of 35 grams of C6H10.

52. ## math

In order to determine the amount of liquid a spherical tank will hold, would you need to use volume or surface area?

53. ## maths

a sum of money doubles in 20 years on simple interest. it will triple at the same rate in ?

54. ## trig

express the trig. ratios sinA,secA n tanA in terms of cotA.

55. ## Physics

A student reading his physics book on a lake dock notices that the distance between two incoming wave crests is about 0.65 m, and he then measures the time of arrival between the crests to be 1.8 s. What is the approximate speed of the waves?

56. ## Physic

The spout heights in the container in the figure are 15 cm, 30 cm, 45 cm, and 60 cm. The water level is maintained at a 68 cm height by an outside supply. What is the speed of the water out of the 15 cm high hole? What is the speed of the water out of the

57. ## life orientation

what are the human and social factors that cause ill-health, sickness, truama, accidents, crisis and disasters within the context of contemporary social or environmental issues in south africa

58. ## Help in Understanding

Posted by Anonymous on Friday, May 6, 2011 at 8:45pm. How did the conflict occur? Was it just because of the land? I'm having some trouble understanding. Please explain to me. About the Red River Colony - Ms. Sue, Friday, May 6, 2011 at 9:18pm The conflict

59. ## trig

A tree casts a shadow 50 yards long when the angle of the sun (measured from the horizon) is 30 degree. How tall is the tree in feet? (A) 150p3 (B) 50p3 (C) 150 (D) 75p3 (E) None of the above.

60. ## Physics

Lead pellets of total mass 0.46 kg are heated to 107 C and then placed in a well-insulated aluminum cup of mass 0.15 kg that contains 0.52 kg of water initially at 13.8 C. What is the equilibrium temperature of the mixture?

61. ## chemistry

If 39.2 of 0.177 is required to neutralize completely 22.0 solution, what is the molarity of the acid?

62. ## Math

If sinx= 5/13, and x is a positive acute angle, find sin (x + 3pi/2)

63. ## science - biology

A photosynthesis experiment uses Chlorella to track the route taken by 14C in photosynthesis. The 14C is provided from CO2 and no new sources of CO2 are available. After the experiment the scientist extracts all of the starch produced and analyses the

64. ## Physic

A husband buys a helium-filled anniversary balloon for his wife. The balloon has a volume of 4.4 L in the warm store at 74 F. When he takes it outside, where the temperature is 55 F, he finds it has shrunk. By how much has the volume decreased?

65. ## Physic

A 3.8 kg object is supported by an aluminum wire of length 1.9 m and diameter 2.2 mm. How much will the wire stretch?

66. ## childcare

The observation that children with down syndrome may alternate between periods of gain and functioning and periods of little or no advance is the? A functioning difference hypothesis. B variance hypothesis C.variance observation d.slowing and stablility

67. ## Chemistry

What is the half-cell reactions in a hydrogen fuel cell, and calculate the standard voltage at 25°C H2(g)+ O2(g)------>2H2O(l)

68. ## trig

A triangle T has vertices P, Q and R. The length of the edge between P and Q is 10, and the angles at P and Q are 60degree and 45degree respectively. What is the radian measure of the angle at R? (A) 5pi/24 (B) 5/24 (C) 5pi/12 (D) 5/12 (E) None of the

69. ## Math 116

in 1991 the life expectancy of males in certain county was 68.6 years in 1996 it was 70.9 years let t represent the life expectancy in year t and let t represent the number of years since 1991

70. ## math

A sales tax of 6% of the cost of a car is added to the purchase price of \$29,500. What is the total cost of the car, including sales tax

71. ## Asande s.s L.o

discuss the signs and symptoms,describe the consequences,provide realistic and appropriate ways to combat problem,conclusion [an explanation of the importance of marking heathy/decision/ choices to avoid the consequences you have describe above ]

72. ## Chemistry

What is the [H+] of a 0.1 M malonic acid with a Ka of 10^-9 solution? I thought it was just (Ka x Ca)^(0.5), but that doesn't get me a pH of 5.

