Questions Asked on
March 18, 2010

  1. Chemistry

    How much heat is absorbed/released when 35.00 g of NH3(g) reacts in the presence of excess O2(g) to produce NO(g) and H2O(l) according to the following chemical equation? 4NH3(g)+5O2(g)--->4NO(g)+6H2O(l) DeltaH=1168kj

    asked by Daqa
  2. Chemistry

    When 0.250 mol of CH4(g) reacts with excess Cl2(g) at constant pressure according to the chemical equation shown below, 177 kJ of heat are released. Calculate the value of Delta H for this reaction, as written. 2CH4(g)+3Cl2(g)-->2CHCl3(l)+3H2(g) delta H=?

    asked by Daqa
  3. CHEMISTRY

    How could you tell whether a white powder you have is sodium bicarbonate or sodium phosphate?

    asked by KEISHA
  4. chemistry

    Calculate how many joules of (total) heat energy are needed to convert the ice at -25.0 *C to steam at 100.0 *C?

    asked by secret XD
  5. college physics

    In a nuclear reactor, neutrons released by nuclear fission must be slowed down before they can trigger additional reactions in other nuclei. To see what sort of material is most effective in slowing (or moderating) a neutron, calculate the ratio of a

    asked by Kyle
  6. 10th grade

    A tree casts a 25 foot shadow. At the same time of day, a 6 foot man standing near the tree casts a 9 foot shadow. What is the approximate height of the tree to the nearest foot?

    asked by boom
  7. CHemistry

    CH4(g) + CO2(g) 2CO(g) + 2H2(g) Kp = 4.5 x 10^2 at 825 K An 85.0 L reaction container initially contains 22.3 kg of CH4 and 55.4 kg of CO2 at 825 K. Assuming ideal gas behavior, calculate the mass of H2 present in the reaction mixture at equilibrium.

    asked by Krysten
  8. Chemistry

    Use the reactions below to predict the equilibrium constant for the reaction 2A(g)3D(g) A(s)1/2B(g)+C(g) k1=0.0334 3D(g)B(g)+2C(g) k2=2.35 I know that you have to make modifications according to the stoichiometric coeffecients. So do I divide k1 by 2 and

    asked by Katie
  9. Statistics

    T-Test The article “Does Smoking Cessation Lead to Weight Gain?” described an experiment in which 322 subjects, selected at random from those show successfully participated in a program to quit smoking were weighed at the beginning of the program and

    asked by Peter
  10. math

    A fraction equivalent to 45/60 if you were to multiply the denominator by the numerator the product would be 192

    asked by suz
  11. pre calculus

    A velocity of 30 mph is resolved into two components, each of which makes an angle of 45 degrees with it. Find their magnitude.

    asked by danders
  12. physics question

    A spacecraft in the shape of a long cylinder has a length of 100 m, and its mass with occupants is 1660 kg. It has strayed too close to a black hole having a mass 103 times that of the Sun (Msun = 1.99 x 1030 kg). The nose of the spacecraft points toward

    asked by Rick
  13. Chemistry

    The vapor pressures of ethanol (C2H5OH) and 1-propanol (C3H7OH) are 100 mmHg and 37.6 mmHg, respectively. Assume ideal behavior and calculate the partial pressures of ethanol and 1-propanol at 35 degrees Celsius over a solution of ethanol in 1-propanol, in

    asked by Arnold
  14. trigonometry

    The angle of elevation of the top of a tower to point A on the ground is 61 degrees. At point B it is 600 feet farther from the base, in line with the base and the first point and in the same plane, the angle of elevation is 32 degrees. Find the height of

    asked by berriengk
  15. English

    5. Sarita's party takes place at night and all the villagers are gathered there. How do these details help make the party a good setting for the stranger to accomplish his goal? (1 point) * He can arrive and escape without people seeing him. * It will take

    asked by Leah
  16. math

    A vessel sails 32 miles S 45 degrees E. How far south has it sailed? The wording of it confuses me.

