Questions Asked on
February 2, 2010

  1. algebra

    (3x^2y^4)(4xy^2) in simplist form please help

    asked by sean
  2. 3rd grade

    Samantha says 1+1+1=3 cannot be written as a multiplication sentence because there are no equal groups. Do you agree? Explain

    asked by Kainalu Mauga
  3. math anaylsis

    does this have no solutions? 5sin3x=-2??

    asked by anonymous
  4. 3rd Grade Math

    Marlon has 4 baseball cards, Jake has 4 baseball cards, and Sam has 3 baseball cards. Can you write a multiplication sentence to find how many baseball cards they have altogether? Explain.

    asked by Kainalu Mauga
  5. Precalculus

    State the domain of f(x) = x / x^2+4x+1

    asked by jh
  6. History

    How did the economical compostion during coperate greed in the 1980s and how it affected the political climate during this time. Is this asking for me to put in how Reagan gave to the rich and not the poor?

    asked by nina
  7. Chemistry

    Does anyone know how to do this problem, i can't seem to solve it. If 39.25 g of a substance is dissolved in 155.5 g of benzene solvent, the freezing point of the solution is 0.08 oC. Calculate the apparent molar mass (g/mol) of substance.

    asked by SuSu
  8. algebra

    Carlos Martin received a statement from his bank showing a balance of $56.75 as of March 15th. His checkbook shows a balance of $87.37 as of March 20. The bank returned all the cancelled checks but two. One check was for $5.00 and the other was for $13.25.

    asked by Pat
  9. Algebra 2

    write a equation for each parabola. vertex(0,1),focus(0,5)

    asked by Anonymous
  10. chemistry

    If 1030 g of a potassium citrate is dissolved in 2320 g of water solvent, calculate the freezing temperature (if below 0 oC, include the sign) of the solution. Consider if the solute is an electrolyte. Kf (oC/m) 1.858

    asked by SuSu
  11. Chemistry

    What volume ( L ) of the solute HCO2H should be combined with 5480 mL of the solvent H2O to make a solution that is 0.443 m HCO2H.

    asked by Anon
  12. math

    how do i write 53 hundredths as a decimal.

    asked by zac
  13. science

    what is the biggest animal alive today

    asked by aaron
  14. PHYSICS!!!

    Hooke's law describes a certain light spring of unstressed length 36.0 cm. When one end is attached to the top of a door frame and a 6.40 kg object is hung from the other end, the length of the spring is 44.00 cm. (a) Find its spring constant I found the

    asked by Anonymous
  15. math

    write this equation in standard form. y=1/2x2+12x-8 y equals one half x squared plus 12x minus 8

    asked by matt
  16. Calculus/physics

    Calculate the work (in joules) required to pump all of the water out of the tank. Assume that the tank is full, distances are measured in meters, and the density of water is 1,000 kg/m^3. Water exits from a small hole at the top of the rectangular box. The

    asked by Jake
  17. College Physics

    A rock is dropped from a sea cliff and the sound of it striking the ocean is heard 6.4 s later. If the speed of sound is 340 m/s, how high is the cliff?

    asked by Marcus
  18. plz give me da question

    Suppose you have to establish a new company. Suggest in which item or items company should deal. How much sale of the item is required in order to reach at break even point depending on the suggested price of item, production capacity, fixed and variable

    asked by amna
  19. chem

    how many milliter of .246 M HNO3 should be added to 213 ml of 0.00666 M 2,2'-bipyridine to give a pH of 4.19? please help, does this problem need to be solved with ka or kb?. Is 2,2'- bipyridine a base, this is the problem from my text book, but it is not

    asked by bun
  20. chemistry

    why does the enthalpy of formation for the ethanol dimer have more energy than two isolated ethanol molecules? is it because there is a bond between the hydrogen of ethanol dimer

    asked by blasting
  21. Geography

    How old is the grand union canal?

    asked by Chloe
  22. Help (URGENT)

    If this is a graph from 1996, someone listed in the 30-34 age group would be in which age group in 2016? (hint: each age group goes up by five years) GRAPH: 30-34 35-39 40-44 45-49 50-54 55-59 60-64 65-69 70-74 75-79 80-84 85+ Can someone pleaseh help me?

    asked by John
  23. math

    i posted this can you explain to me how to do this question i know i have to use differential equations but im not sure how to form an equation for inversely proportional question states grain is being poured at a steady rate to form a pile with height h,

    asked by lucy
  24. Physics

    An airplane lands and starts down the runway at a southwest velocity of 41 m/s. What constant acceleration allows it to come to a stop in 1.3 km?

    asked by Max
  25. Physics

    A brick is thrown vertically upward with an initial speed of 4.40 m/s from the roof of a building. If the building is 74.0 m tall, how much time passes before the brick lands on the ground?

    asked by Alysse
  26. Physics

    How long does it take for a golf ball to fall from rest for a distance of 11.2 m? How far would the ball fall in twice that time?

