Questions Asked on
November 18, 2014

  1. chemistry

    how are moles and molarity related to volume? is it molx molarity or mol/molarity to get volume?

    asked by jackson
  2. physics

    a block is pushed up against the wall. Let the mass of the block be m = 2.8 kg, the coefficient of kinetic friction between the block and the wall be µ = 0.56, and θ = 61◦ . Suppose F = 73 N. The acceleration of gravity is 9.8 m/s 2 Find the force of

    asked by Anonymous
  3. English help needed

    Why might the author have chosen to organize "Forest Fire"by Anais Non in chronological order? A. She wanted to create the same suspense for readers as she felt at the time. B. She wanted readers to understand the causes of the fire. C. She was afraid that

    asked by callie
  4. GEOMETRY

    the coordinates of point T are given. The midpoint of ST is (5,-8). Find the coordinates of point S. 18) T(10,18)

    asked by matt
  5. Math

    The ratio of South American butterflies to European butterflies is 3:2. There are 18 South American butterflies at the park. How many European butterflies are there?

    asked by Makenzey
  6. chemistry

    What would the specific heat of graphite be? A 15.0g piece of graphite is heated to 100.0 degrees C and placed in calorimeter. The graphite releases 815.1 J of heat to reach a final temperature of 23.9 degrees C.

    asked by Diana
  7. statistics

    b. A mobile company XYZ wants to conduct a survey to find the proportion P of those customers that are happy with the purchase of their new mobile phone. The company took a random sample of 1000 customers who recently purchased the new mobile phone. They

    asked by aima
  8. statics

    a. An independent random sample of 50 and 70 animals from two farmsshow the average animal weight to be 50 kg and 40 kg with standard deviation of 2.5 kg and 1.5 kg respectively. Assuming normality, construct a 95% confidence interval for the expected

    asked by aima
  9. English

    Why do you study English? 1. I study English to chat with foreigners. 2. I study English to get 100 points on the English test in the final exam. 3. I study English to read technical English books. 4.I study English to enter Cambridge University in the

    asked by rfvv
  10. statics

    The standard deviation of the lifetime of certain TV picture tubes is estimated as 150 hours. How much large a sample must be taken in order to be 99% confident that the error in the estimated means lifetime will not exceed 25 hours

    asked by aima
  11. English

    Why do you save money? 1. I save money to buy a fancy bike. 2. I save money to buy the MS Office program. 3. I save money to buy a Samsung galaxy 5. 4. I save money to please my parents, for they like me to save money. 5. I save money to buy a new coat. 6.

    asked by rfvv
  12. Calculus

    The Fellowship of the Ring was broken when Boromir momentarily betrayed Frodo Baggins. By the time Aragorn tried to find Frodo, he and Sam were already 1 km to the east crossing the lake. Since Frodo’s destiny was out of his hands, Aragorn took the

    asked by Related rates
  13. chemistry

    A 18.3 g piece of aluminum (which has a molar heat capacity of 24.03 J/oC mol) is heated to 82.4oC and dropped into a calorimeter containing water (specific heat capacity of water is 4.18 J/goC) initially at 22.3oC. The final temperature of the water is

    asked by mathew
  14. Thermodynamics

    What are the different types of Diffusers?

    asked by Daniel
  15. math

    A test consists of 120 questions. Each correct answer, each wrong answer and unanswered question in the test carry 1 Mark, 0.5 Mark and 0.25 Mark respectively. Find the maximum number of questions that the candidate could have answered wrongly in the test,

    asked by sandra
  16. Verifying-Chemistry related-Dr.Bob222

    Hey Dr.Bob222, Pearlite is not ceramic material correct? Just need a second opinion. Thanks!

    asked by DonHo
  17. Chemistry

    1. What happens if our calorimeter is not properly insulated..what effect will it have on our calculated specific heat capacity I.e too large, too small or no effect....explain. 2. If our partner forgot to cover the coffee cup calorimeter while the

    asked by Precious
  18. math

    6/(2x - y) + 7/(3y -x)= 7 4/(2x - y) + 14/(3y -x) =6 Please explain step by step to solve this equation.

    asked by jenny
  19. physics101

    Nd/Na = -V.g.hd(beta-beta1)/KT NdNa: No of particules(mole) V: Volume g: gravitational acceleration hd: distance beta: densities(mass/volume) k: Boltzman constant (joules/kelvin) T: absolute temperature(kelvin) volume = L3 gravitational acceleration L/T2

    asked by lamp
  20. Chemistry

    Are there any substances that are soapy and/or bitter in nature but are not bases/alkali?

    asked by John
  21. physics

    In an experiment to verify Newton's law of cooling, the temperature of hot water in a calorimeter T/oC is plotted against time t/min. Which of the following is true about the graph? a. the graph is linear and parallel to the T-axis b. the slope of the

    asked by Sam
  22. Jarad

    The tortoise ran slowly and steadily to win the race. to win the race -----is the infinitive phrase I am thinking tortoise ran for what I am saying the phrase is used as noun

    asked by Anonymous
  23. Physics

    A 0.50 kg ball is moving with a velocity of 8.0 m/s along a horizontal floor. It hits another ball with a mass of 0.80 kg and moving at 10.0 m/s in the opposite direction. If the first ball bounces back with a velocity of 12 m/s, with what velocity and in

    asked by Johnrey
  24. trig

    a boat is tied by a rope 12 meters long to a ring that is 3.5 meters above the water.If the rope is taut find the angle it makes with the water?

    asked by Anonymous
  25. English

    Finally, I woke up, one day my life began to change. I am going to say this is a Comma splice sentence. This part of grammar I do not like, LOL!

    asked by Karen
  26. math

    12.3x10 to the power of 11 x 1.5x10 to the power of negative 12

    asked by apple mae arogante
  27. English

    PRINT AND BRING THIS COUPON IN Spend 20$ or more, you get 20% off 10/16/2010 only -------------------------- This is a part of an advertisement on the Internet. The expressions above is in a dotted box line. On the top in the middle of the dotted line,

    asked by rfvv
  28. English

    1. He knows it's hard to stop junk food. 2. He knows it's hard to stop eating junk food. (Are both grammatical?)

    asked by rfvv
  29. Science

    What are the implications of having aquitards in the water cycyle/

    asked by Yvonne
  30. physics

    Nd/Na = -V.g.hd(beta-beta1)/KT NdNa: No of particules(mole) V: Volume g: gravitational acceleration hd: distance beta: densities(mass/volume) k: Boltzman constant (joules/kelvin) T: absolute temperature(kelvin) volume = L3 gravitational acceleration L/T2

    asked by lamp
  31. science

    Earths atmosphere was created during Precambrian era

    asked by Anonymous
  32. math

    Studies shown that gasoline use or compact cars sold in the U.S. is normally distributed, with a mean of 25.5 mpg and standard deviation of 4.5 mpg. Find the range of mileage for the middle 60% of compact cars.