    asked by berriengk
  17. Statistics 250

    In a normal distribution, what z-score value separates the highest 90% of the scores from the rest of the distribution? a)z = -1.28 b)z = 1.28 c)z = -0.13 d)z = 0.13

    asked by Alica
  18. Chemistry

    Could you please find my mistake in this problem? I'm not getting the right answer. :[ Use the reactions below to predict the equilibrium constant for the reaction 2A(g)3D(g) A(s)1/2B(g)+C(g) k1=0.0334 3D(g)B(g)+2C(g) k2=2.35 I know that you have to make

    asked by Katie
  19. Chemistry

    The reaction Co(H2O)6^+2 + 4Cl- CoCl^-2 + 6H2O is at equilibrium. The left side is pink and the right side is blue. 1. What would happen if you added AgNO3? Would nothing happen? Or would the Ag+ react with the Cl- and shift the reaction left? 2. What

    asked by Heather
  20. Chemistry

    Calculate the electrical voltage of an electrochemical cell using Pb(s) and Co(s) as electrodes along with their appropriate solutions. Co2+(aq) + 2e- --> Co(s) -0.28 V Pb2+(aq) + 2e- --> Pb(s) -0.13 V The oxidation reaction is Co(s) --> Co2+(aq) + 2e-

    asked by Melissa
  21. Statistics 250

    For the past 20 years, the high temperature on April 15th has averaged µ = 62 degrees with a standard deviation of σ = 4. Last year, the high temperature was 72 degrees. Based on this information, last year's temperature on April 15th was the following.

    asked by Alica
  22. Chemisty II

    At what temperature would a 1.05m NaCl solution freeze, given that the van't Hoff factor for NaCl is 1.9? Kf for water is 1.86 C/m.

    asked by ChemChem
  23. Chemistry

    Could you please find my mistake in this problem? I'm not getting the right answer. :[ Use the reactions below to predict the equilibrium constant for the reaction 2A(g)3D(g) A(s)1/2B(g)+C(g) k1=0.0334 3D(g)B(g)+2C(g) k2=2.35 I know that you have to make

    asked by Katie
  24. physics help

    Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. The target box is horizontal distance D = 1.60 m from the edge of the table, see the figure. Bobby

    asked by stan
  25. english

    Is this a good thesis statement about horror movies. Compare today's horror film violence with the classic horror films of the earlier years.

    asked by debbie
  26. Statistics 250

    The NCAA men's basketball season starts with 327 college teams all dreaming of making it to "the big dance" and attaining the National Championship. Sixty-four teams are selected for the tournament, and only one wins it all. (Assume that every team has an

    asked by Alica
  27. english

    need a thesis statement about horror movies

    asked by debbie
  28. 9th grade

    Factor y2 + 10z - 10y - yz.

    asked by mina
  29. Math

    Strong winds called the prevailing westerlies blow from west to east in a belt from 40 degree to 60 degree latitude in both Northern and Southern Hemisphere. 1.Write an inequality to represent the latitudes where the prevailing westerlies are not located.

    asked by Shadow
  30. Physics

    Two speakers are driven by the same oscillator with frequency of 140 Hz. They are located 4.00 m apart on a vertical pole. A man walks straight toward the lower speaker in a direction perpendicular to the pole. He will hear the minimum in sound intensity

    asked by leigh
  31. Chemistry

    The reaction Co(H2O)6^+2 + 4Cl- CoCl^-2 + 6H2O is at equilibrium. The right side is pink and the left side is blue. 1. What would happen if you added AgNO3? Would nothing happen? Or would the Ag+ react with the Cl- and shift the reaction left? 2. What

    asked by Heather
  32. Chemistry

    If the yield from the reaction of acetic acid with isopentyl alcohol is 45% how many grams of isopentyl acetate are formed from 3.58g of acetic acid and 4.75g of isopentyl alcohol?

    asked by Zach
  33. English

    What Kind Of Diction Is Used In "A Voice" By Pat Mora?