    asked by Alec
  27. Calculus

    R is the region in the plane bounded below by the curve y=x^2 and above by the line y=1. (a) Set up and evaluate an integral that gives the area of R. (b) A solid has base R and the cross-sections of the solid perpendicular to the y-axis are squares. Find

    asked by Drake
  28. music

    y is selamat pengantin baru commonly used in malay weddings? i searched in the net but the sites did not relate to the questions about my homework...help plz...due tomorrow

    asked by Anonimos
  29. Physics

    A brick is thrown vertically upward with an initial speed of 4.40 m/s from the roof of a building. If the building is 74.0 m tall, how much time passes before the brick lands on the ground? I don't get how to solve it still

    asked by Alysse
  30. sew

    What would life be like without Textiles

    asked by Hayden
  31. algebra

    y^2-2y+1=36 give exact and approximate solutions to three deceminal places

    asked by akaray
  32. algebra

    x^2-22x=10 solve by completing the square

    asked by akaray
  33. algebra

    x^2+14x+4=0 solve for x

    asked by akaray
  34. algebra

    r^2+3r=5 solve for r

    asked by akaray
  35. Enginnering University

    why we use the circular sewage lids instead of anothe shape?give me some mathematical explanation.

    asked by Muhammad Talha Saghir
  36. math

    a road crew has 3/4 ton of stone to divide evenly among four sidewalks. How much stone does the crew use for each sidewalk?

    asked by jt
  37. math please help

    i posted this can you explain to me how to do this question i know i have to use differential equations but im not sure how to form an equation for inversely proportional question states grain is being poured at a steady rate to form a pile with height h,

    asked by lucy
  38. riddle

    could anyone please solve this riddle : I am what you cannot be but you once were what i will become i am what only blind can see and of infinity and 1 i am the sum i am the cure and i am the cancer?

    asked by Martin
  39. business

    How and why would a manager would want to choose and recommend business alternatives using financial statement analysis?

    asked by TL
  40. 12th grade

    I have to write a evaluation on president Obamas speech on 1/27/10. THis speech is for Public speaking class. THis is what i have done. I will critically evaluate every aspect of the speech that the President made especially his Delivery, Audience,

    asked by Emma
  41. English

    Can you check the following paragraphs for me? Thanks a lot 1) I spent the first days of my Christmas holidays doing homework and studying 2) During the first weekend of my holidays I went to the seaside with my parents. The weather was nine and we enjoyed

    asked by Franco
  42. cumputers

    Why would I use a gateway over a router?

    asked by Pepy
  43. math

    How many people do you need in a room in order to guarantee that there is a pair of people who were born in the same month? Choose one of the following answers: 12 13 365 366

    asked by M.A.
  44. 10th grade

    I have to right an iambic pentameter poem on a pilgrim such as a plumber or a goat farmer. I've been working on it for days but just came to the assumption that I CAN'T RIGHT POEMS. I've tried using quotes from Dantes inferno and rewording them but it

    asked by Giuseppe
  45. math

    Why exactally does the absolute value of -3+4i = 5. I know (-3) squared plus (4i) squared = 5? Could you include a graphic approach as well? Thank you.

    asked by Kevin
  46. math

    Bryna contributes 7% of her salary to a payroll savings plan. if her annual salary is $17,500, how much is withheld each month for savings?

    asked by puppy101
  47. health admn

    Health care is evolving and facing increasing challenges related to reimbursement, staff shortages, patient safety, increasing costs, and increasing regulatory requirements. As a health care leader, which leadership skills do you find most valuable when

    asked by cortez
  48. writing

    Answer the following questions in a 100- to 200-word response. Address each bullet point in your answer. o In the future, how will thinking critically influence the ways that you · Read? · Write? · Process information? · Answer the following questions

    asked by Anonymous
  49. consumer math

    Paula budgets 23% of her annual income for housing. If she budgets $410 per month for housing, what is her annual income?

    asked by 10th grade
  50. chemistry

    How much ethylene glycol (C2H6O2, the major component of antifreeze) must be added to 1 L of water to keep it from freezing at -16 oC?Kf = 1.86 oC/m.

    asked by Shanee
  51. Math

    If this is a graph from 1996, someone listed in the 30-34 age group would be in which age group in 2016? (hint: each age group goes up by five years) GRAPH: 30-34 35-39 40-44 45-49 50-54 55-59 60-64 65-69 70-74 75-79 80-84 85+ Can someone pleaseh help me?

    asked by John
  52. Math

    You can buy an energy-saving light bulb for $18.07, which can work for 10,000 hours. It costs you 0.8 cents to operate it for an hour. ($1=100 cents). A regular light bulb with the same intensity costs 39 cents. The light bulb can work for 1000 hours. It

    asked by Jen
  53. COMPUTERS

    10 LINES ON THE VARIOUS USES FOR COMPUTERS

    asked by MUWAHIDA
  54. geography

    can you give me examples of countries in stage 2(early expanding) and 3(late expanding) in the demographic transition cycle ???? thank you rachel

    asked by rachel
  55. Astrophysics

    (a) From the absorption lines, we were able to determine that the star (phi)-Fictus has spectral classification F7V and color index B-V=0/48. What is the mass M(phi) of the star in solar masses? (b) Spectroscopic parallax, when corrected for reddening,

    asked by O_o Rion
  56. Physics

    Friction provides the force needed for a car to travel around a flat, circular race track. What is the maximum speed at which a car can safely travel if the radius of the track is 77.0 m and the coefficient of friction is 0.36?

