Questions Asked on
December 13, 2012

  1. physics

    10 people,each of mass 70 kg, stand on a boat with a mass of 1000 kg. they jump off one end of the boat with velocity 1 m/s relative to the boat. the boat rolls in the opposite direction without friction. a what is the final velocity of the boat if all the

    asked by harkaran
  2. math

    Product in thousand kilogram of a certain company in first,second and third e.t.c. Weeks is the same as the co-efficient of the first,second,third e.t.c. Power of x in the expansion of(1+x)(1-x)^-2. Find the product in the six week.

    asked by amed
  3. accounting

    THIS IS THE SECOND PHASE OF THE TAX RETURN PROBLEM YOU BEGAN AT THE END OF CHAPTER 4. THIS PHASE OF THE TAX RETURN INCORPORATES THE MATERIAL FROM CHAPTERS 5,6,7, AND 8 BY PROVIDING YOU WITH INFORMATION CONCERNING THE SCHNAPPAUFS' DEDUCTIONS FOR 2010. THEY

    asked by Anonymous
  4. CHE MISTRY

    149ml bubble of hot gases at 217 degrees celcius and 1.78 atm escapes from an active volcano. What is the temperature, in celcuis, of the gas in the bubble outside the volcano if the new volume of the bubble is 164ml and the pressure is 0.770atm?

    asked by Jen
  5. statistic

    The following data are the numbers of cars thefts that occurred in a city in the past 11 days. 6 3 7 11 4 3 8 7 2 6 9. calculate the values for the first and third quartiles. construct a box plot for the given data.

    asked by okow
  6. Chemistry

    Is this done right? White phosphorous, P4, spontaneously bursts into flame in Oxygen gas. if 6.5 g of white phosphorous reacts completely with oxygen to form 11.54g of a phosphorous oxide, what is the empirical formula of this oxide? this is what i did:

    asked by Anya
  7. Chemistry

    When 0.40 g of impure zinc reacted with an excess of hydrochloric acid, 127 mL of hydrogen was collected over water at 10 degress C The external pressure was 737.7 Torr. a) What volume would the dry hydrogen occupy at 1.00 atm and 298 K ? b) What amount

    asked by Sandy
  8. Genetics 7th

    Eye color Fur Color black white black 24 24 red 25 27 The table above describes offspring of the same two parents. What are the most likely genotypes of the parents? Ff Ee and ff ee Ff Ee and Ff Ee FF EE and ff ee

    asked by unknown.gonegirl
  9. physics

    A certain car is capable of accelerating at a uniform rate of 0.84 m/s 2 . What is the magnitude of the car’s displacement as it accelerates uniformly from a speed of 84 km/h to one of 97 km/h? Answer in units of m

    asked by Anonymous
  10. ASAP CHEMISTRY

    Determine the molar mass of the following: 0.94g of a gas that occupies 500L at 0 degrees celcius and 1.00 (STP). I keep getting 32g/mol

    asked by Steph
  11. physics

    A baby sitter pushing a stroller starts from rest and accelerates uniformly at a rate of 0.770 m/s 2 . What is the velocity of the stroller after it has traveled 5.94 m? Answer in units of m/s

    asked by Anonymous
  12. physics

    Imagine that a new asteroid is discovered in the solar system with a circular orbit and an orbital period of 7 years. What is the average distance of this object from the Sun in Earth units?

    asked by Anonymous
  13. Chemistry

    determine the pH of a 0.116 M Ba(OH)2 solution at 25 degrees C. i keep getting 13.06 for this answer, but the answer is 13.37 :S what i do is i take the negative log of the concentration which is 0.9355 which is pOH. i know that pH = 14 - pOH so i get pH =

    asked by Anya
  14. Chemistry

    Consider the gold-platinum system which has a value of delta w of -4250 J/mole; (a) Calculate the enthalpy of mixing for a solution of 10% platinum and 90% gold. Express your answer in units of kJ/mole. (b) Is the dissolution of 10% platinum into gold an

    asked by Ling
  15. Chemistry

    Answer the following questions by referring to the Cu-Al phase diagram shown below. (a) What is the lowest temperature at which a liquid can be found in a system of any composition of Cu-Al ? (b) A common alloy composition used in airplanes is 4 at. % Cu -

    asked by Ling
  16. math problem

    To make an orange dye, 4 parts of red dye are mixed with 3 parts of yellow dye. To make a green dye, 2 parts of blue dye are mixed with 1 part of yellow dye. If equal amounts of green dye and orange dye are mixed,___________ of this mixture is composed of

    asked by Tom
  17. Intermediate college algebra

    Beer cans are right circular cylinders. My algebraic ale and logarithmic lager cans, from snide brewery, have dimensional units called brewskis. The have a volume (in cubic brewskis) equal to the solution of the number of grams of radium 226 remaining

    asked by Jen
  18. Chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond When an atom gains or loses valence electrons and becomes charged, it is known as

    asked by Victoria
  19. health

    what factors you would discuss when organising a visit with a client in health care

    asked by Anonymous
  20. health

    address performance issues in service delivery in health care

    asked by Anonymous
  21. maths --plse help me..

    factorize x^3-3x^2+3x+7

    asked by Anonymous
  22. calculus

    find the area of triangle such that area is maximum

    asked by Preet
  23. Chemistry.

    How do I calculate the internuclear distances for KF, KCl, KI, and KBr?

    asked by Cassie
  24. calculus

    find the sides of triangle such that area is maximum.

    asked by Preet
  25. maths --plse help me..

    solve the following equation by method of completing the perfect square:- 4x^2 + 4 √3 x +3=0

    asked by Anonymous
  26. Math

    A student rolls three standard six-sided dice. What is the probability that the sum of the numbers that come up will be 18?

    asked by Anonymous
  27. discrete structure

    Assume that Adam has 4 books to be bought. For each book, Adam can buy it from 3 different shops. Further assume each shop is unique. Using graph/tree graph,show the possible ways to buy all books starting from book 1 to book 4 in sequence.

    asked by abc
  28. physical sciences

    The density of mercury is 13.54 g/cm3. Suppose you need 40 gm of mercury for an experiment. What volume of mercury do you need?

    asked by jazmin
  29. income tax

    Which of the following expenses is deductible, but subject to the 2% limitation on Form 1040, schedule a;job expenses and most other miscellaneous itemized deductions? a. a blue suit for an accountant b. appraisal fees on the sale of a personal residence

    asked by Lourane
  30. geometry

    Benji is 55 ft from the base of his apartment building in New York when he spots his friend, Ronny, in the apartment building 150 feet up on the 15th floor. From where he is standing, what is the angle of elevation when he looks up at Ronny? Round to the

    asked by Anonymous
  31. income tax

    In 2011, the Chens' pleasure boat was severely damaged by a hurricane in an area that was declared a federal disaster area. they had AGI of $110,000 in 2011. The following information relates to the craft: Cost basis $95,000 FMV before casualty 145,000 FMV

    asked by Lourane
  32. science

    Two point charges are placed on the x-axis a follows: charge q1= +4.00nC is located at x=0.200m, and charge q2= +5.oonC is at x=-0.300m. What are the magnitude and direction of the total force exerted by these two charges on a negative point charge q3=

    asked by jay
  33. Sociology

    what is the importance of identifying norms within a team and Why is clear communication considered an essential element during team developement?

