Questions Asked on
October 14, 2014

  1. Language Arts

    Which of the following should you do during your third read of the multi-draft reading process? a.identify the author's tone and viewpoint b.evaluate how the selection compares to another c. examine the type of organization used in the selection d.

    asked by Anonymous
  2. World History Answer Check

    1. How did the Crimean War destroy the Concert of Europe? A: Russia and Austria operated the Concert of Europe before the Crimean War. However, Austria too wanted territory in the Balkans and refused to support Russia during the war. As a result, the two

    asked by Victoria
  3. Language Arts

    Which of the following should you do during your third read of the multi-draft reading process? A. Identify the authors tone and viewpoint. B. Evaluate how the selection compares to another. C. Examine the type of organization used in the selection. D.

    asked by happy
  4. Chemistry

    A hot air balloon is filled with 1.31 × 106 L of an ideal gas on a cool morning (11 °C). The air is heated to 129 °C. What is the volume of the air in the balloon after it is heated? Assume that none of the gas escapes from the balloon.

    asked by Brianna
  5. Language Arts

    Based in the passage, why did the author write " The perfect house?" A. To show that women should be housewives and that Gabe was foolish. B. To show that Gabe was a strong woman and men were not equal to her. C. To show that women are more than house

    asked by Anonymous
  6. Language Arts

    Which principal part of the verb (to teach) appears in sentence 7? Senence: Then she taught me how to cultivate rich and healthy soul and helped me identify which types of plants are best for the environment in my yard. A. Past B. Past participle C.

    asked by happy
  7. math

    semir, sarah and sung so decided to raise money for a local homeless shelter by working in a local deli. the deli agreed to donate to the shelter a portion of the profits from each meal the three sold. semir sold 3 times as many meals as sarah. sung sold 2

    asked by harry
  8. Chem Help Please!

    Give the full mechanism for the reaction of 3-bromo-3-methylpentane with methanol. Thank you!

    asked by Jesicca
  9. Algebra 1

    Constance is saving money to buy a new bicycle that costs $195.75. She already has $40 saved and plans to save $8 each week. How many weeks will it take her to save enough money to purchase the bicycle? Please help answer thanks

    asked by Ms. Stephie
  10. Language Arts

    Paragraph 4: Into this environment stepped a very determined woman. Frances Gabe hated housework. She said, "Housework is a thankless, unending job, a nerve-tangling bore. Who wants it? Nobody! With my jaw set hard, I was determined there had to be a

    asked by Anonymous
  11. Science Please Check!

    Which atoms are in all carbohydrates? A- carbon, phosphorus, oxygen B- carbon, nitrogen, oxygen C- carbon, hydrogen, oxygen D- carbon, hydrogen, nitrogen My choice is C. Which type of macromolecule is the sugar fructose? A- protein B- lipid C- carbohydrate

    asked by Alexandria
  12. Language Arts

    In which sentences does the boldfaced word contain the Latin root -lum-? A. The bear tucked into his cave for a long winter's (slumber). B. Hannah's face was (luminous) with the soft morning light. C. The (plumber) peered into the dark drainpipe. D. Harry

    asked by Anonymous
  13. L.A. HELP

    Which of the following should you do during your third read of the multi-draft reading process? a.identify the author's tone and viewpoint b.evaluate how the selection compares to another c. examine the type of organization used in the selection d.

    asked by Anonymous
  14. Math

    Write a paragraph proof of this theorem: In a plane, if two lines are perpendicular to the same line, then they are parallel to each other

    asked by Carrie
  15. Geometry

    Use the Law of Detachment to draw a logical conclusion from the two given statements. If not possible, choose not possible. If you drive safely, then you can avoid accidents. Teddy drives safely. Teddy avoids accidents. If Teddy avoids accidents, he must

    asked by Sandra
  16. math

    In a suspension bridge, the shape of the suspension cables is parabolic. The bridge shown in the figure has towers that are 400 m apart, and the lowest point of the suspension cables is 100 m below the top of the towers. Find the equation of the parabolic

    asked by Morgan
  17. physics

    A truck with mass 2000 kg tows a boat and trailer of total mass 500 kg. The rolling coefficient of friction for the truck is 0.080 and for the trailer is 0.050. The force of the truck’s drive wheels pushing backward on the pavement is 3.0 kN. (a)

    asked by John
  18. c programming

    a student designed a program to accept the age of an employee and then compute the employees retirement year and display the same in a statement on the screen required. a) write out the pseudo-code for the program above b) write the algorithm, c) flowchart

    asked by riley
  19. Stasticstics/math

    A teacher wants to compare the mean geology scores of two different classes. She is testing the null hypothesis that there is no difference in the population mean scores of the two classes. The difference of the sample means is 51.4. If the standard

    asked by Gabby
  20. Physics

    Sam, whose mass is 73.0kg , takes off down a 50.0m high, 12.0∘ slope on his jet-powered skis. The skis have a thrust of 210N . Sam's speed at the bottom is 45.0m/s . What is the coefficient of kinetic friction of his skis on the snow?

    asked by jrow
  21. physics

    A 80-kg man stands on a bathroom scale inside an elevator. (a) The elevator accelerates upward from rest at a rate of 1.40 m/s2 for 1.50 s. What does the scale read during this 1.50 s interval? N (b) The elevator continues upward at constant velocity for

    asked by Edward
  22. Math

    Larry and Gary are discussing whose garden has the most area to plant flowers. Larry claims that all they have to do is walk around the two gardens to get the perimeter and the one with the greatest perimeter has the greatest area. How would you help these

    asked by Ellie
  23. chemistry

    how could solid magnesium phosphate be prepared and collected using hydrochloric acid, sodium phosphate solution, water and magnesium? For the answer, write a series of steps that describe the procedure and includes a balanced chemical equation for each

    asked by Lily
  24. Chemsitry

    How many grams of ice at -24.3∘C can be completely converted to liquid at 23.9∘C if the available heat for this process is 4.82×103kJ ? For ice, use a specific heat of 2.01J/(g⋅∘C) and ΔHfus=6.01kJ/mol.

