Questions Asked on
May 23, 2011

  1. Chemistry

    The value of delta H for the reaction below is -1107kj. 2Ba (s) + O2 (g) -> 2BaO (s) How many kJ of heat are released when 5.75 g of BaO (s) is produced? Here is how I approached this problem: 1. Converted 5.75 g of BaO to mol: 5.75g x (1mol BaO/153.3g

    asked by Thao
  2. Chemistry

    A 15.5 mL sample of 0.215 M KOH solution requires 21.2 mL of acetic acid in a titration experiment. Calculate the molarity of the acetic acid solution. Please show all steps, I don't understand this.

    asked by Tina
  3. Chemistry

    If 15.omL of 0.0250 M aqueous H2SO4 is required to neutralize 10.0 mL of aqueous solution of KOH, what is the molarity of the KOH solution?

    asked by Tina
  4. chemistry

    how many half-lives of radon-222 have passed in 11.46 days?

    asked by Jerry
  5. Physics

    A string with a length of 2.5m resonates in five loops. The string linear density is 0.05 kg/m and the suspended mass is 0.5 kg.

    asked by shaquira
  6. Civics (The American President Movie)

    In the movie the American Dream President Andrew Shepard (Michael Douglas) shows the roles of the President. What are examples of him being 1. Chief of State 2. Chief Executive 3. Chief Adminstrator 4. Chief Diplomat 5. Commander in Chief 6. Chief

    asked by Katie
  7. Physics

    A string with a length of 2.5m resonates in five loops. The string linear density is 0.05 kg/m and the suspended mass is 0.5 kg. What is the wavelength and wave speed

    asked by shaquira
  8. geometry

    The surface area of a rectangular prism is 190 square inches, the length is 10 inches, and the width 3 inches. Find the height. I know how to do SA but I don't understand how to find height if you have SA given. The answer is 5 in but I am not able to come

    asked by Mary
  9. Physics

    An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, the air is compressed to 28.0% of its original volume and the temperature is increased to 36.0°C. a) What is the tire pressure? b) After the

    asked by MP
  10. English

    As the headboy of your school write a speech on the send forth party of the principal of your school.

    asked by Daniel
  11. physical science

    you are standing on a street corner, and you hear a fire truck approaching. does the pitch of the siren stay constant, increase, or decrease as it approaches you? does the pitch of the siren stay constant, increase, or decrease as it moves away?

    asked by erica
  12. Physics

    A student measures the length of a brass rod with a steel tape at 20.0°C. The reading is 95.00 cm. What will the tape indicate for the length of the rod when the rod and the tape are at each of the following temperatures? a)-20°C b)60°C

    asked by Michael
  13. physics

    Several light bulbs, each of resistance 1.5 Ω, are connected in a series across a 120 V source of emf. If the current through the circuit is 2 A, how many light bulbs are there in the circuit?

    asked by ashley --- HELP PLEASEE!!!
  14. Pre-algebra

    There are eight sprinters competing for first, second, and third place ribbons. How many different ways can the ribbons be awarded?

    asked by Alena
  15. Physics

    A child exerts a tangential 43.5-N force on the rim of a disk-shaped merry-go-round with a radius of 2.41 m. If the merry-go-round starts at rest and acquires an angular speed of 0.086 rev/s in 3.54 s, what is its mass?

    asked by Sarah
  16. Chemistry

    What acid and base must react to form Na3PO4?

    asked by Payton
  17. physics

    Three displacement vectors of a croquet ball are shown in figure below, where |A| = 20.0 units, |B| = 40.0 units, and |C| = 30.0 units. Calculate (a) the resultant in unit-vector notation and (b) the magnitude and direction of the resultant displacement

    asked by Benn
  18. Geomertry

    The surface area of a rectangular prism is 190 square inches, the length is 10 inches, and the width 3 inches. Find the height.

    asked by Mary
  19. Science

    I did your corrections. I just wanted to know if all the sentences are correct from a scientific point of view. Thank you. 1) DNA contains instructions which decide which proteins a cell will make and consequently determines the whole chemistry of the

    asked by Henry1
  20. Math

    The line 2x+3y=1 intersects the curve x(x+y)=10 at A and B. Calculate the coordinates of A and B.

    asked by Noah
  21. Lit 210

    I need help comparing Oedipus Rex and A Raisin in the Sun. This is my outline so far. Please help. I am stuck and could use any advice. Thank you Comparing and Contrasting Oedipus Rex and A Raisin in the Sun The Oedipus Rex was written around 430 B. C in

    asked by Mary
  22. math

    amy is 5 feet tall and casts a 4 foot shadow. the pine tree has an 8 foot shawdow. how tall is the pine tree

    asked by selena
  23. math

    A box containing Munchkins contains chocolate and glazed donut holes. If Gloria ate 2 chocolate Munchkins, then 1/11 of the remaining Munchkins would be chocolate. If Gloria added 4 glazed Munchkins to the box, 1/7 of the Munchkins would be chocolate. How

    asked by Joe
  24. Chemistry (Electrons in Atoms)

    The wavelength of visible light varies from 0.40 μm to 0.70 μm as the color of the light changes from violet to red. Calculate the energy of a photon whose wavelength is 0.67 μm HINT: From the wavelength and the speed of light, we can get the frequency.

