# Questions Asked onApril 15, 2011

1. ## Calculus (urgent!!)

A particle moves with its position given by x=cos(2t) and y=sin(t), where positions are given in feet from the origin and time t is in seconds. A)Find the speed of the particle. Speed = ____________ (include units) B)Find the first positive time when the

2. ## Chemistry (please check)

1)Which of the following compounds has the largest lattice energy: LiF LiCl NaF NaCl 2)Which of the following compounds has the most ionic character in its bonding: CaBr2 GeBr4 KBr GaBr3 3)Using the electronegativity table on page 364 of your text, which

3. ## Calculus (pleas help!!!)

Consider the parameterization of the unit circle given by x=cos(4t^2−t), y=sin(4t^2−t) for t in (−InF, INF). Describe in words and sketch how the circle is traced out, and use this to answer the following questions. (a) When is the parameterization

4. ## Chemistry

The reform reaction between steam and gaseous methane () produces "synthesis gas," a mixture of carbon monoxide gas and dihydrogen gas. Synthesis gas is one of the most widely used industrial chemicals, and is the major industrial source of hydrogen.

5. ## Statistics

you draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck. a) are the outcomes on the two cards independent? why? b) find P(3 on 1st card and 10 on 2nd) c) find P(10 on 1st

6. ## PHYSICS

The pressure at the bottom of a vessel filled with liquid does not depend on: a- the acceleration of gravity b- the liquid density c- the height of the liquid d- the area of the liquid surface

7. ## Chemistry

At 298K, 2PCl3(g)+O2(g)---> 2POCl3(l) Delta H= -620.2kJ for the reaction and the standard molar entropies are ,PCl3(g)= 311.8J/K,O2(g)= 205.1J/K and POCl3(l)=222.4J/K. Determine the standard free energy change at 298K.

8. ## science

100 ml of 0.02 M acetic acid (pKa= 4.76) is titrated with 0.02 N KOH. After adding some base to the acid solution, the observed pH is 2.76. At this pH degree of protonation is

9. ## Physics -work shown

A heavy conductor (mass m, length `, resistance R) is suspended by two springs each with spring constant k, and connected to a battery with electric potential V as shown in the figure. A magnetic field ~B is now imposed. The acceleration of gravity is 9.8

10. ## Chemistry

2C2H6 +7O2 --> 4CO2 + 6H2O If 6 moles of O2 are used in the following reaction, how many grams of CO2 will be produced?

11. ## 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?

12. ## earth science

what element does ammonia replenish in the soil?

13. ## Physics

Can someone check if this is correct or not? Listed following are events or phenomena that occur during either the part of the sunspot cycle known as solar minimum or the part known as solar maximum. Match these items to the correct part of the sunspot

14. ## PHYSICS

A) As a wind instrument warms up, the resonant frequencies of the instrument tend to slightly decrease. B) If the air in a concert hall warms up, the resonant frequencies of the string instruments will change precisely the same as the resonant frequencies

15. ## chemistry

PLEASE NOTE: Titration requires several steps in order to obtain exact results. The procedures described in this lab assume that you have already done the TITRATION TUTORIAL and are familiar with the technique. 1. Prepare the NaOH solution by dissolving

16. ## Physics

Suppose the roller coaster in Fig. 6-41 (h1 = 30 m, h2 = 11 m, h3 = 20) passes point 1 with a speed of 2.10 m/s. If the average force of friction is equal to one fifth of its weight, with what speed will it reach point 2? The distance traveled is 50.0 m.

17. ## AP CALCULUS!! HELPPP URGENT

related rates: the base of a pyramid-shaped tank is a square with sides of length 12 meters, and the vertex pyramid is 13 meters above the base. the tank is filled to a depth of 5 meters, and water is flowing into the tank at the rate of 2 cubic meters er

18. ## physics

what is the torque a bolt with 30 cm wrench with an applied force of 650n?