    asked by Tameika
  34. English writing

    Please ASAP can someone give me an introductory paragraph on the Truman show and the giver with the title and author and the thesis statement ? Please just an idea I need help

    asked by Jessica
  35. Math

    The population of town A increases from 1,346 to 1,500. In the same period, the population of town B increases from 1,546 to 1,800. a. Find the percent of increase in population for town A and for town B. b. Which town had the greater percent of increase?

    asked by Eric
  36. trigonometry

    4.if cotθ = -√15/7 , use the fundamental identities to find cosθ > 0 9.A projectile is fired with an initial velocity of 88 ft/sec at an angle of 35° to the horizontal. Neglecting air resistance, what is the time of impact? (Round to the nearest

    asked by Emily
  37. physic

    Light is shone on a metal and photoelectrons are emitted. Can you tell me the three things from the list below which might cause the photoelectron emission to stop. Decreasing the intensity of the light Increasing the frequency of the light Decreasing the

    asked by vanya
  38. trigonometry

    5. Find the complete exact solution of sin x = -√3/2. 9. Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) to two decimal places. 21. Solve tan^2x + tan x – 1 = 0 for the principal value(s) to two decimal places. 22. Prove that tan^2a –

    asked by eemily
  39. chemistry - exam practice help!!

    Given the table below predict the numerical value of the standard cell potential for the reaction: 2 Cr(s) + 3 Cu2+(aq) 2 Cr3+(aq) + 3 Cu(s) Half Reaction E (volts) (1) Cr3+ + 3 e- Cr E= -0.74 (2) Cr3+ + e- Cr2+ E=-0.41 (3) Cr2O72- + 14 H+ + 6 e- 2 Cr3+ +

    asked by Anya
  40. physics

    Two particles are fixed on an x axis. Particle 1 of charge 47.9 μC is located at x = -5.87 cm; particle 2 of charge Q is located at x = 32.3 cm. Particle 3 of charge magnitude 52.8 μC is released from rest on the y axis at y = 15.1 cm. What is the value

    asked by Anonymous
  41. Physics

    a hockey player accelerates a puck (m=.167 kg) from rest to a velocity of 50 m/s in 0.0121 sec. Determine the acceleration of the p7uck and the force applied by the hockey stick to the puck. Neglect resistance forces.

    asked by Anonymous
  42. Physics

    a bike passes a lamp post at the crest of hill at 4.5 m/s. she accelerates down the hill at the rate of 0.04 m/s squared for 12 seconds. how far does she move down the hill during this time ?

    asked by Dawn
  43. trigo math

    7. Prove that tan B sin B + cos B = sec B. 11. Prove that tanλ cos^2λ +sin^2λ/sinλ = cos λ + sin λ. 12. Prove that 1+tanθ/1+tanθ = sec^2θ+2tanθ/ 1-tan^2θ. 21. Prove that sin^2w-cos^2w/ tan w sin w + cos w tan w = cos w – cot w cos w.

    asked by RUDY
  44. chemistry - exam practice help!!

    For the cell shown below, which will increase the cell voltage the most? Fe2+ | Fe3+ || Cu2+ | Cu A) Halve[Cu2+] B) Double[Cu2+] C) Double[Fe2+] D) Halve[Fe2+] E) Cut Cu electrode in half ... Ecell = E0 cell + 0.059/n * log([Cu+]/[Fe2+]) Ecell is directly

    asked by Anya
  45. chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond When an atom gains or loses valence electrons and becomes charged, it is known as

    asked by Victoria
  46. pre-algebra

    the perimeter of a pool is 150m. the width is 1/2 its length. what are the dimensions of the pool

    asked by nancy
  47. chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond When an atom gains or loses valence electrons and becomes charged, it is known as

    asked by Victoria
  48. Math

    What is the value for n : 3n-8=32-n

    asked by Gabi
  49. Spainsh

    Help? Which word in a sentence or phrase determines the gender of its descriptors? A. adjective B. verb C. noun D. infinitive E. stem F. conjugation

    asked by Victoria
  50. Math

    If 2 cups of rice requires 4.5 cups of water, what is the total number of cups of water needed to prepare 5 cups of the same rice?

    asked by Mimi
  51. Math

    In the Ambrose family, the ages of the three children are three consecutive even integers. If the age of the youngest child is represented by x+3, which expression represents the age of the oldest child? (1)x+5 (2)x+6 (3)x+7 (4)x+8

    asked by Amy
  52. geometry

    find the measures bc and ac

    asked by samantha
  53. Math

    The graph of the equation 2x+6y=4 passes through point (x,-2). What is the value of x?

    asked by Joseph
  54. Math

    What is the verbal expression of 2(n-6)?

    asked by Tomas
  55. maths --plse help me..

    The pilot of an aircraft flying horizontally at a speed of 1200 Km/hr observes an angle of depression of a point on the ground changes from 30 degree to 45 degree in 15 seconds. Find the height of the aircraft at which it is flying?

    asked by Meenakshi
  56. Math help algebra HELP plz

    Solve A collection of dimes and quarters is worth $7.65. There are 45 coins in all . How many of each are there?

    asked by David
  57. Spainsh

    Check? Choose the correct option to complete the sentence Choose the correct option to complete the sentence 1. Marco y Ana ______________ en Acapulco por 3 semanas A. estuvo B. estuvieron C. estuvimos D. estuvisteis My answer: A Yo no _____________

    asked by Unknown
  58. Algebra help PLZ NOW

    Graph the following equation : 2x-3y=-6

    asked by David
  59. NEED Help math

    Graph this equation : X=-3 on a graph PLZ and show how you did it please

    asked by David
  60. Math

    The perimeter of a rectangle is 82 yards. The length is two yards more than the width. Find the dimensions of the rectangle.

    asked by David
  61. US History

    What was the purpose of the Washington Naval Disarmament Conference and the Kellogg-Briand Pact? What prompted them? Was the purpose accomplished?

    asked by Rodney
  62. Mathsa

    Which of the following equations has an infinite number of solutions? (1 point) 3x – 3 = –4x 2y + 4 – y = 16 7x + 5 = 4x + 5 + 3x 6y – 2 = 2(y – 1)

    asked by James
  63. Mathsa

    Which of the following equations has an infinite number of solutions? (1 point) 3x – 3 = –4x 2y + 4 – y = 16 7x + 5 = 4x + 5 + 3x 6y – 2 = 2(y – 1)

    asked by James
  64. maths --plse help me..