    asked by Katie
  25. math

    A committee of 4 is chosen from a group of 10 women and 6 men. Determine the probability that at least 2 women are on the committee. Please show your work.

    asked by corey
  26. Math

    Henry invests $5,000 in a mutual fund with an annual interest rate of 7.5%. He also has a 4-yr, $10,000 loan at 3.75%. When will the amount of interest earned on the mutual fund be equal to the amount of interest paid on the loan?

    asked by Branson
  27. Geometry

    Polygon ABCD has vertices A(–4, 0), B(–2, 4), C(3, 4), and D(8, 0). Polygon A'B'C'D' is the dilation image of ABCD, using the center (0, 0) and a scale factor of 0.5. What are the coordinates of A', B', C', and D'? This question has me confused. Could

    asked by Miranda
  28. physics

    A car traveling 90 km/hr is 100 m behind a truck traveling 50 km/hr. How long will it take the car to reach the car?

    asked by aayushi vyas
  29. Pre-Cal

    From a point 50 feet in front of a church, the angle of elevation to the top of the steeple is 48 degrees. Find the overall height of the church and steeple.

    asked by Sandra
  30. physics

    A skydiver jumps out of a ;lane 3 km in the air and reaches terminal velocity after falling for 15 seconds. If he falls at a constant speed the rest of the way to the ground, how long will he have been in the air total?

    asked by 123
  31. math

    A multiple-choice test has 10 questions. Each question has 5 choices. If a student answers each question by guessing randomly, find the probability that the student gets: a) at most 4 questions correct b) at least 7 questions correct Please show your work.

    asked by corey
  32. Spanish 8th grade-Could someone please check this

    Mexico DF is the word for Mexico City in Spanish I think that is false because they either say Mexico or el DF referring to Districto Federal, correct? They never say Mexico DF do they?

    asked by Rita Z.
  33. Spanish 7th grade-Could someone help me, please?

    I have a question Is the Dia del Santo a day that people celebrate a kind of second birthday. I think that is false because that is a day they celebrate because they share a saint's name, correct and not a second birthday

    asked by Emma-
  34. physiscs

    in a simple model of a hydrogen atom, the electron revolves in circular orbit around the proton with a speed of 1.1*10^6m/s. determine the radius of the electrons orbit

    asked by help help help
  35. physical science

    true/false the force of friction always opposes motion.

    asked by peter
  36. Ethics - Christian-based

    What are the pros and cons of using your conscience?

    asked by Ramona
  37. English

    I have to answer these questions but i am confused...please help :) As flies to the wanton boys are we to the gods; they kill us for sport Metaphor Personification Hyperbole Litotes None of these I do not understand the sentence itself :( I wish I had a

    asked by Sandara
  38. Biology(HELP ME!!!)

    An average person blinks their eyes about 20 times per minute. Estimate the number of times a person will blink in 1 year.

    asked by Ashley
  39. Physical sciences

    Potassium dichromate is orange in an acidic medium.it changes colour to yellow in a basic medium.

    asked by Tshephiso
  40. Math

    A box containing Munchkins contains chocolate and glazed donut holes. If Gloria ate 2 chocolate Munchkins, then 1/11 of the remaining Munchkins would be chocolate. If Gloria added 4 glazed Munchkins to the box, 1/7 of the Munchkins would be chocolate. How

    asked by Joe
  41. science

    . How does the principle of uniformitarianism accounts for occasional catastrophic events such as meteorite impacts, huge volcanic eruptions, or great earthquakes? In what ways do geologic processes affect a person's daily life? . When astronauts brought

    asked by bubba
  42. SCIENCE(chemistry)

    DRAW A TEMPERATURE TIME PLOT FOR ICE -STEAM TRANSFORMATION. PLEASE DRAW THE PLOT AS I WAS NOT ABLE TO DRAW IT.

    asked by YASH
  43. Chemistry - DrBob PLEASE

    A glass of ice water was made by adding six 25 g ice cubes to one liter of water. If the water was initially 25C and the ice cubes were initially at -15C, what is the final temperature of the ice water? (I don't know how to get it.)

    asked by Jessica
  44. Business Law

    A firm advertises that it is selling 2000 items of equipment for $230 each. Victoria Perkins orders the entire lot at the stated price, but delivery is refused. Does Perkins have a claim against the company?

    asked by Sarah
  45. math

    A car license plate consists of 6 characters. The first 3 characters are letters excluding I, O, Q and U. The last 3 characters are any of the numerals 0 to 9 inclusive. How many different license plates are possible? Please show your work.

    asked by corey
  46. math

    There are 6 boys and 8 girls in a group of students. Calculate the number of ways that a president, vice-president and treasurer can be selected. Please show your work.

    asked by corey
  47. Math

    1)Forty solid hemisphere each of diameter 2cm , are melted to form a solid cone with a base diameter 6cm .Find the height of the cone? 2)A pyramid has a square base of side 12cm and a height of 15cm .Calculate its volume and total surface area?

    asked by Reshma
  48. Life Orientation

    human factors that couses ill health,accidents,crises or disasters ?

    asked by Themba
  49. geometry

    Math - Plane Geometry. BC is a diameter of circle O, and radius OE is parallel to chord CD. Help?

    asked by Brianna
  50. math

    A car license plate consists of 6 characters. The first 2 characters are any letter. The last 4 characters are odd numbers from 1 to 9 inclusive. How many different license plates are possible? Please show your work.