    asked by Yudit
  34. Statistics 250

    If you roll a die 38 times and 12 of the rolls result in a "5," what empirical probability was observed for the event "5"?

    asked by Alica
  35. Chemistry

    I'm having a hard time with Redox and how to figure out which is redox Select all of the reactions that are redox reactions. I) Ca + 2H2O  Ca(OH)2 + H2 II) CaO + H2O  Ca(OH)2 III) Ca(OH)2 + H3PO4  Ca3(PO4)2 + H2O IV) Cl2 + 2 KBr  Br2 + 2 KCl I

    asked by Mark
  36. English

    Does anyone know any good quotes about Jordan Baker and Myrtle Wilson in the Great Gatsby. I only have about 7: "Daisy and Jordan lay upon an enormous couch, like silver idols weighing down their own white dresses against the singing breeze of the fans."

    asked by Linea
  37. Chemistry

    I'm having a hard time with Redox and how to figure out which is redox Select all of the reactions that are redox reactions. I) Ca + 2H2O  Ca(OH)2 + H2 II) CaO + H2O  Ca(OH)2 III) Ca(OH)2 + H3PO4  Ca3(PO4)2 + H2O IV) Cl2 + 2 KBr  Br2 + 2 KCl I

    asked by Mark
  38. physics

    A force of 240 lb. is resolved into forces at right angles to one another, the angle of F2 being 56 degrees from the 350 lb. force. Find F2.

    asked by dcw
  39. Chemistry

    The weak base-conjugate acid buffer used in this laboratory consists of a weak base ammonia, NH3, and its conjugate acid ammonium chloride, NH4Cl. If the NH3 concentration is 0.05 M and the NH4Cl concentration is 0.05 M, what is the pH of the buffer? Kb

    asked by E
  40. math

    A child's coin bank contains $2.58 in pennies and nickels. If the number of pennies is 36 less than 2 times the number of nickels, how many pennies are in the bank? A) 38 pennies B) 42 pennies C) 48 pennies D) 2 pennies

    asked by Natatlie
  41. Chemistry

    I think these I know how to do ....just want someone to check..still sorta mixed up on the first question. Thanx For the following reaction, what is the correctly balanced reduction half-reaction? Fe(OH)3(s) + Cu(s) → Fe(s) + Cu+(aq) + OH-(aq) A. e- +

    asked by Mark
  42. physics

    A series RLC circuit has a resonant frequency of 6.00 kHz. When it is driven at 8.00 kHz, it has an impedance of 1.00 k(ohm)and a phase constant of 45 degrees. What are the R (resistance), L (inductance), and C (capacitance) of the circuit?

    asked by Alex
  43. Math

    How many vertices do the hexagonal prism have?

    asked by Makayla
  44. English

    I only have one question on this script that I need help on. This script is different and is called NO SMOKING by jacinto benavente. It is pretty good. I actually found a link to this script and here it is: I can't actually post the link on here but you go

    asked by Sara
  45. Math

    Express each statement using an inequality involving absolute value.Do not solve. 1.The majority of grades in Sean's English class are within 4 points of 85. 2.AA thermometer is guaranteed to give a temperature no more than 1.2F from the actual

    asked by Shadow
  46. biology

    consider two plants with genotypes Rrtt and rrTt where red color is(R) is domiant over white(r) and being tall(T) is dominat over being short(t). complete the following punnett squares to determine the possible gametes each parent can produce

    asked by lulo
  47. english

    i need to write a process paragraph about how yeast causes bread to rise. i was wondering if this was good. Yeast is the essential cells of Saccharomyces cervisiae waiting to be activated. Take a half cup of warm water or milk in a bowl, and add a teaspoon

    asked by deborah
  48. Intro to Local Area Networks

    1. System A consists of a single ring with 100 stations, one per repeater. System B consists of four 25 stations rings linked by a bridge. If the probability of a link failure is , a repeater failure is , and a bridge failure is , derive an expression for

    asked by Ramie
  49. Physics, help please!!!