    The angle of elevation of the top of a tower as observed from a point on the ground is alpha and on moving a meters towards the tower, the angle of elevation is beta .prove that the height of the tower is a (tan alpha*tan beta)/(tan beta - tan alpha)

    asked by Meenakshi
  65. physics

    A particular guitar string is supposed to vibrate at 210Hz , but it is measured to vibrate at 220Hz By what percent should the tension in the string be changed to correct the frequency?

    asked by melissa
  66. Math HELP

    Write the equation of the line (in slop/intercept form) that has a slop of 7 and goes through the point (6,4).

    asked by David
  67. Physics

    A sound wave is traveling in warm air when it hits a layer of cold, dense air. If the sound wave hits the cold air interface at an angle of 23 degree angle, what is the angle of refraction? Assume that the cold air temperature is -10 degrees C and the warm

    asked by melissa
  68. chemistry

    Internal energy is denoted by the letter U. true/false false

    asked by Anonymous
  69. I don't know the quadreatic formula for this

    X^2 x+2=82, x^2+2x=82

    asked by David
  70. Mathv

    4. Graph the inequality: x ≤ –2 (1 point)

    asked by June
  71. Math story problem

    Melissa and Emily leave by car from the same location traveling in opposite directions. Melissa leaves at 4:00 traveling at 55mph. Emily leaves at 5:00 traveling at 60 mph. At what time will they be at 325 miles apart?

    asked by David
  72. kbMath

    5.   4x + 2 = x + 8.  (1 point) x = 4 x = 3 x = 2 x = 1 Solve the inequality. 6.   q – 12 ≥ –13  (1 point) q ≥ 1 q ≥ –1 q ≥ 25 q ≥ –25 7.   12p < 96  (1 point) p < 8 p < 108 p < 84 p < –8 8.    < –18  (1 point) g <

    asked by Anonymous
  73. Mathforme

    5. 4x + 2 = x + 8. (1 point) x = 4 x = 3 x = 2 x = 1 Solve the inequality. 6. q – 12 ≥ –13 (1 point) q ≥ 1 q ≥ –1 q ≥ 25 q ≥ –25 7. 12p < 96 (1 point) p < 8 p < 108 p < 84 p < –8 8. < –18 (1 point) g < –23 g > –90 g > 90 g < 90 9.

    asked by Anonymous
  74. Please help me out I can't figure out how to do th

    Graph this equation: x=-3 PLZ show the steps of how you got it.

    asked by David
  75. Math

    Merchandise inventory purchases for a firm for a three month period are: January :2,000 units @ $12 per unit; February 1,800 @ $14 per unit; march 2,600 units @15 per unit. What is the mean unit cost of merchandise inventory? A.$12.82 B.$13.33 C.$13.78

    asked by Steph
  76. MATH help PLZ sole for x:

    Solve for x: X-1/x = 3x/x-2

    asked by David
  77. Economics

    Given the following information calculate the Marginal Revenues. I am getting lost on the order because I know the formula is change in TR/change in Q. Q Price TR 60 26,000 (60x26K) = 1,560,000 70 22,000 (1,540,000) 80 18,000 (1,440,000) 90 14,000

    asked by Howard
  78. Math storie problem

    The perimeter of a rectangle is 82 yards. The length is two yards more than the width. Find the dimensions of the rectangle.

    asked by David
  79. chemistry

    Which of the following best describes the heat engine? A. A heat engine works through the conversion of energy in the form of heat to mechanical work. B. A heat engine works through the conversion of energy in the form of heat to chemical work. C. A heat

    asked by Anonymous
  80. chemistry

    Which of the following best describes the Carnot cycle? A. It represents one of the least efficient cycles for converting thermal energy into work. B. It represents one of the most efficient cycles for converting thermal energy into work. C. It represents

    asked by Anonymous
  81. Math solve for x

    X^2-4x-24=0

    asked by David
  82. Solve for x math help

    (x-4)^2=12

    asked by David
  83. Math help

    Find the width of a recctangle that has a length of 48 cm a diagonal of 50 cm.

    asked by David
  84. How do I solve for w

    W^2+48^2=50^2

    asked by David
  85. math (precalc)

    Point S is 4 km west of point R, and point T is 4 km southwest of S. Find the bearing and distance from R to T. (If possible, show diagrams too, please! Thanks in advance.)

    asked by Erin
  86. labor relations

    to most effectively increase its percentage of the labor force in the 1990s, the union movement should increase its appeal to:

    asked by Rachel
  87. Math

    3x – 7y < –21 how would I graph this? Please help.

    asked by Timothy
  88. physics

    A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.100 . Suddenly, the plane accelerates forward, its altitude remaining constant. What

    asked by Amy
  89. accounting

    . Della purchased a commercial warehouse which has a 39 year life on February 25, 2011, for $350,000. $45,000 of the price was for the land. What is her depreciation deduction for 2011

    asked by kaye
  90. accounting

    On November 30, 2011, Constance purchased an apartment building for $750,000. Determine her depreciation deduction for 2011

    asked by kaye
  91. accounting

    Georgia owns a home in Colorado that she rents for $1,200 per month that she does not use personally. While she was in Europe for Christmas, the roof in her house leaked and her tenants repaired it for $900. For the following month's rent (January), her

    asked by kaye
  92. English

    What does ATLEAST mean if the number is 360? A.) 360 and less B.) 360 and more

    asked by Deborah
  93. Math help plz

    To determine the number of fish in a lake , a conservationist catches 500 fish, tags them, and releases them into the lake. Later, 120 fish are caught and 25 of them are tagged. Estimate the number of fish in the lake.

    asked by David
  94. Computer

    Why are zombie processes dangerous for long running server program?

    asked by Steve
  95. Math help give an example

    The equation of a line that passes through (0,0)

    asked by David
  96. Math help give an example

    The equation of a line that is perpendicular to the line y=-7x+4

    asked by David
  97. Spanish

    Check this answer? Which letters exist in the Spanish alphabet, but not in the English? A. ll B. ch C. ñ D. s E. none of the above F. a,b,& c only My answer was : B

    asked by Unknown
  98. Math help storie problem

    Dave buys 3 green peppers and 2 red peppers for $3.45. Ruth buys 4 green peppers and 3 red peppers for $ 5.00. Find the price of each variety of pepper.

    asked by David
  99. Math

    An open box is to be made from a 11 inch by 11 inch piece of cardboad. this box is constructed by cutting squares that measure x inches on each side from the corners of the cardboard and turning up the sides. Use a graphical calculator to find the height

    asked by Des
  100. Spanish

    Spanish ?? Mandatos informales . Check Please, Answers are on the bottom of the page. 1) Choose the correct informal command for the following verb (Ayudar) ___________ a tu hermano A. Ayudas B. Ayudes C. Ayuda D. Ayude E. Ayudó F. Ayudaba 2) Choose the

    asked by Unknown
  101. Health

    One desirable behavioral objective of a nutrition education activity is for children to: a.identify nutritional strengths of the food b.clean all spills immediately c.taste the food that has been prepared d.classify the food in its appropriate food group

    asked by Resi
  102. Algebra 2

    The numbers iã5 and -iã5 are solutions to which equation? a. x^2+ã5=0 b. x^2+5=0 d. x^2-5=0

    asked by Cynthia
  103. business

    anybody can help me for this situation?? • Monitor Transport Maintenance: In order to guarantee the safety of all our customer, the condition of each vehicle must be in good shape throughout their service. Developer should propose an effective method of

    asked by kchik
  104. Math help give example

    A third degree polynomial of one variable with four terms written in descending order

    asked by David
  105. Algebra 2

    Simplify. (2-5i)-(3+4i)

    asked by Cynthia
  106. MATH help PLZ provide an example

    An illustration of the associative property of addition provide an example

    asked by David
  107. MATH help PLZ provide an example

    An illustration of the associative property of addition provide an example

    asked by David
  108. Please HELP with this storie problem

    Dave buys 3 green peppers and 2 red peppers for $3.45. Ruth buys 4 green peppers and 3 red peppers for $ 5.00. Find the price of each variety of pepper.

