Questions Asked on
April 30, 2014

  1. physics

    Airplane flies at velocity of 400 mph and the wind is blowing north at 200 mph

    asked by Anonymous
  2. statistics

    construct a 95% confidence interval for the difference betwen the proportions of high-school students an college students who read newspapers regularly.

    asked by debbie
  3. mathematics

    1.FIND the bank discount and proceeds on the following loans i) RM4000 FOR 3 MONTHS at 10 1/2 percent ii) RM4215 FROM 10 june to 5 august of the same year at 10 percent

    asked by MARYSE
  4. Calculus

    if the work required to stretch a spring 1 ft beyond its natural length is 12 ft-b, how much work is needed to stretch 9 inches beyond its natural length?

    asked by Rachel
  5. physics 1

    The drawing shows an intravenous feeding. With the distance shown, nutrient solution (ρ = 1050 kg/m3) can just barely enter the blood in the vein. What is the gauge pressure of the venous blood? Express your answer in millimeters of mercury.

    asked by Anonymous
  6. Chem

    How do i balance Cu(NO3)2 + HNO3

    asked by Anonymous.
  7. Science

    If a rock weighs 100 pounds on Jupiter, what will it weigh on earth?

    asked by Jenny 2
  8. Math

    There are 92 boys. There are 14 fewers girls. How many are the girls are there?

    asked by Hannah
  9. chemistry

    What volume of a 0.500 M solution should be diluted to make 250 mL of a 0.400 M solution?

    asked by Jake
  10. math

    A regular hexagon is drawn inside of a circle so that each of its vertices touches the circle. The diameter of the circle is 4 centimeters and the perimeter of the hexagon is 12 centimeters. How much longer is the circumference of the circle than the

    asked by Chris
  11. business

    Research studies indicate that the referral approach is effective because: A. customers seldom trust a salesperson, but do trust a third party. B. customers may be far more impressed with your good points if they are represented by a third party, rather

    asked by Jacob
  12. Chemistry

    How would you write the net ionic equation for [Co (en) 2Cl2]Cl with AgNO3. Is it AgNO3 ----> Cl^- + 3Ag^+?

    asked by Ellen
  13. Math

    The steepest section of a track has a rise of 2240 meters for a horizontal distance of 6100 meters. what is the grade section of this track?

    asked by Christopher
  14. Math

    Find x so the pitch is 1/3. There is also a number below the x in the figure which is 24 feet. So how do I solve?

    asked by Christopher
  15. accounting II

    i am completely stuck on this! 5. Manufacturing statements and cost behavior Tampa Foundry began operations during the current year, manufacturing various products for industrial use. One such product is light-gauge aluminum, which the company sells for

    asked by eric
  16. College Algebra and Trigonometry

    A weight is attached to an elastic spring that is suspended from a ceiling. If the weight s pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=(5pt+p/3. Find the first two times for which the

    asked by Madlyn Roberts
  17. Help with one limit

    I'm asked to find the limit as n approaches infinity of : [(2^(n) +1]/ [2^(n+1)]. The review we were given has [1+ 2^(-n)] / 2 as the next step, but I'm not quite sure how to make that leap myself. The final answer is 1/2. How do you solve this limit?

    asked by Anonymous
  18. Probability

    Fred is giving away samples of dog food. He makes visits door to door, but he gives a sample away (one can of dog food) only on those visits for which the door is answered and a dog is in residence. On any visit, the probability of the door being answered

    asked by A
  19. Finance

    Jungle, Inc., has a target debt−equity ratio of 0.84. Its WACC is 11.5 percent, and the tax rate is 34 percent. Required: (a) If Jungle's cost of equity is 14.5 percent, its pretax cost of debt is percent. (b) If instead you know the aftertax cost of

    asked by bigpin
  20. Probability

    Suppose that you have two laptops, both of which you begin using at time 0. Each laptop will eventually fail, and we model each one's lifetime as exponentially distributed with the same parameter λ. The lifetimes of the two laptops are independent. One of

    asked by A
  21. Probability

    In parts 1, 3, 4, and 5 below, your answers will be algebraic expressions. Enter 'lambda' for λ and 'mu' for μ. Follow standard notation. Shuttles bound for Boston depart from New York every hour on the hour (e.g., at exactly one o'clock, two o'clock,

    asked by A
  22. Probability

    All ships travel at the same speed through a wide canal. Each ship takes t days to traverse the length of the canal. Eastbound ships (i.e., ships traveling east) arrive as a Poisson process with an arrival rate of λE ships per day. Westbound ships (i.e.,

    asked by A
  23. Economics

    What are the costs and consequences of providing the subsidies and welfare?

    asked by Thobeka
  24. Help!

    How are Boolean search strategies and other search filters useful? A.They organize results alphabetically. B.They narrow the search results. C.They increase the number of search results. D.They find creative sources. Please help me!

    asked by Kalie
  25. math

    A sector of a circle subtending an angle 300 degrees at the centre is used to form a cone with base radius 6cm. Find the (a.)radius of the circle (b.)volume of the cone (c.)area of the minor sector of the circle

    asked by shegster
  26. physics

    A climber stands on a ledge on one side of a valley. He claps his hands and hears an echo from the opposite side of the valley 1.6 s later. How wide is the valley?