    asked by corey
  51. math

    A company has two factories that manufacture tires. Suppose 65% of the tires are manufactured in factory 1 and 35% are manufactured in factory 2. In factory 1, 5% of the tires are defective. In factory 2, 2% of the tires are defective. a) Determine the

    asked by corey
  52. Economics

    The firm currently uses 50,000 workers to produce 200,000 units of output per day. The daily wage per worker is $80, and the price of the firm’s output is $25. The cost of other variable inputs is $400,000 per day. Assume that total fixed cost equals

    asked by Angela
  53. teacher aide

    Mike watches a lot of television programs that contain violence. When he sees an older child bullying a younger one in the park, you would expect him to A ignore it B call an adult C come to the aid of the child d join in What I've read would be he would

    asked by Mother of two
  54. geomtry

    The radius of the base of a cylinder is 4x cm is 27 cm and its height is 33 cm. Find the surface area of the cylinder in terms of 3.14

    asked by Anonymous
  55. physics

    Three resistors, each of resistance 6 Ω, are connected in such a way that that they form the three sides of a triangle. What is the equivalent resistance between any two vertices of the triangle?

    asked by ashley --- HELP PLEASEE!!!
  56. Math

    A plane flies out of city A traveling an average of 325 mph, and reaches city B in 3 hours 24 minutes. On the return flight there is a tail wind that increases the plane's speed so it takes only 3 hours and 15 minutes to fly back to city A from city B.

    asked by Hannah Montana
  57. physical science

    true /false for every action, there is an equal and opposite reaction is best defined as Newton's Third Law

    asked by peter
  58. maths

    calculate speed,if john travels 220km for 2 hour 30 minutes ,your answer must be in km per hour

    asked by karabo
  59. Genetic engineering and Gene splicing

    what's the difference between genetic engineering and gene splicing?

    asked by BB
  60. math

    Solve the following equations algebraically for n. Show your working using factorial notation. a) n!/3!(n-2)! = 12 b) 8Pn = 6720

    asked by corey
  61. calculus iii

    What heading (or direction) and airspeed (speed in still air) are required for an airplane to fly 837 mph due north if a wind of 63 mph is blowing in the direction of S 11.5 degrees E?

    asked by miles
  62. geometry

    The surface area of a rectangular prism is 190 square inches, the length is 10 inches, and the width 3 inches. Find the height. I know how to do SA but I don't understand how to find height if you have SA given. The answer is 5 in but I am not able to come

    asked by Mary
  63. math

    Math homework help????? please? heres what it says on the paper. Using proportions, you can calculate the dimensions of objects without having to measure them. solve the problems that follow... heres the problem ===================================== amy is

    asked by selena
  64. algebra

    12x sqaured minus 11x equals 15

    asked by Deon
  65. Chemistry

    What is the concentration of CrO22 4 in 0.0040 M Ba(NO3)2 saturated with BaCrO4. Including the activity coefficients in the expression? The ksp of BaCrO4 is 1.17 x10^-10 [CrO4 2-]= ? M I want to understand the problem not just the answer please.

    asked by Nadia
  66. Chemistry

    A glass of ice water was made by adding six 25 g ice cubes to one liter of water. If the water was initially 25C and the ice cubes were initially at -15C, what is the final temperature of the ice water?

    asked by Jessica
  67. Louis Riels summation to the Jury

    When I came to the North West in July, 1884, I found the Indians suffering. I found the half-breeds eating the rotten pork of the Hudson Bay Company and getting sick and weak each day. Although a half-breed, and having no pretensions to help the Whites, I

    asked by Emma
  68. English

    I'd like you to check these sentences grammatically. I also would like you to see if the terminology I used is correct. Help me improve my paragraph, please. 1)DNA contains instructions which decide which proteins a cell will make and consequently

    asked by Henry1
  69. math

    There are 6 boys and 8 girls in a group of students. Calculate the number of ways that a committee of 3 students which has at least 1 girl can be selected from the group. Please show your work.

    asked by corey
  70. Algebra

    Solve using the substitution method. If the system has no solution or an infinite number of solutions, state this. -x + 6y = 54 3x + y = 9

    asked by Wayne
  71. geometry

    A rectangular garden plot is to be enclosed with 40 meters of fences and the area of the garden is a function of the demensions of the recangle.

    asked by Myrtle
  72. physics

    Three resistors, each of resistance 6 Ω, are connected in such a way that that they form the three sides of a triangle. What is the equivalent resistance between any two vertices of the triangle?

    asked by ashley --- HELP PLEASEE!!!
  73. Physics

    You ride your bicycle down a hill, maintaining a constant speed the entire time. 1. As you ride, does the gravitational potential energy of the Earth-bike-rider system increase, decrease, or stay the same? 2. Does the kinetic energy of you and your bike

    asked by Kathryn
  74. chemistry

    how many grams of h2o are produced when 50.0g znco3 reacts with c6h8o7

    asked by laura
  75. Finite Math

    A quiz consists of 10 multiple-choice questions, each with 5 possible answers. For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 40 %

    asked by Anonymous
  76. physics

    A 2.7 kg box is released on a horizontal surface with an inital speed of 2.9m/s. It moves on the surface with a deceleration of 0.27m/s^2. Calculate the kinetic friction force on the box?