    asked by David
  109. Help Please!! Health

    Which one of the following major concepts is NOT included in the conceptual framework on which education nutrition is based? a.nutrition is how the body uses food b.food is composed of nutrients required for health c.every person needs a variety of

    asked by JoJo
  110. Math

    Is the ordered pair (0,0) a solution of the direct variation equation y=kx ?

    asked by Cassidy
  111. biology

    genetic engineering can provide a variety of advantages and disadvantages to today's society. what are current scientists more likely to learn from transgenic animals than from transgenic bacteria or transgenic plants?

    asked by gabe
  112. MATH HELP Algebra

    An illustration of the associative property of addition provide an example

    asked by David
  113. science

    in pea plants yellow peas are dominant over green peas. a particular pea plant has one recessive allele for green peas. in which of the following scenarios would the plant have green peas?

    asked by gabe
  114. Algebra help

    Dave buys 3 green peppers and 2 red peppers for $3.45. Ruth buys 4 green peppers and 3 red peppers for $ 5.00. Find the price of each variety of pepper.

    asked by Sam
  115. Differential Calc (Math)

    Stuck... can't seem to use l'hopitals, nor can I use logrithmic differentiation... lim (e^(2x)+ x)^(1/3x) x->0+ Thank you so much

    asked by Joey
  116. math

    I have a diagram of an occupied building space within a larger building represented by 49 equal squares but no linear measures for the sides. The space is 120,000 sq ft. how can i estimate the lengths and widths of the floor space with just this

    asked by Barry
  117. Business Ms.Sue

    Paul Smith is opening a plumbing supply store in University City .He plans to sell plumbing parts and material to both wholesale and retail customers. Since contactorors prefer to charge parts and materials and pay at the end of the month, Paul expects he

    asked by quita
  118. ap world history

    What was the nature and extent of the Umayyad Empire? How do you answer this question? What's an empire's nature? HELP PLEASE!

    asked by Daniela
  119. Science

    If an object with a density of 0.8 g/cc is placed in pure water is it correct that 80% of the object will be below the water line and 20% of the object will be above the water line?

    asked by Jerry
  120. vocabulary

    for the words listed below,write an additional word that is part of the same word family.

    asked by john
  121. math

    Calculat the absolute value of: 4-{x-3}=0 PS. The brackets are supposed to be the straight lines for the absolute symbols.

    asked by lindsay
  122. Science

    Is it incorrect to use g/ml as the unit for the density of a solid object? I thought g/ml and g/cc were the same.

    asked by Jerry
  123. math helpp!!!

    Bernie put in a garden in her back yard. The garden has a perimeter of 265 feet. She wants to know the total surface area of the garden and all she knows is the perimeter and that the width is 20% or (1/5) of the length. (Remember 20% and the fraction 1/5

    asked by Kate
  124. help math!!!

    A boat travels down the river in 2.3 hours. The return trip up river takes 3.7 hours. A one way trip down or up river is a distance of 26 miles. If the boat is traveling at maximum speed, what is the boats speed measured in waters with no current? You need

    asked by erin
  125. math hurry please

    Each child ticket for a ride costs $3, while each adult ticket costs $5. If the ride collected a total of $115, and 33 tickets were sold, how many of each type of ticket were sold? A. 8 child and 25 adult B. 17 child and 16 adult C. 156 child and 41 adult

    asked by maria
  126. Help please!!health

    After a meal at a child care center ,the left over hot food that has been in serving bowls that have been on the table should be: a.chilled, refrigerated and used at another meal b.reheated, cooled and frozen for later use c.discarded d.heated in a

    asked by JoJo
  127. Pschology

    what are some sources for mental health treatment in Canada?

    asked by Anonymous
  128. math please help fast

    How many solutions are there to the following system of equations? 2x – y = 2 –x + 5y = 3 A. 0 B. 1 C. 2 D. infinitely many

    asked by girl
  129. EPCC

    how to calculate the heat (kJ) released to thesurroundings when a 23.0 g of HCL if formed, from a CH4 + Cl2=CHCl3+3HCL

    asked by alex
  130. english

    Hello, I have to do an essay on what specific actions should a Christian do to protect the environment. I am having issues looking up resources thanks

    asked by darius
  131. algebra 2

    how can i solve this help please show the step 3square rood of 64x^4

    asked by lisa
  132. Geometry- Preferably Ms. Sue

    Lucinda wants to build a square sandbox, but she has no way of measuring angles. Which of the following explains how she can make sure the sandbox is square by measuring only length? A)Arrange four equal-length sides, so the diagonals bisect each other.

    asked by BaileyBubble
  133. math

    what is the lcm of 11 5 and 4 please help

    asked by casey
  134. Analytic Geometry

    Please help me to solve this problem. Find the equation of the locus of a moving point if the sum of the slopes of the line joining it to (1,3) and (4,-2) is 1.

    asked by xavier
  135. Biology- please help :)

    The Hershey-Chase experiment proved that DNA was the hereditary material because? A)radioactive phosphorus in viral proteins was shown not to enter bacterial cells. B)radioactive phosphorus in viral DNA was shown to enter bacterial cells. C)radioactive

    asked by TheGirlNextDoor
  136. math

    I don't understand how to do my math homework. 7 over 6. (-18 over 35)

    asked by carrie
  137. geometry

    In triangle GHJ and triangle KLM, it's given that

    asked by sherianna johnson
  138. science

    what is the probable relationship between the rebound centers and the thickness of ice in canada

    asked by g
  139. math

    Suppose you invest $700 at an annual interest rate of 7.6% compounded continuously. How much will you have in the account after 1.5 years?

    asked by jeannie
  140. calculus

    Calculate the area between curves y=e^x and y=-e^x on the interval [0,1]

    asked by Kieran
  141. calculus

    determine the cubic function with 1 point of inflection and no relative minima or maxima.

    asked by Kieran
  142. calculus

    the area of a rectangle is A=lw. Further suppose l=2w. calculate dA in terms of the differential dw. does this just mean to get the derivative of 2w^2

    asked by Kieran
  143. geometry

    find the equation of the line through (6, -3) and (-4, -7)

    asked by xavier
  144. Chemistry

    A compound of carbon, hydrogen, and oxygen was burned in oxygen, and 2.00 g of the compound produced 2.868 g CO2 and 1.567 g H2O. In another experiment 0.1107g of the compound was dissolved in 25.0 g of water. This solution had a freezing point of -0.0894

    asked by jojop18
  145. univ. physics

    A heat pump has a coefficient of performance of 4.5. If the heat pump absorbs 46.1 cal of heat from the cold outdoors in each cycle, what is the amount of heat expelled to the warm indoors? (in cal)

    asked by kate
  146. Chem--PLEASE HELP 911

    A compound of carbon, hydrogen, and oxygen was burned in oxygen, and 2.00 g of the compound produced 2.868 g CO2 and 1.567 g H2O. In another experiment 0.1107g of the compound was dissolved in 25.0 g of water. This solution had a freezing point of -0.0894

    asked by MSJO
  147. Science

    Does the weight on a Bridge affect the amount of shaking it endures during an earthquake?