73. ## english

I am trying to do a outline but cant find the topic or thesis in (This question expresses a commonly held (by women) negative stereotype about guys of the male gender, which is that they cannot find things around the house, especially things in the

74. ## Chemistry

Explain with values and reactions from standard reduction potentials tables why neither gold (I) nor gold (III) not to mention the base metal itself, tarnishes (that is can be oxidized by exposure to air)

75. ## Psychology

1. You are conducting research on sex differences in e-mails. Your hypothesis is that men use more declarative statements and women use more questions. Answer each of the following questions. • What might be the advantages of using the archival method?

76. ## Physics

A satellite is placed between the Earth and the Moon, along a straight line that connects their centers of mass. The satellite has an orbital period around the Earth that is the same as that of the Moon, 27.3 days. How far away from the Earth should this

77. ## trig

Determine the value of cos(theta) given that cos(pi âˆ’ theta) = .2 (A) p.96 (B) .2 (C) âˆ’.2 (D) âˆ’p.96 (E) None of the above.

78. ## Physics

A satellite is placed between the Earth and the Moon, along a straight line that connects their centers of mass. The satellite has an orbital period around the Earth that is the same as that of the Moon, 27.3 days. How far away from the Earth should this

79. ## Principals of Management

Fernando, a manager in a retail store, is changing the work schedule of his long-term employees for the holiday season. He is using the same basic schedule as he did last year. Fernando should expect that his employees will be: I think the answer is D but

80. ## Physic

A husband buys a helium-filled anniversary balloon for his wife. The balloon has a volume of 4.4 L in the warm store at 74 F. When he takes it outside, where the temperature is 55 F, he finds it has shrunk. By how much has the volume decreased?

81. ## Algebra

on three consecutive passes , a football team gains 7 yards,losses 21 yards and gains 12 yard ,what number represents the total net yardage?

82. ## hum/130

List at least two effects that organized religion has had on society. Give examples from past and/or present world events that illustrate your effects/points.

83. ## Algebra

the length of a rectangle is fixed at 10 cm. What widths will make the perimeter greater thatn 74 cm?

84. ## Algebra

In 1993, the life expectancy of males in a certain country was 71.5 years. In 1998, it was 73.6 years. Let E represent the life expectancy in year t and let t represent the number.

85. ## math

:Explain why a prime number must be deficient.

86. ## Grammar

Is the capital word used right in this sentence, if not how can i use it with the same meaning of the sentence His song was SKEPTICAL because it was so good Thank you!

87. ## maths

solve the inequality 2-5x/7

88. ## healthcare

What are the benefits and risks of advertising and marketing health care products and services to potential health care consumers? i need at least 2.

89. ## life orientation

what are the human and social factors that cause ill-health,sickness, truama, accidents and disasters in south africa

90. ## Physics

Lead pellets of total mass 0.46 kg are heated to 107 C and then placed in a well-insulated aluminum cup of mass 0.15 kg that contains 0.52 kg of water initially at 13.8 C. What is the equilibrium temperature of the mixture?

91. ## algebra

Given the function f(x) = −2x + 4, find x if f(x) = 20

92. ## Chem

For the following electrochemical cell: Fe(s) Fe2+(aq) MnO4–(aq) Mn2+(aq) Pt(s) Which letter corresponds to the correct balanced chemical equation in an acidic solution? A. Fe(s) + 8H+(aq) + MnO4–(aq)Mn2+(aq) + 4H2O(l) + Fe2+(aq) B. 5Fe(s) + 16H+(aq) +

93. ## english

where is the thesis sentence in This question expresses a commonly held(by women)negative sterotype about guys of the male gender, which is they cannot find things around thehouse, especially things in the kitchen.