19. ## algebra

How to simplify the square root of 45 plus 4 square root 5

20. ## Business Math

What amount must be paid to settle an invoice of \$1200 dated Nov.28 , terms 3/10, n/30 if the invoice is paid on Dec. 3? I got \$1164. Am I right? Thanks

21. ## statistics

you draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck.

22. ## Physics *work shown ~ pls help!

An electron is accelerated by a 6.4 kV potential difference. The charge on an electron is 1.60218 × 10^−19 C and its mass is 9.10939 × 10^−31 kg. How strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.1

The Crab pulsar (m=2.00x10^30 kg) is a neutron star located in the Crab Nebula. The rotation rate of the Crab pulsar is currently about 30.0 rotations per second, or 60.0pi rad/s. The rotation rate of the pulsar, however, is decreasing; each year, the

24. ## Chemistry (Hess's Law)

NO2(g) → 1⁄2N2(g) + O2(g) ΔH1 = -33.9 kJ NO2(g) → NO(g) + 1⁄2O2(g) ΔH2 = 56.5 kJ What is ΔH for the reaction 1⁄2N2(g) + 1⁄2O2(g) → NO(g) ?

25. ## PHYSICS please

what is the minimum gauge pressure needed in the water pipe leading to a building if the water is to come out of a faucet on the 12th floor, 41m. above the pipe.

26. ## Math

Jennifer has a 60-month fixed installment loan, with a monthly payment of \$223.04. The amount she borrowed was \$11,000. Instead of making her 36th payment, Jennifer is paying the remaining balance on the loan. What is the total amount due to to pay off the

27. ## Statitics

The value given below is discrete. use the continuity correction and describe the region of the normal distribution that corresponds to the indicated probiality. The probability of fewer than 35 men are senators who are men a)the area to the left of 35.5

28. ## geometry

Triangle ABC has vertices A(-3,2) B(4.5) AND C(4,-1) Fin out wether the triangle is isosceles?

29. ## chemistry

How do you balance the equation NH3 + CuO > Cu + H2O + N2

30. ## statistics

According to the book Are yoy Normal?, 40% of all US adults try to pad their auto insurance claims to cover their deductible. Your office had just received 128 in insurance claims to be processed in the next few days. What is the probability that half or

31. ## Chemistry

Benzene (C6H6) is an organic compound that boils at 80.1°C. If 100.0 grams of liquid benzene at 18.5°C is given 16.88 kJ of energy, what is the final temperature (in °C) of the benzene? The ΔHvaporization for benzene = 31.0 kJ/mol and the specific heat

32. ## physics

What mass (in grams) of steam at 100°C must be mixed with 341 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 57.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, and

33. ## chem

Consider the following reaction. 2 NO(g) + 2 H2(g) N2(g) + 2 H2O(g) An equilibrium mixture of this reaction at a certain temperature was found to have [NO] = 8.1 10-3 M, [H2] = 4.1 10-5 M, [N2] = 5.3 10-2 M, and [H2O] = 2.9 10-3 M. What is the value of the

34. ## chemistry

Find te Yield of Carbon Dioxide in an Alkaseltzer Reaction. Equation: HCH3COO (Acetic Acid)+ NaHCO3 (Sodium Bicarbonate) -> NaCH3COO+ H20 (water)+ CO2 (Carbon Dioxide) So i know to find the Yield its Actual Yield / Theoretical Yield. How do i find the

35. ## PHYSICS

The input piston of a hydraulic press is 20mm in diameter, and the output piston is 10mm in diameter. an input force of 1.0N will produce an output force of: a- 0.25N b- 0.50N c- 2.0N D- 4.0N

36. ## algebra

While working at The Nut House you are asked to make a mixture of raisins and nuts worth \$2.75/lb. You have 12 pounds of raisins worth \$1.25/lb. How many pounds of nuts worth \$4.00/lb should you add to the raisins to get the right-priced mix? I have no

37. ## medical

i am Prepare a report on what information i found that could impact your future career and how will you use this information? medical in the office. •Changes experienced by the organization? •Mission, vision, and values of the organization? •Discuss

38. ## physics

An object with a net charge of 21 µC is placed in a uniform electric field of 590 N/C, directed vertically. What is the mass of the object if it "floats" in the electric field?