    A tank is fillwed with 0.7m of water, a hole at the bottum of the tank with a radius of 0.001m is opened. At the same time, water is added to the tank at the same rate as it exits, calculate the speed at which water flows out from the hole. I am using

    asked by Dave
  50. college

    to how much water should 50.0 ml of 12.0 M HCl acid to be added to produce a 4.00 M solution?

    asked by vik
  51. latin

    how to say hi or hello?

    asked by citlalli
  52. Math

    Find the perimeter of a square if the diagonal measurement is 36 inches.

    asked by Mary
  53. 4gr math

    is the value of 3 nickels and 4 dimes an even number of cents or an odd number of cents

    asked by jojo
  54. personal finance

    Which of the following statements is FALSE: A) Individual investors should be involved in choosing a mutual fund because they know how the objective of a mutual fund match their own investement objectives B)Professional fund managers do make mistakes

    asked by vedrana
  55. Geometry

    Given angle 4=65 and angle 5=115 write two paragraph proofs to show that r is parallel to s

    asked by Anonymous
  56. math

    Mr. Gray was able to cut twelve 3-foot pieces of wood from a board without wasting any part of the board. What is the largest number of 4-foot pieces of wood Mr. Gray could have cut from the same board? Pls. explain.ty

    asked by sam
  57. physics

    Evidence suggests that there are trillions of dollars' worth of minerals and metals buried in Near Earth Asteroids (the ones that come close to the Earth, not the ones in the asteroid belt between Mars and Jupiter). Many scientists think an asteroid mining

    asked by Jeff
  58. Statistics 250

    Final averages are typically approximately normally distributed with a mean of 65 and a standard deviation of 8. Your professor says that the top 10% of the class will receive an A; the next 20%, a B; the next 41%, a C; the next 19%, a D; and the bottom

    asked by Alica
  59. History

    WHy ere the women in ancient egypt better off than the women in ancient greece? THANKS, HELP

    asked by HELP
  60. trig

    Hi I need to solve this question for x, where 0

    asked by Kayla
  61. Math

    Solve the compound inequality. 1.-n5. 2.2c-4>-6 and 3c+1

    asked by Shadow
  62. Math

    A model airplane takes 2.7 hours to construct and 13.5 hours to finish. Determine the ratio of construction time to finish time in simplest form

    asked by Natatlie
  63. Biology

    37. Wings, fins, and arms are limb adaptations that allow mammals to a. live in different environments b. attain diverse sizes c. nurse their young d. communicate with other mammals A? 4. Which is NOT a characteristic of function of the epidermis? a.

    asked by mysterychicken
  64. Geometry

    The measure of an exterior angle of a triangle is 120. the interior angles that are not adjacent to this exterior angle are congruent. find the measures of the interior angles of the triangle

    asked by Anonymous
  65. english

    Can you please see if my corrections are ok? Thank you very much for helping me. 1) Refer then to the point of view from which a narration (instead of narrative story) can be told and the types of characters involved. 2) What message of nature does Davies

    asked by Franco
  66. Geography

    7. Keeping people healthy is a challenge in Africa because a. governmets are not concerned about health matters b. drought and famine cause poor diets and weaken the health of many people c. modern medicine has not yet reached the continent d. hurricanes

    asked by y912f
  67. social studies

    How did Geography affect where people settled in the southern colonies

    asked by Frankie
  68. AP Biology

    compare and contrast the mode of reproduction of a DNA virus with that of a typical RNA virus (retrovirus).

    asked by sheer
  69. Technology

    21. Discuss in an essay the various factors that are considered in design analysis. There are various factors that are considered in design analysis. In design analysis, designers have to carefully evaluate a design in terms of function, specifications,

    asked by y912f
  70. Biology

    41. What's more important to reptiles: internal fertilization, or the development of scales? What are the benefits of both adaptations and their relative importance to the species? Can I get some links, or suggestions to help me with this question? Thanks

    asked by mysterychicken
  71. Biology

    20. When the blood enters the gill filaments in a fish, its carbon dioxide content is ________ and oxygen content is _____ a. low;high b. low;low c. high;high d. high;low D? I'm not sure about this question... Thanks -MC

    asked by mysterychicken
  72. 4th grade

    14,000kg= how many grams

    asked by Anonymous
  73. prealgebra

    how do you solve y=-2x-5 y=-2x-8

    asked by John
  74. English

    What does this quote mean? "We forgive those who bore us, but never those whom we bore."