    asked by Steve
  25. Physics

    The hydrogen atom contains 1 proton and 1 electron. The radius of the proton is approximately 1.0fm femtometers, and the radius of the hydrogen atom is approximately 53 pm (picometers). - Calculate the volume of the nucleus and the volume of the atom for

    asked by Anonymous
  26. Math

    Mrs. Daniel pays $324 for a handbag and 3 pairs of shoes. The handbag cost half as much as the 3 pairs of shoes combined. Find the cost of the hand bag.

    asked by Amber
  27. arithmetic

    Jodi is cutting out pieces of paper that measure 8.5 inches by 11 inches from a larger sheet of paper that has an area of 1000 square inches. What is the area of each piece of paper that Jodi is cutting out?

    asked by Dana
  28. math

    Yoon Ki drove from Phoenix to tucson in 1 1/2 hours. then she drove from tucson to el paso in 4 3/4 hours. the second part of her trip was how many times as long as the first part.

    asked by diana
  29. physics

    The figure below shows Superhero hanging motionless from a rope, with Trusty Sidekick hanging below him. Superhero's mass is 89.0 kg, while Trusty Sidekick's is 58.0kg, and the mass of the rope is negligible. (a) Find the tension in the rope at a point

    asked by Edward
  30. calculus

    The half-life of Radium-223 is 11.43 days. If a sample has a mass of 400 mg, find the mass (in mg) that remains after 6 days

    asked by w
  31. chemistry

    When 2.5g of ammonium dichromate is heated, the mass of nitrogen and water vapor released is 1.0g. What is the final mass of the solid product?

    asked by Enid
  32. Language Arts

    Why does the author include the quote from Frances Gabe in paragraph 4? A. To avoid plagiarism B. To make Gabe seem unusual C. To emphasize a point previously made D. To share how much Gabe liked housework Is the answer C?

    asked by happy
  33. science

    Describe briefly how you will determine the density of kerosene

    asked by Marion
  34. Chem Help Please!

    Give the full mechanism for the reaction of 1-bromo-3-methylpentane with methanol. I know you cant draw on here. but can you tell write it out with words? Thanks!

    asked by Kimberly
  35. physics

    A bumper car with mass m1 = 100 kg is moving to the right with a velocity of v1 = 4.6 m/s. A second bumper car with mass m2 = 86 kg is moving to the left with a velocity of v2 = -3.8 m/s. The two cars have an elastic collision. Assume the surface is

    asked by stewart
  36. Language Arts

    Arthur ruled Britain for many years from his castle at Camelot. His Knights of the Round Table helped to keep peace throughout the land. Then, Arthur was betrayed by his closest friend, Lancelot. While Arthur was away fighting against Lancelot, Arthur's

    asked by happy
  37. Math

    Are the statements Always, Sometimes or Never. Please explain why. Thanks. 1. An equilateral polygon is regular. 2. The greater the number of sides of a regular polygon, the smaller the measure of any of its exterior angle. 3. The sum of the measures of

    asked by Brianna
  38. Physics

    On June 9, 1988, Sergei Bubka broke the world pole-vaulting record for the 8th time in four years by attaining a height of 6.14 m. How long did it take Bubka to return to the ground from the highest part of his vault?

    asked by Simon
  39. math

    how do i work this problem 8x25x23 using subtraction in mental math

    asked by john
  40. Algebra1

    If Cassidy wants to cut yellow fabric that is 12.8 yards into strips that are 0.3 yards wide. How many strips of yellow fabric can Cassidy make? To get this answer, would you divide, 12.8 yards divided by 0.3 yards wide to get the answer.

    asked by Ms. Stephie
  41. hw

    A railroad car of mass m = 30000 kg moving at v1 = 2.9 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at v2 = 1.711 m/s. What is the magnitude of the kinetic energy lost in

    asked by larry
  42. math

    in recent year, the world production of wheat was about 5.2 *10^8 metric tons. Canada produced 1/25 of this wheat. about how much wheat did Canada produce?

    asked by nemo
  43. World History Answer Check

    1. What events led to German unification? A: The three wars planned by the Prussian prime minister, Otto von Bismarck, led to German unity. 2. How was Great Britian able to avoid a revolution in 1848? A: Great Britian was able to avoid a revolution by

    asked by Victoria
  44. sociology

    Drawing on the ideas of Lenski, Marx, Weber, and Durkheim, what would you say is the biggest challenge facing us as members of modern societies? That is, in what way does modern society pose a problem for people that did not exist when people were living

    asked by Kirstin
  45. Help: Social Studies (Please check my answers)

    1. In the Middle Ages, ceremonies such as weddings had to be performed by ___. c. a priest 2. Guilds did all of the following EXCEPT c. Set standards for the quality of their goods 3. What is one reason that the Church was so powerful during medieval

    asked by PandaLurve21
  46. Science Please Check!

    Which statement best explains how the structure of a starch molecule relates to its function? A- A branching structure makes the molecule stronger. B- A branching structure has more chemical bonds than an unbranched structure. C- A branching structure

    asked by Alexandria
  47. physics

    A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below. The horizontal velocity of the plane is 250 km/h (69.4 m/s). Rescue plane releases the supplies a horizontal distance of 425 m in advance of the mountain

    asked by Anonymous
  48. Physics

    a heavy metal chain of mass 0.60kg hangs over the edge of a table a)when half the chain is hanging over the edge,what is the magnitude of the net external force that causes the chain to accelerate?

    asked by Richa
  49. Science

    The boundaries between the Eurasian plate and the indo australian plate as well as the Nazca and the South American plate are convergent boundaries. What is a major difference in the geologic features and events at these two plate boundaries

    asked by M
  50. science/math

    you have the same volume of two different liquids. what are two ways you can tell which has greater density? Answer: by comparing its Weight and mass

    asked by need help
  51. World History (Ms. Sue)

    1. How did Guiseppe Garibaldi contributed to Italian unification? A: Guiseppe Garibaldi contributed to Italian unification by leding an army to successfully capture and take control of the entire Kingdom of the Two Sicilies.

    asked by Victoria
  52. Math

    Suppose sinA = 12/13 with 90º≤A≤180º. Suppose also that sinB = -7/25 with -90º≤B≤0º. Find cos(A - B).