    asked by sarah
  33. physics

    A red flower seen in the light of mercury vapour lamp through a green filter wil appear in what colour?

    asked by Nivetha shree.j
  34. Economics

    How to get annual interest cost?

    asked by Angelica
  35. Physics

    A red flower seen in the light of mercury vapour lamp through a green filter will appear?

    asked by Nivetha shree.j
  36. Chemistry

    When 0.100 mol CaCO3(s) and 0.100 mol CaO(s) are placed in an evacuated sealed 10.0 L container and heated to 385 K, P(CO2) = 0.220 atm after equilibrium is established. CaCO3(s) CaO(s) + CO2(g) 0.05 atm CO2(g) is then removed from the container. What is

    asked by Tan
  37. Physics

    A piece of red glass is heated till it glows in dark.the colour of glowing glass would be?

    asked by Nivetha shree.j
  38. English

    I am learning I hope. The tortoise ran slowly and steadily to win the race. to win the race tells why so it is an adverb Correct?

    asked by Jarad
  39. 6G Math (pls check my answer)

    Solve the inequality. y+3

    asked by Cathy
  40. English

    I need to buy some new clothes for the summer. to buy some new clothes to buy is asking what new clothes. I am saying an adverb again

    asked by Jarad
  41. math

    15. What is the solution of the linear-quadratic system of equations? y=x^2+5x-3 y-x=2

    asked by Jasmine
  42. English

    3. Which of the following sentences does not properly use a subordinating conjunction? A. As the man said, what comes around goes around. B. He acts like he's going to cry. C. You stay put unless I call for you. D. I will refuse his demands because they

    asked by Sarah
  43. math

    14. Simplify the expression. -5+i/2i

    asked by Jasmine
  44. 8TH GRADE LANGUAHE ARTS

    It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have lived after the age of 20. The

    asked by Yvonne
  45. algebra

    A car rents for 30.00 per day plus 19 cent per mile. You are on a daily budget of 87.00. What mileage will allow you to stay within your budget

    asked by kimmie
  46. English

    Second guessing myself again, Cigarette advertising has been banned from television, it does, however, appear in printed material. Has to be a comma splice sentence to me am I right?

    asked by Karen
  47. Chemistry

    A sample of oxygen at room temperature occupies a volume of 5.00x102 mL at 1.50 atm pressure. What pressure (in atm) must be applied to compress the gas to a volume of only 1.50x102 mL? Assume the temperature is constant.

    asked by Alicia
  48. math

    Patricia donated 1 pint of blood to the blood bank. The lab assistant divided Patricia’s blood equally into 3 bags. How much blood was in each bag

    asked by Kim
  49. English

    Here is another poem that uses personification to help define the theme. Answer the questions that follow using all you know about poetic devices. The heart asks pleasure first, And then, excuse from pain; And then, those little anodynes (a medicine that

    asked by Ella
  50. ap calc

    A rectangle is inscribed into the region bounded by the graph of f(x)=(x^2-1)^2 and the x-axis, in such a way that one side of the rectangle lies on the x-axis and the two vertices lie on the graph of f(x). what is the maximum possible area of such a

    asked by Anonymous
  51. English

    The physician discussed problems faced by everyone, and the response was positive. This is a compound sentence I would think no comma is necessary.

    asked by Jasmine
  52. ap calc

    An oil well at O is in the ocean, 8 miles from T on a straight shoreline. The oil has to go from O to R. the cost of laying pipe per mile is $90,000 underwater and $54,000 on land. the cheapest method of placing the pipe is to lay OP underwater and PR on

    asked by Anonymous
  53. algebra

    Jena and Cindy, Working together can clean the house in 10 hours. Working alone, cindy takes twice as long as jena. How longs does it take jena to clean the house.

    asked by Anonymous
  54. AP CALC

    A rectangle ABOD is inscribed into the region bounded by the x-axis, the y-axis and the graph y= cos2x. what is the greatest perimeter that such a rectangle can have? Please HELP. I greatly appreciate your help.

    asked by Anonymous
  55. English 10

    That cold autumn morning no eyes saw the sun, Which literary technique does this line use? metaphor imagery simile personification I was thinking imagery

    asked by Priscilla Jonathan
  56. chemistry

    why might consuming more of daily rni of a vitamin or mineral be harmful

    asked by christine
  57. grade 10

    What is an elegiac broadside? a large sheet of paper sold on the streets an elegant poem put to music a mournful, plaintive ballad a sensational disaster I don't have a clue what Elegiac means i was think it was a poem because that's what I'm studying .

    asked by Priscilla Jonathan
  58. English

    10. What is the indirect object in the following sentence? For her birthday, Jody bought Alice an angora sweater. A. Jody B. Alice C. Birthday D. Sweater B?

    asked by Sarah
  59. Math

    The coordinats of C are (8,B) and dicoordinats ara (14,2) is CD=(6,-4) find thf value of B?

    asked by Blessings
  60. Math

    Which of these situations can you represent with the inequality X < and = 49? 1. You must be no more than 49 inches tall to go on this ride. 2. A loaf of bread must be baked for at least 49 minutes. 3. You have no more than 49 minutes left on a parking

    asked by Olivia
  61. math

    what is the ratio of 3 tablespoons to 2:1 fluid onces

    asked by tanzia d.
  62. math

    A phone company offers two monthly plans. Plan A costs $11 plus an additional $0.12 for each minute of calls. Plan B costs $27 plus an additional $0.07 for each minute of calls. when do the two planscost the same?

    asked by lorie
  63. math

    a line segment is 1000 millimeters long . what is the length of the segment in centimeters

    asked by tanzia d.
  64. English 10 help please

    The falcon of death was a creature they knew, And the choirs kept singing of Freedom, Which type of figurative language does the bolded part of the stanza use? simile personification imagery metaphor

    asked by Priscilla Jonathan
  65. Algebra Help

    8x – 3 = 15x + 18 x = –3 x = 3 x = 2.1 x = .9 Can you show how you did it please?

    asked by Jeff
  66. english 10

    Which ballad convention does Dudley Randall use in “Ballad of Birmingham”? using an innocent questioner and a wise respondent using a celebration to emphasize values using a song to discuss fate using prose instead of verse format

    asked by Priscilla Jonathan
  67. ENGLISH MS. SUE

    The FALCON OF DEATH was a creature they knew, And the choirs kept singing of Freedom, Which type of figurative language does the bolded part of the stanza use? simile personification imagery metaphor

    asked by Priscilla Jonathan
  68. history help

    12. __________ and _________ first attracted settlers to the West.