    asked by Sara
  75. 12th grade

    The most useful indicator of the degree of democracy reached by a particular society is whether it has a:

    asked by keke
  76. sicence

    Select all of the answers that apply. A map _____. 1)is a representation of the earth's surface 2)is a portable document describing an area 3)can provide data such as migration trends, directions, and rock composition 4)provides all of the information

    asked by nicky
  77. Math

    A Boeing 747 jet is approximately 230 ft. long and has a wingspan of 195 ft. If a scale model of the plane is about 40 cm long, what is the model’s wingspan?

    asked by Kirk
  78. Calculus

    Verify that the volume of a cylinder of radius r and height h is given be the formula v= pi*r^2*h using cylindrical shell method.

    asked by drew
  79. physics

    Need help with short projectile motion question a ball is thrown up off the roof of a school at an angle of 55 degrees from the horizontal and at a velocity of 25m/s. how long before it hits the ground if it land 95meters from the base of the building? at

    asked by jake
  80. To: Ms. Sue

    So Ms. Sue is the answer to the question: She did not have bothered to take this precaution, because she herself would be yapping all the way. Even after putting her daughter's head out the window; so she wouldn't have to listen to those nasty

    asked by Sara
  81. 12th grade

    I need help paraphrazing a section from Robert Browning's poem "My Last Duchess" here it is : Fra Pandolf chanced to say "Her mantle laps Over my lady's wrist too much,"

    asked by Brittany
  82. math

    The basketball coach wants to know the perimeter of the court. The area of the court is 4700 feet2. What is the perimeter? The long side of the court is 94 feet.

    asked by Christine
  83. human resources

    write 350 to 700 words in which you analyze and post how the human resources assistance plan and aids you have been working on for your final project fit into the company's strategic plan. I do not understand what I am supposed to do here. Could someone

    asked by Shelly
  84. algerbra

    -9/8x greater than -5/16

    asked by holly
  85. math 12

    I know this is alot to ask but could someone please check to see if I did this right and help me with the transformation. I was given this transformation problem. The cross section of the roof of a house is modelled by the function y= -5\12|x-12|+5, where

    asked by Karrie
  86. 6th grade science

    What is the universal law of gravitation?

    asked by mary
  87. math

    3 men went fishing they would divide all fish evenly. 1st guy get them divided with 1 left over, next guy divides without prior knowledge again throws the extra over finally the 3rd one gets up and divides equally with one lft over. What is the smallest

    asked by tina
  88. 4gr math

    forty-five is how much less than fifty-four

    asked by jojo
  89. algebra

    I am stumped!!! quadratic equation solve for x: xsq+16x+4=0 please show the steps

    asked by Terri
  90. maths

    As a foundation teacher how can you make maths sansetive to all foundation phase learners

    asked by Thandokazi
  91. college physics

    A 0.580-kg bucket rests on a scale. Into this bucket you pour sand at the constant rate of 85.0 g/s. A)If the sand lands in the bucket with a speed of 4.30 m/s, what is the reading of the scale when there is 0.770 kg of sand in the bucket? B)What is the

    asked by Kyle
  92. precal

    use the given info. to find the exact value of the trig function. csc u=-6/5, tan u is greater than 0 Find cos u/2

    asked by john 2020
  93. Pre Algebra

    9+5k=45+2k I don't even know where to begin with this. Can someone give me some direction please.

    asked by Wendy
  94. 5th grade

    What did the 100 year war do the economy?