    asked by sam
  27. govt college of tech

    please help me to solve this question sec^2A+tan^2A=(1-sin^4A)sec^4A

    asked by shoaib
  28. fizk

    3 - A box of mass 2 Kg lies on a rough horizontal floor with the coefficient of friction between the floor and the box being 0.5 (Figure 3). A light string is attached to the box in order to pull the box across the floor. If the tension in the string is

    asked by Anonymous
  29. math

    Determine the distance to which the 90 kg painter can climb without causing the 4 m ladder to slip at its lower end A as shown in Figure 1. The top of the 15 kg ladder has a smaller roller, and at the ground the coefficient of static friction is 0.25. The

    asked by Anonymous
  30. Economis

    Are there any current subsidy issues that are discussed?

    asked by Anoyolo
  31. math

    what number is 66 2/3% of 81?

    asked by Chip
  32. Maths

    There are 12 balls in a bag, where n of them are white balls. If 2 balls are chosen at random from the bag without replacement, the probability of choosing at least 1 white balls is 19/33. Find n.

    asked by Mily
  33. Physics

    A cue ball collides with two other snooker balls and comes to a complete stop. The angles between the centres at the point of collision are shown below. If the velocity of the incoming cue ball is 5 m/s, determine the velocities of all moving balls after

    asked by help pls
  34. English

    Outlines should always provide information in chronological order. A.) True B.) False******************** Your outline must be followed during drafting; you should never adjust your outline after it is completed. A.) True B.) False*********************

    asked by Cassie
  35. math

    A swimming pool 35 ft. long and 20 ft. wide is filled to an average depth of 5ft. How many gallons of water does the pool contain if a cubic foot holds 7 gallons?

    asked by Rhett cowley
  36. Math

    If a pool holds 22,000 gallons, how long will it take to fill the pool at a rate of 400 gallons per minute, rounded off to the nearest minute?

    asked by Rhett cowley
  37. Math

    A steel reinforcing rod is 12 ft. long and 1" thick in diameter. If a cubic foot of steel weighs 490 lb., how much does the rod weigh (to the nearest pound)?

    asked by Rhett cowley
  38. Math

    A plumber is laying pipe. His assistant digs a trench in roughly the shape of a rectangular solid measuring 150 ft. in length, 9 inches deep along both sides, and 12 inches wide at the top and bottom. How many cubic feet of earth did he remove (to the

    asked by Rhett cowley
  39. Math

    A plumber's assistant's rate of pay is $0.75 per cubic foot of earth moved. He moves 220 cubic feet of earth to dig a trench. He moves the same amount to fill the trench. What is his pay for this job?

    asked by Rhett cowley
  40. Math

    A driveway 18 ft. wide and 36 ft. long is to be paved with concrete 3 in. thick. How many cubic yards of concrete are required?

    asked by Rhett cowley
  41. Math

    The Smiths have a pool that is 20 feet by 35 feet. A 5 foot wide deck completely surrounds the pool. The average depth of the pool = 6 feet. What are the approximate overall dimensions of the pool and deck?

    asked by Rhett cowley
  42. Math

    If a pool deck of 650 square feet is to be laid with concrete 3" thick, what volume of concrete will have to be poured in cubic yards? (Give answer in nearest whole cubic yard.)

    asked by Rhett cowley
  43. Math

    If a mixture of 24 lb. of cement, 48 lb. of sand, and 63 lb. of gravel is needed to make 1 cubic foot of concrete, how many pounds of sand are needed to pour a pool deck of 156 cubic feet?

    asked by Rhett cowley
  44. tax

    I too am having a hard time with the Marion drives 20 miles a day to 2 jobs for 125 days of the year. What is his deductible using the standard mileage rate assuming he incurred ratably throughout the year. I take 125 x 20 x 0.51 and come up with 1275.

    asked by Donna
  45. Geometry/Probablity

    Of all the Sunny Club members in a particular city, 25% prefer swimming on weekends and 75% prefer swimming on weekdays. 10% of the members in the city prefer swimming on weekends and are female. 55% of the members in the city prefer swimming on weekdays

    asked by Kiley
  46. english

    what is the correct spelling with troublesome consonants,sheriff

    asked by joanne
  47. Maths

    The total cost of 18 raincoats is the same as the total cost of 14 umbrellas. How many raincoats can be bought with the same price of 35 umbrellas?

    asked by Qi
  48. statistics

    A fictional study was used to examine the effect of a new antianxiety drug on levels of anxiety. Sixty participants were randomly assigned to one of two groups: 1) new antianxiety pill and 2) placebo pill. One hour after taking the medication or placebo,

    asked by April
  49. math

    The product of twice a number and three is the same as the difference of five times the number and 9/4. Find the number.

    asked by Tarella
  50. Algebra 2

    Solve the equation. Round your answers to four decimal places. Show all of your work! a. 54x = 90

    asked by denise
  51. Social studies

    1. what post war industry became more important in south carolina due to new roads? a. tourism* b. agriculture c. manufacturing d. mining

    asked by what
  52. Algebra 2

    log©ý 6 + log©ý (3x + 1) = 2

    asked by denise
  53. algebra

    an apple pie is cut into 6 slices each slice is solid for 2$ the radius of the pie is 3.5 inches the central angle of the of the remaining pie is 120

    asked by Trashelle
  54. ALG

    Solve. Write the solution set using interval notation. x2 + 16x + 64 > 0 Solve. Write the solution set using interval notation. x − 4/ (x + 1)(x − 1) ≤ 0

    asked by HELP ASAP
  55. language art pllz help

    1. Which of the following would most likely connect with the speaker of "Growing Pains"? (1 point)a teen whose parents are going through a difficult divorce a teen who has let down one of her best friends a teen whose mother is often too busy to spend time

    asked by gabe
  56. Math logarithms

    The graph, y=lg x is rotated 90 degrees anticlockwise around the origin. What is the equation of the new graph? Please provide proof.