    asked by Rebecca
  148. statistics

    Describe a hypothesis related to the area of psychology in which you are predicting an interaction. Describe the specific nature of the interaction and why you think an interaction would occur.

    asked by vickie
  149. statistics

    What is the advantage of using a two-factor design rather than conducting two separate studies, each investigating one of the factors?

    asked by vickie
  150. English

    CHECK PLEASE?! Part 1: Poem Structure "Annbel lee" by edgar allen poe In this part, you will analyze the structure of the poem. Please fill out the following. Title of Poem:Annabel lee Poet: Edgar allen poe Theme: potrait Type of Poem:Narrative poetry

    asked by Unknown
  151. Fraction

    So I have figured this out but I don't think this is the way I am suppose to write the equation fraction out. 8 1/2 years ago, Steven was 7 years old. How old is he now? Do I write it out like this 8/1 + 1/2 + 7/1 ??? But it comes out too high of a number.

    asked by Moby
  152. windows 7

    A____ searchs the web for information related to the text you select. A. web archive B.In private browser C. accelerator

    asked by Tam
  153. Math Project..Please help me..

    1. Samuel is 2/3 as old as his brother. In five years, he will be 3/4 as old as his brother will be. Find their present ages. a. If x = the brother’s age now, write an expression for Samuel’s present age in terms of x. b. Write an expression for the

    asked by Morgan
  154. Pre-cal

    f(x)= x+1 and g(x)= square root of x-3 please help me!

    asked by Isis
  155. math

    4 students are sitting to receive the prizes.Alan and Julia wanted to sit together, how many different arrangements of students would there be ?

    asked by john
  156. Biology

    Do you think the Dough will rise the fastest in the sample with the highest , the lowest , or a moderate concentrate of sugra?

    asked by Shay
  157. Physics help!

    Suppose a revolving door at the bamk is spinning around once every 5 seconds. As you walk through, you push on the door for 2 seconds, which increases the rotational speed so that it rotates once a second. What was the rotational acceleration due to your

    asked by Anonymous
  158. Physics

    You need to open a heavy door that's 40 inches wide. Instinctively, you push near the edge that's the farthest from the hinges. If instead, you had pushed at a point only 10 inches in from the hinges, how much harder would you have had to push to open the

    asked by Anonymous
  159. Physics

    A crowbar lever , with a 3 inch long nail remover connected to a 20inch handle. If you push down on the handle end with a force of 40 N, what force is available to remove a nail? HINT: a Crowbar isnt all that different from a seesaw, except the pivot is

    asked by Anonymous
  160. math

    Find the fraction of these whole numbers 1/2of 10

    asked by gabe
  161. Physics

    How much work is done to the wagon by the girl pulling her brother shown in Figure 4.16, if she travels 25 m? F= (50N), 30 DEGREES ANGLE

    asked by juninho
  162. math

    it says to find a fraction of these whole numbers 1/2 of 10 has to be a fraction

    asked by gabe
  163. Physics PLEASE HELP!

    Suppose a revolving door at the bamk is spinning around once every 5 seconds. As you walk through, you push on the door for 2 seconds, which increases the rotational speed so that it rotates once a second. What was the rotational acceleration due to your

    asked by Anonymous
  164. English

    Edgar Allen Poe. What have you learned about the poet that contributes to the type of poetry he writes?

    asked by Vanessa
  165. algebra

    there was a total of 840 guests at a wedding dinner. 60% of them were adults, and the rest were children. some boys left before the dessert was served. as a result, the percentage of adults increased to 70%. how many boys left before the dessert was served

    asked by maxy
  166. Science

    if the wood in the bowl contains only 1/16 of its original C-14, then its age is four half-lives of C-14.

    asked by Anthony
  167. math

    Triangle HIJ is similar to triangle LMN. Side LM measures x + 1, side MN measures 2x and side NL measures 3x – 1. Side HI measures 12 and side JH measures 26.4. Find the value of x

    asked by neecee
  168. physics

    a car of mass 12,000 kjg is moving at 40m/s along a strong road. The driver brakes and the car goes 800 meters before stopping. What was the magnitude of the average force of friction (inN) between tires and road?

    asked by Nukhba
  169. reading

    is this a good story She left that morning, taking all she could with her clothes, money, phone; as she headed toward the straggle subway as she bounded many people screamed at her and told her names but she didn’t care she was so lost in this maroon

    asked by naomi
  170. Biology

    List two ways that these single - celled fungi are different from bac-terial cells?

    asked by Alexis
  171. Statistics

    I'm having a problem with this problem. Please help. Thank you.. Find the probability that more than 13 people will read the morning newspaper..

    asked by Stacy
  172. math

    x+3+7=5(x-4) solve for x?

    asked by sabrina
  173. math

    3 - 2 x _____ = 1 ? please explain how to answer

    asked by sabrina
  174. book/movie report

    My teacher said that we needed to do a book report or a movie report. 1. Can someone post a website of book reports and movie reports. I wanted to do a report on Hunger Games but the book version and movie version is different.

    asked by Cerrety
  175. 7/8 Math URGENT!!! PLZ HELP!! ANYONE????

    Could ANYONE please explain this formula to me and what the words mean... I=prt (Intrest= principle x rate x time)

    asked by Christabelle
  176. math

    Express each ratio as a unit rate.Round to the nearest tenth, if necesary. A: 400 feet in 52.4 seconds B: 184 meters in 38 seconds

    asked by gary
  177. math

    Find two consecutive even integers such that the square of the smaller is 10 more than the larger.

    asked by LP
  178. chemistry

    10. If the calcium oxide were obtained by the heating of calcium hydroxide, how much hydroxide would be needed to obtain the 15.0 g? 11. If the 15.0 g of calcium oxide in the above problems were allowed to react with water, what amount of calcium hydroxide

    asked by greg
  179. math

    A necklace, priced between $50 and $100, was on sale at 25% off. When the original price (a whole dollar amount) was discounted, the sale price was also a whole number of dollars. What are the possible original prices for the necklace?

    asked by peaches
  180. everest

    In Weeks 9 and 10, you will develop an essay using definition as the rhetorical strategy. This week, you will develop an introductory paragraph for your definition essay, including a thesis statement. To complete this assignment: Choose a term related to

    asked by sna
  181. Chemistry

    15. 120 g of sulfuric acid are added to 230.0 g of barium peroxide. Which reactant is in excess and by how much? How much barium sulfate is precipitated in this reaction???? HELP please

    asked by John
  182. PHYSICS PLEASE HELP!

    You need to open a heavy door that's 40 inches wide. Instinctively, you push near the edge that's the farthest from the hinges. If instead, you had pushed at a point only 10 inches in from the hinges, how much harder would you have had to push to open the

    asked by Anonymous
  183. PHYSICS PLEASE HELP!