    asked by courtney
  69. Bus. Math

    What payment should be made on an invoice in the amount of $3400 dated August 7 if the terms of the sale are 3/15,2/30,n/45 and the bill is paid on August 19 and September 3

    asked by Wanda
  70. English

    12. Which sentence below contains a correctly used modifier in italics? A. The sauce tasted bitterly, and I couldn't swallow it. B. I feel goodly now that I'm over the flu. C. He spoke sharply to his sister. D. Joe looked sad at his broken bike. C? The

    asked by Sarah
  71. music

    1. In a major or minor scale, which scale degree is called tonic? A.first B.fifth C.sixth D.seventh

    asked by Cindy
  72. Algebra Help

    Last one 3(x - 4) = 5(x + 2) Please show how you did it

    asked by Jeff
  73. physics

    The R-factor for housing insulation gives the thermal resistance in units of ft2 °F h/BTU. A good wall for harsh climates, corresponding to about 10 in of fiberglass, has R = 39 ft2 °F h/BTU. a) Determine the thermal resistance (in m2 K/W) in SI units.

    asked by mehmet kaya
  74. physics

    It has been said that sometimes lead bullets melt upon impact. Assume that a bullet with an initial temperature of 301 K receives 67.9 % of the work done on it by a wall on impact as an increase in internal energy. (The melting point of lead is 601 K, the

    asked by mehmet kaya
  75. statistics

    suppose that 70% of all college students love math. in a random sample of 8 college students, let x be the number of students who love math.find p(x=6)

    asked by harry big
  76. Economics help

    Why important is it to consider exchange rates when planning to travel to another country

    asked by Lily
  77. English (Ms.Sue)

    How would you describe the smell of rain?

    asked by Anonymous
  78. Physics

    A glass block has a refractive index of 1.49. What is the critical angle for the block?

    asked by Carl
  79. English

    We are debating this sentence. Although some items are not for the body but for the soul. I say a fragment. It just doesn't sound complete to me.

    asked by Karen
  80. Pls check if I got it correct

    Which of these situations can you represent with the inequality X < and = 49? 1. You must be no more than 49 inches tall to go on this ride. 2. A loaf of bread must be baked for at least 49 minutes. 3. You have no more than 49 minutes left on a parking

    asked by Olivia
  81. Cal

    The inflection point of the curve y = x4 − 8x3 + 24x2 + 7x − 3 is: I've been getting confused on how to do this but I keep getting (0,3)

    asked by Amy
  82. algebra 1

    cube root of (-64x^8y^5)

    asked by matt
  83. science

    if the pitcher moved his arm 1.1 m while accelerating the ball, how much work did the pitcher do on the bat

    asked by stephanie
  84. English 10

    How do you identify the speaker’s purpose? A.by listening to the third line of each speaker’s speech B.by evaluating each speaker’s questions and responses C.by asking a teacher or peer to identify the purpose for you D.by determining the speaker’s

    asked by Priscilla Jonathan
  85. English 10

    Question: How long did your family spend in an internment camp? Answer: We were sent from Florin, California, to a temporary facility at the Fresno County fairgrounds for 6 months beginning in May of 1942. From there our family along with others from

    asked by Priscilla Jonathan
  86. algebra 1

    cube root of (-64x^8y^5) Is it -8x^2y times the cube of y^2?

    asked by matt
  87. Geometry

    The radius of Jupiter is approximately 44,423 miles, and the radius of the Earth is approximately 3,960 miles. How many times larger is the volume of Jupiter than the volume of the Earth? Round your answer to the nearest whole number.

    asked by Anonymous
  88. Math

    1. y^5 * y^14 A. 2y^19 B. y^60 C. y^19*** D. 2y^60 2. w^12/ w^18 A. w^30*** B. w^-30 C. w^6 D. w^-6

    asked by HELP MEEEEE
  89. English (Ms.Sue)

    I am writing a description of a school bus stop on a rainy day I am at the part of describing the bus. How would I describe the sound of the typres screeching using metaphors or personification? also How can I describe the condition of the bus to be

    asked by Heena
  90. English

    How would you describe silence outside the school gates, before the school is about to finish?

    asked by Heena
  91. Math

    1. y^5 * y^14 A. 2y^19 B. y^60 C. y^19*** D. 2y^60 2. w^12/ w^18 A. w^30*** B. w^-30 C. w^6 D. w^-6

    asked by HELP MEEEEE
  92. English (ms.sue)

    Is this a good way to describe silence outside the school gates? silence arose at the school gates. Every so often cars pass by disturbing the peace. The sound that was made was the part time teachers escaping before the chaos and the sound of the wind,

    asked by Heena
  93. Business MGT

    9. Carlos wants to know the income potential for his computer consulting business during the next five years. Which of the following would be most helpful?________

    asked by Ikey
  94. Algebra

    In a hurricane, the wind pressure varies directly as the square of the wind velocity. If wind pressure is a measure of a hurricane’s destructive capacity, what happens to this destructive power when the wind speed doubles? Do you have an equation to

    asked by SMS
  95. CAL

    The slope of the tangent line to the graph y= x^3/3-x at the point (1, -2/3) So I plugged this into y= and I found the (1,-2/3) point but I don't know what to do next, can you help?

    asked by Arnold
  96. Language Arts Help!

    Why might the author have chosen to organize "Forest Fire"by Anais Non in chronological order? A. She wanted to create the same suspense for readers as she felt at the time. B. She wanted readers to understand the causes of the fire. C. She was afraid that

    asked by Callie
  97. Algebra

    The Hubble Space Telescope can see stars and galaxies where brightness is 1/50 of the faintest objects now observable using ground-based telescopes. Use the fact that the brightness of a point source, such as a star, varies inversely as the square of its

    asked by Mickey
  98. Algebra

    The heat generated by a stove element varies directly as the square of the voltage and inversely as the resistance. If the voltage remains constant, what needs to be done to triple the amount of heat generated? I need to know why this makes sense or not.

    asked by Candy
  99. Chemistry, HELP!

    1) If a soil had a pH of 5.5, how many milli-equivalents of acids would it have per 100 grams? 2) How many milli-equivalents of Ca need to be added to increase the pH of the soil to 6.8?

    asked by Sam
  100. Chemistry

    --> Consider the following hypothetical acid-base reaction. A(aq) + B(aq) + C(aq) + D(aq) WA WB SA SB A. The position of the equilibrium shifts from left to right B. The position of the equilibrium shifts from right to left C. The position of the

    asked by Tamera
  101. physics

    Jake's momentum is 100kg*m/sec when he walks at 2 m/sec. What is his mass?

    asked by mya
  102. physics

    An Olympic diver falls from rest from the platform 10m high. At what velocity does the diver hit the water is acceleration in 9.8m/s^2. Do I assume "rest" means a initial velocity of 0? Could the formula be: d= (vf^2-vi^2)/2(a) ? as in d=10, a=9.8 vi=0 vf

    asked by jesse
  103. geometric progression

    the 3rd term of a gpis 10 and the 6th term is 80 find the common ratio No2 if the 2nd term of a gp is 4 and the 5th term is 1over 16,the7th term is_

    asked by jessica
  104. science

    If the absolute temperature ooh 6 inches cubed of a gas decreases by a factor of 2, what will be the new volume? How do set up this problem and solve it?