    asked by Sasha
  57. probability

    A total of n balls are to be put into k boxes with conditions that there will be n1 balls in box 1 ,n2 balls in box2 and so on. With nkballs being placed in box k(n1+…..+nk = n)Explain why the number of ways of doing this is n!/n1!*….*nk!. Explain why

    asked by aroah
  58. Math

    You have a 7-liter, and an 11-liter container with no markings on them. Both are empty. You may fill up any of them from the water faucet any number of times, you may empty any of them any time, and you may pour water from one container to the other any

    asked by Sam
  59. Physics II

    A block begins to slide down a ramp after being elevated to an angle of 55 degrees. What is the coefficient of static friction?

    asked by Brad
  60. algebra

    true or false? A Aquarium which is 4ft x 5ft x 3ft high can hold 800 gallons of water. (assume that one cubic foot of space holds 7.5 gallons of water)

    asked by Daisy
  61. physics

    is it possible to change both the pressure and the volume of an ideal gas without changing the average kinetic energy of the molecules?

    asked by Jammie
  62. phsycology

    How can I find information aboutlawrence kohlbergs educational history and social backround?

    asked by bem
  63. chemistry

    if 200.g of water at 20 degrees celsius absorbs 41840 j of energy, what will its final temperature be?

    asked by arcy
  64. calculus

    consider the area enclosed between the curves f (x) = x2 and g (x) = 4x what is the volume obtained by revolving the area between these two curves around the line y = 20 ? please help, i don't know what to do

    asked by amy
  65. organic chem

    Suppose you need to extract an organic substance S from water into ether, where the distribution constant Kdist = [S]org/[S]aq is at first unknown. a) By testing the solubility of the material in each solvent under saturating conditions at room

    asked by lisa
  66. organic chem

    a. One can use pH differences to separate basic substances from non-basic ones. Which of the following would be suitable for use in the aqueous phase to achieve the separation of phenol from naphthalene: K2HPO4, K3PO4, (CH3)3NHCl, (CH3)3N, NaHCO3, Na2CO3?

    asked by lisa
  67. chemistry

    is it possible to change both the pressure and the volume of an ideal gas without changing the average kinetic energy of the molecules?

    asked by Jammie
  68. business

    why di business systems still need more development

    asked by michelle
  69. Math

    Find an equation of a plane through the point (2, -1, 0) which is parallel to the plane -1x-2y+4z=7.

    asked by Derek Abeyta
  70. physics

    You throw a ball straight up at 25 m/s. How many seconds elapse before it is traveling downward at 13 m/s? 1 s

    asked by jamie
  71. american literature

    explain how Poe develops the creepy tone and builds the suspense in The Tell Tale Heart. REALLY NEED HELP

    asked by Anonymous
  72. physics

    I have these problems that I keep doing and keep missing. If someone could please help me with what I am doing wrong! Two charges, -25 µC and +15 µC, are fixed in place and separated by 3.4 m. (a) At what spot along a line through the charges is the net

    asked by jennifer
  73. Finance

    Dahler Corporation has just issued a bond with a maturity of 20 years, coupon rate of 10.25%, and a market price of $1330.25. Dahler makes semiannual coupon payments. a) what is the YTM expressed as a quoted rate based on semi-annual compounding? And what

    asked by LIT
  74. English

    Can you please tell if the word choice is correct and how I can improve it? In particular, I'd like you to consider the words in parentheses, too 1) I spent the first days of my Christmas holidays doing homework and studying 2) During the first weekend of

    asked by Franco
  75. physics

    There's a problem my professor assigned, but I'm not sure which equation/process I should use to solve it. Please help. Two particles having charges of 0.420nC and 15.1nC are separated by a distance of 1.50m. At what point along the line (in m from the

    asked by Nicole
  76. BCU

    Participants in an exercise program gradually increase the time they exercise. The first week, they exercise 10 minutes per day. Each week after that, they increase their exercise time by 50%, until they are exercising at least 30 minutes or more per day.

    asked by AAdre829
  77. french

    sous mon grande pere

    asked by Anonymous
  78. math

    how do i determine how many people are in a family including mom and dad if 1/2 of family is male children and 1/3 of family is female children? What formula do i use to find my answer?

    asked by Janice
  79. Science

    Should humans strive to preserve a representative sample of all biomes or aquatic zones? Why should humans be concerned with the extinction rate?

    asked by Travion
  80. math

    i just started this semester of math and i don't remember that if your adding mixed fractions are you supposed to chage it into an improper fraction to add it?

    asked by martha
  81. Algebra

    Hi, could someone advise me on how to simplify the following,3m-8-5m+10 and 2(4y-1)+5y(3-2y), thanks

    asked by Sam
  82. math

    how do you convert a fraction into a decimal? and vice versa?

    asked by martha
  83. Biology

    a) What is a major structural advantage that eukaryotic cells have over prokaryotic cells? Why is this so important? My answer: The organelles in eukaryotic cells allow them to perform more complex functions than prokaryotic cells, which don't have these

    asked by mysterychicken
  84. Algebra

    (3 x 8)-2 + (3+6)=17, I need a word problem to match the equation and am stumped, could you please help

    asked by Dakota
  85. math

    why are bacteria bad at math? its a worksheet.