    asked by Molly
  53. physics

    a fire hose held near the ground shoots water at a speed of 6.4m/s, at what angle should

    asked by Anonymous
  54. physics

    016 10.0 points One of the great dangers to mountain climbers is an avalanche, in which a large mass of snow and ice breaks loose and goes on an essentially frictionless “ride” down a mountainside on a cushion of compressed air. The acceleration of

    asked by Kyle
  55. soc 120

    Florynce Kennedy would agree with which statement? (Points : 1) Making abortion illegal is the result of continual undermining of women’s rights. If men could get pregnant, abortion would be illegal. Women have had historical power to make decisions

    asked by stacy
  56. Chemistry

    The speed of light in a vacuum is 2.998 x 10^8 m/s. What is the speed of light in miles per hour? (1 km = 06214 miles)

    asked by Sean
  57. communication "english"

    Does all the assertive aggressive and passive behaviors have a feedback which depends on behavior only?

    asked by 123qw
  58. math

    These problems I really don't understand and really need serious help :) 1.What the product of (5.1 x 10^3)x (3.2 x 10^3)?(Please express your answer in scientific notation) 16.32 x 10^6 .... 1.632 x 10^7 16.32 x 10^9 1.632 x 10^10 2.What is the product of

    asked by somebody help i am new
  59. Perimeter and Area

    Which best describes the polygon whose vertices in the coordinate plane are (5, 5), (0, 5), (0, 0), (5, 0)? only equilateral only equiangular regular none of these

    asked by Sara
  60. Math

    Gary is 61 1/8 inches tall. his friends Gino and Gilbert are 56 1/2 inches tall and 63 1/8 inches tall, what is the average heigh of the three friends

    asked by Anonymous
  61. physics

    A student is skateboarding down a ramp that is 7.06 m long and inclined at 29.0° with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp is 4.03 m/s. Neglect friction and find the speed at the bottom of the ramp.

    asked by Meaghan
  62. math

    alyssa has saved 26 quarters from washing cars. how many cents does alyssa have?

    asked by ana
  63. Math

    Suppose sinA = 12/13 with 90º≤A≤180º. Suppose also that sinB = -7/25 with -90º≤B≤0º. Find cos(A + B).

    asked by TeeKay
  64. Geometry

    Name the Property of Congruence that justifies this statement: m¡ÏA + m¡ÏB = m¡ÏC, then m¡ÏA = m¡ÏC ¨C m¡ÏB Transitive Property Symmetric Property Reflexive Property none of these

    asked by Sandra
  65. Chemistry

    Predict the physical properties and relative reactivity of Rb, Cs, and Fr (From the periodic table)

    asked by Sally
  66. math

    what is the quotient (2.965 x 10 ^7) divided by (5 x 10^3)?

    asked by nikk
  67. Physics

    In ammonia, 14g of nitrogen combines completely with 3g of hydrogen. How many grams of hydrogen are needed to combined completely with 56 g of nitrogen? Need Help

    asked by Please help
  68. physics

    If each complete revolution of the pedals moves the bike 5.00m along its path, calculate the average force that must be exerted on the pedals tangent to their circular path. Neglect work done by friction and other losses. The pedals turn in a circle of

    asked by Anonymous
  69. statistics

    How could you reword the research hypotheses below to null hypotheses?a. Smoking during pregnancy increases the risk of a child being born prematurely.

    asked by Melissa
  70. physics

    a 65 kg skateboarder is standing on a stationary .5 kg skateboard. the skateboarder steps off the skateboard with a horizontal veolicty of 1.5 m/s. what is the recoil velocity of the skateboard ignoring friction? I need help with set up.

    asked by Anonymous
  71. Math

    1. The measure of an interior angle of a regular polygon is 20 more than thrice the measure of its adjacent exterior angle. Find the number of sides of the polygon and its total number of diagonals. 2. Find the sum and difference between the sum of the

    asked by Brianna
  72. physics

    A passenger on a ride at the firemen's field days sits in a chair and is swung around at the end of a cable connected to a central tower. At full speed, the cable makes an angle of 56 degree with the vertical, and the chair is 46 m from the pole. What is

    asked by delphine
  73. science

    The primary unit of length in the metric system is the: kilometer meter millimeter centimeter

    asked by isaac clarke
  74. math

    These problems I really don't understand and really need serious help :) 1.What the product of (5.1 x 10^3)x (3.2 x 10^3)?(Please express your answer in scientific notation) 16.32 x 10^6 1.632 x 10^7 16.32 x 10^9 1.632 x 10^10 2.What is the product of

    asked by somebody help i am new
  75. chemistry

    Calcium metal is heated with oxygen gas to yield calcium oxide.

    asked by Anonymous
  76. Physical Science- Math skills

    Rachel is asked to calculate the density of a liquid. She correctly measures the mass of the liquid to be 14 grams, but she incorrectly measures the volume of the liquid to be 10 mL. The actual volume of the liquid is 9 mL. If Rachel uses the following

    asked by Capri
  77. phys

    An electron of kinetic energy 50 keV moves in a circular orbit perpendicular to a magnetic field of 0.405 T. Find the radius of the orbit. I tried using KE=mv^2/2 to find velocity. then using qBv=(mv^2)/r to solve for r. but my answer was wrong. I am

    asked by sara
  78. Math

    ABCDEF is a regular hexagon. If BA and CD are extended until they intersect, what is the measure of the angle formed?

    asked by Brianna
  79. hw

    A 30-06 caliber hunting rifle fires a bullet of mass 0.00829 kg with a velocity of 662 m/s to the right. The rifle has a mass of 3.7 kg. What is the recoil speed of the rifle as the bullet leaves the rifle?

    asked by larry
  80. World History (Ms. Sue)

    How did Giuseppe Garibaldi contribute to Italian unification? A: ?

    asked by Victoria
  81. Math 116

    If the length of a rectangle is increased by 10% and the width of the rectangle is decreased by 10%, is the area changed? If so, does it increase or decrease and by what percent? Explain your answer.