    asked by Graham
  105. Language Arts HELP

    For what purpose does the author of "Why Leaves Turn Color in the Fall" by Diane Ackerman oganize the essay according to cause and effect? A. She wants to describe how cold wather affects nature. B. She wants to explain the process by which the color green

    asked by Callie
  106. English 10

    Which is an example of simile? A.“clouds they were grey” B. “how many black berries grew in the Blue Sea” C.“the number her killers had given was four” D.“blood ran like wine” HELP ME PLEASE AND CAN YOU EXPLAIN

    asked by Juliet Fonterhouse
  107. Maths

    I have 40 questions, 4 marks given for a correct answer, 2 marks deducted for each wrong answer and 1 mark deducted for for each answer not attempted I attempt 19 and score 25 marks.how many questions did I get right

    asked by Chris
  108. Physics

    A 8.34kg lump of clay travels east on frictionless ice at a speed of 2.40 m/s. A .170 kg hockey puck travels northward and collides with the clay. After the collision, both objects stick together, and move off at a speed of 2.59 m/s in a direction of 23.9*

    asked by Blue
  109. physics

    A 2-kilogram ball is accelerated from rest to a speed of 8 m/sec. What is the ball`s change in momentum? Looking for? Given? Relationship?(formula) Solution?

    asked by mya
  110. math

    GCD (24,20) IS 4. sINCE gcd(4,12 ) is 4 then GCD (24,2012 IS 4 USE Euclidem LGERITHM TO FIND THE gcd 722, 2413,209

    asked by ELLA
  111. chemistry

    methane(g) +water= carbon monoxide(g)+Hydrogen (g) use the bond energies in the following table to predict the delta H foe the reaction

    asked by michael
  112. Math

    a book store gave 30% discount to every 20th and 21st custmer to enter, AND A FREE BOOK TO EVERY 100TH CUSTMER. the first custmer to recive both a book and discount is what number?

    asked by Michellle
  113. Language Arts HELP

    Which of the following best contrasts the selections read in this lesson? Readings are Forest Fire by Anais Nin, Why Leaves Turn Color in the Fall by Diane Ackerman, and The Season's Curmudgeon Sees the Light by Mary C. Curtis A. "Why Leaves Turn Color in

    asked by Callie
  114. math

    What is the greatest prime to consider to test wheather 1579 is prime. What is the greastest prime?

    asked by Michellle
  115. math

    Use a graphing utility to approximate the solutions (to three decimal places) of the equation in the interval [0, 2π). 9x cos x − 9 = 0

    asked by Johson
  116. Educational Technology

    Data cannot be sorted of filtered accurately if there are (fill in the blank) A. Even numbers B. Only data fields C. Blank fields or records D. Only catagory fields Is the answr D? Thank you

    asked by Callie
  117. English 10

    Sensory language is also known as __________. syntax broadsides imagery irony

    asked by Juliet Fonterhouse
  118. English 10

    1. Sensory language is also known as __________. syntax broadsides imagery irony 2.Which excerpt taken from the poem “Birmingham Sunday” by Richard Farina is an example of sensory language? A.“clouds they were grey” B.“She asked for a blessing"

    asked by Juliet Fonterhouse
  119. English 9

    What is the difference between explicit and inferred details? A.There is no difference between the two terms. B.Explicit details are implied by the text. C.The reader implies information, while the text infers it. D.The reader infers details that are

    asked by Verona
  120. 5th grade math

    how many flowers do I have if...1/4 are pink...2/5 of remaining flowers are red...18 are yellow

    asked by logan
  121. Science? Help

    Summarize the steps of sexual reproduction and explain how it increases genetic diversity.

    asked by Jeff
  122. Mental and Emotional Disorders

    How many percent of Americans experience the symptoms of a mental disorder? A. 10 B. 20 C. 50 D. 60

    asked by Anonymous
  123. statistics

    The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. Which portion of the bell curve relates to the answer? What is the

    asked by Josey
  124. Help ? English 10

    I want people to know that she was a great teacher who loved her family and her country. She had the courage to speak out and do something about the injustice. She worked hard to pass redress. When a group of people feel they have been treated unfairly by

    asked by Priscilla Jonathan
  125. math

    simplify the expression -3 -(2-4x)

    asked by Michellle
  126. physics

    Background pertinent to this problem is available in Interactive LearningWare 18.3. A uniform electric field exists everywhere in the x, y plane. This electric field has a magnitude of 5700 N/C and is directed in the positive x direction. A point charge

    asked by namabia
  127. Math

    Find the value of b, if any, that will make the function differentiable at x = 0 g(x)= { x+b, x

    asked by Henry
  128. physics

    Chapter 18, Problem 13 Two point charges are fixed on the y axis: a negative point charge q1 = -26 μC at y1 = +0.17 m and a positive point charge q2 at y2 = +0.35 m. A third point charge q = +9.5 μC is fixed at the origin. The net electrostatic force

    asked by namabia
  129. Physical Education

    Your body can get antibodies from? A. Immunizations. B. Being exposed to the virus or antibody and having your immune system make it. C. None of the above D. All of the above D? I don't know though becuase All of the above is under none of the above. Im

    asked by Callie
  130. Math

    Bud and frank were playing a game together and together they scored 56 points. Buds score was 8 times higher than franks what are their scores

    asked by Em
  131. English MS. SUE

    An interview is a(n) __________ in which one-on-one or small group question-and-answer sessions are conducted. secondary source unreliable source serious source primary source

    asked by Juliet Fonterhouse
  132. Math

    Find the value of b, if any, that will make the function differentiable at x = 0 g(x)= { x+b, x

    asked by Henry
  133. Social Studies

    Tax collection is the responsibility of which level of government? A. National B. State C. Both A and B D. Neither A or B Is the answer B? Thank you

    asked by Callie
  134. English

    Need to do a presentation on adverbs what the device does, what it's used for, explain how writers can use this for effect, the impact it can create, provide examples in action and explain how it's being used and the effect it is having

    asked by Fozia
  135. WW II

    I know Hitler started WW II. But why?

    asked by dddd47906
  136. math

    multiply x (x+y+2) (-6 -x) (6+x) (-y^2 +2) (y^2-3)

    asked by Michellle
  137. physics 9th grade

    What is the impulse that must be applied to stop a 90-kilogram running back on a field at a speed of 4.5 meters per second. (Hint:remember the relationship of impulse and change in momentum)

    asked by mya
  138. math

    a rectangle had a length of 9 inches and a total area of 54 square inches. what is the width of the rectangle

    asked by joselyn
  139. Repost of history

    Why did the Soviet Union support Turkey in the Greco-Turkish War?

    asked by Anonymous
  140. math

    how high is a tree that cast a 48ft shadow at the time a 12 ft pole cast a shadow which is 12 ft long. the tree hight is?