    asked by sage
  86. algerbra

    1 over 6 times 72 plus 2

    asked by rahnny
  87. Honors 7 grade science

    2 ways that bacteria can change. (harmless to harmfull)

    asked by Tyler
  88. PHysics

    A 3.00 kg object has a velocity (5.20 ihat - 2.40 jhat) m/s. (Note: From the definition of the dot product, v2 = vvec·vvec.) (a) What is its kinetic energy at this time? Could some one just please show me how to convert the velocity vector into the

    asked by Veronica
  89. Physics

    A ball is thrown straight downward with a speed of 0.50 m/s from a height of 4.0 meters. What is the speed of the ball 0.70 seconds after it is released? GIVEN: Vi = 0.50 m/s Vf = ? d = 4 m t = 0.70 s

    asked by Priscilla
  90. chem

    a. One can use pH differences to separate basic substances from non-basic ones. Which of the following would be suitable for use in the aqueous phase to achieve the separation of phenol from naphthalene: K2HPO4, K3PO4, (CH3)3NHCl, (CH3)3N, NaHCO3, Na2CO3?

    asked by lisa
  91. chem

    Suppose you need to extract an organic substance S from water into ether, where the distribution constant Kdist = [S]org/[S]aq is at first unknown. a) By testing the solubility of the material in each solvent under saturating conditions at room

    asked by lisa
  92. hsm220

    I am having the worst time with this. Even after reading the material several times I a very lost. Any help would be great. The Department of Education has awarded your agency with grant funding of $1.6 million to provide training programs to high school

    asked by Mike
  93. Physics

    A soccer player kicks a rock with an initial velocity of 0.50 m/s from a height of 4.0 meters. What is the speed of the ball 0.70 second after it is released? Vi = 0.50 m;s h = 4 m t = 0.70 s

    asked by Priscilla
  94. MATHS

    Each Sunday the hymns to be sung are displayed on a hymn-board using numbered cards. The cards have the digits 0 to 9 on them. The hymn book has 750 hymns in it. Three different hymns are sung each service. a) What is the smallest number of cards the

    asked by BRYAN
  95. *Math*

    139 of CanTexh Supply's employees belong to a union; the remaining 248 employees are not union members. What percent of employees are in the union? (((please help, i have test tomorrow the first thing in the morning!!!:S))) i tried it myself but can u

    asked by *Thara*
  96. algebra, help please

    (3 x 8)-2 + (3+6)=17, I need a word problem to match the equation and am stumped, could you please help

    asked by Dakota
  97. eng

    true or false act 1 1 Macbeth has just defended Kingduncan in a war. 2 the title,the thane of Cawdor, was given to Macbeth 3 Banquo notices Macbethsuneasy reaction to the witches' prophecies

    asked by melissa
  98. calculus

    Consider the solid obtained by rotating the region bounded by the given curves about the x-axis. y=6x^5, y=6x, x>or equal to 0 Find the volume V of this solid.

    asked by Albert
  99. calculus

    consider the area enclosed between the curves f(x)=x^2 and g(x)=4x what is the volume obtained by revolving the area between these two curves around the line y=20 ? please help, i don't know what to do

    asked by amy
  100. physics

    a 0.85 kg block of aluminum is heated at atmospheric pressure so that its temperature increases from 22degC to 40degC. find the work done on the aluminum? find the energy added to it by heat? find the change in its internal energy?

    asked by jenn
  101. Physics

    A 6.0 kh block, sliding to the east across a horizontal, frictionless surface with a momentum of 30 kg*m/s^, strikes an obstacle. The obstacle exerts an impluse of 10 N*s to the west on the book. The speed of the block after the collision is...

    asked by Priscilla
  102. *Math*

    The price of the common shares of SouthCo was valued at $39.45 at the end of 2009, increased by 8.06% in 2010, and overall increased by 12.60% over the two year period 2009/2010. What was the original price of each share at the beginning of 2009? ANSWER:

    asked by *Thara*
  103. Physics

    the temperature at the surface of the sun is approximatly at 5700K and the temperature at the surface of the earth is approxiamtly 290 K. what entropy change occurs when 1100 J of energy is transfered by radiation from the sun to the earth?

    asked by jenn
  104. the latin bases

    Which word is a synonym of verbiage? A} terse B} wordiness C} curt D} concise .I choose c. is my answer correct?

    asked by kerry
  105. childcare

    the introduction of semisolid foods to a five-mounth-old-infant may se delay if A the infant has bottle mouth syndrome. B family members have a history of allergies. C the infant consistently prefer a bottle. D the infant is teething. The answer correct is

    asked by abbie
  106. help plz

    Which of the following is an acronym? A} MADD B} FCC C} NBA D} EKG .the answer i choose is b. Am i correct?

    asked by laura
  107. Critical thinking

    Can a true conclusion be derived validly from false premises?

    asked by Sarah
  108. calculus, volume , application of integration

    show steps for the following: Consider the curve f(x)=x^4 between x = -1 and x = 4. a)What is the volume obtained by revolving the area under the curve around the x-axis? b)What is the volume obtained by revolving the area under the curve (i.e. between

    asked by Robert
  109. Physics

    While riding a chairlift, a 55 kg skier is raised a vertical distance of 370 m. what is the total change in the skier's gravitional potential energy? given: m = 55 kg d = 370 m When i used PE = mgh, the answer was 199,430, i know its wrong since the answer

    asked by Priscilla
  110. science

    a man is driving across a bridge with lots of cargo in the back of the truck but then the truck stops what should he do

    asked by cierra
  111. physics

    f a pronghorn antelope accelerates from rest in a straight line with a constant acceleration of 1.5 m/s2 , how long does it take for the antelope to reach a speed of 20 m/s?