    A crowbar lever , with a 3 inch long nail remover connected to a 20inch handle. If you push down on the handle end with a force of 40 N, what force is available to remove a nail? HINT: a Crowbar isnt all that different from a seesaw, except the pivot is

    asked by Anonymous
  184. physics

    An electron is accelerated from rest to a velocity of 2.0x10^7 m/s. a) if the electron travelled 0.10m while it was being accelerated, what was its acceleration? b)How long did the electron take to attain its final velocity? Please correct me if I'm wrong

    asked by Leo
  185. AIG MATH

    The weight of Meg's dog is 2 1/2 times more than that of her cat. If both animals weight 42 lbs, find the weight of each animal?Please show your work.

    asked by May
  186. Chemistry

    How many grams of carbon dioxide can be obtained from the action of 100.0 g of sulfuric acid on 100.0 g of calcium carbonate?? I need helpim stuck!

    asked by Jay
  187. math

    Jennifer is 16 and grandfather is 72.How many years ago was her grandfather 5 times as old as Jennifer

    asked by Anonymous
  188. math

    the cost of 2 televisions and 3 dvd players cost 1421 dollars the cost of 1 dvd player is half the cost of of 1 television what is the cost of 1 television. How you could slove in simple math

    asked by zahid
  189. calculus

    for the given functions f&g, find the following and state the domain of each result. f(x)=5x+4/7x-8; g(x)=2x/7x-8 a.(f+g)(x)= ? what is the domain? b. (f/g)(x)= ? what is the domain? Please show work

    asked by confused--please help
  190. PHYSICS NEED HELP PLEASE

    You need to open a heavy door that's 40 inches wide. Instinctively, you push near the edge that's the farthest from the hinges. If instead, you had pushed at a point only 10 inches in from the hinges, how much harder would you have had to push to open the

    asked by Anonymous
  191. math

    If a pastry chef has 13 lbs of apple slices to make 8 apple pies if slices are distributed equally what will be the wright of the apple slices used to make eavh pie

    asked by tj
  192. jmhs help

    Which of the following statements about learning styles is false? A. An individual should study using techniques that utilize his or her preferred learning style. B. An individual can learn using only his or her preferred learning style. C. Understanding

    asked by amanda
  193. math

    There are 10 cups of punch left in the punch bowl. Each glass holds 2/3 of a cup.how many glasses can you fill?

    asked by tania
  194. Algebra

    Please help!!! im not sure what it is asking or how to answer it! In what situations would you use the mean to summarize a set of data? The median?

    asked by Aurora
  195. Please I'm begging someone help me with biology

    I need help with listing two ways that single - celled fungi are different from bac-terial cells??? I'm so clueless I'm begging anyone to help me thanks

    asked by Sierra
  196. Please I'm begging someone help me with biology

    I need help with listing two ways that single - celled fungi are different from bac-terial cells??? I'm so clueless I'm begging anyone to help me thanks

    asked by Sierra
  197. vocab

    This summer, local children can sigh up for art class or music lessons for a confiscate fee of $3. It's impossible to take both, though, since the classes will be recession

    asked by Susan
  198. math

    if bob uses x eggs for every 200 grams flour. How many eggs does he use if he uses 900 grams flour?

    asked by rachel
  199. Earth Science

    Computer models of Earth's climate project increases in the average temperature from 2°C to 6°C by the end of the century. Have these high temperatures ever occurred before in the past 400 000 years?

    asked by kazz
  200. INTEGRATED ALGEBRA

    |1.5C-24|

    asked by DESIREE
  201. hunger games/ book review and movie review

    How long is a book review? What is the difference between hunger games book review and hunger games moview review?

    asked by Celest
  202. math ALG 2!

    Four times a certain number is the same as the number increased by 78. Find the number.

    asked by tyneisha
  203. physics

    A swimmer swims in still water at a speed of 6.83 m/s. He intends to swim directly across a river that has a downstream current of 2.89 m/s. (a) What must the swimmer's direction be?

    asked by Anonymous
  204. physics

    A hunter wishes to cross a river that is 2.5 km wide and that flows with a speed of 6.0 km/h. The hunter uses a small powerboat that moves at a maximum speed of 9.8 km/h with respect to the water. What is the minimum time necessary for crossing?

    asked by Anonymous
  205. physics

    The pilot of an aircraft wishes to fly due west in a 46.8 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 204 km/h. (a) In what direction should the aircraft head? ° north of west (b) What should its speed

    asked by Anonymous
  206. physics

    A river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 9.2 m/s due north relative to the water. (a) What is the velocity of the boat as viewed by an observer on the shore?

    asked by Anonymous
  207. Physics

    An arrow is shot straight upward at 55 m/s. a) find the time until the arrow reaches its peak b)how high was the arrow at its peak c)find the total time the arrow is in the air d)what was the velocity of the arrow after 3.5 seconds e)how high was it at 3.5

    asked by Bree
  208. Physics

    An arrow is shot straight upward at 55 m/s. a) find the time until the arrow reaches its peak b)how high was the arrow at its peak c)find the total time the arrow is in the air d)what was the velocity of the arrow after 3.5 seconds e)how high was it at 3.5

    asked by Bree
  209. 7th grade language arts Ms. Sue please

    1. If you were writing a persuasive essay about the need to install solar panels on top of big apartment buildings, what counterargument should you address? (1 point) Homeowners can get tax breaks for installing solar panels on their homes. People are

    asked by Delilah
  210. physics

    A place kicker must kick a football from a point 32.2 m from a goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked the ball leaves the ground with a speed of 20.8 m/s at an angle of 53° to the horizontal. (a)

    asked by Anonymous
  211. physics

    A shell is fired from the ground with an initial speed of 1.54 103 m/s at an initial angle of 46° to the horizontal. (a) Neglecting air resistance, find the shell's horizontal range. m (b) Find the amount of time the shell is in motion. s

    asked by Anonymous
  212. Physics

    An arrow is shot straight upward at 55 m/s. a) find the time until the arrow reaches its peak b)how high was the arrow at its peak c)find the total time the arrow is in the air d)what was the velocity of the arrow after 3.5 seconds e)how high was it at 3.5

    asked by Bree
  213. physics

    A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both reach the edge of a 4.2 m waterfall. If the spy's speed is 20 m/s and the officials' speed is 24

    asked by Anonymous
  214. physics

    A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of vi = 16 m/s. The cliff is h = 60 m above the water's surface, as shown below. (a) How long does it take for the stone to fall to the water? s (b) With what speed

    asked by Anonymous
  215. physics

    A person walks the path shown below. The total trip consists of four straight-line paths. Path 1 is 80.0 m due east. Path 2 is 250.0 m due south. Path 3 is 130.0 m 30.0° south of west. Path 4 is 190.0 m 60.0° north of west. At the end of the walk, what

    asked by Anonymous
  216. HUNGER GAMES

    For the hunger games books. Theres catching fire and mocking jay??? what are both of the books about? I only read the first book and only saw the movie

    asked by Celest
  217. math ALG 2!

    A blue bike is $14 less than a red bike. The sum of their prices is $300. How much is the red bike?

    asked by tyneisha
  218. Math alg2!

    1.)Mike is 5 years more than twice as old as Tom. The sum of their ages is 65. How old is Mike? 2.)Mrs. Computer is 3 times older than her daughter, Mousy. The sum of their ages is 52. How old is Mousy?

    asked by tyneisha
  219. math ALG 2!