    asked by Michellle
  141. algebra

    what is one fourth of thirteen?

    asked by Algebra
  142. government

    In what ways may the Constitution be changed informally

    asked by anonymous
  143. physics

    with a cart of unknown mass, could you still determine whether its total energy is conserved? explain your reasoning

    asked by Anonymous
  144. US Government

    Hello, I need some help with a few Government true/false questions. The Office of Management and Budget can withhold funding for a program that the President considers ineffective. My answer=False The threat of the spread of communism around the world is

    asked by Dennis
  145. Global 1

    Sumerians worship their gods from the ziggurat the largest building in the city ancient Egyptians built temples to worship their gods and pyramids as homes for their God-kings how did the ancient Hebrews maintain their religion as they traveled from place

    asked by Need help
  146. math

    a basketball team needs 5 players. the team can choose from a group of 7 players. explain how to find the combinations of players that can be on the team.

    asked by ryan
  147. Math

    Bud and frank were playing a game together and together they scored 56 points. Buds score was 8 times higher than franks what are their scores. I don't think the teacher gave me the correct numbers, this does not work out.

    asked by Help
  148. government

    How has the sys- tem of checks and balances caused the sepa- ration of powers among the three branches of government to become less distinct? because everything requires at least two branches or arms of government to do anything. For example, Congress can

    asked by anonymous
  149. math

    A tank holds 15 litres of water.A cup holds 3/10 of a litre. How many cups of water does the tank hold

    asked by liz
  150. algebra

    Solve for x and x+2y=10 3x-y=9

    asked by olive
  151. Math

    How are inequalities related to linear equations

    asked by M
  152. Spanish don't know which to choose

    La maestra _____ la tarea. pregunte pida pide pregunta

    asked by Morgan
  153. math

    Sam grew three pumpkins for the pumpkin growing contest.The pumpkins weighed 24 1/8 lb,18 1/2 lb, and 32 5/16 lb. Find the total cost of the pumpkins. I don't get it????

    asked by jake
  154. Chem 11

    So I did a lab determining the chemical formula of a hydrate. I really just need somebody to check this over for me. We had to find the molecular formula of a hydrate of copper (2) sulphate, CuSO4 .xH2O. My observation table looks like this: Mass of clean,

    asked by Katherine
  155. IPC

    If the specific heat of water is 1.0 calorie/gram°C, how many calories are required to raise 500 grams of water 10.0°C?

    asked by Cynthia
  156. English

    "New ideas are for the most part like bad sixpences and we spend our lives trying to pass them off on one another" What is this quote trying to say Answer : we spend our time on new ideas like we spend sixpences?

    asked by M
  157. Math

    Cassie has 1/2 pound of sugar in her cabinet. Her cake calls for 2/10 of a pound of sugar. How many cakes can she make? 1/2 + 2/10 5/10 + 2/10 = 7/10 is this correct

    asked by Shawn Patterson
  158. Chemistry

    A 10.00 ml sample of vinegar, density 1.01g/ml, was diluted to 100.0ml volume. It was found that 25.0 ml of the diluted vinegar required 24.15ml of 0.0976 M NaOH to neutralize it. Calculate the strength of CH3COOH in terms of: a) molarity b) grams CH3COOH

    asked by Candice
  159. English

    "Ideas are great arrows but there has to be a bow" Is this a metaphor or simile? Answer : metaphor What are they comparing? Answer : They are comparing ideas to arrows

    asked by M
  160. physics

    Calculate the velocity of a skateboarder who accelerates from rest for 6.7 seconds down a ramp at an acceleration of 6.5 m/s2

    asked by lexi
  161. government

    two results of having a brief Constitution that is a basic framework, rather than a specific plan, of governmen

    asked by anonymous
  162. Math

    Choose any number for p. Determine whether the following equation is true. (2p-3)(p+4)=2p^2-5p-12 I don't think this is true. Am I correct?

    asked by Cherie
  163. chemistry

    1. The combustion of acetylene is: 2 C2H2 + 5 O2  4 CO2 + 2 H2O ΔHo = -2511 kJ 11a. (5 pts) How much heat is produced if 85 g C2H2 is combusted with excess O2?

    asked by josh
  164. English

    "Men can intoxicate themselevs with ideas as effectually as with alcool" SImile or metaphor Answer : Simile What are they comparing Answer : Comparing men and alcohol

    asked by M
  165. Physics

    A 5.00 x 102 kg hot air balloon takes off from rest at the surface of the earth. The buoyant force lifts the balloon straight up, performing 9.70 x 104 J of work on the balloon. At the instant the balloon's upward speed is 4.08 m/s, the balloon will be

    asked by Help
  166. English

    "Hang Ideas! They are tramps vagabonds knocking at the back door of your mind each taking a little of your substance each carrying away some crumb of that belief in a few simple notions you must cling to if you want to lovie decently and would like to die

    asked by M
  167. English

    What are the answers for chapter 9? Final Check: Money Problems

    asked by Haley
  168. English

    "Ideas are great arrows but there has to be a bow" What is the meaning of this quote Answer : Ideas can only be shot forward by being focused and aiming towards them?

    asked by M
  169. English

    "Hang Ideas! They are tramps vagabonds knocking at the back door of your mind each taking a little of your substance each carrying away some crumb of that belief in a few simple notions you must cling to if you want to lovie decently and would like to die

    asked by M
  170. chem

    empty cruble-34.69g crucible+ magnesium- 34.86g crucible+magnesium oxide - 34.97g How can i find the number of moles of magnesium present at the start of the reaction How can i also find the total number of magnesium oxide molecules present at the end of

    asked by christine k
  171. Math

    Complete the Square f(x)= -x^2+2x

    asked by monique
  172. government

    Why did the writers of the Magna Carta and the Bill of Rights want to make sure their docu- ments prohibited the establishment of a state religion?

    asked by anonymous
  173. Chemistry 11

    So I did a lab determining the chemical formula of a hydrate. We had to find the molecular formula of a hydrate of copper (2) sulphate, CuSO4 .xH2O. My observation table looks like this: Mass of clean, dry test tube: 21.6g Mass of test tube + hydrated

    asked by Katherine
  174. International Business: Please Check Answer

    Hi, Please help me! I need to know is these is the correct answer for these questions. Thanks for your help! Some countries try to hold the value of their currency within some range against an important reference currency. This is referred to as what? a. A

    asked by Brandy
  175. Integral Calculus

    integral r(r^2 - 1) / (r^2+1) integral (e^t-e^-t)^2 integral (1-2x)^2 / x

    asked by hiroshi
  176. Chemistry

    The unit cell of KCl is 6.31 Å on an edge. Find the density of KCl if there is 4 atoms of each element.