    asked by Yu
  57. math

    If 9 apples plus 4 pears cost $2.6 and if 4 pears pluse 9 apples cost $1.90 what does each apple and pear cost

    asked by art
  58. Ict

    Full form LCD

    asked by Hr
  59. Science

    a 5 kg skateboard moves at 7 m/s^2 . What is the force of the skateboard? 35 N

    asked by Anonymous
  60. Chemistry

    what is the specific heat of an unknown substance of 2000 j of energy required to raise the temperature of 4 grams of substances 5 degrees celsius

    asked by Tyran Wilson
  61. math

    1.   Which graph might show the temperature during a 24-hour period?  (1 point) A B C D 2.   Which graph might show the amount of money in a bank account if money is never taken out?  (1 point) A B C D 3.   Which graph might show the amount of

    asked by Danica
  62. physics

    A solid uniform sphere is released from the top of an inclined plane .25 m tall. the sphere rolls down the plane without slipping and there is no energy lost from friction. What is the translational speed of the sphere at the bottom of the incline?

    asked by Anonymous
  63. Physics

    A cylinder with a movable piston has the square meter 24cm2. How far will the piston go down if 5.0 kg weight is laid on the piston and the temperature remains the same? P: 1.0 atm. Help please :)

    asked by Physics: Gas Law?
  64. Physic II

    Heat can be transformed into work with 100% efficiency , but work cannot be transformed into heat with 100% efficiency. False right?

    asked by rujiye
  65. Statistics

    Given: The difference between two dependent means is statistically significant. The reason behind this outcome can be difficult to determine when a. population standard deviations are estimated from samples. b. sample size is large. c. a large value of t

    asked by Kevin
  66. history

    Mark each statement if it describes a characteristic or use of a Gothic cathedral. A. had tall spires, lofty towers, and pointed arches B. was a place of safety as well as a house of worship C. had flying buttresses to support the walls D. architectural

    asked by help plzz
  67. Statistics

    Tukey's HSD test is used a. prior to performing a one-way ANOVA. b. to determine the amount of difference between group means. c. to determine whether the overall difference among groups means is significant. d. to locate "true" differences after a

    asked by Kevin
  68. English

    I'm writing a compare and contrast paper. My question is when I use transitional word showing contrast do I use a comma right after transitional word. Ex. Unlike, Keysha's job, my job is easier.

    asked by /////keysha////
  69. s.s

    mrs sue can you cheak my work please

    asked by daniel
  70. physics

    what property does (-5)+5=0 illustrate

    asked by Diana
  71. science

    A homeowner determined that he used 114 gallons of oil every month to heart his home during the winter. this information would be considered part of his ___________________.

    asked by help plzz
  72. physics

    A stone is thrown in vertical upward direction with velocity of 5 m/s. if the acceleration of the stone during it motion is 10 m/s2 in h downward direction, what will be the height attained by the stone and how much time will it take to reach there?

    asked by Sarsi
  73. beecham

    what is 5 over 9 + 5 over 12 in simplest form

    asked by semaj
  74. ss

    5.What did the South do with the cotton during the war

    asked by josh
  75. Chemistry

    Please help!! I am so lost!! calculate the number of moles in 100g each: PbCl2 K2SO4 HNO3 CH3CH2OH V2O5 Thankyou!!

    asked by Michael
  76. Physic II

    a carnot heat engine operates between reservoirs at 550K and 300K, discarding 1500J of heat in each cycle. A) What is the engine's efficiency? B) How much heat is supplied to the engine by the hot reservoir in each cycle?

    asked by rujiye
  77. Grammar

    If the quotation is punctuated correctly in the following sentences, write C. If it is punctuated incorrectly, write I. 1. When the speaker hears a tapping sound, he says to himself, "Someone must be knocking at the door". A: I 2. For suspense and horror,

    asked by Victoria
  78. science

    the energy stored in atoms is released when electricity is made with ____________ power.

    asked by help plzz
  79. Chemistry

    Please help me write these two balanced equations. Dissolution of rust, Fe2O3, by sulfuric acid. and Ammonium nitrite reacts with oxygen to form ammonium nitrate. Any help would be awesome, thankyou.

    asked by Susan
  80. statistics

    The mean income per person in the United States is 36,500

    asked by Anonymous
  81. math

    what is 4.5 % of $154,330.00

    asked by teresa
  82. math

    3y + 2x = 3

    asked by steve
  83. Algebra 2

    five to the 4xpower = 90

    asked by denise
  84. English - Check these?

    Can someone help me check these? 1. The main purpose of a research paper is ____________. (1 point) to verify information to expand a body of knowledge*** to persuade the reader to commit to a course of action 2. Which of the following is NOT a guideline

    asked by Sandy East Ward
  85. science

    In the ocean, there are areas where there are very few living things. ____________ is the term that describes when this happens to a natural area.