39. ## statistics

A researcher is testing a null hypothesis that states: H: ì = 50. A sample of 25 scores is selected and the mean is M = 55.Assuming that the sample variance is s2 = 100, compute the estimated standard error and the t statistic. Is this sample sufficient

40. ## MATH

A Science instrutor assigns his student one second of home work..the first week of school,two seconds. the second week four seconds, the third.if the student asked whether he would agree to this weekly homework doubling for the duration of the 36-week

41. ## trig

Graph this trigonometric function. y=-4cos(x/2+3.14)+1

42. ## physics

A driver measures her "cold" tire gauge pressure to be 1.95 105 Pa. The measurement is made before driving, when the tires are at the temperature of the surroundings, 21.7° C. After driving several miles, she checks the gauge pressure again and finds that

43. ## College Algebra

The function H described by H(x)= 2.75x+71.48 can be used to predict the height in centemeters, of a woman whose humerus(the bone from the elbow to the shoulder)is x cm long. Predict the height of a woman whose humerus is 32cm long.

44. ## Physics

f a water bed is 1.81 m on each vertical side and 30 cm high. Find its weight. The acceleration of gravity is 9.8 m/s2 and the density of water is 1000 kg/m3. Answer in units of N

45. ## chemistry

. Given the following stocks 4M NaCl, 3M NaOH, 5M HCl (a) Prepare 200ml of a solution containing 0.5M NaCl and 0.1M (b) Prepare 300ml of a solution containing 0.5M NaCl (c) Prepare 200ml of a solution containing 0.5M NaCl and 0.1M HCl

46. ## physics

In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The solar radiation enters the collector through a transparent cover and warms the water in the tubes; this water is pumped into a

47. ## chemistry

Just wanted to say thank you to DrBob for responding back even if he wasn't able to answer the question posted on Thur. 4/14/2011. If there is anyone else who can answer I'd appreciate it.

48. ## Physic ~ pls help

A heavy conductor (mass m, length `, resistance R) is suspended by two springs each with spring constant k, and connected to a battery with electric potential V as shown in the figure. A magnetic field ~B is now imposed. The acceleration of gravity is 9.8

49. ## biology

Explain negative feedback and give one example in the human body.

50. ## Physics ~work shown pls help!

An electron is accelerated by a 6.4 kV potential difference. The charge on an electron is 1.60218 × 10^−19 C and its mass is 9.10939 × 10^−31 kg. How strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.1

51. ## social studies

Explain how The Federalist Papers would have been more or less successful if newspapers had been printed monthly (rather than daily or weekly) in a few sentences.

52. ## physics

Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.13 x 10^-3 g. The particle is initially moving perpendicular to one of the walls of the box at a speed of 525 m/s. Assume that the collisions

53. ## Chemistry

Calcultate the volume (in mL)of 0.250M silver nitrate solution required to react completely with a 5.00g piece of copper wire. (Assume the reaction runs at 100% yield.)

54. ## Chemistry

Oxides of nitrogen are produced in high-temperature combustion processes. The essential reaction is: N2(g)+O2(g)--->2NO(g) At what approximate temperature will an equimolar mixture of N2(g) and O2(g) be 5.0 % converted to NO(g)?

55. ## geometry

find x, if ABC is an isosceles triangle with AB=BC

56. ## MAth

a concrete area measures 20ft on each side. the concrete slab will be 8 inches deep. how many cubic feet of concrete will be needed? my set up is 20 x 20 + 32 ????

57. ## math

In how many ways can a committee of five people be selected from seven women and nine men if at least one woman must be in the committee?

asked by Fakaapo. Suetusi
58. ## Chemistry

Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g) If 1.0g of Mg is reacted with 10.0mL of 6.0M HCl, what volume of hydrogen gas will be produced at 298K & 1atm?

59. ## Statistics

Before i state my question I would like to note that I have to do a one tailed test but i don't know how to with the information given. I need a standard deviation, i need a mean, but do i use the mean for yrs drivin or number accidents. Please explain 2.)