    Find three consecutive integers such that the sum of the second and the third is 17. Which equation would be used to solve this word problem? a.) x + (x + 1) + (x + 2) = 17 b.)(x + 1) + (x + 2) = 17 c.)x + (x + 2) + (x + 4) = 17 d.) 2(x + 2) + 3(x + 4) =

    asked by tyneisha
  220. adverb/adjective

    what is the adverb and the adjective that it modifies inb this sentence? In spite of her defeat, she was not sad at all.

    asked by Anonymous
  221. math

    HOW TO FIND THE DECIMAL EQUIVALENT TO A MIXED FRACTION?

    asked by taliah
  222. aig math

    Jenny,Bob and Paul share a sum of money. Jenny received 2/5 of the money, Bob received 1/4 of the money and Paul received the rest of the money. If Paul received $1.50 more than Bob, how much more money did Jenny receive than Paul.

    asked by May
  223. Statistics

    please help having difficulty with this problem. It was noted that 40% of the people in Dallas read the morning newspaper. A random sample of 18 people is selected from the city. On average, how many people would you expect to read the morning newspaper in

    asked by Stacy
  224. reading

    is this a good story can i get ideas She left that morning, taking all she could with her clothes, money, phone; as she headed toward the straggle subway as she bounded many people screamed at her and told her names but she didn’t care she was so lost in

    asked by naomi
  225. Can anyone please help me this biology please !!!

    I am really stuck in this biology it super hard how do yeast cells benefit from fermentation ?I wil be happy if anyone would help me out thanks.

    asked by Justin
  226. book report

    THis is how I setted up for the heading: Title: Hunger Games Author: Suzanne Collinns Rank: You should definitley read this! ______ : Celest In the blank what word do I put?

    asked by Celest
  227. English

    Check? 1. What action is happening in the poem? Is there a story taking place in the poem? Is the poet reacting to an event? Describe. Edgar is describing his future love. They were only kids when they met, but Edgar knew he loved her. His is telling the

    asked by Vanessa
  228. math

    4/5 of x = $12.52. what is x?

    asked by Linda
  229. physical science

    In 300 words or more explain the similarities and differences between ionic, covalent, and metallic bonding.

    asked by Leighanne
  230. Math 9 pleese help me thanx

    The cube of the sum of 5 an 2 is decreased by the square of the product of 6 and 4. Write an expression that models this statement. Then , solve.

    asked by Harry
  231. Math

    What is 3/4 divided by 2/3?

    asked by Anonymous
  232. Physics

    Two long, straight, parallel wires carry current in the same direction. If the wires are 24 cm apart and carry currents of 2.0 A and 4.0 A, respectively, find the force per unit length on each wire? I'm not really sure how to go about this. I must be

    asked by Lorii
  233. Division

    If you have 43 marbles. You divide them equally among some sacks. How many sacks must you use to get fewer than 8that marbles in each sack?

    asked by Jo
  234. Chemistry

    How many electrons are there in the unipositive ion of Cs-136 (#55)? How many neutrons?

    asked by Lolly
  235. calculus

    find the rate of change of f(x)-x^2+4 a. from -2 to 0 b. from 1 to 3 c. from -2 to 1 please show work

    asked by confused--please help
  236. art through the ages

    Compare Raphael’s School of Athens to Veronese’s Christ in the House of Levi. Explain how each artist reflected the political and social environment of Rome and Venice during the Renaissance period

    asked by saraetta
  237. Math

    x+4+2x=-1-5+5x-4x

    asked by Leslie
  238. Algebra

    A rectangle is drawn so the width is 7 inches longer than the height. If the rectangle's diagonal measurement is 46 inches, find the height.

    asked by Samuel
  239. Division

    If you have 43 marbles. You divide them equally among some sacks. How many sacks must you use to get fewer than 8that marbles in each sack?

    asked by Jo
  240. I really need help in science please anyone thanks

    Since fermentation occurs in the cytoplasm of yeast cells explain the role of mitochondria in yeast cells ? If anyone can help me this I will truly be graceful

    asked by Mike
  241. trig

    evaluate the following in exact form, where the angeles alpha and beta satisfy the conditions: sin alpha=4/5 for pi/2 < alpha < pi tan beta=7/24 for pie < beta < 3pi/2 answer choices A. sin(beta+alpha) B. tan(beta-alpha) C. cos(alpha-beta)

    asked by liyah
  242. calculus

    write the function whose graph is the function of y=(x+5)^2 but is reflected about the x-axis. y=

    asked by help
  243. SCIENCE

    which process does not produce a physical change of state? A) MELTING ICE B) HEATING WATER VAPOUR C) FREEZING WATER D) MY GUESS IS

    asked by Taillen
  244. Math

    If the average of these four numbers is 21, find the missing number. 12, 18, 28, ? What is the missing number and why

    asked by Anonymous
  245. current physics

    3 kilo ohms ll 5 kilo ohms = 1.875 kilo ohms

    asked by Karen
  246. trig

    if tan x= 4/3 and pip < x < 3pi/2, and cot y= -5/12 with 3pi/2 < y < 2pi find sin(x-y)

    asked by liyah
  247. chemistry

    What are the steps in finding the balanced equation for the complete combustion of benzene?

    asked by Morgan
  248. calculus

    find the function that is finally graphed after the following transformations are applied to the graph of y=square root x in the order listed. a. reflected about the y-axis b. shift down 3 units c. shifht left 9 units please show work

    asked by help
  249. TO: MS SUE MATH 9

    The cube of the sum of 5 an 2 is decreased by the square of the product of 6 and 4. Write an expression that models this statement. Then , solve. THANX

    asked by Harry
  250. AD or BC?

    Wood fragments from the floor of a palace in Syria - Syro-Hittite period. Date: 675 ± 50 years BCE

    asked by Anonymous
  251. physics

    A 443 kg mass is brought close to a second mass of 181 kg on a frictional surface with coefficient of friction 0.5. At what distance will the second mass begin to slide toward the first mass? The acceleration of gravity is 9.8 m/s 2 and the value of the

    asked by Anonymous
  252. physics

    Tom has a mass of 72.2 kg and Sally has a mass of 49.4 kg. Tom and Sally are standing 17.4 m apart on a massless dance floor. Sally looks up and she sees Tom. She feels an attraction. If the attraction is gravitation, find its magnitude. Assume both can

    asked by Anonymous
  253. Math

    Meredith took 15 minutes to unpack 4 boxes of books. If she unpacked a total of 28 boxes, how long did it take her to unpack all the boxes?

    asked by Joe
  254. physics

    How high does a rocket have to go above the Earth’s surface so that its weight is reduced to 33.7 % of its weight at the Earth’s surface? The radius of the Earth is 6380 km and the universal gravitational constant is 6.67 × 10 −11 N · m 2 /kg 2 .

    asked by Anonymous
  255. physics

    An archer puts a 0.34 kg arrow to the bowstring. An average force of 213.1 N is exerted to draw the string back 1.48 m. The acceleration of gravity is 9.8 m/s 2 . Assuming no frictional loss, with what speed does the arrow leave the bow? Answer in units of

    asked by Anonymous
  256. Fund of programming 1

    Write a program that prints out your course schedule for a single week. Here's an example of the output for one day: Monday 9:00 Computer Science 101 Monday 11:00 Physics 201 Monday 2:00 Dance 153

    asked by Anonymous
  257. calculus

    for the function f(x)=5/x+4, find the average rate of change of f from 1 to x. please show work

    asked by Heather
  258. Fund of programming 1

    Complete the following C++ program. The program should compute and output the Celsius value corresponding to the given Fahrenheit value. //************************************************ // Celsius program // This program outputs the Celsius temperature

    asked by Anonymous
  259. Pre-Algebra

    Grete Waitz won the New York marathon nine times. The rate at which she ran during her last victory in 1988 was 26 miles in 148 minutes. To the nearest hundredth, what was the unit rate for her last race?

    asked by Anonymous
  260. 7/8 Math URGENT!!! PLZ HELP!! ANYONE????