    asked by Dawn
  82. math

    the height of a ball thrown vertically upward from a rooftop is modelled by h(t)=-5t^2 +20t+50. Determine the maximum height of the ball.

    asked by Robert
  83. Language Arts

    Which line from the passage is an opinion? A. O'Keeffe was born in Sun Prarie, Wisconsin, in 1887 B. She had declared to one of her classmates, "I am going to be an artist" C. "When the spirit moves Georgia, she can do more than you can do in a week" D.

    asked by Anonymous
  84. spanish

    en el primer piso puedes encontrar

    asked by ashley
  85. chemistry

    A solution of sodium thiosulfate, Na2S2O3, is 0.4206 M. 28.94 mL of this solution reacts with 5.89 mL of I2 solution. What is the molarity of the I2 solution?

    asked by Ana
  86. physics

    016 10.0 points One of the great dangers to mountain climbers is an avalanche, in which a large mass of snow and ice breaks loose and goes on an essentially frictionless “ride” down a mountainside on a cushion of compressed air. The acceleration of

    asked by Kyle
  87. PHYSICS

    Two people Simultaneously kick the same soccer ball, each with a force of 10. N. One force is directed 45 degrees N of E, the other 30 degrees S of E. What are the magnitude and direction of the resultant of their forces? I know that for one of them the

    asked by Aya
  88. math

    Peter spent 2/5 of his pocket money on clothes and had #45 left.what was his pockey money

    asked by Glo
  89. algebra

    for the period 1990-2003, the amount of biscuits and pasta y(in thousands of tons) imported to the united states can be modeled by the function: y=1.36x^2+27.8x+77 how many tons obiscuits and pasta were imported to the states in 1999? in which year was the

    asked by sue
  90. Physics

    Two forces parallel to the x axis do 17.2 J of work on a small tray while moving it 19.0 m in the x direction across a gym floor. One of the forces has a value of +3.93 N in the x direction. What is the other force?

    asked by Jacob
  91. Language arts

    Write an essay explaining the importance of appreciating what you have.

    asked by Briana
  92. physics

    A 35.0 kg kid run with a horizontal velocity of 5.50 m/s and jumps onto a 5.00 kg sled. What is the velocity of the kid and sled after the impact, if there were no friction? (4.81 m/s)

    asked by illfigure
  93. Science

    Hello,could somebody help me with my science homework,please.Explain, how a substance will dissolve differently if the temperature changes?..Thank you very much for your help.

    asked by Kinga
  94. physic

    A box with a mass of m = 7.50 kg is set on top of a spring with a spring constant of k = 500 N/m. The box is pushed down 30.0 cm and released. (a) What is the maximum height the box reaches after being launched by the spring? (b) What is the instantaneous

    asked by Elvis
  95. Photography

    Aperture priority mode is considered which of the following? Fully automatic Semiautomatic Fully manual*** All of the above

    asked by School Lover
  96. Photography

    night photographs are usually taken by just holding the camera and shooting the photograph. True or False**

    asked by school lover
  97. Math

    There are four brown shoes and 10 black shoes on the floor. your puppy cares away two shoes and puts one shoe in the trashcan and one in the laundry basket. a. What is the probability that there will be a black shoe in the trash and a brown shoe in the

    asked by Abby
  98. history

    during which time period did nuts,berries,sehellfish,and fruits become a primary food source of native americans. 1.paleo-indan 2.archaic 3.woodland .... 4.missippian

    asked by somebody help i am new
  99. Chemistry

    A pure copper sphere ha a radius of 0.935in. How many moles of copper does it contain? The volume of a sphere is (4/3)3.14r^3, and the density of the copper is 8.96g/cm^3. (1 in. = 2.54cm)

    asked by Jenna
  100. drama

    The ability of writers to completely identify with their characters is A. hypocrisy. B. satire. C. negative capability. D. ambiguity.

    asked by Anonymous
  101. HISTORY

    Which of the following is not true about the Greek Bible? it contains 27 documents it’s a document from antiquity it is the only collection of documents produced by the early church it is the canonical Greek Bible of the churc

    asked by Anonymous
  102. chemistry

    When 1.933 g of KNO3 is dissolved in 200 g of water initially at 23.57 ¢ªCelsius in a coffee-cup calorimeter, the final temperature is found to be 22.63 ¢ªCelsius. Calculate the heat released/absorbed per gram of KNO3 and per mol of KNO3 when KNO3

    asked by Spenser
  103. Separation of Racemate- Chemistry Lab

    Compare the relative reaction rates of 1-bromobutane, 2-bromopropane, and 2-bromomethylpropane under SN1 reaction conditions. Silver nitrate will be used to provide nitrate ion as the nucleophile to produce alkyl nitrates as products. 1) I found the answer

    asked by Jesicca
  104. physics

    A disc revolve with a speed of 33.5 revolution per minute and has a radius of 15 cm .two coin are placed at 4 cm and 14 cm away from the center of disc. Coefficient of friction between coin and disc is 0.5 cm .which of the coin will revolve with the disc?

    asked by nayan
  105. math usha kk

    a refrigerator is marked at rupees 14500 if 16%vat is charged find the total amount that she will have to pay to the shopkeeper

    asked by cbse 8th
  106. Int. science

    Which one of the following is not equal to 100 meters? 0.100 kilometers 10 hectometers 10,000 centimeters 100,000 millimeters

    asked by Nechromorph slasher
  107. Physics

    A child whose weight is 292 N slides down a 5.20 m playground slide that makes an angle of 35.0° with the horizontal. The coefficient of kinetic friction between slide and child is 0.130. (a) How much energy is transferred to thermal energy? (b) If she

    asked by Jaili
  108. Sales

    •Jim, Juan, Mary, and John are all managers for the same company •Jim always meets the sales goals •Juan exceeded the goal by 15% on Tuesday and 10% on Wednesday. •Mary’s goals for each day of the week are 5% lower than the goals for other

    asked by Anonymous
  109. 3 grade math

    How can I find the area of an angle?" How do you respond?