94. ## Math

A coach is collecting a fee from each player on her soccer team. She collects the same amount of money from each player. The amount of money she collected over four days from some of the players is shown in the table below. Soccer Fees Collected Day Number

95. ## Math

Day Number of Players Amount Collected Monday: 4 \$ 88 Tuesday: 7 \$154 Wednesday: 6 \$132 Thursday: 3 \$ 66 Friday: 2 ???? A.On Friday, the coach will collect fees from 2 more players. What is the total amount of money the coach will collect from the 2

96. ## english

(I need to complete an out line with a introduction and a thesis sentence or statement but I can find what I am looking for here is the article) This question expresses a commonly held (by women) negative stereotype about guys of the male gender, which is

97. ## physics project

how to develop a Rube Goldberg machine that will (1) raising a flag on a pole and (2) squeeze a minimum of a 1 cm length of toothpaste on a toothbrush.

98. ## Discrete Math

"The cube of every real number x is greater than or equal to x, and we can see that since 2^3=8>=2." ? Is this a correct argument?

99. ## Finite Math

A {r,u,v,y} B {r,v,w,x} C {r,u,w,z} t and s are on the outsides. find (A intersect B) intersect Cc (A union B union C)c

100. ## trig

2. A circle has a radius of 10 centimeters. Find the length, in centimeters, of the arc intercepted by a central angle of 100 degree. (A) 50pi/9 (B) 100pi/9 (C) 500pi/9 (D) 18pi/5 (E) None of the above.

101. ## English

I need to find a good site containing colloquial expressions used in everyday conversations (example, at the phone, at meals etc). I'd also like you to check these sentences, please. 1) Can you use the word “class party” where(to which?) you invite all

102. ## Social Science

What are the three stages of crisis for stalking victims?

103. ## trig

A triangle T has vertices P, Q and R. The length of the edge between P and Q is 10, and the angles at P and Q are 60degree and 45degree respectively. What is the area of T? (A) 50p3/(1 +p3) (B) 10p3/(1 +p3) (C) 50/(3 + 3p3) (D) 10/(3 + 3p3)(E) None of the

104. ## algebra

what does the formula D=(b-c) represent

105. ## Algebra

collect like terms 14a+6b-4a-9b= 10a-3b is this right?

106. ## Medical Billing and Coding

Can anyone please help me with the research paper in compairing three different electronic medical records. If any one can bref me on this that would be great. I have done all the research my problem is I can't find the things that need to be addressed.

107. ## Physic

A student reading his physics book on a lake dock notices that the distance between two incoming wave crests is about 0.65 m, and he then measures the time of arrival between the crests to be 1.8 s. What is the approximate speed of the waves?

108. ## math

: Do you feel that mathematicians make to much of the mathematics and nature connection? Why?

109. ## Math - doing something wrong somewhere

Hi, I'm sure I'm doing something wrong here, I'm coming up with an exorbant amount of rainfall for ONE ROOF in a school. Somehow I don't think that in a drought-prone area it is feasable to expect the following to be true. I am unsure where I'm going wrong

asked by URGENT help plz plz plz plz
110. ## math

how 2 write 7th may 2011 in 5letters without using numberss

111. ## chemistry

what is the molar mass of a gas if 26.0L of the gas has a mass of 43.6g at 1.10 atm and 10.0 C?

112. ## sociology

What types of situations or examples that can result in the elimination of functionalist theory when considering the social institution of the family?

113. ## Finite Math

A {r,u,v,y} B {r,v,w,x} C {r,u,w,z} t and s are on the outsides. (a) (A B) Cc (b) (A B C)c

114. ## computers

What are the principal tools and technologies for accessing database information to improve business performance and decision making?

115. ## algebra

1. You are planning to spend no more than \$10,000 and no less than \$8,000 on your landscaping project. a. Write an inequality that demonstrates how much money you will are willing to spend on the project. b. For the first phase of the project, imagine you

116. ## Grammar

Does this sentence make sense, if not how do you write it correctly Never give up to your dreams? Thank you!

117. ## general knowledge

How do u write 7 th may 2011 in 5 letters without using numbers??