60. ## economics

some study guide questions i am stumped on 1 uncertainty about the future is likely to a increase current spending b either increase or decrease c decrease current spending d no impact on current spending think it's d 2 as the general price level increases

61. ## physics

Find the rms speed of H2O molecules in atmospheric water vapor at a temperature of 13.2° C.

62. ## MAth

I set this problem up as 500-2X=3,400 Marys monthly salary is \$500 less than twice her daughter's salary. Together they earn \$3,400 each month. How much is the daughter's salary. ans-1,300 500-500-2x=3,400-500 2x=3,100 2x/2=3,100/2 what am I missing

63. ## Chemistry

A 30.9 L cylinder containing C2H4F2 at a pressure of 114.0 torr is connected by a valve to 0.865 L cylinder containing C4H10 at 114.0 torr pressure. Calculate the partial pressure (atm) of C4H10 when the valve is opened.

64. ## nutrition

in America --million children live in poverty .

65. ## chemistry

If 20 L of O2 burns completely a sample of carbon disulfide, how many liters of carbon dioxide are produced, how many liters of carbon dioxide are required? How did you get 16?

66. ## English-CHECK PLEASE

Ok, I figured this out (I think) but can you please check? Don't worry. I can carry the tent all by myself because it is so light. I do not even need a lantern it is so light outside. In these sentences, the word "light" is used as a: A:homophone

67. ## Criminal Justice

Could someone please help me with this question? What are crime rates? This is what I have so far: Crime rates are the number of offenses reported for each unit of population. How could I expand on this? Thanks for your help!

68. ## Chem

estimate the aqueous solubility, in milligrams per liter of AgBr(s) at 160 degrees C

69. ## Chemistry

Estimate the aqueous solubility, in milligrams per liter, of AgBr(s) at 160degrees celsius.

70. ## Chemistry

Zn + HCl --> ZnCl2 + H2 If 18 grams of Zn are used in the following reaction, how many grams of H2 will be produced?

71. ## Physics

A cylinder with a moveable piston holds 2.60 mol of argon at a constant temperature of 295 K. As the gas is compressed isothermally, its pressure increases from 101 kPa to 149 kPa. (a) Find the final volume of the gas. Answer in m3 (b) Find the work done

72. ## chemistry

How to calculate [Co3+] in equilbrium with [co(NH3)6]3+ when 10.0 g of Co (No3)3 is dissolved in 250.0 mL of 1.00 M NH3?

73. ## English

1. He may not be rich. 2. He can not be rich. (Are both the same or different? If they are different, why is that?)

74. ## MATH

A Science instrutor assigns his student one second of home work..the first week of school,two seconds. the second week four seconds, the third.if the student asked whether he would agree to this weekly homework doubling for the duration of the 36-week

75. ## Math.

A bowl contains 8 marbles: 3 red, 2 blue, 1 white, and 2 green. If 3 marbles are randomly selected without replacement, what is the probability that no green marble is selected? I don't know how to do probability.

76. ## sixth grade math

Gene has less than 12 nickels,dimes,and quarters in his pocket.The probability of pulling out a nickel or a quarter is 3/4.The probabilty of pulling out a dime is 1/4.How many coins does Gene have in his pocket?How many of each does he have?Please explain

asked by mike T
77. ## teaching

Collecting tickets and money from students, encouraging good manners, and helping with cleanup are tasks associated with which duty? A Monitoring the playground B Monitoring the lunchroom C Monitoring the halls D Monitoring the in-school suspension room I

78. ## Free Market Enterprise

This economy focuses on Competition. What goods and services should be produced? Electronic gadgets, Clothing, accessories, perfumes, vehicles, Spa treatment, Cellphone, toothpaste, chocolate milk. How should these goods and services be produced?

79. ## MAth

I don't know how to begin this one-help Janie bought 2 pairs of identical jeans at a sale.she paid regular price for the 1st pair and paid half price forthe 2nd pair.if the the total cost was \$45.00,what was the regular price of the jeans? 2x-1/2x=45 ??