    asked by lisa
  112. physics

    f a pronghorn antelope accelerates from rest in a straight line with a constant acceleration of 1.5 m/s2 , how long does it take for the antelope to reach a speed of 20 m/s?

    asked by lisa
  113. math

    0.75 in fractional notation is equal to what? is it 70/100

    asked by Anonymous
  114. Science

    What are some examples of speed and velocity? I'm trying to illustrate them for a project, but i don't know what to draw

    asked by Jamie
  115. math

    write the ratio as a fraction in lowest terms. compare in hrs. 50 hours to 3 days. is it 50/12

    asked by Anonymous
  116. math

    36/50 is what percent? is it 0.72%

    asked by Anonymous
  117. Math

    Gilda ran a 26-mile marathon. About how far would her sister have to swim to use the same number of Calories Gilda used during the marathon?

    asked by Jonathan
  118. us history

    What year did Wyoming establish it's public school system?

    asked by Amy
  119. math

    write the ratio as a fraction in lowest terms. compare in hours. 50 hours to 3 days I think the ratio is 16:7

    asked by Anonymous
  120. Math

    The length of a median of a triangle is 36 units. Describe the location of the centroid on that median.

    asked by Nichelle
  121. college

    A tortoise can run with a speed of 0.10m/s and a hare can run 20 times as fast. In a race, they start at the same time, but the hare stops to rest for 2.0min. The tortoise wins by a shell (20cm). How long does the race take? What is the length of the race?

    asked by Whitney
  122. history

    I'm trying to research desecreation and Jim Crow Laws. Does anyone know any good sites??? thanks -aShLeY

    asked by Ashley
  123. math1

    I have no clue how to do this. I have to write it out than solve. Nineteen less than nine times a number is equal to 11 more than seven times the number. i know so far is 9-9*n=11+7?

    asked by Candace
  124. math1

    56 students is 70% of how many students? i think it is 39.2?

    asked by Candace
  125. grammar

    We are proof reading phrases for errors. aunt rose, one of my favorite aunts This is my corrected phrase: Aunt Rose, one of my favorite aunts

    asked by Jacob
  126. Algebra 1

    How do you graph y=1/2x+1 y=-3x+8

    asked by Rose
  127. Math

    This is logic involving truth tables. How can i prove C¡úD B¡ÅC A¡Ä¡×B ------- ¡àDy problem i cant get in the whole packet This is the onl

    asked by Crystal
  128. Math

    This is logic involving truth tables. How can i prove C¡úD B¡ÅC A¡Ä¡×B ------- ¡àD

    asked by Crystal
  129. Science

    What sequence of events could lead to magma becoming soil?

    asked by Jessica
  130. Business

    What resources does an International Internet retailer need other than merely a storefront on the Internet?

    asked by Anonymous
  131. MARDI GRA.

    Okay, im doing a project on Mardi gras and i neeed a catcby title w/o telling the subject of the project. kinda like a riddle?

    asked by Jenny
  132. Biology

    Why does the blood pressure goes up and down all the time.

    asked by TOM
  133. science

    what drives the lithospheric plates

    asked by isabel
  134. Math

    I'm reviewing algebra and I need help with this equation. I'm a quick learner so an example could be fine. Thank you in advance. h-(-8) = 3

    asked by Sara
  135. Biology

    Why the right atrium is larger than the left atrium.

    asked by TOM
  136. Biology

    Why the left ventricle has a thicker more muscular wall than the right ventricle.

    asked by TOM
  137. Biology

    Why arteries have more muscle in their walls than veins

    asked by TOM
  138. math

    Decide whether perimeter or ares would be used to find the quanitity of track needed for a tabletop railroad. i think area.

    asked by Candace
  139. Math

    A woman driving a care 14ft long is passing a truck 30 ft long. The truck is traveling at 50 miles per hour. How fast must the woman drive her car so that she can pass the truck completely in 6 seconds?

    asked by Lisa
  140. Physics

    Find the slope of the line that is tangent to the given function’s graph for the specified value of the independent variable. f(x) = 9x – 8; x=10.

    asked by Kassie
  141. algebra

    x+2y=y-8 how do i solve that???

    asked by sonnny
  142. Geometry

    IF m

    asked by Micki
  143. Physics

    Find the slope of the line that is tangent to the given function’s graph for the specified value of the independent variable. f(x) = 9x – 8; x=10.

    asked by Kassie
  144. Physics

    Compute the derivative of the given function and find the slope of the line that is tangent to its graph for the specified value f the independent variable. f(x) = 9x^2 – 2x + 8; x =3.

    asked by Kassie
  145. Math

    Did I do this right? Just want to make sure. 15 = r-1 + 6 +6 r = 21

    asked by Sara
  146. Math

    Find the Derivative of: F(x)= (x^2) (e^x) + (e^x) would I use the product rule? F'(x)= 2x(e^x) + (e^x) (x^2) + (e^x) = (e^x) ( x^2 + 2x + 1 )

    asked by SC
  147. Math

    Find the Limit Lim x-5/ (1/x)-(1/5) x->5 can I assume that 1/x is going to infinity so (1/x) is zero? so then I will be left with: 5-5/ (-1/5) 0/ (-1/5) =limit is 0?

    asked by SC
  148. physics

    An airplane lands and starts down the runway at a southwest velocity of 44 m/s. What constant acceleration allows it to come to a stop in 1.3 km?