    asked by help plzz
  86. Chemistry

    Which substance has the higher entropy? a.) a sample of pure silicon (to be used in a computer chip)or a piece of silicon containing a trace of another element such as boron or phosphorus b.) O2(g) at 0 degrees C or O2(g) at -50 degrees C c.) I2(s) or

    asked by Sha
  87. math

    what percent is 6,944.85 of 154,330.00

    asked by teresa
  88. Chemistry

    The standard free energy change, delta f G, for the formation of NO (g) from its elements is +86.58 kJ/mol at 25 degrees C. Calculate Kp at this temperature for the equilibrium 1/2 N2(g) + 1/2 O2(g) = NO(g) Comment on the sign of delta G and the magnitude

    asked by Sha
  89. MEDICAL BILLING

    if you were looking for corneal reconstruction in the CPT index, what term gets you to the right code

    asked by ADRIENNE
  90. Chemistry

    The following reaction is reactant-favored at equilibrium at room temperature. COCl2(g) = CO(g) + Cl2(g) Will raising or lowering the temperature make it product-favored?

    asked by Sha
  91. Algebra 2

    log base 3of 6 + log base3 (3x + 1) = 2

    asked by denise
  92. Algebra 2

    4x=log base 5 of 90

    asked by denise
  93. statistics

    here are 12 qualified applicants for 8 trainee positions in a fast-food management program. How many different groups of trainees can be selected?

    asked by kimberley
  94. Math

    (n^2 – 5n + 4) / (n – 4)

    asked by Anonymous
  95. Chemistry

    Balance the redox equation. It occurs in acid solution. Sn(s) + H+(aq) = Sn2+(aq) + H2(g) I understand that first the equation needs to be put into halves. Sn(s) = Sn2+(aq) and H+(aq) = H2(g) Then, Sn(s) = Sn2+(aq) + 2e- and ? From here I am lost. Please

    asked by Sha
  96. Math

    A card is drawn at random from a standard deck of 52 playing cards. What is the probability of drawing a red card or a black face card?

    asked by Jessica
  97. Probabitilty

    For hair color, Brown (B) is a dominant trait and Blond (b) is a recessive trait. If one parent has pure blond hair and one parent has hybrid brown hair, complete the Punnett square and questions that follow. a) What is the probability that their first

    asked by Jessica
  98. Probability

    When two fair six-sided dice are rolled, there are 36 possible outcomes. Find the probability that either doubles are rolled or the sum of the two dice is 8.

    asked by Jessica
  99. Math (check)

    Masaru works as a salesperson and earns an hourly wage plus commission.He works 35 hours per week, at a rate of $11.75 per hour. His commission is about $125.00 per week. his expenses account for about 85% of his income. A. How much money does he put into

    asked by Sim
  100. algebra

    If a 204-mile trip took 8 1/2 gallons of gas, how many miles can be driven with a full tank of 20 gallons Thank you for your help and it is appreciated,

    asked by Mary Ann
  101. Math

    (y^2-y+2)/(y+2)

    asked by Anonymous
  102. Algebra 2

    5TO THE 4XPOWER=90

    asked by denise
  103. algebra

    if 11% of the 210 million adult Americans live in poverty, how many adult American live in poverty? Thank you for your help

    asked by Mary Ann
  104. Math

    How do you find the area of 4 yards 2 feet times 3 yards 2 feet? Thank You

    asked by Josh
  105. statistics

    For hair color, Brown (B) is a dominant trait and Blond (b) is a recessive trait. If one parent has pure blond hair and one parent has hybrid brown hair, complete the Punnett square and questions that follow. a) What is the probability that their first

    asked by Anonymous
  106. statistics

    what is the variance and standard deviation of the following numbers:14,16,26,36,12,16

    asked by Hunter
  107. English

    Dr. Seuss is an authorwhovis famous for his original and clever children's book

    asked by Serena
  108. AP Literature

    Identify the figure of speech in this sentence: "Anyone who calls a spade a spade should be compelled to use one." --Oscar Wilde Simile Metaphor Personification Analogy Hyperbole None of these I'm torn between personification and none of these, however I'm

    asked by bex
  109. Math

    Which statement is NOT true for a pair of a intersecting lines? A. They form two pairs of congruent angles. B. They form four pairs of complementary angles. C. They form four pairs of supplementary angles. D. They form two pairs of vertical angles. Thanks

    asked by Mom G
  110. life science,maths lit,geography,tourism

    is it possible 4 me 2bcum a social worker?

    asked by bridget
  111. math

    sin(πx+1)dx

    asked by what
  112. Questions

    i have some questions about cuba that i was wondering about. does econmic growth in cuba need assistence?? does health in cuba need assistence? does forigen relations in cuba need assistence? does personal freedoms in cuba need assistence?

    asked by matt
  113. math

    a plane leaves Vancouver headed for Toronto of a speed of 700 km/hr. Half an hour later a planes leaves toronto headed to vancouver travelling at a spped of 750 km/hr. the distance between vancouver and toronto is 3420 kn. How long after the plane leaves

    asked by rose
  114. Math

    Thank You Ms Sue but I don't know how you got 4.33 x 3.33? Josh

    asked by Josh
  115. Computer Programming I

    Following is my Project 2. In Project 1, I wrote a program to draw square, rectangle and triangle and this is its second part. I could not figure it out how to do it. Any guidelines and suggestions would be highly appreciated. Project 2: Our customer was

    asked by Ak
  116. Questions

    can someone tell me four recommendations that you can think of to help UNDP build a stronger Cuba. can you also explain each rocommendation you say so i can understand?

    asked by matt
  117. math 2

    judith has a necklace with a mass of 65.736 grams. what is the mass of her necklace rounded to the nearest tenth?

    asked by jenny
  118. Physic

    A 220 g cart moves on an air track (a one-dimensional system in which motion is friction free) at 1.3 m/s. It collides with and sticks to another cart of mass 550 g, which was moving in the opposite direction at 0.80 m/s before the collision. What is the

    asked by Anonymous
  119. Algebra 1/2

    The spinner is spun twice. What is the probability it will stop on either 3 or 5 the first time and will stop on 2 the second time?

    asked by Maria
  120. Physic

    Child 1 is 2.0 m from the axis of rotation, and child 2 is 1.5 m from the axis. The merry-go-round completes one revolution every 4.8 s. Find the angular speed of each child. (Answer: For both child is 0.278rev/s) Please show all work on how to get the

    asked by Anonymous
  121. math

    Ben works 6 hours each day at his job at a local fast food restaurant. He went home sick after working 2 hours. what is the fraction of the 6 hour shift did he Not work?

    asked by Anonymous
  122. CHEMISTRY HELP !!!!