80. ## chemistry

If 20 L of O2 burns completely a sample of carbon disulfide, how many liters of carbon dioxide are produced, how many liters of carbon dioxide are required?

81. ## Chemistry

An electrochemical cell that uses the reaction Ti^3+ + 2Cr^2+ -> Ti^1+ + 2Cr^3+ Has a standard cell potential of E¢ªcell = +1.19V a. Write the two half-cell reactions. b. Labeling all parts and show the direction of flow of electrons. (Place the anode

82. ## Japanese

On thursday I posted a question. I had done most of the work I just didn't put those things in my book. I have figured out some of those that I posted on Thursday and I have done everything else but can someone tell me what these answers are in

83. ## Chemistry

A 30.9 L cylinder containing C2H4F2 at a pressure of 114.0 torr is connected by a valve to 0.865 L cylinder containing C4H10 at 114.0 torr pressure. Calculate the partial pressure (atm) of C4H10 when the valve is opened.

asked by BOB PLEAE HELP!!!
84. ## Analytical Chemistry

Hi. We performed an experiment on UV-Vis Spectrometry, by testing the absorbance of KMnO4 and KCr2O7 solutions at different concentrations. We prepared the dichromate solutions with dilute sulfuric acid. Why didn't we use water, what is the purpose of

85. ## Solutions Chem

7) You have a 2.5M solution of Silver Nitrate. It contains 450mL of solution. How many grams of silver would you be able to extract? Cu (s) + 2AgNO3 (aq) -> 2Ag (s) + Cu (NO3)2 (aq) I've gotten this much: M=mol/L 2.5=mol/.45 mol= 2.5*.45 mol=1.125 Silver

86. ## discrete math

Fill in the blanks: For all sets A and B, if A is in the set of B, then A union B in in the set of B. Proof: Suppose A and B are any sets and A in in the set of B. [we must show that __________] Let x be and element of _______. [we must show that

87. ## History

Concidering how religion has shaped our nation by looking back at England and the climate there for Christian, explain the affect of colonization of the New World inregards to the Reformation in Great Britain.

88. ## Oral presentation

My teacher gave us a sonnet and he said that we have to do an oral presentation that faithfully interprets the meaning of the poem. Do you have any ideas on how to make an oral presentation describing a poem. Should I explain line by line or just put the

89. ## Math

Of the first graders who were asked, 1/6 like math best, 2/3 liked reading best, and 12 liked science best. How many were asked their favorite subject?

90. ## SQL

1- A SQL statement is needed to create a stored procedure that has one input parameter of data type int. The stored proc selects the supplierId field and the total, or sum, of all Count field values for each group of supplierId fields from the Part table.

91. ## English

Write a story using the words alcove, bigoted, clandestinely, corrugated, futile, inexorably, plausible, ramification, sanguine, and scrutinized. It can be any version of the word and they can be in any order.

92. ## Chem

A 150.0 mL cylinder containing CO at a pressure of 9.50 atm is connected by a valve to 9500 mL cylinder containing B5H9 at 2280 torr pressure. Calculate the partial pressure (atm) of B5H9 when the valve is opened.

93. ## Private Property

Hi. Im learning about economics, and I am not really strong in this area. So I would like to know what this term means. Private Property. Please try to simplify it as much as possible so that I understand.

94. ## algebra

How to simplify the square root of 45 plus 4 square root 5

95. ## Chemistry (lewis structure/bond)

Example: Sulfur Trioxide Chemical formula: SO3 Valence e-: ? Needed e-: ? Difference/Bond: ?? Please help me!

asked by Toni Jones
96. ## mechanics

Consider a jet of water striking a vertical wall horizontally a speed of v. After hitting the wall, the water moves along the wall. If the area of cross-section of the water jet is S, Find the force that it applies on the wall. Take the mass density of

97. ## Physics

A motorboat travels at a speed of 40 km/h relative to the surface of the water. If it travels upstream against a current of 12 km/h what is the boats speed relative to the shore?