    asked by lisa
  149. physics

    A car is speeding up and has an instantaneous velocity of 1.0 m/s in the +x-direction when a stopwatch reads 10.0 s. It has a constant acceleration of 2.0 m/s2 in the +x-direction. (a) What change in speed occurs between t = 10.0 seconds and t = 13.0 s?

    asked by lisa
  150. Math

    Can you please check to see if this is correct: -5 = x-(-17) After doing my work I got x = -22

    asked by Sara
  151. Math

    why do fractions need a common denominator before you can add or subtact them?

    asked by Anonymous
  152. Language Arts

    What's a good way to teach the word "Accolade" to the class. I have to make a prsentation that's less than 2 minutes, and teach my classmates the word so that it sticks. Any help???

    asked by Cecilia
  153. Math

    What Are The Stepd In Finding The Volume Of An Rectangular Prism?

    asked by Janae
  154. social studies

    the compromise of 1850 how did this event impact american history(why was it important to oour country,what were the benefits or drawbacks of the event for the u.s.

    asked by mia
  155. physics

    A 4 kg wooden block rest on a table. the coefficient of friction between the block and the table is .40. a 5kg mass is attached to the block by a horizontal string passed over a frictionless pulley of neglible mass what is the acceleration of the block

    asked by Tori carr
  156. physics

    A woman does 340 J of work to move a table 4 m across the floor. What is the magnitude of the force that the woman applied to the table if this force is applied in the horizontal direction?

    asked by Anonymous
  157. physics

    A woman does 340 J of work to move a table 4 m across the floor. What is the magnitude of the force that the woman applied to the table if this force is applied in the horizontal direction?

    asked by Anonymous
  158. science

    Explain why carbon can form so many organic compounds?

    asked by Ms. N
  159. Math

    Can you please explain how to do this equation, thanks x+9+12 = -3

    asked by Sara
  160. math

    what is congruent?

    asked by Andres
  161. science

    how did organic compounds get this name?

    asked by Savannah
  162. geography

    why is judaism mulitethnic

    asked by darryana
  163. math

    Solve the inequality and show the number line. x + 29 < 33 for x > 0

    asked by TOM
  164. Childcare

    why is the incubation stage of an illness of concern to day care workers? A children in the stage require a great deal of care and special attention. B children in this stage often need special medical help C children in this stage often pass on the

    asked by Rosa
  165. accounting

    During the latest accounting period, the company experienced a net loss of $800,000 yet its cash increased $300,000 during the same period. What are some of the reasoning for this?

    asked by Jrmt
  166. Math

    If the measure of angle 1 = 4x + 10 and the measure of angle 7 = 6x + 4. what are the measures of angle 1 and what is the measure of angle 7?

    asked by Nichelle
  167. algebra

    9 over y + 2 over 5 + 3 over 5y

    asked by jim
  168. math

    what is the diameter of a circle that has an area of 36 square inches

    asked by Anonymous
  169. Trig

    How would you find tan80 and tan55 as needed in this problem? Use identities to find each exact value. (tan80+tan55)/(1-tan80tan55)

    asked by Chloe
  170. math

    using the scale 1 inch= 8 feet. what is the legnth of 16.5 feet?

    asked by johna
  171. englsih

    i need this paragraph edited Secondly, the previous action in the play shows conflict of interest between the younger daughter and her older father. For example, during a conversation between the father and the daughter, there is clear proof of Japanese

    asked by jake
  172. computers

    Saguaro Federal has mainframes for all of its banks and businesses must the company use the Ethernet or Token Ring protocol? Explain your choice why is this choice appropriate?

    asked by Jo
  173. Finances

    what are the differences between a comptroller and a treasurer?

    asked by Anna
  174. math

    Laurie expects to make $100,000 in 2007. Her social security tax is 6.20% up to the wage base, Medicare is 1.45%. How much FICA is Laurie expected to pay for the year?

    asked by jay.
  175. Science

    For science I have to create a safety poster about one safety rule. Are these ones good: *clean up after your mess. *Don't eat or drink in the science lab. *Wash your hands after experiments. *Never reach across a flame. *Listen to directions. More rules

    asked by Sara
  176. 7th grade

    what percent of decrease is from 125 to 75

    asked by Natalie
  177. Chemistry

    how do i find which substances are most likely to obey raoult's law?

    asked by Anonymous
  178. childcare

    thank you Ms.Sue by this information. Then my answer should be C.

    asked by Rosa
  179. Algebra

    The hourly wages at a local business are between $8.60 and $14.80 depending upon the job. Write an absolute value inequality describing the possible hourly wages of the employees. Okay, so i already know that the inequality is like 8.60 is < or = to x is <

    asked by Sabrina
  180. fine art

    I have a writing assignment to do I need some reference points. "Art is a window into culture"

    asked by TOAD
  181. physics

    A spring with a spring constant k of 44 N/m is stretched a distance of 30 cm (0.3 m) from its original unstretched position. What is the increase in potential energy of the spring?

    asked by rad
  182. Math

    (1.19)3 + X .49= 4.55 This is the last problem on my assignment. I tried but my teacher told me I got it wrong, help please?

    asked by Clair
  183. business

    How do I describe why I think that a specific for of organization is best for a topic sentence?