    asked by bob
  77. Math

    A Thunderbird leaves at 12:00pm constantly traveling at 20mph. At 4:30pm a Jaguar leaves from the same place on the same path and reaches the Thunderbird at 9:30pm. How much faster was the Jaguar constantly traveling?

    asked by Hannah Montana
  78. University of Phoenix

    I'm taking this math class and I'm suppose to find the vertical, horizontal and oblique asymptote, if any for the following equation... f(x) = 11 - (5x/5x^2 + 7x - 12) by NOT, i repeat NOT looking at a graph of the function. Thanks...

    asked by Armando
  79. Calculus - You wont get it

    Find the local max and local min and saddle points of f(x, y) = x^4 + y^4 - 4xy +1

    asked by Big Deal
  80. math

    if you need 10 quarts of juice and have 2 gallons,do you have enough juice?

    asked by Andrew
  81. Geometry

    A cylinder flower pot with open top needs to be painted. The height is 9 inches and radius is 3 inches. If it takes Troy 5 minutes to paint 40 square inches, how long to the minute will it take him to paint the outside of the flower pot.

    asked by Mary
  82. calculus

    Find the volume of the solid generated by revolving the region about the given line. The region is in the first quadrant bounded above by the line y= sqrt 2, below by the curve y=secxtanx, and on the left by the y-axis. Rotate the region about the line

    asked by ashley
  83. Business Law

    Majorie Long decides to sell her car. She tells Rupert Ames that it is a bargain at $4,780." Ames buys the car and later discovers that the motor is in poor condition and the radiator leaks. Does Ames have a legal claim against Long for fraud?

    asked by Sarah
  84. Vectors/Calc

    Find values of a, b, and c which satisfies the following equation: a(2,1,0) + b(-3,4,5) + c(2,0,3)= (-4,10,7)

    asked by Anonymous
  85. SpanishPlease check

    I have to correct these sentences Is this correct? 1.Mi amigo viene de el cine. Mi amigo viene del cine. 2. Yo pono la mesa. Yo pongo la mesa. 3. Yo traer los libros. Yo traigo los libros. Thank you

    asked by Christian
  86. 7th math

    Simply the expression. -1 - (-3x + 2) - 7x + 8

    asked by Justin
  87. Algebra 2

    Find the geometric mean of each pair of numbers. 1/12, 1/18 I understand to multiply 1/12 * 1/18 and take the sqrt of the answer. But, what would be the sqrt of (1/288)? -18, -36 I got 25.46 for my answer.

    asked by Jet
  88. Mat 117

    •I am having trouble figuring out this question. Why is (3x + 5) (x - 2) + (2x - 3) (x - 2) not in factored form? Show specifically how to find the correct final factored form. What is this factoring method called? Please help. Thank you.

    asked by G
  89. Pre-algebra

    8(2j-6)>2(4j-4)

    asked by Ashley
  90. overview of teaching techniques

    8. Which one of the following guidelines should be followed when giving directions to students? A. Don’t allow students to choose the activity—make all decisions yourself. B. Require students to find their own background information and necessary

    asked by beth
  91. ICA Honors

    1/log_2(X) + 1/log_3(x) + 1/log_4(x) +1/log_5(x) =log_5(625)

    asked by PD
  92. Physics

    A pen placed 13.0 cm from a concave spherical mirror produces a real image 13.5 cm from the mirror. a) What is the focal length of the mirror? Answer in units of cm. b) Calculate the magnification of the image. Assume the pen is placed 28.9 cm from the

    asked by Maria
  93. Math

    A train going 60 mph left several minutes before the 63mph train. Traveling on parallel tracks the faster train reaches the slower one in 3 hours. How many minutes head start did the slower train have?

    asked by Hannah Montana
  94. Math

    The deficit of a certain government is 977.616 billion dollars. If it paid back $1000 every second, how many 365 day years would it take to pay back its debt assuming no accruing of additional interest or debt?

    asked by Hannah Montana
  95. Math

    This bag had 35 green, some black and 3 red marbles. Reaching blindfolded, the probability of picking a red is 1/23. How many black marbles are there.

    asked by Hannah Montana
  96. Urgent Math

    A large rectangle is divided into 4 non-overlapping smaller rectangles by two lines. One line is parallel to the base, and the other line is parallel to the height. If the areas of three of the small rectangles are 18,24, and 40, compute the only possible

    asked by Joe
  97. calculus

    Find the centroid for an area defined by the equations: y=2x+4 and y=((2x-3)^2)+1

    asked by Aleksey
  98. SCIENCE(PHYSICS)

    A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train. PLEASE SOLVE THE QUESTION WITH ANSWER AS I WAS NOT ABLE TO GET THE ANSWER

    asked by YASH
  99. English

    I forgot to add the following details. I really hope you can have a look at them. 1) In 1903 Emmeline and Christabel Pankhurst set up the Women’s Social and Political Union. They campaigned with other women for more rights and recognition for women’s

    asked by Henry1
  100. math

    A large rectangle is divided into 4 non-overlapping smaller rectangles by two lines. One line is parallel to the base, and the other line is parallel to the height. If the areas of three of the small rectangles are 18,24, and 40, compute the only possible

    asked by Joe
  101. math

    What is more? 3 quarts of juice or 10 cups of juice?