    asked by Jacob
  95. art

    Can some one please help me with this question. It is for an art class, and im having trouble with this paper. I don't understand what the terms mean. I have looked them up but i still don't get them. • View the Neoclassic piece, The Emperor Napoleon in

    asked by jen
  96. Math

    I am not sure about this problem Find four large cities around the world and an approximate percentage rate of population growth for the countries in which the cities are located. Estimate the population in each of the four cities in 25 yr.

    asked by Kirk
  97. physics

    How long would it take for a 2.00kW pump to raise the same amount of water to the clouds's altitude 2.00km?

    asked by hard
  98. English

    1. Shine a light on/at/in the back of the sheet. 2. Shine a light in back of the sheet. (Which prepositions do we have to use?) 3. Play music for me. 4. I want you to play music with the guitar. 5. I want you to play the CD and make me hear the music from

    asked by rfvv
  99. college

    For a distribution _ _ X = 100 and s=4. If x= X then z=? If x = 90, then z =? If z=2, then x=? If z=1.5, then x =?

    asked by Debbie
  100. 4gr math

    how do you draw a perpendicular lines

    asked by jojo
  101. English

    Can you please tell me if the following statements are possible? Thank you very much for your help! 1) The action of the piston of the steam engine likens/is similar to/resembles/is like/ the head of an elephant in melancholy medness. 2)The town is

    asked by Franco
  102. Math

    Can you please help me explain why a perfect square cannot be a prime #? Thanks!

    asked by Erin
  103. Communications

    Please HELP this is my first comparative essay and I need someone to review it and tell me if I am on the righttrack or if I am loosing the plot. PLEEEEEEEEEEEEEESE

    asked by Cathy
  104. Statistics

    For a distribution _ _ X = 100 and s=4. If x= X then z=? If x = 90, then z =? If z=2, then x=? If z=1.5, then x =?

    asked by Debbie
  105. Algebra

    What is the domain when f(0)=0 and f(-2)=4? {x|__}.

    asked by B.B.
  106. English

    Who is Hana's funny friend? 1. Her funny friend is Junsu. 2. He is Junsu. 3. Junsu. 4. Junsu is. 5. Junsu is her funny friend. (Are the answers all correct? Which one is commonly used?)

    asked by rfvv
  107. English

    Can someone please tell me what this means: Secretive, not deceptive. She doesnt want to be comnfromed. And this: I love New York on summer afternoons when everyone's away. There's something very sensuous about it - overripe, as if all sorts of funny

    asked by Anonymous
  108. 4gr math

    round 64 to the nearest ten. round 87 to the nearest ten. then add the rounded numners.

    asked by jojo
  109. Math7

    Find the cost of the following situation. Dress Sale: Regular:$160 Now:$112 What % is given on the price of the dress?

    asked by Christine
  110. psychology

    Does stereotyping bring more attention to group members similarities or differences?

    asked by tonya
  111. English

    Thank you very much for your last corrections. Can you please let me know if the following statements are correct? 1)Briefly outline the different types of narrator you can encounter when reading a narrative text/or in a narrative text? Refer then to the

    asked by Franco
  112. history crossword puzzle

    an insurgent

    asked by Tony
  113. English

    From frankenstein can you discuss justine's choice.

    asked by ashley
  114. math

    1. Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton cost $60 and each tree is $75, what is the minimum number of trees you can buy

    asked by Anonymous
  115. math

    what is the eighth term of the sequence of the expression:5(n+2)?

    asked by brian
  116. Biology

    37. Wings, fins, and arms are limb adaptations that allow mammals to a. live in different environments b. attain diverse sizes c. nurse their young d. communicate with other mammals A? 4. Which is NOT a characteristic of function of the epidermis? a.

    asked by mysterychicken
  117. Geometry

    Write and equation of the line described A) the line parallel to y = 1\3x +5 and with a y-intercept of 1 B) the line perpendicular to y=-2x+4 and that passes though the point (-1,2)

    asked by Anonymous
  118. math

    0.9x + 9 greater than 1.3x-6 please solve

    asked by amy
  119. Chemistry

    Quantum Numbers. A) If n=4, then l should equal to 4 also. So what would ml be? B) If n=9, then 1 should equal to 9 also. So what would ml be? For A) ml I get 9 and B) ml to be 19. Are these right?