    The $42 shirt came to $45.87 after tax. What is the tax rate? (%)

    asked by Christabelle
  261. physics

    A 443 kg mass is brought close to a second mass of 181 kg on a frictional surface with coefficient of friction 0.5. At what distance will the second mass begin to slide toward the first mass? The acceleration of gravity is 9.8 m/s 2 and the value of the

    asked by Anonymous
  262. calculus

    find the function that is finally graphed after the following transformations are applied to y=square root x in the order listed. a. reflected about the x-axis b. shift up 7 units c. shift right 5 units y=? would the answer be: y=sqrt(-x-5)-7

    asked by Heather
  263. Chemistry

    How many grams of acetic acid must be dissolved to produce 3875 ml with a Ph of 2.9?

    asked by Shelly
  264. math

    No results were found for the search term: At a student conference 12 students were asked to form different committees with the following conditions:1)each committee was to contain exactly 3 students;2)each student was to belong to exactly 2

    asked by houda
  265. calculus

    for the following f defined by f(x)=4x^2+3x+2. find the following values. a. f(-2)= b. f(-x)= c. -f(x)= df(x+h)= please show work

    asked by Help--Please
  266. calculus

    for the following f defined by f(x)=4x^2+3x+2. find the following values. a. f(-2)= b. f(-x)= c. -f(x)= df(x+h)= please show work

    asked by Help--Please
  267. I NEED HELP ASAP WITH SCIENCE PLEASE IT'S IMPORTAN

    Since fermentation occus in the cytoplasm of yeast cells explain the role of mitochondria in yeast cells?

    asked by Eric
  268. Physics

    Two long, straight, parallel wires carry current in the same direction. If the wires are 24 cm apart and carry currents of 2.0 A and 4.0 A, respectively, find the force per unit length on each wire?

    asked by Lorii
  269. math

    Mr. Frank is planning a parade, First 36 musicians will march and play. Second ,32 soilders will march in uniform; third 28 horses will goin fourth will be clowns . if the pattern continues, how many clowns will walk in the parade?

    asked by dorothy
  270. Chemistry

    10.0g of sodium chloride is dissoved in 300ml of 0.75mol/L magnesium chloride solution. Find the new concentration of chloride ions f the solution.

    asked by Emilee
  271. Chemistry

    10.0g of sodium chloride is dissoved in 300ml of 0.75mol/L magnesium chloride solution. Find the new concentration of chloride ions f the solution.

    asked by Emilee
  272. 7th grade math Ms. Sue please

    1. 7r – 7 = 2r + 18 (1 point) r = –5 r = 5 r = 2.2 r = 1.2 2. 2x + 12 = 18 – x (1 point) x = 3 x = 10 x = 6 x = 2 3. 8x – 3 = 15x + 18 (1 point) x = –3 x = 3 x = 2.1 x = .9 4. 6y – 6 = 4y + 16 (1 point) y = 2.2 y = –2.2 y = 11 y = 5 5. 3(x

    asked by Delilah
  273. chemistry 100

    How do I disassociate Li2CO3 I have tried Li_2CO_3--> 2Li^+ + 3CO^2- What am I doing wrong?

    asked by Anita
  274. Math Algebra , high school

    A biologist has three salt solutions: some 5% solution, some 15% solution, and some 25% solution. She needs to mix some of each to get 50 liters of 20% solution. She wants to us twice as much of the 5% solution as the 15% solution. How much of each

    asked by Gina
  275. Pie Charts

    On the pie chart it reads: 1999 U.S. Electricity Generation by Fuel Type (Billion Kilowat hours) Coal: 1882, 51% Natural Gas:565 15.3% Petroleum: 119, 3.2% Nuclear: 728, 19.7% Hydroelectric: 307, 8.3% Other Renewables: 89, 2.5% What was the total amount of

    asked by Jake
  276. Algebra II math high school

    To get the necessary funds for a planned expansion, a small company took out three loans totaling $25,000. The company was able to borrow some money at 8%. It borrowed $2000 more than half the amount of the 8% loan at 10% and the rest at 9%. The total

    asked by Gina
  277. physics

    A machine part rotates at an angular speed of 0.77 rad/s; its speed is then increased to 1.76 rad/s using an angular acceleration of 0.29 rad/s 2 . Find the angle through which the part rotates before reaching this final speed. Answer in units of rad

    asked by Anonymous
  278. Math

    Reducing fractions how can I figure out the reduced fraction for 20/10?

    asked by Alexis
  279. Pre-Algebra

    One hundred nautical miles equals about 185 kilometers. To the nearest kilometer, how far in kilometers is 290 nautical miles?

    asked by Anonymous
  280. I REALLY NEED HELP IN SCIENCE Plz !!!

    If you double the concentrate of yeast in the dough how do you think your results might change ??? Please I really do need help in this thanks

    asked by Crystal
  281. Physics

    the net external force of the propeller of a 4.0 kg model airplane is 9.5 N forward. What is the acceleration of the airplane? Answer in units of m/s^2

    asked by Tori
  282. chemistry

    Wat is the volume of a 200g object that has the. Density of 1.27L?

    asked by maria
  283. Pre-Algebra

    Carpet Masters charges $9.50 per square yard to clean a carpet. If you have two rooms with an area of six square yards each, how much will it cost to have the carpets cleaned?

    asked by Anonymous
  284. algebra

    what is the horizontal change between (-2,5) and (4,10)

    asked by deshaun
  285. Chemistry

    what is the magnitude and sign of the molar heat of vaporization of butane

    asked by Kendra
  286. chemistry

    Wat is the volume of a 200g object that has the. Density of 1.27L?

    asked by maria
  287. English

    Find the plural that has been formed incorrectly. Then write it in its correct plural form. Dad was hoping to catch several bass and trouts for our suppers. I'm not sure if it's "trouts" or "suppers".

    asked by Emma
  288. child development

    -----------are considered critical at certain times during early growth and development and have growth-inducing influence on the brain's structure. A) Growth spurts B)Norms C)Essential experiences D)Nonessential experiences

    asked by seema
  289. English 3 :/

    I need serious help writing a thesis statement and body paragraphs and a conclusion paragraph with 2 quotes and a connotation of the quote for each quote for The Scarlet Letter. Please help!

    asked by Cheyenne
  290. math

    Joshua has 3 yards of ribbon. He needs 1/4 yard to make 1 bow. How many bows can he make?

    asked by Kye
  291. chemistry

    what is the molarity of the solution obtained by mixing 25.0 ml of a 3.00 M methyl alcohol solution with 225.0 ml of a 0.100 M methyl alcohol solution?

    asked by mitch
  292. Chemistry

    are molar heat of vaporization and heat of vaporization the same thing?

    asked by Kendra