    asked by Ellie
  110. vector mechanics- dynamics

    The slender bar AB weights 8 kg and moves in the xy plane, with its ends constrained to follow the smooth horizontal and vertical guides as shown in Figure Qi. By assuming the bar AB is initially at rest; a) Calculate the angular acceleration of the bar.

    asked by Farah
  111. science

    When 90 kJ is removed from a 2-kg copper bar, its temperature drops from 200°C to 85°C. The specific heat of copper is

    asked by Anonymous
  112. Math

    A sphere has a volume of 200m3 . What is the volume of the smallest cube that this sphere would fit inside of? (Hint: try drawing a diagram of a side or top view of this situation)

    asked by Bob
  113. soc 120

    What is one formulation of Kant’s categorical imperative? An eye for an eye. Always act in such a way that you promote the greatest happiness for the greatest number. Treat others as you would want to be treated. Do good to others with hate in your

    asked by stacy
  114. physic

    Two boxes are connected by by a massless string over a massless, frictionless pulley. Box 1 has a mass of m1 = 15.0 kg and is initially at rest at the bottom of a frictionless surface inclined at an angle θ = 30.0◦ above the horizontal. Box 2 has a mass

    asked by Elvis
  115. Separation of Racemate- Chemistry Lab

    Compare the relative reaction rates of 1-bromobutane, 2-bromopropane, and 2-bromomethylpropane under SN1 reaction conditions. Silver nitrate will be used to provide nitrate ion as the nucleophile to produce alkyl nitrates as products. 1) You have a choice

    asked by Jesicca
  116. Math

    Suppose sinA = 12/13 with 90º≤A≤180º. Suppose also that sinB = -7/25 with -90º≤B≤0º. Find cos(A - B).

    asked by TeeKay
  117. Math

    without doing the computation, explain why or why not 19.7 is a reasonable value for the expression 122.14 divided by 6.2

    asked by Avery
  118. physics

    A baseball player throws a ball at an angle N of E from 3rd base to 1st base. if it takes 1.2 seconds to get there, at what velocity did he throw it? (bases on a baseball field are 90 feet apart) -9.8=0-27.432m/ .24

    asked by Tosin
  119. math

    150 men live in a certain town: 85 are married 70 have a cell phone 75 own a car 55 are married and have a cell phone 35 have a cellphone and a car 40 are married and have car 30 are married, have a car and have a cellphone. How many men are single and do

    asked by Nia
  120. physics

    Ten ,one rupees coin are put on the top of at each other on a table each coin has a mass 'm' give the magnitudes and direction of - 1. The force of seventh coin (counted from bottom) due to all the coins. 2. The reaction of 6th coin on the 7th coin. 3. The

    asked by nayan
  121. Geometry

    Name the Property of Congruence that justifies this statement: m¡ÏA + m¡ÏB = m¡ÏC, then m¡ÏA = m¡ÏC ¨C m¡ÏB. Transitive Property Symmetric Property Reflexive Property none of these This confuses me...

    asked by Sandra
  122. Math (Ms.Sue)

    Marco ran from his house 2.67 miles to a county park. He then ran the 1.5 mile cross country loop at the park and back home. How many miles did Marco run altogether? I added and got 4.17 miles Is that correct

    asked by Amy
  123. English

    Don't laugh at him. He looks serious. -------------- In the first sentence, does 'laugh at' mean 'ridicule' or 'to make the sounds and movements of your face that show you are happy'?

    asked by rfvv
  124. Math Check

    Are my answers right? 1.) Find the remainder (x^3+2x^2+3x+4)/(x+2) My answer: 2 2.) Find the remainder (x-1)/(x^4-3x^2+2x-1) My answer: -1

    asked by Sofia
  125. mathematiczzzzzz plzzzzzzzzzzzzzzz g

    manju bought a second hand cycle for rupees 720 and spend rupees 30 on gettting it repair at what price should she sell to make a profit of 15%

    asked by cbse 8th
  126. Separation of Racemate

    Compare the relative reaction rates of 1-bromobutane, 2-bromopropane, and 2-bromomethylpropane under SN1 reaction conditions. Silver nitrate will be used to provide nitrate ion as the nucleophile to produce alkyl nitrates as products. 1) You have a choice

    asked by Jesicca
  127. physics

    A person pushes a 20.1-kg shopping cart at a constant velocity for a distance of 39.5 m on a flat horizontal surface. She pushes in a direction 27.3 ° below the horizontal. A 40.6-N frictional force opposes the motion of the cart. (a) What is the

    asked by iamstupid
  128. math prajishaa

    if 10% is vat is charged on an article bought by sandeep for rupees 6930 what is the selling price of the article

    asked by cbse 8th
  129. english

    what is the meaning of the quote of marriane Williamson? Our Deepest fear

    asked by Anonymous
  130. Math 130

    Can i find the perimeters of the following figures Square Rectangle and Circle

    asked by Enis
  131. Geometry

    Ac=5x-8 and CD = 16-3x

    asked by Lorenzo
  132. Physics

    What do it mean to have a zero percent discrepancy?

    asked by Anonymous
  133. Lasting Influences

    What of these Greek achievements was the most contribution to greek culture and explain. Military strategy Art and architecture Literature Drama History Philosophy Government

    asked by Sara
  134. statistics

    A population has a mean of 300 and a standard deviation of 50. Suppose a sample of size 125 is selected and is used to estimate . What is the probability that the sample mean will be within +/- 3 of the population mean (to 4 decimals)?

    asked by Anonymous
  135. Physics Projectile Motion

    You arrive on an unknown planet with your team of astro-scientists. This time, to calculate acceleration due to gravity you decide to drive your buggy off of a 16 meter tall cliff. If you drive at a velocity of 22 m/s off the cliff and land 55.1 meters

    asked by Cody
  136. Pre-Calc/Trig...