    Pb I Pb^2+ (1M) II Cu^2+ (1M) I Cu Temp.= room temp E cell (measured) = delta (calculated) =??? Keq (calculated) =???? Please show steps so I can do the rest. show calculations for delta G and Keq for an exemplary pair. For Pb I Pb^2+ II Sn^2+ I Sn Thank

    asked by Anonymous
  123. CHEMISTRY HELP !!!!

    Cell Designation : E (measured) = Sn I Sn^2+ II Cu^2+ I Cu Temp= 3 Celsius Temp= 276.15 Kelvin Delta G= ????? Show work please!!!!

    asked by Anonymous
  124. Constituion

    Why did Federalists believe that a federal bill of rights was unnecessary? After the ratification of the Constituion anyways, lol. Thanks

    asked by imissbobby♥
  125. Chemistry

    Calculate the change in pH when 5.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq). (I have several problems like this can some one work this through for me as a base line)?

    asked by Janavi
  126. Probability

    For hair color, Brown (B) is a dominant trait and Blond (b) is a recessive trait. If one parent has pure blond hair and one parent has hybrid brown hair, complete the Punnett square and questions that follow. a) What is the probability that their first

    asked by Dawn
  127. science

    Glucose is a simple sugar made up of carbon, hydrogen, and oxygen. What kind of molecule is glucose? A. Glucose is protein. B. Glucose is a nucleic acid. C. Glucose is an organic molecule. D. Glucose is an inorganic molecule

    asked by help plzz
  128. math

    Which equation shows the identity property of multiplication? a) 6 x 0 = 6 b) 6 x 4 = 4 x 6 c) (6x2)x4 = 6(2x4) d) 6 x 1 = 6

    asked by Anonymous
  129. math

    how to estimate 2 13/16

    asked by diamond
  130. Math

    For questions 1-2 , simplify each expression. 1.9! a.45 b.362,880 c.265,456 d.125,936 2.25P3 a.12,755 b.14,290 c.13,800 d.18,250

    asked by Shelin
  131. Pre-Algebra

    Write an expression for the model. Find the sum. A. 2 + 3; 5 B. 2 + (–3); 1 C. 2 + (–3); –1 D. –3 + 2; 5

    asked by Storm
  132. elective mathematics

    A ba contains 5 red and 4 white identical balls abd a second bag contains 3 red and white identical balls If one ball ios selected at random from each of the bags, Find the probability that, two balls selected will be of I)different colour Ii)same colour

    asked by jerry johnson
  133. Computer

    A router receives an IPv4 packet. The source ip address is 10.55.72.234. the destination host is 10.4.6.7. the TTL value is 1. The protocol field value 6. What will the router do with this packet?

    asked by mike
  134. Math

    (y^2-y+2)/(y+2)

    asked by Anonymous
  135. consumer math

    previous balance 486.97 monthly rate 1.25% finance charge for month

    asked by nesha
  136. Questions

    Can someone give me some reasons or a paragrah of why cuban and the U.S. goverments should encourage american tourism in cuba.

    asked by matt
  137. Constituion: Check? Thanks

    After 1788, states had no control over a.local government and education. b.the chartering of corporations. c.the development and administration of civil and criminal law. d.issuing legal currency. c? In Congress’s first session after the ratification of

    asked by foreveryoung_9914
  138. social studies 9

    What decade did W.E.B. Du Bois write a passage about Charleston South Carolina

    asked by steve
  139. Math

    You roll two cubes numbered 1-6. What is the probability that you roll two even numbers.

    asked by Lawyer
  140. algebra 1

    jan goes 6 kilometers east from home. mell goes 8kilometers north. how many kilometers are there schools apart. use Pythagorean theorem

    asked by lal
  141. Physics

    You have a crane boom with a mass of 10000kg being held up by a cable and holding a weight of 2500kg. 1. Find the torque caused by the weight 2. Find the torque caused by the cable 3. Find the torque caused by any other force holding it in equilibrium

    asked by Michelle
  142. algebra 1

    a glider flies 8 miles south then 15 miles east then flies in a straight line back to the airport. what was the distance of the gliders last leg back to the air port

    asked by lal
  143. Calculus Help Please Urgent!!!