    asked by Andrew
  102. Us history

    What is the Wilmot proviso?

    asked by Ashley
  103. Geometry

    A wheel has a radius of 1 foot. to the nearest foot, how far will the wheel travel in 50 revolutions?

    asked by kayla
  104. Conners

    write an expression that tells how to find the perimeter of a triangle with each side 2 inches long

    asked by Destiny
  105. Chemistry

    What is the hydrogen ion concentration in a 0.15 molar solution of acetic acid in water at 25 degrees C? Acetic acid is 1.3 % dissociated.

    asked by Emily
  106. Pre-algebra

    7(3g-9)>6(5g-6)

    asked by Ashley
  107. Algebra 2

    Find the specified term of each geometric sequence ab^2, a^2b^5, a^3B^8, ...; t25 really stumped. I know that r= (a^2b^5)/ab^2 but I don't know what to do next. ab^2 ((a^2b^5)/ab^2)^n-1 ??

    asked by Jet
  108. math

    there are ___ parabolas that have a vertex (-3,-4) and pass through the point (-1,4)

    asked by Anup
  109. Math

    4.5q-1.5-4.4q=0.9q-3.2

    asked by Tammy
  110. Human Resources

    Describe the historical development of human resource management from its earliest inception to the present.

    asked by gdlola
  111. algebra

    Solve the system of equations: what is the y-value in the solution? 3x - 5y = -16 and 2x + 5y = 31

    asked by stella
  112. science

    objects of different masses are suspended from a height. which combination of features will have the greatest gravitational potential energy low mass low height low mass high height high mass high height high mass low height

    asked by Anonymous
  113. Math

    How do you solve 7x - (-6 - 2x) - x

    asked by Jessica
  114. world history

    Neanderthals lived alongside Homo sapiens for thousands of years,

    asked by shannon
  115. Math

    A large rectangle is divided into 4 non-overlapping smaller rectangles by two lines. One line is parallel to the base, and the other line is parallel to the height. If the areas of three of the small rectangles are 18,24, and 40, compute the only possible

    asked by Joe
  116. Spanish-SraJMcGin I'm confused at your answer-plea

    I'm confused by your reply-Is Day of the Saint like having a second birthday? I thought it was false but then according to your answer, I'm thinking it is a kind of second birthday-Thank you for rechecking Here is the running conversation Posted by Emma-

    asked by Emma-
  117. Math

    When the digits of a two digit number are reversed, it is 9 less than 3 times the original number. The product of the digits is 14. What is the original number?

    asked by Hannah Montana
  118. Math

    (Two concentric circles are shown)The smaller circle's circumference is 10pi. The chord's length is 24. What is the diameter of the larger circle.

    asked by Hannah Montana
  119. Math

    How do I go about finding the roots (real and complex) of this polynomial: 2x^3 + 7x^2 + 14x + 12

    asked by Gustavo
  120. Chemistry

    An electron ps from the 6th to te 3rd energy level in the hydrogen atom: a) calculate the wavelength b) calculate the frequency c) calculate te enrgy d) into which spectral series would the photon be grouped? (i really just need to formulas, then i could

    asked by Ella
  121. Life Orientation

    Which institutions/organisations are responsible for pollution that occur in our everyday life?

    asked by Gilbert aka Master-G
  122. english

    Pls Re-arrange this word aidgact

    asked by Dan
  123. psychology

    What are the four central themes in social psychology?

    asked by Taofeek
  124. Algebra II

    Translate this equasion 2 units left and 4 units up: 9x^2+ 3x+ 10= 16y^2+ 154+ 3x please show me all of the steps. thank you

    asked by Tina
  125. Algebra I

    "A car is traveling at r speed. A plane is traveling at 5r speed. When will they both reach 200 miles?"

    asked by Beth
  126. Algebra

    A car rents for $45 per day plus 21 cents per mile. You are on a daily budget of $66. What mileage will allow you to stay within your budget? what is thye solution?

    asked by Not to brite
  127. geometry

    find the measure of angle 3 if angle 2 is 5x-8 amd angle 4 is 3x-10

    asked by sally
  128. algebra

    Solve using the addition and multiplication principles. 7+3x

    asked by Shelia
  129. math

    i'm in 5th grade what is 9/26 with a remander

    asked by angelina
  130. Chemistry

    When 0.4300g of NaNO2 is allowed to react with an excess of HSO3NH2, the volume of water is 24.6 degrees celsius and that of the gas is 24.21degress celsius. The atmospheric pressure is 100.72kPa. Calculate the molar volume of N2 at 298.15 K and 100 kPa.

    asked by Codec
  131. algebra 2

    93log3.1+65

    asked by kayla
  132. Life Orientation

    How drug additction causes ill health,accidents,crises or disaster?

    asked by Themba
  133. Math

    t - (-4) = 18

    asked by Megan
  134. Life Orientation

    what is the importance of making health decision/choices to avoid the consequences ?

    asked by Themba
  135. math

    i need help 88/8its sopposed to be a fraaction 88/8+24+(8-4)+6

    asked by sabrine
  136. Chemistry

    When 0.4300g of NaNO2 is allowed to react with an excess of HSO3NH2, the volume of water is 24.6 degrees celsius and that of the gas is 24.21degress celsius. The atmospheric pressure is 100.72kPa. Calculate the molar volume of N2 at 298.15 K and 100 kPa.