    asked by Amanda
  177. writing division stories

    36 and 9

    asked by Anonymous
  178. algebra

    Lead shielding is used to contain radiation. The percentage of a certain radiation that can penetrate x millimeters of lead shielding is given by I(x) = 100e^−1.5x. What percentage of radiation, to the nearest tenth of a percent, will penetrate a lead

    asked by Barb
  179. algebra

    The monthly income I, in dollars, from a new product is given by I(t) = 81000 − 45000e^-0.005t where t is the time, in months, since the product was first put on the market. (Round your answers to the nearest dollar amount.) (a) What was the monthly

    asked by Barb
  180. chemistry

    When 1.375g CaO is added to 50 mL water at 25.0 degree C, the temperature of the water increases to 34.6 degree C. Given the specific heat is 4.184 j/g*degree C, how much heat is absorbed by the calorimeter?

    asked by brenn
  181. math

    An art teacher has 1 1/2 pounds of red clay and 3/4 pound yellow clay together. Each student in the class. How many students can get enough clay to finish the project.

    asked by josh
  182. Algebra 2

    More About Complex Numbers: Solve x and y 4x+5y+13i=7+(6x+5y)i Please show work because I had a hard time finding the answer

    asked by Alicia
  183. Algebra

    Rachel sent or received 10,290 text messages in the month of September. If each text message over the first 150 messages cost 8 cents, what was her texting bill? $126,750 Explain how you got your answer. I subtracted 10,290 by 150 then I divided 10,140 by

    asked by Help!!!
  184. Algebra 2

    More About Complex Numbers Multiply (4+3i)(1-i) Please show work i need help

    asked by Alicia
  185. English

    All of the following common nouns except a.emotion b.leader. c.tablet. d.Kindle. I am think D. Singular or plural nouns a.refer to whether a noun is singular or plural. b.can usually be changed in number by adding or deleting -s or-es. c.sometimes use the

    asked by Anonymous
  186. History

    Which factor made the most difference in how agriculture affected the economies of the colonies?

    asked by Kaylty
  187. Algebra 2

    More About Complex Numbers Find the conjugate of each number. 1.)squ root of 3-7/8i 2.) 2-mi 3.) 6 Please show work I need help

    asked by Alicia
  188. Algebra 2

    More About Complex Numbers Find the reciprocal. -1-i 2i

    asked by Alicia
  189. School

    Can anyone name 5 types of issues there are at school?

    asked by Anonymous
  190. Algebra

    A machine can produce 27 inches every 3 minutes. How many feet of ribbon can the machine make in one hour? Explain

    asked by Iana
  191. Physics C

    A rifle is aimed horizontally at a target 100 ft away. The bullet hits the target .78in below the aiming point. a) What is the bullet's time of flight? b)What is its muzzle velocity? The answers should be a) 63 m/s b) 1.6 X 10 exponent 3 ft/s I don't know

    asked by Layla
  192. English

    Some examples of tricky plurals include a.changing to y to it and adding -es in nouns that end in y after a consonant, as in city/cities. b.changing f or fe to a v and adding -es to most singular common nouns that end in f or fe, as seen in life/lives.

    asked by Anonymous
  193. Math

    What is the sum of. 3.567 21 and395.2

    asked by Ange
  194. Algebra 2

    More About Complex Numbers Multiply (4+3i)(1-i) Please show work i need help

    asked by Alicia
  195. Algebra please help out

    Jason watched a caterpillar move 10 feet in 2 minutes. Jason says that the caterpillars unite rate is 0.2 feet per minute. Is jason correct. Please explain. Thanks

    asked by Iana
  196. chemistry

    When given qcal (2064 J), how do you calculate delta H (which equation is used)? ex. CaO+ H2O-> Ca(OH)2, what is delta H?

    asked by brenn
  197. physical science

    A 3Kg bar of aluminum has to be heated form 25 degreesC to 75 degreesC . how many calories are needed to achieve this temperature increase?

    asked by kimberly
  198. physics

    A 2.31 × 103 kg car requires 4.2 kJ of work to move from rest to some final speed. During this time, the car moves 26.0 m. Neglecting friction, find a) the final speed. Answer in units of m/s

    asked by billybob
  199. math

    Mrs garcia had 2/3 of a pumpkin pie left. Her son ate 3/8 of what was left. What fraction of the whole pie did her son eat.

    asked by anonymous
  200. Algebra please help out

    If the number in the numerator of a unit rate is 1, what does this indicate about the equivalent unit rates? Please help answer and give an example. Thanks

    asked by Steph
  201. math

    I don't think my first response went thru...so reposting! Thank You Ms. Sue, for the answer to cubic inches (11/16/14). It also made me realize that I skipped the step of multiplying the dimensions by each other.

    asked by Matt
  202. algebra

    Monigue and Tasha are traveling on the same highway to family reunion at a park. Monique starts out 225 miles from the park and drives 70 miles per hour. Tasha starts out 200 miles from the park and drives 65 per hour. Write an equation for Monique`s where

    asked by Imaya
  203. Math

    Bud and frank were playing a game together and together they scored 56 points. Buds score was 8 times higher than franks what are their scores Sent email to teacher and she said #s are correct, I can't figure this out. Any help would be great

    asked by Please help
  204. U.S, History

    Under---- ,voters hold sovereign power. This means the people elect representatives and give them the responsibility to make laws and conduct government. A. Federalism B. republicanism C. feudalism D. implied powers Is the answer B? Thank you in advance

    asked by Callie
  205. English 10

    Which sentence correctly punctuates a nonessential appositive phrase? A. Aries, one of thirteen constellations in the Zodiac, contains four stars. B. Aries one of thirteen constellations in the Zodiac contains four stars. C.Aries, one of thirteen

    asked by Smith
  206. Math

    The members of the Farrell family are Mona, the mother; Scott, the father; Kellie, Katie, Kristin, and Karen, the daughter ; and Kyle the son Consider the ordered pairs (x,y) where x is the mother of y. A.. List the ordered pairs in this set B.. If you are

    asked by Suzy
  207. chem

    Given these two reactions, how do I calculate ΔH for the third one? P4(s) + 6 Cl2(g) -> 4 PCl3(g) ΔH= -1148 kJ P4(s) + 10 Cl2(g) -> 4 PCl5(g) ΔH = -1500 kJ PCl3(g) + Cl2(g) -> PCl5(g) ΔH = ?

    asked by adrian
  208. English

    Lina went on her first diet in High school for three days she ate nothing but carrot sticks, cottage cheese, and apples. Then scarfed down two double sentence cheeseburgers with fries and a chocolate shake. Her other attempts at dieting didn’t last much

    asked by Anonymous
  209. math Help!!!!!!