    Prove that the integral on the interval [a,b] of x is equal (b^2-a^2)/2 integral a to be (x)dx = (b^2-a^2)/2 using the definition of a Definite Integral. This is the limit of a sum approach. show steps please!!! Thank you!!!

    asked by Anonymous
  144. Ms. Sue

    I just wanted to thanks to Ms.Sue for all of her help on behalf of everyone needing help on Jiskha Homework help. You have helped everyone find the correct answer and you are very knowledgeable with everything!!! Thanks Again -Lawyer

    asked by Lawyer
  145. history

    On Columbus's second voyage, he used force to subjugate the large island of _______ and _______ the indigenous population.

    asked by Victoria
  146. Math

    Another probability question. If you count 50 four door cars and 30 two door cars what is the probability of the next car to be a two door

    asked by Lawyer
  147. Literacy

    if mrs green read "Little Pig little pig and the children said Let me come in then they were using

    asked by Irene
  148. Statistics

    Carol has data on the causes of violent outbursts among kindergarten children. She used a "shot-gun" approach to hypothesis testing by asking the computer to produce p-values for 300 quickly chosen hypothesis tests. She shared her glee with fellow

    asked by Kevin
  149. Statistics

    It is said that healthy and happy workers are efficient and productive. A company that manufactures exercising machines wanted to know the percentage of large companies that provided on-site health club facilities. A sample of 240 companies showed that 96

    asked by Alo
  150. chemistry

    if 7 moles O2 are used, houch energy is produced?

    asked by bob
  151. Statistics

    A 95% confidence level for the difference between u1 and u2 runs from -2 to +6. From this we can infer that a. u1 is probably greater than u2. b. u1 is probably less than u2. c. there may be no difference at all between u1 and u2. d. the difference between

    asked by Kevin
  152. Calculus

    Find the point on the line -4x+7y+3=0 which is closest to the point(-5,-5)

    asked by JAY Z
  153. Calculus

    A fence is to be built to enclose a rectangular area of 310 square feet. The fence along three sides is to be made of material that costs 4 dollars per foot, and the material for the fourth side costs 12 dollars per foot. Find the dimensions of the

    asked by JAY Z
  154. Chemistry

    Calculate the pH of the resulting solution if 25.0 mL of 0.250 M HCl(aq) is added to (a) 35.0 mL of 0.250 M NaOH(aq). (b) 15.0 mL of 0.350 M NaOH(aq).

    asked by Janavi
  155. Math Help - 2 Questions

    1. The Pythagorean Theorem can be used to find distances between two points on a grid. But what about finding distances in three-dimensional space? Consider a rectangular box, which has length l, width w, and height h. What is the distance from one corner

    asked by Josh
  156. Statistics 220

    suppose 59 cars start at a car race, how many ways can the top car finish the race?

    asked by linda
  157. Math

    This is the last question. Miles sells the surfboards in the colors shown below and its quantity below. Red-38,White-36,Blue-58,Striped-68. Now Miles orders 500 surfboards so how many white surfboards should he order.Explain.

    asked by Lawyer
  158. Algebra

    Using the ac method factor the trimonials. 15x^2 + 31x+2=

    asked by Michele
  159. algebra

    Statistical information for a data set is given. • The mean is 18.1 • The z-score for 13.0 is -1.7 What is the standard deviation for this data set? f 3.4 g 1.7 h 5.1 j 3.0

    asked by LALALA
  160. biology

    what are three ways that DNA mutation can alter genetic material?

    asked by maya
  161. computer

    You suspect that the failure of a router or of a transmission line connecting routers has left some of your important servers unavailable to clients at your site. How could you narrow down the location of the problem using what you learned in this chapter?

    asked by mike
  162. Physics waves

    1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? a) 0.05 mm b) 5.0 mm c) 15.mm d) 20.mm e) 180 mm my answer: I got 10 mm but it is not listed as an option 2. When a tuning fork of unknown frequency

    asked by Liz
  163. Ethics/Criminal Justice courst

    According to Kohlberg, which of the following can provide worthwhile ocasions for moral development by inviting us to reflect on the views of others? A. Role-taking opportunities B. Reading books about ethics C. Love and respect within the family D. Social

    asked by Pat
  164. Algebra

    Factoring 9w-w^3

    asked by Tracy
  165. Physics

    An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 8.26 m/s2. Determine the orbital period of the satellite. ____min Ive tried everything I can think of the value im getting through the

    asked by Joe
  166. Calculus

    A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window with a perimeter of 33 feet?

    asked by JAY Z
  167. LEA 201

    Conduct an analysis of community policing with regard to the impacts pertaining to law enforcement administration. Thoroughly compare and contrast the aspects of community policing that are significantly influenced by the public interaction and political

    asked by Scott
  168. Trigonometric Functions

    The average depth of the water in a port on a tidal river is 4m. At low tide, the depth of the water is 2m. One cycle is completed approximately every 12h. a)Find an equation of the depth, d(t)metres, with respect to the average depth, as a function of the

    asked by Sam
  169. math (2)

    Find the first partial derivatives of the function. f(x,y,z) = xe^(y/z) a. fx = ? b. fy = ? c. fz = ?

    asked by Mia
  170. Calculus

    Find the point P on the graph of the function y=\sqrt{x} closest to the point (2,0)

    asked by JAY Z
  171. Spanish

    Sra. are my answers correct? Thank you! Part I ¿Subjuntivo, indicativo o infinitivo? Choose the correct verb form to complete each sentence. 1. Tengo miedo de que mi novio _____. A. mienta B. miente C. mentir B. miente 2. ¡Qué lástima que ese hombre no

    asked by Anna
  172. Geometry

    Find the coodrinates of the other endpoint of the segment given (-24,15) is the midpoint and one of the endpoint is (-18,10)

    asked by Angel
  173. math (3)

    Evaluate the first partial derivatives of the function at the given point.(0,e) f(x,y) = 6e^x ln(y) fx(0,e) = ? fy(0,e) = ?

    asked by Mia
  174. Trigonometric Functions

    Given the equation y=3sin(3x-180)-2 state the domain, range, amplitude, period, and phase shift of the cycle.

    asked by Sam
  175. consumer math

    A person selecting a bank will consider how convenient it is, how safe it is, and how secure their return is true false

    asked by billy
  176. Chemistry - check answers

    1) Which of the following sets is arranged according to increasing base strength? A) F-, OH-, Cl- B) F-, Cl-, OH- C) OH-, F-, Cl- D) OH-, Cl-, F- E) Cl-, F-, OH- (my answer) 2) What is the pH of a solution formed by adding 4.3 x 10^-5 moles of KOH in 1 L

    asked by Amanda
  177. Math Help 2 Questions Urgent!