    asked by Codec
  137. Math

    1/2m - 7= -4 Does m= 1.5?

    asked by IsThisCorrect
  138. Vectors/Calc

    Note: u,v,w,a,b are all vectors Given that u= xa + 2yb v= -2ya + 3yb w= 4a - 2b where a and b are collinear, find the values of x and y for which 2u - v =w

    asked by Anonymous
  139. chemistry

    Give the formula of lead iodide showing all working. You must use knowledge about atoms and electron configuration to explain answer. Thanx :)

    asked by Help
  140. English

    Can you check this very short summary on the second World War, please? 1) On 1st September 1939 Germany invaded Poland. England allied with France against Germany. 2) Germany entered France but British people managed to evacuate most of the English

    asked by Henry1
  141. Pre-algebra

    -9(f-6)

    asked by Ashley
  142. math

    What is the 8th term of (3x-1/2y)^10

    asked by corey
  143. math

    It has been determined that 30% of students at a certain high school own a cell phone. If 95 students are randomly selected determine the probability that exactly 20 students own a cell phone. *if using a calculator show syntax used*

    asked by corey
  144. algebra

    x+59+y+112=180

    asked by rievwe
  145. Christian Ethics

    what are the strengths and weaknesses of using the literal interpretation of the bible? what are the advantages of using the non-literal interpretation of the bible?

    asked by Anique
  146. physics

    if a cannon on top of a trolley was moving at a constant speed, then fired a ball VERTICALLY and the trolley continued at the same speed. Would the ball land infront behind or on top the trolley

    asked by lisa
  147. Linear Equations

    Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. -2x - 8y = 22 -6x - y = 20

    asked by Kelli
  148. Human Resources

    The question is describe the process for tracking and evaluating training effectiveness. Not sure what the process is??

    asked by Dee
  149. Pre-algebra (DESPRATE NEED OF HELP!)

    A triangle has side lengths of (x+4), (4x-8), and (2x+8) units. If the perimeter of the triangle is at least 88 units, what is the minimum length of each side of the triangle?

    asked by Ashley
  150. Geometry

    Suppose a chord of a circle is 32 millimeters long and is 12 millimeters from the center of the circle. What is the circumference of the circle? btw.. thx fer yall that answer these, aprichiate it. yall are fricken wizards.

    asked by kayla
  151. Physical sciences

    Potassium dichromate,concentrated nitric acid 12m,concentrated sodium hydroxide 12.5m and water.set up an experiment to investigate the effects of changing concentration on an equilibrium mixture

    asked by Tshephiso
  152. Human growth and development

    Order from least effective to most effective against pregnancy. Condoms, abstinence, sponges, birth control.

    asked by Ashley
  153. Physical sciences(chemistry)

    Do not know it

    asked by Tshephiso
  154. history

    Neanderthals lived alongside Homo sapiens for thousands of years

    asked by shannon
  155. math

    jim's 10-foot garage casts a 7-foot shadow. his house has a 17.5-foot shawdow. how tall is his house

    asked by selena
  156. Human Resources

    Describe and discuss the three steps in developing an affirmative action plan.

    asked by gdlola
  157. algebra

    Write an algebraic expression for the following: If James spends 5/6 of his weekly allowance (x) on a movie, how much will James have left?

    asked by Julie
  158. Alexis

    3 2/5 - 16

    asked by LoveMathmaticz
  159. Math

    I am pretty much clueless with this but would like some help the question i have been given is........How many terms are in the expansion of (a+b+c)^5 after like terms have been combined? Please help me all the way through it if you can. Thankyou

    asked by Joe
  160. Math

    The woodpecker found 3069 bugs in a tree and ate two thirds of them.How many bugs were left in the tree?Draw a picture to illustrate the problem.

    asked by Trevor
  161. life orientation

    research one of the following human factors that causes ill health.1 smoking.drug addiction

    asked by Appreciatte
  162. geology

    Which of the following materials are minerals, and why (or why not)? Water; beach sand; diamond; wood; vitamin pill; gold nugget; fishbone; emerald.

    asked by anonymous
  163. psycology

    Identify the concept that is shared by Sigmund Freud and Erik Erikson

    asked by tee
  164. CRIMINALJUSTICE

    You are a FBI agent in a counterterrorism unit. You apprehend a known terrorist that knows the whereabouts of a nuclear device that his cell has planted in the country. He refuses to tell you any information. Would it ever be justifiable to use methods of

    asked by IOWALYNN
  165. math

    i need help with just one question, and if i get it, ill be able to do the rest. Okay so its saying let height of a box be 4x+1, width be x-3, and length be 2x. Find the volume. So what do i do? how do i start solving this? its polynomials

    asked by bill
  166. science

    Distinguish between utilitarian conservation and biocentric Preservation

    asked by lawanda
  167. math

    when you add a positive and negitive integer and the one with the greater magnatude is negetive, what is the sign of the sum?

    asked by Anonymous
  168. Math

    Describe what the graph of interval [-7,3)look like

    asked by Mary
  169. math

    when you add a positive and negitive integer and the one with the greater magnatude is negetive, what is the sign of the sum?