    Am i correct? The graph of y=3x^2-4x+2 opens downwards. FALSE The graph of y=2x^2-4x+2 has a y-intercept of (0,1). FALSE

    asked by Anonymous
  137. Algebra

    What polynomial could you subtract from 5x^3 - 12x - x^2 + 9 - 12x^5 - 6x^4 to give a difference of 19 + 8x^3 - 18x - 19x^5 - 2x^2 - 8x^4? Is the answer k (the polynomial) = 7x^5 + 2x^4 - 3x^3 + x^2 + 6x - 28?

    asked by Anonymous
  138. Math

    Select all the true statements about identities. A) You may use proven identities to prove other identities. B) An identity is true only for restricted values of the variables. C) You can prove an identity by graphing the side to the left of the equal

    asked by TeeKay
  139. Linear Programming

    A Company wishes to assign six of its workers to six different jobs (one worker to each job and vice versa). The rating of each worker with respect to each job on a scale of 0 to 10 (10 being a high rating) is given by yhe following table: Job 1 Job 2 Job

    asked by Abi
  140. Pre-Calc/Trig...

    Am i correct? A vertical shift is an example of a non-rigid transformation. True

    asked by Anonymous
  141. math

    Jane is organizing her 24 dolls into equal sized piles. What is the possible number of dolls that could be in each pile?

    asked by Martha
  142. math

    I need to know how to find a number that makes the statement true so that I can help my daughter. 1/2 < ?/8

    asked by mom
  143. program planning

    In this study unit, a child is considered a toddler between the ages of

    asked by Amanda
  144. Chem---DrBob222

    What are the relative rates of reaction of primary, secondary and tertiary alkyly halides in an SN1 substitution? Explain the reason for your answer? Thank you so much?

    asked by Kim
  145. Algebra 2

    For a livestock competition, the weight classes for hogs are shown in this table. Classes: Light: 200-230 (weight range in lbs.) Heavy: 230-250 (weight range in lbs.) a. What is the center of each weight class? A: Center of Light class: 215 pounds (lb.)

    asked by Victoria
  146. Physics

    A rocket lifts off its launching pas with a vertical velocity of 20. m/s and a horizontal velocity of 60. m/s. What are the magnitude and direction of its resultant velocity? I drew the x and Y axis. 20 m/s on the Y axis and 30 m/s on the X axis. I know I

    asked by Aya
  147. French

    J'/ ordinateur/ un / avoir

    asked by Brenda
  148. Math

    The ratio of games the Falcons won to the games they lost for the 2013 football season was 7:5. What is the ratio of games won to the total number of games played? What kind of ratio did you describe?

    asked by Amy
  149. physics

    A baseball player throws a ball at an angle N of E from 3rd base to 1st base. if it takes 1.2 seconds to get there, at what velocity did he throw it? (bases on a baseball field are 90 feet apart) -9.8=0-27.432m/ .24

    asked by Tosin
  150. physics

    The system in the Figure is in equilibrium. A mass M1 = 226.0 kg hangs from the end of a uniform strut which is held at an angle è = 41.0° with respect to the horizontal. The cable supporting the strut is at angle á = 27.4° with respect to the

    asked by Katrina
  151. communication "english"

    when using an assertive technique is it mainly governed by a feedback on behaviour or personality or neither one of them

    asked by 123qw
  152. chemistry

    if you have 125.0g of water at 100.0, how much energy must be added to vaporize all of it

    asked by Drenda
  153. pre-calculus

    It has been found that the supply of lamps varies linearly with its price. When the price per item was $ 94.67 ,64 items are supplied; When the price was $ 134.67 , 124 items are supplied. How many lamps are supplied when the price per item is $ 118.00 ?

    asked by Irina
  154. math school g

    salman purchased 8 wood panels for rupees 1500 each for transporting them to his shop he had spend rupees 800 he then gave the panels a veneer wich cost him rupees 8000 he sold 4 panels for rupees 3200 each calculate his total profit or loss %

    asked by cbse 8th
  155. math

    suppose 8 out of every 20 students are absent from school less than 5 days a year. Predict how many students would be absent from school less than 5 days a year out of 40,000 students.

    asked by makaila
  156. Physics

    Katie kicks a football at a 52 degree angle and a velocity of 31 m/s. At what times will it be 10 meters off the ground?

    asked by Jil
  157. child day care

    large scale entry doors shouldn't be used at child care facilities because they A. appeal to adult B. are inviting to small children C. can make children feel small and less welcome D. create a welcoming environment for children and staff

    asked by abbey
  158. Science

    what will eventually became of the mediterranean sea in the future

    asked by M
  159. history

    What were some of the liberal party's weak points in the election of 1935. What are some questions that can be asked?

    asked by lilly
  160. math

    If jen can paint a room in 7 hours and jen and keith can paint the room in 4 hours. how long will it take keith to paint the room alone?

    asked by kv
  161. Algebra

    The circumference of a circle is found by the formula C=pi(d) where d is the diameter of the circle. Does circumference vary directly as diameter? If so what is the constant of variation

    asked by M
  162. program planning

    The purpose of program planning is to A. keep children safe and healthy. B. provide routines to keep children busy. C. organize experiences that support growth and nurture development. D. let children do what they want to do.  I think it's D

    asked by Amanda
  163. Maths

    2e6(x)=22

    asked by olu
  164. child care

    children who attend a program that has some theoretical basis for planning have A. more material to play than those that have no theory B. more positive experience C. less marked developmental gain D. less positive experience

    asked by abbey
  165. Algebra

    f(x)=2x^+x-21 x= ___(smaller Value) x= ___(Larger Value) What am I doing wrong? f(x)=0 2x^+x-21=0 (2x+21)(x-19)=0 2x=-21 x=19

    asked by Patricia
  166. Calculus

    Find all values of a and b so that the following function is continuous for all x ∈ R. f(x) = −3a + 4x^5(b) x ≤ −1 ax − 2b −1 < x < 1 3x^2 − bx + a x ≥ 1

    asked by Wes
  167. child care

    an appropriate sensory motor for a child up to eight month of age is A. touching toys of a different shapes, sizes and texture B. playing with puzzles with a few large pieces C. drawing with crayons or markers D. stringing large bead on a shoelace

    asked by abbey
  168. stats

    1. A confidence interval can be calculated to estimate the population mean when the population is normally distributed or the sample size is greater than 30. Can a confidence interval be calculated for the average number of hours of sleep for the US babies

    asked by morgana
  169. Math

    what is 603kg = ? g. I don't get how to do the problem

    asked by Kayla
  170. Grade 9 Chemistry

    which is more reactive k or ca? ( from periodic table.) when poured in water?