    asked by dixiechick
  184. HSM 220

    Does anyone help with this subject?

    asked by Tara
  185. math

    x=-16 to the second power+63T4+4 after lounch how many seconds will it take to hit the ground

    asked by dale clinton
  186. Chemistry

    50 mL of 1M silver Nitrate is combined with 25 mL of 2 M potassium Chloride. What is the concentration of a resulting solution

    asked by Chris
  187. physics

    what is the downward force of the atmosphere on the top of your head right now. Assume your head has an area of .025 m^2

    asked by Lilly
  188. Language Arts

    What are some articles on "Hate Crimes" do to Race, Religion, Sex, Ethnic Background...etc.?

    asked by Kim
  189. Chemistry

    Write the mechanism for (E)-2-5-dimethyl-hex-3-ene and bromine? Assign the R, S configuration for each of the products and determine the stereochemical relationship of each set of products. I think the products will be trans but I am not quite sure how the

    asked by Kevin
  190. calculus

    find the volume of the solid formed by revolving the region bounded by the graphs of y=x^3,y=1, and x=2 about the x-axis using the disk method. 9 express the answer in terms of pie) i got the answer to be 3/5 pie but im not sure if is right. i used the

    asked by Nancy
  191. math

    how can you use the product of 108 and 4 to find the product of 324 and 4?

    asked by bre
  192. algebra

    5x-4-2x+1=8x+2

    asked by Anonymous
  193. Social Science

    What does race and ethnicity mean?

    asked by Tim
  194. algebra

    A population of wolves in a county is represented by the equation P(t) = 80(0.98)^t, where t is the number of years since 1998. Predict the number of wolves in the population in the year 2008.

    asked by Danni
  195. geometry

    A graphic artist is designing a poster to advertise a modern art exhibit. The area of the rectangular poster must be greater than 0 square inches, but no more than 96 square inches. If the length of the poster is 12 inches, then which expression defines

    asked by Anonymous
  196. biology

    Name at least 3 useful purposes for bacterial endospores. -I have only 2, which are: produce antibiotics and produce toxins that kill insects. Also, how is the spore location within the cell used to differentiate species? -All I could find is that the

    asked by Holly
  197. childhood

    Four-year-old Jacob comes from a family in which hypertension is common. It's probable that Jacob will need a diet that's low in A. fats. B. iron. C. salt. D. sugar. My answer correct is A

    asked by Abbie
  198. math

    Which fraction would fit between the two fractions in the garden below?

    asked by samantha
  199. history

    How did the minority groups' struggle for civil rights begin in the 1950s? Which event from this time do you think was most responsible for bringing public attention to the American Civil Rights Movement? Explain why you selected this event.

    asked by Anonymous
  200. Physics

    I really need help with only this two problems. 1. A 6.0 kh block, sliding to the east across a horizontal, frictionless surface with a momentum of 30 kg*m/s^, strikes an obstacle. The obstacle exerts an impluse of 10 N*s to the west on the book. The speed

    asked by Priscilla
  201. biology

    Name at least 3 useful purposes for bacterial endospores. -I have only 2, which are: produce antibiotics and produce toxins that kill insects. Also, how is the spore location within the cell used to differentiate species? -All I could find is that the

    asked by Holly
  202. trig

    Determine a pair of coterminal angles in radian measure to the angle pi over 2

    asked by taylor
  203. algebra

    what is 8gal7qt minus 3gal 2qt?

    asked by Heather
  204. Math

    It's time to plant a spring vegetable garden 1/3 will be root plants, 1/3 will be stalk plants, and 1/3 will be vine plants. 1/2 of the stalk and vine plants will be grown organically without fertilizer. What fraction of the garden will be grown

    asked by Ana
  205. math-cal.

    find the volume of the solid formed by revolving the region bounded by the graph of y=2x^2+4x and y=0 about the y- axis ( express the answernin terms of pie)

    asked by Nancy
  206. ethics

    The rising number of uninsured patients has led to an increased reliance on the hospital emergency room for routine non-emergency care. The EMTALA is an example of a law that impacts who must be seen when presenting to the emergency room seeking care. How

    asked by Niki
  207. Mathematicas

    What generalizations can you make about the temperature that is read on the thermometer and the heat index?

    asked by An
  208. physics

    When people sleep, their metabolic rate is about 2.6*10^4 C/(s-kg). How many calories does a 25kg person metabolize while getting a good nights sleep of 8 hours?

    asked by Alex
  209. 3rd Grade Math

    Dave swam 6 laps and did 9 dives at the swimming pool. Crystal did 4 dives and swam 8 laps. How many more laps than dives did Crystal and Dave do?

    asked by 3rd Grader
  210. communications

    • Consider how free speech supports the right to circulate goods, services, and images in the marketplace. In addition, consider how free speech in advertising has raised concerns about advertising manipulation, especially with regard to children, teens,

    asked by Anonymous
  211. Operation Management

    Determine the placement of departments for a newly designed facility that will minimize total total transportation costs using the data in the following tables Assume that reverse distances are the same. Thelocation are shown in the grid. Use a cost of $1

    asked by Anonymous
  212. ethics

    The rising number of uninsured patients has led to an increased reliance on the hospital emergency room for routine non-emergency care. The EMTALA is an example of a law that impacts who must be seen when presenting to the emergency room seeking care. How

    asked by Niki
  213. Social studies

    How did America become a major nation?