    1. The Pythagorean Theorem can be used to find distances between two points on a grid. But what about finding distances in three-dimensional space? Consider a rectangular box, which has length l, width w, and height h. What is the distance from one corner

    asked by Josh
  178. Pre algebra

    A bag of balloons contain 2 red balloons, 1 green balloon, 17 yellow balloons, and 8 orange balloons. What is the probability that a randomly selected balloon would be green or orange? I got 9/28, but I think that's wrong

    asked by Allie
  179. math (5)

    The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below.

    asked by Mia
  180. HELP!!

    Find the coodrinates of the other endpoint of the segment given (-24,15) is the midpoint and one of the endpoint is (-18,10)

    asked by Anonymous
  181. Math (6)

    The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ?

    asked by Mia
  182. Math

    there are 1 4ths of a pear in every container of a fruit salad. how many whole pear in 8 container of fruit salad ?

    asked by Uyenly
  183. Math

    Find the coordinates of the other endpoint of the segment, givern its midpoint (3,-5) and one endpoint (-5,4)

    asked by Alexx
  184. Trig functions

    The average depth of the water in a port on a tidal river is 4m. At low tide, the depth of the water is 2m. One cycle is completed approximately every 12h. a)Find an equation of the depth, d(t)metres, with respect to the average depth, as a function of the

    asked by REALLY URGENT
  185. math (7)

    Find the second-order partial derivatives of the function. f(x,y) = x^5 + x^2y + x + 5 a. fxx = ? b. fyy = ? c. fxy = ? d. fyx = ?

    asked by Mia
  186. math (8)

    Find the second-order partial derivatives of the function. f(x,y) = x^5 + x^2y^2 + y^4 + x + y a. fxx = ? b. fyy = ? c. fxy = ? d. fyx = ?

    asked by Mia
  187. algebra

    A rectangular garden is fenced on thee sides with a wall forming the fourth side. The total length of the fence is 70m. The area of the garden is 600m^2. Find the dimensions of the garden.

    asked by Tony
  188. Algebra

    Using the ac method factor the trimonials. 15x^2 + 31x+2=

    asked by Michele
  189. Science(chemistry)

    how much energy is needed to change 53 grams of water from -53 degrees celsius to 160 degrees celsius ?

    asked by Mohamed
  190. statistics

    A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics Diet, which

    asked by April
  191. statistics

    Chicken Delight claims that 86 percent of its orders are delivered within 10 minutes of the time the order is placed. A sample of 70 orders revealed that 57 were delivered within the promised time. At the .02 significance level, can we conclude that less

    asked by wil
  192. Math (Functions)

    What are some equivalent expressions of tan170?

    asked by Lulu
  193. Math

    Charlie wants to buy a $500 TV in 9 months. How much should he invest now at 8% simple interest to have the money in 9 months?

    asked by Brianna
  194. Math

    Cathy makes a deposit of 4500 dollars into an account that pays 5.8 percent simple interest. How much is in the account 8 years later?

    asked by Brianna
  195. Math

    What are the proceeds for a discounted loan for $300 repaid in 8 months at 17%?

    asked by Brianna
  196. Chemistry

    If 82.4 g of cold water (initially at 22 °C) is mixed in an insulated container with 96 g of hot water (initially at 88 °C), what will be the final temperature of the water in °C?

    asked by Rachel
  197. Chemistry

    A small pebble is heated and placed in a foam cup calorimeter containing water at 25 °C. The water reaches a maximum temperature of 27 °C. If the pebble released 532.1 J of heat to the water, what mass (in g) of water was in the calorimeter?

    asked by Rachel
  198. English

    The astronauts who were selected for this mission had to be in superb physical condition. Is sentence a essential or nonessential?

    asked by Janice
  199. Algebra 2

    Can someone please explain how to do this problem? A 450 foot tall building is near a shorter building. A person on top of the shorter building finds the angle of elevation of the roof of the taller building to be 25 degrees and the angle of depression of

    asked by Jane
  200. Math 222

    find the domain of each rational expression in set notation. x^2-36 divided by 3x 7w-2 divided by 16w^2-1 Then do both rational expressions have excluded values in their domains? If yes, explain why they are to be excluded from the domains. If no, explain

    asked by Barbara
  201. Biology help

    what is the name of the process that happens in the matrix of the mitochondrion? What is the name of the process that happens last in cellular respiration and takes place on the inner membrane?

    asked by Anonymous
  202. Math 4 grade

    How much is one cola? Use the clues to find out. -The cost is between 20€ and 30€ -You can buy one cola with exactly 6 coins. -You can buy two colas with exactly 6 coins. -You can buy three colas with exactly 6 coins. -You can use pennies, nickels,

    asked by Kim
  203. BIOLOGY

    when chlorophyll runs out of electrons where does it find new ones? The light dependent reactions use energy from sunlight to produce what 3 things?