    asked by Sally
  171. chem

    Ammonia gas occupies a volume of 5.00L at 4.00 degrees celcius and 760 torr. what is the volume at 77degrees celcius and 800 torr?

    asked by gina
  172. chem

    While the pressure of 1.40L of gas is kept constant, its temperature is increased from 27 degrees Celcius to 177 degrees Celcius, How do I calculate the new volume?

    asked by gina
  173. computer science

    he edit distance is the minimum number of character insertions and character deletions required to turn one string into another. Compute the edit distance between each pair of the strings he, she, his, and hers.

    asked by ram
  174. english

    unscramble aoapritdodpoll into 3 words

    asked by bo hall
  175. Physics

    What does it mean to have a 99.1% experimental uncertainty or percent deviation

    asked by Anonymous
  176. chem

    The volume of a 3.60L sample of gas at 27degrees Celsius is reduced at constant pressure of 3.00L. What is the final temperature?

    asked by gina
  177. Differential Equations

    (D^2 + 1) y = sec^2 2x solve for Yp.

    asked by Cathy
  178. Differential Equations

    (D^2 + 1) y = sec^3 x solve for Yp.

    asked by Cathy
  179. chem

    The total pressure in a vessel containing hydrogen collected over water at 25degrees Celsius was 0.8atm. the vapor pressure of water at the temperature is 23.8torr. What was the pressure of the oxygen in torr?

    asked by gina
  180. Differential Equations

    (D^2 + 1) y = sec^2 (x) tan (x) solve for Yp.

    asked by Cathy
  181. Differential Equations

    (D^2 + 1) y = 1/(1 + sin x) solve for Yp.

    asked by Cathy
  182. Proves

    Two lines intersect to form angle 1 comma space angle 2 comma space angle 3 comma space a n d space angle 4. The measure of angle 3 is 3 times the measure of angle 1 and m angle 1 equal m angle 2. Find the measure of each angle. Label your answers.

    asked by Anonymous
  183. Math

    Hi I really need help. I don't know even how to figure these two questions out so if you could help me, please. Is (–4, 10) a solution to the equation 10 – 5x = y? Explain your answer. Describe the pattern in the table using an equation. x|y 1|15 2|25

    asked by Hannah
  184. Pre-Calc/Trig...

    am i correct? What is the axis of symmetry for the graph of y=2x^2-4x+2? x=? the line goes through 1? x=1

    asked by Anonymous
  185. Foundations and Pre-Calculus Math 10

    Find the radius of a cone with a height of 3m and a volume of 30m cubed. So far I have 90m cubed / 3m = pi(r^)3m/3m. Then I get stuck. Help! I'm really bad at math. ):

    asked by Amber
  186. Physical Science

    A box has a mass of 90 kg If the box is accelerating upward at 1.0m/s2, what is the tension of the cable?

    asked by Danielle
  187. Geometry

    The measure of an exterior angle of a regular polugon is given. Find the measure of an interior angle. Then find the number of sides. 1) The measure of the exterior angle is x.

    asked by Sophie
  188. SS

    How do the conditions of Palliser's Triangle affect the people living there?

    asked by Anonymous
  189. Math

    If each of the 3,121 members in a community drank 267 glasses of water in a year, about how many glasses of water would be consumed by that community in a year? Estimate by rounding each term to the greatest place.

    asked by Anonymous
  190. Math

    Can you think of situations in which it might be preferable to compute with decimals rather than fractions or to compute with fractions rather than decimals, give examples of each situation and tell why you think that number form is preferable

    asked by Avery
  191. Physics

    an athlete is attempting to jump over a bar that is 1.5 meters in the air what is the lowest initial velocity that the athlete must jump with in order to successfully jump over the bar

    asked by Urvi
  192. Science

    What type of glassy rock is found in a volcano?

    asked by Kelley
  193. Geometry

    If /BC bisects ÚABD, and ÚABC = 5x + 11, ÚCBD = 10x − 4, then find x. 5 3 1 2 I am having trouble with this one, please help.

    asked by Sandra
  194. Chemistry

    A 32.3-L of a gas at 30 degrees Celsius and 1.20 atm is to be cooled at constant pressure until its volume becomes 28.4 L. What will be the new gas temperature?

    asked by Samone
  195. math

    sketch and label all possible rectangles with a perimeter of 30 cm and sides whose lengths are whole numbers help me tell my son what to do I don't understand

    asked by Deborah
  196. physics

    four forces act as 10,12,9,15 calculate their resultant

    asked by salamatu aleeu
  197. English

    Which pronoun fits. Another boy and him/he won blue ribbons for their work.

    asked by Brian
  198. History

    Efficiency was a central theme of the reform movement. Who of the following was not an example of someone striving to examine every aspect of life itself and determine, often through new scientific principles, how to do more work with less energy?

    asked by Stephanie
  199. English

    Sons By John Updilike How is the tone of the narrator?

    asked by Edward
  200. algerbra 1

    how to solve literal equation ex) 3x-5=9:x=-1,0,1

    asked by kareden
  201. Physics

    Two people Simultaneously kick the same soccer ball, each with a force of 10. N. One force is directed 45 degrees N of E, the other 30 degrees S of E. What are the magnitude and direction of the resultant of their forces?

    asked by Aya
  202. complex numbers

    1) 4b-5t(-a-3)i=7-8i 2) (7+4i) - (l+2i) 3) (3+2i) (-2+4i)

    asked by anonymous
  203. Algebra Answer Check

    (7x^3 + 2x - 1) + (8x^2 - 6 + 2x - x^3) Ans: 6x^3 + 8x^2 + 4x - 7

    asked by Anonymous
  204. math

    1/2(x-2)

    asked by calistus
  205. math

    1/2(x-2)

    asked by calistus
  206. algebra

    If 6(-3+n)=60, what is the value of n?

    asked by mustard
  207. math

    1/2(x-2)

    asked by calistus
  208. Science

    An object has a KE of 83.5 J, and a speed of 27.3 m/s. What is the object’s mass?