98. ## physics

A) As a wind instrument warms up, the resonant frequencies of the instrument tend to slightly decrease. B) If the air in a concert hall warms up, the resonant frequencies of the string instruments will change precisely the same as the resonant frequencies

99. ## Foregin Language

How do u say hello in German and Italian?????????????????????????????????????????????????????

100. ## home economics

How many eggs should be added in to a standard chocolate cake recipe? :) k cool thankss

101. ## Physics

A conduction heat wave is caused to pass through a metal bar of average temperature Tmean = 36 degrees altering its temperature sinusoidally with an amplitude of Ti=2 degrees. The equation which gives the temperature T(x.t) of the metal bar at any place

102. ## calculus

Is it possible to find an example of a bounded region in the x, y plane that satisfies the following condition : when you revolve the region about the x axis you obtain a solid that has a volume equals its surface area

103. ## Algebra

I was given this problem to solve and no matter what order I multiply the variables I don't get the right answer. 27xy, when x=12.7 and y=100.4 the answer is 34,427.16 I cannot figure out the way to achieve this answer. I find problems with variable fairly

104. ## soc 110

a. In urban areas across our country, identify at least three technologies that Americans have become dependent upon in their daily lives. b. Using the technologies that you described in (a), discuss at least one advantage and one disadvantage that people

105. ## Command Economies

All I kind of know is that, the government controls the Command economies, they direct people on what to produce and what not. In the command economy what goods and services should be produced? I didn't really understand this, so I wrote down...Shoes,

106. ## algebra

How to simplify the square root of 45 plus 4 square root 5

107. ## Public Sector/Private Sector

Would like to know what Public and Private Sector Mean. In simplified terms please and thank you.

108. ## Free Market

Would please like to know about Free market in simplified Terms. Does it run without competition?

109. ## PHYSICS

A 30 kg. balloon is filled with 100 m to the third power of helium. how much force is needed to hold it down?

110. ## More Solutions Chem

You have 315.00g of sodium hydroxide. How many liters of dangerous 12.0M sulfuric acid (H2SO4) can you neutralize with your supply? __NaOH(s) +__ H2SO4(aq) -> __Na2SO4 + __H2O(l) I know the answer is .43, but I don't know how to get there. Thanks!

111. ## Physics with work, pls help

A proton is moving in a circular orbit of radius 11.8 cm in a uniform magnetic field of magnitude 0.232 T directed perpendicular to the velocity of the proton. Find the orbital speed of the proton. Answer in units of m/s. I came up with .118/2.83x10^-7 and

112. ## HIM

Medicare and Medicaid financial issues put constraints on? a. physician services b. critical care centers c. public hospitals or d. outpatient services

113. ## MAth

jerry is 6 more than 3 times as old as his son.together they are 46 yrs old. how old is jerry. ans -36 I set up problem 6+3x=46 to start?

114. ## GMAT Essay

Hey All, Please rate my GMAT essay out of 6. The topic is “Of all the manifestations of power, restraint in the use of that power impresses people most.” Explain what you think this quotation means and discuss the extent to which you agree or disagree

115. ## English

Select the letter of the best correction for the run-on below. Perhaps Eric first saw Greenland in midsummer when it was really green. A. Perhaps Eric first saw Greenland in midsummer it was really green. B. Perhaps, Eric first saw Greenland in midsummer

116. ## Math

Of the first graders who were asked, 1/6 like math best, 2/3 liked reading best, and 12 liked science best. How many were asked their favorite subject?

117. ## math

A factory needs two raw materials, say, A and B. The probability of having an adequate supply of material A is 0.94, whereas the probability of having an adequate supply of material B is 0.96. A study shows that the probability of a shortage of both A and

asked by Fakaapo. Suetusi
118. ## math

What is the average area of a theme park? Thanks!

119. ## Chemistry

How do you work the problem 1:10 dilution of 75mL of 2.5M H2SO4

120. ## Economic Equity

What does Economic Equity mean? I tried to come up with a simple definition for me to understand below. Economy in which the sharing of resources or goods among the people is considered fair. Is that it?

121. ## Physics ~ work shown, pls help!