    asked by dahee
  214. Chemistry

    The pressure inside a hydrogen-filled container was 2.10 at 21 . What would the pressure be if the container was heated to 96?

    asked by T
  215. algebra

    The hourly wages at a local business are between $8.60 and $14.80 depending upon the job. Write an absolute value inequality describing the possible hourly wages of the employees. Okay, so i already know that the inequality is like 8.60 is < or = to x is <

    asked by Sabrina
  216. 5th grade fractions

    How do I find a number that when divided by 2/3 gives me a quotient between 1/3 and 3/4

    asked by Meghan
  217. medical coding

    Explain how evaluation and management (E/M) codes are grouped

    asked by jessie
  218. Math-Ms. Sue

    Ms. Sue could you please show me how slove this equation. Could you show me how to solve it like this: for ex.: x-15 = -8 +15 +15 x = 7 I need help with this equation: -10=W-32+6

    asked by Sara
  219. algebra

    Solve: 7y-10y>-10

    asked by adahli
  220. ethics

    I need help getting started on this question: In the healthcare field, different groups of healthcare professionals adhere to their own codes of ethics. Using any resources available to you, research two different codes of ethics for any two groups of

    asked by Niki
  221. chem

    A 250 mL sample of oxygen is collected over water at 25 degrees Celcius and 760.0 torr pressure. What is the pressure of the dry gas alone?

    asked by joey
  222. Physics

    i need help sovling for these variables(i know that i am supposed to solve usign opposite operartion but i keep getign most of them wrong. A= 1/2 (a+b)h find a A= 1/2 (a+b)h find h T= squareroot I find I V= 4/3pier^2 find r

    asked by jake
  223. Phyisics

    i need help sovling for these variables(i know that i am supposed to solve usign opposite operartion but i keep getign most of them wrong. A= 1/2 (a+b)h find a A= 1/2 (a+b)h find h T= squareroot I find I V= 4/3pier^2 find r

    asked by jake
  224. physics

    i need help sovling for these variables(i know that i am supposed to solve usign opposite operartion but i keep getign most of them wrong. A= 1/2 (a+b)h find a A= 1/2 (a+b)h find h T= squareroot I find I V= 4/3pier^2 find r

    asked by jake
  225. 10th grade

    how to simplify radicals

    asked by Keith
  226. Chemistry

    A sample of oxalic acid, H2C2O4, is titrated with standard sodium hydroxide, NaOH, solution. A total of 45.2 mL of 0.12 M NaOH is required to completely neutralize 20.0 mL of the acid. What is the concentration of the acid? Concentration is Molarity, which

    asked by Anonymous
  227. spanish

    Complete each of the following sentences by writing the appropriate preterit or imperfect form of the indicated verb. BELOW THESE 43 QUESTIONS ARE MY ATTEMPT AT THE CORREECT ANSWERS. I JUST NEED THESE CORRECTED. PLEASE MARK ANY THAT ARE WRONG AND PROVIDE

    asked by Lane
  228. geometry

    the perimeter of a hexagon is 13.5 what is the lenth of each side

    asked by kayla
  229. chemistry

    which pair of substances are most likely to obey Raoult's Law? C5H12 and C6H14 H3PO4 and H20 C4H9COOH and C5H12 C5H12 and H20 C4H9COOH and H20 How do I go about figuring this out? What should I be comparing, differences in molar masses, polarity, etc...?

    asked by Anonymous
  230. Chemistry

    You and another student were each given an unknown compound. Both samples contained colorless material. You each used the same brand of commercially prepared TLC plate and developed the plates using the same solvent. Each of you obtained a single spot of

    asked by Judy
  231. algebra

    1/2 divided by 2 and 1/4 in lowest terms

    asked by anonymous
  232. chemistry

    Consider a glass of 294 mL of water at 29°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved

    asked by Eric
  233. Math

    can someone show me a step by step guide converting this please 2.483 X 10^-7 pm^4kg/s^2 to dam^3mg/day^2

    asked by jake
  234. Math

    Can someone help me convert this 0.908 aL/Tmin to nL/hs

    asked by jake
  235. Physics

    As part of a forensic test, a 5.0g lead bullet is fired into a fence post. the initial speed of the bullet is 250 m/s. when it comes to res, it is determined that half its kinetic energy had gone into heating the bullet. how much does the bullet's

    asked by Alex
  236. physics

    An airplane pilot wishes to fly due west. A wind of 82.0m/s is blowing toward the south.If the airspeed of the plane (its speed in still air) is 375.0 km/h, in which direction should the pilot head? What is the speed of the plane over the ground?

    asked by Anonymous
  237. math-plz help

    Consider the curve f(x)=x^4 between x = -1 and x = 4. a)What is the volume obtained by revolving the area under the curve around the x-axis? b)What is the volume obtained by revolving the area under the curve (i.e. between f(x) and the x-axis) around the

    asked by elena
  238. economics

    1. Ned reads textbooks (y) and harlequin romance novels (x). He sends about $250 per quarter on books. His demand for textbooks can be written m 2py and his demand for harlequin romance novels is m 2px . (a) Textbooks cost $30 while romance novels cost

    asked by kristy
  239. math

    consider the area enclosed between the curves f (x) = x2 and g (x) = 4x what is the volume obtained by revolving the area between these two curves around the line y = 20?

    asked by amy