    asked by Anonymous
  120. trig

    how do i find the amplitude, period, phase shift of y=2 cos(-4t-(-4 pi/3))

    asked by Josh
  121. math

    in order to achieve from aerobic exercise, one should maintain one's heart rate at a certain level. A fourty year old women with a reating heart beat of 80 beats per minue should keep her heart rate between 140 and 160 beats per minute while exercising.

    asked by kendra
  122. Algebra

    Find the domain of the function. g(x)=5/5-4x. I think that it would read {x|x is a real number and x does not equal 5/4}.

    asked by B.B.
  123. math

    -9/8x greater than -5/16.Please solve

    asked by holly
  124. ALGEBRA

    How can I rearrange the following equation to solve for “x”: y = sqrt(x) / z

    asked by GGIFT
  125. Geometry

    Write an equation for line k that is perpendicular to line j and passes through points (1,1)

    asked by Anonymous
  126. Geometry

    Write and equation for a line n that is perpendicular to line k and passes through point (4,0)

    asked by Anonymous
  127. Finances in Healthcare

    How does discounted cash flow valuation work? How does it differ from the other valuation methods?

    asked by Jen
  128. Integrated Science

    The sun converts matter to radiant energy at a rate of 1.4 x 10 to the 17th power kg per year, how much matter is converted into energy every second?

    asked by Carole
  129. math

    f(x)=5,g(x)=2-3x^2,h(x)=10+15x^2 solve by inspection

    asked by tamrat
  130. science

    How do you use motors and gears in a robot so the robot can walk in a circular motion?

    asked by Strawberryhat
  131. Physics

    Find the displacement vector from the point(0,3-1) to the point (-2,6,4)give your answer in i,j,k notation,also give the magnitude to the displacement

    asked by Chigs
  132. algebra

    How do i write; The product when the sum of y and twelve is multiplied by five is one hundred.

    asked by Calye
  133. pre algebra

    1/3p+7=12-2/3p is the answer -5?

    asked by Xavier
  134. 6th grade

    i am a fraction between 1/8 and 1/4. the sum of my digits is 10

    asked by suz
  135. Organic Chem

    What is the generic reaction equation for the Maillard reaction? Please help ^_^

    asked by Ayla
  136. science (important project help!)

    im working on a science project which is what laundry detergent works best on stains and it was either between all oxi clean or tide. I need to present tomorrow so what if one of the questions they ask are to compare tide to the otheres which are oxi clean

    asked by mrs.bieber
  137. HRM 240

    Write 350 to700 words in which you analyze and post how the human resources assistance plan and aids you have been working on for your final project fit into the company's strategic plan

    asked by Anonymous
  138. social studies

    what is a trench warfare that was use during WW1

    asked by yuku
  139. transformations

    I was wondering if someone could check my answer to see if I'm doing this type of tranfomation right. The question is The graph of f(x) =|x| is compressed vertically by a factor or 1/2, then reflected in the x-axis and translated 4 units to the right and 5

    asked by Tori
  140. Geography

    3. One of the main problems challenging the economics of many African nations today is a. a lack of diverse exports b. increasing their export of raw materials c. competing with the industrial output of other African nations d. making fishing more

    asked by y912f
  141. Biology

    How much of your daily energy runs the digestion process?

    asked by jory
  142. physics

    Imagine an airplane passenger looking down on two automobiles side by side on the ground. According to the Rayleigh criterion, at what maximum altitude will the passenger just resolve them as two if their center-to-center separation is 3.3 m? Assume that

    asked by Andy
  143. Finance

    • What are the goals of cash management for a business? Should those goals be the same for every kind of business? Why or why not?

    asked by Denise
  144. College Math

    By looking at two linear equations, how can you tell that the corresponding lines are parallel?