A proton is moving in a circular orbit of radius 11.8 cm in a uniform magnetic field of magnitude 0.232 T directed perpendicular to the velocity of the proton. Find the orbital speed of the proton. Answer in units of m/s. I came up with .118/2.83x10^-7 and

122. ## calculus 2

evaluate: ¢²_(k=1)^¡Ä¢Æ(¡î(k+1)+¡îk)/¡î(k^2+k)

123. ## physics

Find the electric field at the folowing radii from the center of this charge configuration.

124. ## English

Arranging a narrative in chronological order does NOT help the writer to: A. recognize the order of events B. create interest by showing effects before their causes. C. show steady character development D. allow for surprise endings I'm stuck between A and

125. ## physical

Everyone i need your attention! I'm having a HUGE PE test on Monday, and I don't know how many players are on a basketball team!!!!! HELP??????

126. ## computer networking

Mobile Training is a small training firm that offers mobile classrooms that come to your company and teaches office software,such as word,excel,QuickBooks,etc. You're asked to design a network for use in a training environment. it should be mobile,easy to

127. ## math

using the inverse property of division how would you isolate -4.2? example of inverse property of multiplication: 3x-5=25 you would add 5 to 25 and then divide 3 to 3x and 25

128. ## calculus

Is it possible to find an example of a bounded region in the x, y plane that satisfies the following condition : when you revolve the region about the x axis you obtain a solid that has a volume equals its surface area

129. ## math

is this equation is a linear equation [x + 2y -3z / e^2 + In(2) =0.]true or false

asked by Fakaapo. Suetusi
130. ## help please

if you are printing an essay on the comuter....can the essay be double line space?

131. ## social studies

Compare the Freedom Charter with the United States Constitution. What rights and guarantees does the Charter call for that are different from those in the Constitution?

132. ## Economic security

I don't really understand this term. Could you please explain it to me.

133. ## music

what similarities does Claudio Monteverdi and Antonio Vivaldi have in common?

what are a few leadership strategies best suited for today’s industry needs?

135. ## College Algebra

The length of a rectangle is fixed at 11cm. What widths will make the perimeter greater than 72cm?

136. ## home economics

Wha is leisure?give 5 implications of leisure

137. ## Algerbra

what is x if the problem is: (x+2)(x+4)=30+x

138. ## Definition

What does innovation mean? Does it just mean a new idea?

139. ## Economic Stability

What does this term mean? Does it basically mean.. The rate at which the general level of prices for goods and services is rising. Could you sort of simplify it a bit more. What does general level mean?

140. ## biology

Photosynthetic electron transport, like cellular respiration electron transport, is a series of redox reactions. True False I think it is true.

141. ## music

what similarities does Claudio Monteverdi and Antonio Vivaldi have in common?

142. ## science (nursing)

what does education means in the field of nursing

143. ## english macbeth act 3

hey sorry i can't find the question iu poseted earlier so i'm going to ask again....it's about macbeth act3.... how did the relationship between macbeth and lady macbeth change? again all that i know is that macbeth wants more power and lady macbeth is

asked by Mark J.

HOW DO YOU MAKE -4.2 A ONE, HOW DO YOU ISOLATE IT OR DO SOMETHING SIMILAR

145. ## math

(B-C)^2=(C-B)^2, Where B and C are (n x n) in matrices.Is it true or false.

asked by Fakaapo. Suetusi
146. ## math

i am wonder how to do divsion

147. ## Math

how do you find the surface area of a sphere if the circonference measures 20 pie ft? A. 1256.6ft squared B. 10ft squared C. 314.2ft squared D. 62.8ft squared

148. ## Psychology

Is it easier for young women or older women to 'weather' a divorce. I've looked all through my book and cannot find any into pertaining to this question. Please help.

149. ## Calculus 3

Compute the average value of following !@#\$%^&tion over the region R? f(x,y)= sinxsiny R= { (x,y): 0 ≤ x ≤pi, 0 ≤ y ≤pi}

150. ## science (nursing)

can you help me what are the big ideas for nursing