    asked by Anonymous
  170. English

    I left out the following sentences.I hope you can have a look at them. 1) Can you change this 100-Euro note into two 50-Euro notes, please? 2) I was last in the hospital when I had my tonsils and adenoids out/when I was operated on my knee. 3) April is

    asked by Henry1
  171. English

    I have selected the five questions I was unsure of. 1) In 1945 the Labour Party came to power and introduced the welfare state, a system of social services organized and paid for by the government. 2) The National Insurance Scheme was set up in 1946 to

    asked by Henry1
  172. English

    I selected the five questions I was truly unsure of. 1) Can you change this 100-Euro note into two 50-Euro notes, please? 2) I was last in the hospital when I had my tonsils/appendicitis/ adenoids out (or removed?) /when I was operated on my knee/when I

    asked by Henry1
  173. Pre-algebra

    -3(2b+4)>4(b+7)

    asked by Ashley
  174. history

    True/false and if false change the word in ( ) The process of handing out jobs to one's supporters is known as the (citizen system) During the american revolution, the (hessians) remained loyal to england.

    asked by krystal
  175. math

    what is 9/74

    asked by angelina
  176. algebra

    5-9y-2yblank}

    asked by Carla
  177. algebra

    x-^2-3x+6 7x-0 find and simplisy

    asked by mema
  178. history

    True / False If false change the word in ( ) i missed several of these and i need to turn it in again and i don't know which ones i answered right or wrong....plz help In (salutary neglect) a nation colonizes to create wealth for itself and to create

    asked by krystal
  179. chemistry

    What is the molarity of hcl is 35 ml is neutralized. By 500 ml of M NaOH?

    asked by ray
  180. algebra

    From a base elevation of 6600ft, a mountain peak in Colorado rises to summit elevation of 14,545ft over a horizontal distance of 15,839ft. The grade of the peak is blank%

    asked by Sam
  181. Physics

    Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L , the pressure is 165kPa (kilopascals). What is the volume when the pressure is 60kPa?

    asked by Rachal
  182. trig

    find the least positive value of @. sec (4@+10)cos(3@+17) @=theta

    asked by Catherine
  183. math

    write the expression -5i(1 + 3i) as a complex number in standard form.

    asked by Anonymous
  184. science

    a player used a hockey stick to increase the speed of a .200 kg hockey puck by 6 m/s in 2 seconds. how much force was exerted on the puck?

    asked by ronald
  185. Chemistry (Electrons in Atoms)

    What is the wavelength of the emitted photon, when the electron in the hydrogen atom makes a transition from the ni = 5 state to the nf = 3 state?

    asked by Katie
  186. 2nd Grade Math

    What is the best way to explain 2nd grade kid, how to find one fourth of 7

    asked by New
  187. Life Orientation

    What are the consequences of drug addiction?

    asked by Themba
  188. chemistry

    Just keep getting different answers when i review this, i can't seem to get the correct one. Calculate [H3O] and [OH] for a sodium hydroide solution having a pH of 12.5

    asked by Laura
  189. chemistry

    i have another one i can't get the write answer for... Calculate the pH of the colution that results when 27.38 mL of 0.15 M H2SO4 is mixed with 18.50 mL of 0.19 M Ca(OH)2? Thank you guys so much!!

    asked by Laura
  190. English

    Can someone please explain how to do literary technique paragraph for the English regent?

    asked by Naviva
  191. math

    solve the equation x2 + 5x = 0.

    asked by Anonymous
  192. med

    Making use of the following terms, write a fictitious medical report of about two paragraphs describing a dermatologic condition or disease. Focus the report on the onset, progression, location, and etiology of the condition or disease, and the treatment

    asked by mike
  193. Business Law

    Mario Juliano agrees to paint George O' Shea's house for $1500 and to begin work on or before August 1. Juliano begins on August 4. Has she breached her contract?

    asked by Sarah
  194. Chemistry (PLEASE HELP)

    How much energy (in joules) is contained in one mole of photons (electromagnetic quanta) of frequency 2.3E+19 Hz?

    asked by Julie
  195. math (inequaultiy)

    8x+8

    asked by sabrine
  196. Math

    What is the square root of 6 times the square root of 9 if there is no perfect square of 6

    asked by Tom
  197. Pre-algebra

    8(m+5)>-32

    asked by Ashley
  198. DSMA

    What does Frank do on Friday? Is does and do used properly?

    asked by Nellie
  199. Spanish-Please recheck from last week

    I asked this question last week how to day I plan to go to the movies tomorrow night and you said to correct "a la" and "de el" to "al" or "del"-Is the first one correctly written now? Thank you I don't think it is the second one 1.Yo pienso ir al cine

    asked by Christian
  200. Pre-algebra

    6(p-8)>78

    asked by Ashley
  201. Pre-algebra

    -12(g+8)>24

    asked by Ashley
  202. Pre-algebra

    -5(c+15)

    asked by Ashley
  203. Pre-algebra

    3(4b+8)

    asked by Ashley
  204. science

    The president of the United States is elected by the electoral college. What type of system is this?

    asked by Anonymous
  205. Conners

    write an expression that tells how to find the perimeter of a triangle with each side 2 inches long

    asked by Destiny
  206. Chemistry

    A Sample Of Gas With A Volume Of 825mL Is Measured At 25.0 Degrees Celcius. Find The New Temperature When The Volume Is 135mL. What Is The Mass Of 41.98L Of Ammonia At STP?