118. ## Psychology

I watched an episode of NOVA this week called "Secrets of The Wild Child" and I have a question, even though I'm watching the show on YouTube. 1) In what specific ways did Genie's early deprivation effect her development and socialization?

119. ## Psychology

A child with mental retardation but not autism is more likely to display_______ than a child with autism. A.self injurious behavior b.Smiling and eye contact c.sterotyped motor behaviors d.self-stimulatory behaviors i chose c but could you help or any

120. ## To Regina

Let me know when you have your 7 sentences. (http://www.jiskha.com/display.cgi?id=1304794255#1304794255.1304796072 )

121. ## Trigonometry

How would you find the both primary solutions to 3cos(2x) = 2.5

122. ## U.S. History

What started the first ever American Civil War?

123. ## criminal jsutice

How can not knowing the proper terminology affect you as you conduct criminal justice research?

124. ## trig

Find the sum of all of the solutions to the equation cos(2x) âˆ’ sin2(x) âˆ’ 1 = 0 in theinterval 0 < x < 5 pi. (Use radian measure for x.) (A) 15pi (B) 0 (C) pi (D) 10pi (E) None of the above.

125. ## math

the average normal temperature in Albany in may is about 59F what is this temperature in Celsius?

126. ## trig

The hypotenuse of a right triangle has length 8 and one of the other edges has length 3. What is the sine of the angle opposite the edge of length 3? (A) 3/p55 (B) 3/8 (C)p55/8 (D) 55/64 (E) None of the above.

127. ## calculus

I have a caternary arch kiln. the inside base, is 4 feet. The apex of the inside parabolic arch is four feet. How many feet is the inside of the kiln?

128. ## trig

Find the numerical value of cos(60degree) + cot(30degree): (A) 1/2 (B) 3p3/2 (C) 12 +p3 (D) 52p3 (E) None of the above.

129. ## Math

how many 3-digit numbers can be formed using only the digits 1 to 7, if the number 2 must be included? (Repetitions are allowed) The books says 127. Could someone please explain this? Thanks

130. ## math

Why is number theory important in mathematics?

131. ## Physic

A certain object with a surface temperature of 150 degree C is radiating heat at a rate of 200 J/s. To triple the object's rate of radiation energy, what should be its surface temperature in Celsius?

132. ## Physics

You have been sent in a small spacecraft to rendezvous with a space station that is in a low circular Earth orbit, say, with a radius of 6,720 km, approximately that of the orbit of the International Space Station. Due to mishandling of units by a

133. ## Physic

If it takes a particle in SHM 0.20 s to travel from the equilibrium position to the maximum displacement (amplitude), what is the period of oscillation?

134. ## pre cal

what is the equation to make a heart out of a cardioid?

135. ## Government

which could a special district provide? A. School Administration B. Park Maintenance C. Police Protection D. All of the above

136. ## Physics

The bars representing gravitational potential energy and mechanical energy will increase when you increase the angle. Why?

137. ## math

Should number theory be taught to grade school children?

138. ## math

according to what rule are the numbers arrange 8-9-7-10-12-20-28-29?

139. ## math

Do you feel that nature influenced the development of geometry? How?

140. ## Algebra

I am having problems with inequalities. How can I express this problem as one? Derek has \$750 at the start of summer and spends \$65 a week for expenses. How many weeks can he withdraw expenses and still have \$250 at the end of summer.

141. ## Maths

Hi, I'm sure I'm doing something wrong here, I'm coming up with an exorbant amount of rainfall for ONE ROOF in a school. Somehow I don't think that in a drought-prone area it is feasable to expect the following to be true. I am unsure where I'm going wrong

asked by URGENT help plz plz plz plz
142. ## Physics

Solar heating takes advantage of solar collectors such as the type shown in the figure . During daylight hours, the average intensity of solar radiation at the top of the atmosphere is about 1400 W/m^2. About 50% of this radiation reaches the Earth during

143. ## Math

what is the unpaid balance at the end of the 10th year on a 30 year loan on 250000 loan