    asked by Kyla
  209. Chemistry

    Do you expect CaCl(s) to be stable if the 1st ionization energy of Calcium is approx. 590 kj/mol, the Lattice Energy is approx 700 kj/mol and the total change in enthalpy is -36? Why?

    asked by Mary
  210. Science

    What is the name of the genetic disorder?

    asked by Edu
  211. maths

    How can I select a committee of 5 people out of 10 men and 8 women. Women must be the majority in the committee. One man must be in the committee.

    asked by freddie
  212. physics

    a net force of 72 n is applied to a 48 kg box starting from rest for 8 s. what is the final velocity of the box?

    asked by Anonymous
  213. math

    Determine whether the fractions in each of the following pairs are equal: a: a^2/b and a^2b/b^2 b: 377/400 and 378/401 c: 0/10 and 0/-10 d: a/b and a+1/b+1, where "a" is not equal to "b" or a =/= b

    asked by Anna
  214. Math

    The ratio of games the Falcons won to the games they lost for the 2013 football season was 7:5. What is the ratio of games won to the total number of games played? What kind of ratio did you describe?

    asked by Amy
  215. PYSICS

    Suppose a vector \(\vec V\) makes an angle \(\phi\) with respect to the \(y\) axis.

    asked by Anonymous
  216. Math

    Is this ratio in simplest form 14:12?

    asked by Amy
  217. maths

    An object travels x km in 20 minutes. Write down in its simplest form an expression in terms of x for its average speed in metres per second

    asked by kiran
  218. algebra

    You began a new job at a pizza shop 3 weeks ago. You worked 6 hours during the first week, 4 hours during the second week, and 10 hours during the third week. Which graph best represents the total hours you worked over these 3 weeeks? i tried solving it

    asked by alton
  219. Chemistry

    How many moles of solid Mg(OH)2 should you add to 200mL of 0.15M lactic acid solution to produce pH 4.0 buffer? -I don't know how to do this w/0 knowing pKa, but I don't think the point is to look up pKa. Is there some other way to solve this?

    asked by Me
  220. MATHS

    Evaluate the following expression using BODMAS rule (90/3*3+5)/(-2*3+9)

    asked by Anonymous
  221. physics

    Ten , one rupees coin are put on the top at of each other on a table. Each coin has a mass 'm'. Give the magnitude and direction of - (1)- The force of 7th coin (counted from bottom) due to all coins on its top. (2)- The force of 7th coin by 8th coin. (3)-

    asked by me
  222. Science

    What is the name of the genetic disorder?

    asked by Edu
  223. Science

    what system/part of the body does the disorder affect?

    asked by Edu
  224. math

    5 less than three times the number of chipmunks. We got 3x-5 but weren't sure.

    asked by Sara
  225. pre-calculus

    You are given a pair of equations, one representing a supply curve and the other representing a demand curve, where p is the unit price for x items. -45 x^2 - 74.5199999999995 x + 15921.36 - 1224.72 p = 0 and 54 x^2 + 1743.12 x + 13880.16 - 6940.08 p = 0

    asked by Irina
  226. mathzzz preeshappd

    mohan bought a cycle for 2400 exam what price should he sell it for making a profit of 8%

    asked by cbse 8th
  227. math prasad vk

    by selling a saree for rupees 2000 the shopkeeper made a profit of 20% what was the cost price of the saree

    asked by cbse 8th
  228. mathyeshoda

    salman purchased 8 wood panels for rupees 1500 each for transporting them to his shop he had to spend rupees 800 he then gave the panels a veneer which cost him rupees 8000 he sold 4 panels for rupees 3200 each calculate his total profit or loss percentage

    asked by cbse 8th
  229. Chem---DrBob222

    What is the formula for 2-bromomethylpropane ?

    asked by Tim
  230. anthropology critical thinking

    what fallacy is : On the Colbert Report, Steven Colbert regulary asked his guests: "George W Bush: a great president? or the greatest president?

    asked by rubi
  231. math

    Find the general form of the equation of the plane passing through the point and perpendicular to the specified vector. [Be sure to reduce the coefficients in your answer to lowest terms by dividing out any common factor.] (8, 6, 3), n = i – 6j + k

    asked by Morgan
  232. physics

    A force of 3.25 N acts on a(n) 3.8 kg object for 16.5 s. What is the object’s change in momentum?

    asked by larry
  233. Pre-Cal

    The prerequisite for Statistics is precalculus. College of Nursing students (only) are eligible to have the prereq waived. What does waived means?

    asked by Kim
  234. Algebra 2 (Please, help me!)

    For a livestock competition, the weight classes for hogs are shown in this table. Classes: Light: 200-230 (weight range in lbs.) Heavy: 230-250 (weight range in lbs.) a. What is the center of each weight class? A: Center of Light class: 215 pounds (lb.)

    asked by Victoria
  235. Chemistry

    Hi was looking to get some help with an experiment. Currently I trying to determine the amount iron in cereal. And was hoping to get some help with one of the questions I have been given. First off I am the recorded absorbance across the region 470 – 490

    asked by Josh
  236. English - help

    Identify the infinitive phrase used as a noun. 1. The girls love to swim at Julie's house. 2. Susan is trying hard to forget. 3. My group was the last to finish. 4. Jane's goal to win is extreme. I think it is A...please help me decide...thank you

    asked by Cassie
  237. Chemistry

    I was doing a lab and stared off with 10mL of HNO3 and the mass of copper which was 1.5120g. The question now is: With initial mass of copper wire being 1.5120g, calculate the volume of (16M) nitric acid that is required to fully react with the copper.

    asked by Annie
  238. algreba2

    -2(3y-6)+4(5y-8)=92

    asked by Anonymous
  239. Math

    If john makes 60 k a year , how much does he make each month?

    asked by John
  240. Math

    How to solve 2^-1/5^2 ?

    asked by Anon
  241. child day care

    my budget allows me to buy only one software for my children ages 5-8. which one of the following packages would be best for this age group A. ages7-9 B. ages 6-9 C. ages 4-7 or ages 6 and up

    asked by abbey