    asked by Anonymous
  207. Pre-algebra HELP ME PLEASE

    A triangle has side lengths of (x+4), (4x-8), and (2x+8) units. If the perimeter of the triangle is at least 88units, what is the minimum length of each side of the triangle?

    asked by Ashley
  208. english

    Provide the main idea for the following supporting detail: Ming is even nervous to interview Mrs. Russo.

    asked by jihb
  209. gym-sports

    variuos types of competition involved in basketball

    asked by ted
  210. english

    Can someone please point me in the right direction on these. I have no idea what these mean. Thank you for any help. In each of the following series, circle the phonic element that does not belong in this sort, and then give an explanation for your choice

    asked by suzanna
  211. world history

    Earthquake activity didn't play a role in the collapse of _______ civilization

    asked by shannon
  212. physics

    A circus motorcylist can ride his motorcyle through a loop with a radius of 15 meters. What is the minimum velocity with which he can accomplist this feat?

    asked by Anonymous
  213. Math

    X -2, 0, 3, 4 Y 6, -2, -14, -18 Write the function

    asked by Andrea
  214. math

    what does method mean

    asked by devin
  215. math

    dy/dx=2/27(x-3)√((x^2-6x+23)/y)

    asked by paul
  216. science

    when they talk about proof in regards to alcohol. how is proof determined. how do you proof alcohol.

    asked by DEEK
  217. math

    list all the factors of 84

    asked by casey
  218. bowie

    preotn with force od 5x10^-5N is placed in electric field and displacede 0.15 cm what is potential difference in the situation?

    asked by alesha
  219. unsramble

    what does nshniesu spell unsrambled

    asked by Anonymous
  220. physis

    in the statement gravity is 9.81 M/S2 what does 9.81 m/s mean?

    asked by DEEK
  221. English

    Death is a commonplace in the novel. Do Hal, Mercedes, and Charles deserve their fate? Why or Why not?

    asked by Anonymous
  222. SCIENCE(PHYSICS)

    A TRAIN IS MOVING ON A STRAIGHT TRCK AND TRAVELS AT A SPEED OF 72KM/HR AND PASSES A POLE IN 3 SECONDS. FIND THE TIME TAKEN TO PASS A BRIDGE OF LENGTH 540m. PLEASE SOLVE THE QUESTION AND ANSWER IT AS I WAS NOT ABLE TO ANSWER IT.

    asked by YASH
  223. Economics

    If the government lowers taxes, and everything else remains constant?

    asked by Alexis Muzquiz
  224. Math

    Simplify: 21d - 8d^2 + 5d^3 - 5d^2

    asked by Andrea
  225. Trig

    find cos x/2, sin x = 1/4, 360 < x < 450, use half-angle identity

    asked by Onedope
  226. u.s history

    What type of change did franklin d. Roosevelt bring?

    asked by carter
  227. Servers

    Describe the function and setup of a DHCP server. How is this different from the setup for a DNS server. Under what conditions would you implement the two services on the same machine? How would you set up a firewall and DMZ for the DHCP server? What would

    asked by Mary
  228. math

    Can someone solve this and explain it please 4^log2 (2log2 5)

    asked by Chuck
  229. math

    Compute the number of eleven-digit integers that can be formed using all of seven 1s and four 0s if you never start or end with a 0 and no 0s are ever next to each other.

    asked by Joe
  230. Math

    Can someone solve this showing the steps involved 4^log2(2^log2 5)

    asked by Chuck
  231. physis

    to DRWLS thanks for the help DEEK./

    asked by DEEK
  232. chemistry

    Malarity is to moles of solute over liters of solution as molality is to

    asked by anita
  233. Pre-algebra

    7(v+5)>56

    asked by Ashley
  234. Pre-algebra

    -12(c-6)

    asked by Ashley
  235. Pre-algebra

    48>3(w+7)

    asked by Ashley
  236. Pre-algebra

    -5(3e-2)

    asked by Ashley
  237. Pre-algebra

    8(4s-7)

    asked by Ashley
  238. Grammar

    Alot or a lot?

    asked by Ashley
  239. Social Studies

    What is a letter that starts with Z?

    asked by Hailey
  240. algebra

    Solve. 6y-6

    asked by Gladys
  241. world history

    i need to figure out who a contemporary figure i could compare to Benjamin Disraeli. who does he alike?

    asked by Oceana
  242. com

    Can someone tell me about what are trigger words and gave some examples for my understanding.

    asked by mas
  243. math

    What are 5 different names for -214 I just don't get it.

    asked by you cant know
  244. math

    Compute the number of eleven-digit integers that can be formed using all of seven 1s and four 0s if you never start or end with a 0 and no 0s are ever next to each other.

    asked by Joe
  245. algebra

    Find the slope if it exists y=2x+6

    asked by Faye
  246. English

    I forgot to add the following statements. Thank you. 1)Say, for example, a bit of a DNA molecule has a string of nucleotides in the order CCGCAG. Reading three “letters” at a time, CCG stands for the amino acid glycine. CAG stands for the amino acid

    asked by Henry1
  247. physical science

    true/false A lens that converges light is concave

    asked by peter
  248. physical science

    true/false All units of energy are vectors.

    asked by peter
  249. math

    What are the x-intercepts of the parabola x2 + 4x −12?

    asked by Anonymous