    asked by Anonymous
  204. Spanish 1

    How do you respond to these spanish questions? ¿Como se llaman tus padres? ¿De donde son? ¿Donde trabajan? ¿Cuantos hermanos tienes?¿Como se llaman?Donde estudian o trabajan? Cuantos primos tienes?Cuales son los apellidos de ellos?¿Cuantos son ninos

    asked by Sarah
  205. Grammar

    Rewrite the following sentence, correctly using like, as, or as if. 1. Odysseus and his mean would experience great anguish, ____ Tiresias warned. A: Like or as?

    asked by Victoria
  206. Physic

    You hold a uniform, 26.0-g pen horizontal with your thumb pushing down on one end and your index finger pushing upward 3.2 cm from your thumb. The pen is 13.9 cm long. Find the two forces. Force of Finger (Answer: 0.553N) Force of Thumb (Answer: 0.299N)

    asked by Anonymous
  207. Math

    The Puzzle: Here is a famous prize problem that Sam Loyd issued in 1882, offering $1000 as a prize for the best answer showing how to arrange the seven figures and the eight 'dots' .4.5.6.7.8.9.0. which would add up to 82

    asked by Jaden
  208. Physics- HELP PLEASE:)

    4.) Three 20-Ù resistors are connected in series to a 9-V battery. What is the voltage difference across each resistor? 5.) Three resistors of 5 Ù, 10 Ù, and 2 Ù are connected in parallel with one another. What is the equivalent resistance of this

    asked by Amanda
  209. economics (4)

    Assume that the following data describe the condition of the banking system: Total reserves $200 billion Transactions deposits $800 billion Cash held by public $400 billion Reserve requirement 0.20 By how much could the banks increase their lending

    asked by Mia
  210. Algebra

    $5400 is invested, part of it at 10%, and part of it at6%. For a certain year, the total yield is $444.00. How much was invested at each rate?

    asked by Pam
  211. Medical billing and coding

    research project APA style, regarding:P POA indicator questions. I want to know if I need to post the questions, and then answer them, or do I just use the format for numbers and than answer. I have never done APA style, and this is really puzzling me.

    asked by Teresa
  212. Algebra

    A scientist wants to research the potential spread of germs by contact. She knows that the number of possible handshakes within a group of n people is given by the equation N=1/2(n^2-n). Everyone at a party shook hands. There were 253 handshakes in all.

    asked by Pam
  213. Physics

    Find the equivalent resistance in 16 ohms and 8.0 ohms connected in parallel.

    asked by Han
  214. math

    peg has $30 to spend at the book store. Her coupon is 15% off but she pays 5% tax. what is the most expensive book she can buy?

    asked by jil
  215. math

    -2d + 18 - 4d = 60

    asked by Anonymous
  216. Algebra

    F = Av^2/400, for v (Force of wind on a sail)

    asked by Boo
  217. accounting

    Meranda Corporation purchases a machine for $125,000. It has an estimated salvage value of $10,000 an is expected to produce 50,000 units in its lifetime. During the first year of operation, it produced 14,500 units. To the nearest dollar, the depreciation

    asked by kathy
  218. economics (7)

    Assume that a $1,000 bond issued in 2012 pays $100 in interest each year. What is the current yield on the bond if it can be purchased for Instructions: Enter your responses as a percent rounded to one decimal place. (a) $1,200? Yield on $1,200 bond is =

    asked by Mia
  219. Physic II

    The decay constant of a radioactive nuclide is 9.5x10^-3 s^-1 . At given instant, the activity of a specimen of the nuclide is 80 mCi. The time interval required for the activity to decline to 40 mCi is closest to: ?

    asked by huline3
  220. Math

    HELP A Certain state's lottery LOTTO, is set up so that each player pays $1 per ticket and chooses six different numbers from 1 to 49. if the six numbers chosen match the six numbers drawn each Saturday evening, the player wins the top cash prize. the

    asked by Grace
  221. chemistry

    1.50 mol sample of helium at a certain pressure and temperature has a volume of 31.4 L. a second sample of helium at the same temperature and pressure has a volume of 42.4 L. Therefore the second sample contains how many moles of helium?

    asked by Anonymous
  222. Calculus

    A fence 8 feet tall runs parallel to a tall building at a distance of 6 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?

    asked by JAY Z
  223. math

    A bag contains three red marbles, three green ones, one lavender one, five yellows, and two orange marbles. How many sets of five marbles include either the lavender one or exactly one yellow one but not both colors?

    asked by joana
  224. math

    The rectangular coordinates of the point P are (-1,sqrt 3). If P is reflected witg respect to the x-axis, then the polar coordinates of its image are¡­??

    asked by Mily
  225. College Algebra and Trigonometry

    A weight is attached to an elastic spring that is suspended from a ceiling. If the weight s pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=(5pt+p/3. Find the first two times for which the

    asked by Madlyn Roberts
  226. Grammar Practice - Help!

    Can someone check these? Choose the item that is correctly capitalized for questions 1–6. 1. (1 point) our family doctor** our family Doctor 2. (1 point) Senator Barrientos** senator Barrientos 3. (1 point) aunt Ruthie Aunt Ruthie** 4. (1 point) the

    asked by Sandy East Ward
  227. math

    Can you solve this problem for me? Nina has twice as many nickels as dimess. In all, she has 70¢. How many nickels and dimes does she have?

    asked by angelab
  228. U.S History

    Can you help me with this question please. Why were American Blacks conflicted over the revolutionary war?

    asked by ezekiel