    I need to draw a scale of my room which is 9ft 6in. how do I work this out?

    asked by blue
  210. English 10

    My aspiration to become a famous astronomer propels me to exceed in all of my classes. Identify the appositive or appositive phrase. - to exceed - aspiration - to become a famous astronomer - classes I am thinking its B. but not 100% sure...

    asked by Smithy
  211. English

    Astronomers Ferraro and Newman study the speed of the stars circling the galactic center of the galaxy. Identify the appositive or appositive phrase. galaxy Astronomers the galactic center Ferraro and Newman

    asked by Deja
  212. U.S, History

    Tax collection is the responsibility of which level of government? A. National B. state C. both A and B D. neither A nor B Is the answer C?

    asked by Callie
  213. math

    An art teacher has 1 1/2 pounds of red clay and 3/4 pound of yellow clay. The teacher mixes the red clay and yellow clay together. Each student in the class needs 1/8 pound of the clay mixture to finish the assigned art project for the class. How many

    asked by andrew
  214. Physics

    A car of mass 1060 kg is on an icy driveway inclined at an angle of 39◦ . The acceleration of gravity is 9.8 m/s 2 . θ If the incline is frictionless, what is the acceleration of the car? Answer in units of m/s 2

    asked by P
  215. U.S, History

    Under the principle of seperation of powers, each os the following is a branch of the U.S. government EXCEPT A. legislative B. federal C. executive D. judicial Is the answer B?

    asked by Callie
  216. History(Checking Answers)

    Hello, I'm stuck on a few questions(: Which was not a reason that New England became the center of the American Industrial Revolution? A) coastal trading ports on or near the Atlantic Ocean

    asked by Kaliey(:
  217. math

    A rectangle has a length of 3/8 foot and a width of 2/3 foot what is the area of the rectangle. Is the answer 1/4 square feet

    asked by anonymous
  218. English

    Which of the following is a fragment a.because we had tickets. b.running past first base. c. Athletes understanding the purpose of practice. d. all of the above. I am think d Which of the following is a fragment? A.Here are the answers to the math

    asked by Anonymous
  219. math

    Susan picked a squash that weighed 8/15 LB. Larry picked a squash that weigh 1/4 as much as susan squash. How much did larry squash weigh. Is the answer 8/60

    asked by anonymous
  220. juvenile law

    cultural issues that are most problematic in causing juvenile delinquency. Skinheads? if so what other can I use

    asked by patiance
  221. Us History

    How had the American electorate changed by the election of 1828? Thanks to the suffragette movement, women in some states were eligible to vote. With landholding requirements still in place, fewer men were eligible to vote. With landholding requirements

    asked by Janet
  222. Art

    Sketchbook 7 by Vivian W. Which element did this artist use most to emphasize her original creation of a cotton candy creature? A. negative space B. color C. line D. texture Is the answer C?

    asked by Callie
  223. Chemistry

    If 2.00 mL of 0.600 M NaOH are added to 1.000 L of 0.850 M CaCl2, what is the value of the reaction quotient and will precipitation occur? I've been trying this problem over and over and haven't been able to get it. I know precipitation will not occur from

    asked by Rachelle
  224. English - Grammar

    What tense is this verb ? The state police were pulling over many drivers? I think its past progressive but i don't know if it would also be considered past perfect progressive. what principle part is used to form the verb in each sentence? 1.The workers

    asked by Jessica
  225. Calculus

    Find the derivative of y=xe^-x^2. Is the x being multiplied by (e^-x^2)? Product rule? I don't understand how to approach this problem.

    asked by Anonymous
  226. math

    Erica had 7/8 of a pizza left. Her friend ate 1/6 of the pizza that was left. What fraction of the whole pizza did her friend eat.is the answer 7/48

    asked by anonymous
  227. Language Arts

    Is this a good analytical paragraph? Edgar Allen Poe’s poem, “The Bells”, uses personification and alliteration in order to establish a new tone for each stanza. Personification is used to create a transition in the stanzas, to differentiate the tone

    asked by D
  228. Math

    Mr. Sugar baked a sheet cake in the shape of a rectangular prism with the deminisions of 20in by 12in by 3in high he is going to spread icing all over the cake except for the bottom what is the total surface area?

    asked by Tiffany
  229. French

    Please check the sentence for grammar. Son opération préférées dans les mathématiques est la multiplication. I'm not sure about son or sa.

    asked by Anonymous
  230. 4th grade Math

    What is an expression that can be used to find 4 x 275 using mental math and properties of numbers?

    asked by Joe
  231. English

    CHECK PLEASE? Is this a good analytical paragraph? Edgar Allen Poe’s poem, “The Bells”, uses personification and alliteration in order to establish a new tone for each stanza. Personification is used to create a transition in the stanzas, to

    asked by D
  232. English

    Writers often use language and images to foreshadow events that are going to take place in a story. Consider these words and phrases from the passage: dank tropical night moonless Caribbean night moist black velvet From these the reader can predict that

    asked by Kelly
  233. Human Geography

    Discuss the origin, diffusion, and impact on the cultural landscape for one of the following: A) folk housing styles in the United States. B) Buddhism in Asia. C) English in South Asia. Anyway I can get help with this? I have an FRQ due thursday and need

    asked by Megan
  234. Math Help

    Use all digits in the box time to solve puzzle. 2, 9, 4, 3, 6, 7. Difference between these two numbers is 377. What are the numbers?

    asked by Homework
  235. Chemistry

    If 2.00 mL of 0.600 M NaOH are added to 1.000 L of 0.850 M CaCl2, what is the value of the reaction quotient and will precipitation occur? I've been trying this problem over and over and haven't been able to get it. I know precipitation will not occur from

    asked by Rachelle
  236. Stats

    How do you find SSA, SSB & SSE??

    asked by Morgan
  237. ratio proportions

    The ratio of apples to oranges is 4:5. I have 200 apples and oranges total. How many are apples?

    asked by Ryan
  238. physics

    An airplane is flying at constant speed of 500 km/h on a straight line at 33000 feet above sea level. What is the net force acting on the plane?

    asked by Anonymous
  239. physics

    An airplane is flying at constant speed of 500 km/h on a straight line at 33000 feet above sea level. What is the net force acting on the plane?

    asked by Anonymous
  240. Math

    Please help. We have to use these digits to solve the two numbers - 2, 9, 4, 3, 6, 7. The difference between the two numbers is 377. What are the two numbers?

    asked by Anonymous
  241. math

    A recipe calls for 2 2/4 cups of raisins, but Julie only has a 1/4 cup measuring cup. How many 1/4 cups does Julie need to measure out 2 2/4 cups of raisins? My answer is, Julie need 10 cups.

    asked by ezekiel
  242. chemistry

    How do you find the total number of σ and π bonds in a molecule? Is there an equation?

    asked by adrian
  243. math

    In voting for the fifth grade class president only 1/3 of the students cast votes. What fraction of the whole class voted for tim for selena who received the most votes. Class president candidate fraction votes received Tim 2/6 SELENA 1/4 Is the answer

    asked by anonymous
  244. decimals

    Mark wants to paint a mural. He has 1 1/3 gallons of yellow paint, 1 1/4 green paint, and 7/8 gallon of blue paint. mark plans to use 3/4 gallon of each paint color. How many gallons of paint will he have left after painting the mural?