    asked by Jimmy
  145. Math

    When graphing two linear equations, what is the significance of the intersection of the two graphs, and if there is no intersection?

    asked by Mark
  146. precal

    complete the identity: sec x - 1/sec x = ?

    asked by Anonymous
  147. accounting

    • Write a 200- to 300-word summary analyzing the implications of profitability and the net income of the company.

    asked by Anonymous
  148. Geography

    15. Which of the following problems is NOT a result of Egypt's growing population? a. overcrowded cities b. emigration of educated professionals to other countries c. a diminishing food supply d. widespread unemployment B?

    asked by y912f
  149. US History

    List three federal government strategies for uniting citizens and gaining citizens support for World War I

    asked by Anonymous
  150. maths

    solve: y=x-1, y=x squared+2x-7

    asked by nabiha
  151. pre algebra

    -6r-5=7-12r I can up with r=-3. Is this correct?

    asked by Wendy
  152. 5th grade

    Who was the 100 year war between? I honestly have no idea.

    asked by Jacob
  153. english

    Despite high-tech special effects of today's violent horror movies it does not create the emotional impact it did on the classic horrors films of the early 1900s.

    asked by debbie
  154. college

    Post a 200- to 300-word response to the following: Discuss an environmental problem that is significant. What are some causes? Are any of these causes related to human values and environmental ethics? What specifically do they (the causes) say? Explain.

    asked by Anonymous
  155. Genetics/Biology

    Recombination frequencies a. arise from completely random genetic exchange. b. are the same for all genes. c. decrease with distance. d. are the same for cis and trans heterozygotes.

    asked by Sonya
  156. MATH157

    SUPPOSE YOU BUY 1 TICKET FOR $1 OUT OF A LOTTERY OF 3000 TICKETS. IF THE PRIZE FOR THE ONE WINNING TICKET IS TO BE $500, WHAT ARE YOUR EXPECTED WINNINGS?

    asked by Q
  157. ALGEBRA

    I NEED help on the following problem can some one help me please and thanks 5x-y+z= 8 2x+2y-3z= 28 x-3y+2z= -15

    asked by MAYA
  158. 8th grade science

    What is radiation?

    asked by Erik
  159. English

    Hi, Can someone please tell the difference between diagnosis and prognosis? Thank you :)

    asked by Gaveen
  160. heath

    what is one strenght you see in the current U.S heath system

    asked by sandra
  161. Biochemistry

    How is it that cortisol stimulates glycogen synthesis and gluconeogenesis? Isn't that contradictory?

    asked by bre
  162. Math

    A student claimed that 9/(-11) is an improper fraction. How do you respond?

    asked by Kirk
  163. English

    1. Doing good to others is the best way to be happy. 2. Doing evil to others is terrible. 3. Cut out/completely all the pieces. 4. Cut all the pieces out/completely. (Can we use 'completely' instead of 'out'? Are all the expressions grammatical?) 5. Tape a

    asked by rfvv
  164. English

    1. What do you need to put on a shadow puppet show? 2. What do you need to perform a shadow puppet show? 3. What do you need to act on a shadow puppet show? (Which one is similar to #1, #2 or #3?)

    asked by rfvv
  165. 4gr math

    use the digits 4,8 and 7 once each to make an even number greater than 800

    asked by jojo
  166. history

    For my history class I need to identify these terms but do not know where I can find more info about them to make my answer a page long for each... these terms are.. FOOD AID and the Soviet-Afghan War that occured during the 20th century.. thanks

    asked by Rose
  167. economics

    The US Dollar is en route for depreciation, analyze how the US dollar depreciation may affect the Canadian economy. (this is an essay question for Macroeconomics, any insight or links you could help me with would be appreciated.)

    asked by Sherri
  168. History

    Why is historian Orlando Figes so against Lenin's actions - especially in the February and October revolutions

    asked by David
  169. English

    I just got back travelling the world. (Is this grammatical? Would you paraphrase this sentence? Does the sentence mean:I just got back while I was travelling the world.)

    asked by rfvv