    asked by charles
  245. chemistry

    Experimentally the ionization energy of hydrogen is 1312.2 kJ / mol. What would be the wavelength (nm) of a photon with enough energy to ionize one atom of hydrogen? They give the equation E=hcR but those are all known constant values and none include mols

    asked by Sierra
  246. trigometry

    vertical pole 20 feet high is sighted horizontally from a point 75 feet from its base up the sloping side site of a hill on which it rest.what is the inclination of the slope?

    asked by rexter julian
  247. Chemistry Lab

    In chemistry we are doing a lab that involves crucibles and Mg ribbon, we have three days to complete the lab. Anyways do you think it would be alright to substitute the mass of the crucible we had the first day with the mass of the crucible we had today?

    asked by Anonymous
  248. chem

    How do you find the total number of σ and π for CHOCl?

    asked by adrian
  249. chemistry

    3. After removing membranes from an eggshell, the shell is dried and its mass is recorded as 5.613 g. The egg is transferred to a 250 mL beaker and dissolved in 25 mL of 6 M HCL. After filtering, the solution containing the dissolved eggshell is diluted to

    asked by James
  250. english

    need help on writing science fiction short story?

    asked by matt
  251. chemistry

    Find the pH of 1.0 x10-8 M KOH solution I tried to find it but i got 6 and that's acidic not basic.

    asked by Austin
  252. propibility

    There is a family of 4. They use 225gals of water a week and 35gal a day for bathing, if they decreased it by 1/5.how much water will they save?

    asked by teshea
  253. Math- Combinations

    A math department is allowed to tenure 4 of 19 eligible teachers. In how many ways can the selection for tenure be made? n!/(n-r)!r! = 4!/-15!19!

    asked by Alexis
  254. 3rd grade math

    Carl shades a row on a multiplication table. The products in the row are all even. The ones digits in the products repeat 0,4,8,2,6. What row does Carl shade? Now I am awful at math and don't even begin to understand this question!! Please help

    asked by Mel D
  255. Chemistry

    The Ksp values of BaSO4 and SrSO4 are 1.1x10^-10 and 3.8x10^-7 respectively. Calculate the concentrations of Ba2+, Sr2+, and SO4 2- in a solution that is saturated with BaSO4 and SrSO4.

    asked by Lee
  256. 3rd grade math

    Why are there no columns or rows that contain all odd numbers?

    asked by Mel D
  257. chem

    How many mL of a 0.123 M aqueous solution of aluminum bromide, AlBr3, must be taken to obtain 7.77 grams of the salt?

    asked by Danielle
  258. science

    Q: You find a clear substance that has a definite shape. What form of matter is the substance? A: Solid (Is this right)

    asked by sree
  259. physics

    a police shot a wall of 10 meter which is located 75 meter from himself. the angle between base and bullet was 60 degree and the speed was 30 meter per second was shot. was the bullet shot the wall ornot ..Explain if why?

    asked by Anonymous
  260. math

    determine the resulting equation if one variable is solved in terms of the other variable in one equation and substitute this variable in the other equation. 1.) x=-y+7 x-y= -9 2.) y=2x 4x +3y=20 3.) y=2x +5 3x-2y=5

    asked by Anonymous
  261. English

    Lina went on her first diet in High school for three days she ate nothing but carrot sticks, cottage cheese, and apples. Then scarfed down two double sentence cheeseburgers with fries and a chocolate shake. Her other attempts at dieting didn’t last much

    asked by Anonymous
  262. math

    i have 50 coins in quarters and nickels. if the total value is $5.90, how many of each coin do i have ?

    asked by ben
  263. physics

    A bee flies to a flower 583 m due south of its hive. The bee’s speed in still air is 0.68 m/s, and there is a wind blowing toward the south at 0.16 m/s. How long will it take the bee to travel to the flower and back to the hive? Answer in units of s

    asked by bill
  264. physics

    A plane drops a hamper of medical supplies from a height of 2560 m during a practice run over the ocean. The plane’s horizontal velocity was 116 m/s at the instant the hamper was dropped.What is the magnitude of the overall velocity of the hamper at the

    asked by stephan
  265. Chemistry

    1) Determine the amount of heat in kJ given off when 1.26 x 10^4 g of NO2 are produced according to the equation: 2NO (g) + O2 (g) --> 2NO2 (g) and delta (H) = 483.6 kJ/mol 2) A sheet of gold weighing 10 g and at a temperature of 18 degrees C is placed on

    asked by Tim
  266. Physics

    Bill kicks a rock off the top of his apartment building. It strikes a window across the street 15m away. The acceleration of gravity is 9.8 m/s^2. If the window is 13m below the position where Bill contacted the rock, how long was it in the air?

    asked by Wendy
  267. fluid mechanics

    a gas well containd hydrocarbon gases with an average molecular weight of 24, which can be assumed to be an ideal gas with a specific heat ratio 1.3. The pressure and temperature at the top of the well are 250psig and 708F, respectively. The gas is being

    asked by adigun.
  268. math

    determine the resulting equation if one variable is solved in terms of the other variable in one equation and substitute this variable in the other equation. 1.) 2x+5y=9 -x+y=2 2.) 3x+y=2 9x+2y=7 3.) x-y=-3 3x +y=19

    asked by Anonymous
  269. Chemistry

    1) A 0.1375-g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 3024 J/C. The temperature increases by 1.126 degrees C. Calculate the heat given off by the burning Mg, in kJ/g and kJ/mol. 2) Determine the

    asked by Tim
  270. Phil

    Identify the premise/s and the conclusion and label them. Complete the argument if necessary. 1.My bowl fell off of the counter and broke. If your bowl falls off of the counter, it will break. 2.You shouldn’t be so critical of War and Peace. You’ve

    asked by Ashley
  271. chemistry

    if 10.5 moles of CH4 react with oxygen, what is the volume of CO2 (in liters) produced at 20.9 degrees celsius and 0.951 atm?

    asked by Anonymous
  272. Math

    There are 4 brownies to share among 7 friends . How many brownies woukd each friend get ? A) solve this problem with a diagram and with a equation . B) describe the connections you see between the diagram and the equation

    asked by Anabelle
  273. Physics

    Janet jumps off a high diving platform with a horizontal velocity of 2.71 m/s and lands in water 1.6s later. How high is the platform? Acceleration of gravity is 9.8m/s^2. Answer in units of m.

    asked by Shannelle
  274. Chemistry

    1) A quantity of 85 mL of .900 M HCl is mixed with 85 mL of .900 M KOH in a constant-pressure calorimeter that has a heat capacity of 325 J/C. If the initial temperatures of both solutions are the same at 18.24 degrees C, what is the final temperature of

    asked by Vince
  275. math

    who makes rainwater mix with dirt?

    asked by Anonymous