Questions Asked on
January 27, 2010

  1. 2nd grade

    guess rule with letters. Fit the rule AEFHIKLN Do Not fit BCDGJOP HOW TO FIND THE RULE?

    asked by rosa
  2. algebra

    What were the headlines after a mad scientist trained two eggs to attack a candy store with sharp sticks ?

    asked by taylor
  3. Org. Chem.

    Provide methods for preparing the following compounds by the Grignard method: A) 3-pentanol B) Hexanoic acid There are also 2 more, but I don't even know how to name them. C) CH3CH2CCH3OHCH2CH3 D) A cycloalkene (3 double bonds-alternated) with CHOHCH2CH3

    asked by CMM
  4. Physics

    When a 65 kg person climbs into a 1000 kg car, the car's springs compress vertically by 3.1 cm. What will be the frequency of vibration when the car hits a bump? Ignore damping.

    asked by Eric
  5. chemistry

    At what temperature would a 1.75m NaCl solution freeze, given that the van't Hoff factor for NaCl is 1.9? Kf for water is 1.86 C/m.

    asked by Rio
  6. physics

    a person walks first a constant speed of 5.00m/s along a straight line from point A to point B and then back along the line from point B to A at a constant speed of 3.00m/s. (a) what is her average speed over the entire trip? (b) what is her average

    asked by millie
  7. Mathematics

    I really need help with these three questions. Thank You. 1. Calculate the finance charge and new balance using the previous balance method. Previous balance = $179.32 Annual rate = 16% Finance charge $ ? New purchases = $117.42 Payments/credits = $85.00

    asked by Anonymous
  8. math please

    Solve 3^2x + 3^x - 21 check extraneous roots

    asked by Anonymous
  9. Finance

    A self-employed person deposits $3000 annually in a retirement account (called a Keogh account) that earns 8 percent. a. How much will be in the account when the individual retires at the age of 65 if the savings program starts when the person is age 40?

    asked by Bella
  10. physics

    A puddle filled with 20. kg of water is completely frozen to -6.0 degrees celcius in the middle of winter. How much heat must be absorbed by the puddle to melt the ice and warm the water up to 20. celcius during the spring thaw?

    asked by trav
  11. chemistry

    How much ice at zero degrees Celcius (in grams) would have to melt to lower the temperature of 351 of water from 25 to 5? (Assume the density of water is 1.0 .)

    asked by Anonymous
  12. 5th grade math

    What fraction of a square mile is a field that is 1/2 mile long and 1/4 mile wide? How do you figure this?

    asked by Jill
  13. Physics

    A merry-go-round accelerates from est at .870 rad/sec^2. When the merry-go-round has made 4 complete revolutions, how much time has elapsed since the merry-go round started? What is the angular velocity of the merry-go round? Could someone help, please

    asked by help
  14. Physics

    The maximum gauge pressure in a hydraulic lift is 19.0 atm. What is the largest size vehicle (kg) it can lift if the diameter of the output line is 32.0 cm?

    asked by Anonymous
  15. Chemistry

    Assume that you found that the average volume of water required to fill the graduated cylinder to the 8.00 mL mark was 7.95 mL. What is the percent error?

    asked by Andrew Howard
  16. Algebra

    PLease solve by elimination. 2x+4y=8 5x+y=-7

    asked by Keyaria
  17. Physics

    An elastic cord vibrates with a frequency of 2.7 Hz when a mass of 0.56 kg is hung from it. What will its frequency be if only 0.43 kg hangs from it?

    asked by Anonymous
  18. math

    A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to posses a normal distribution with a mean of 450 seconds and a standard deviation of 50 seconds.

    asked by Rmz
  19. 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 Jake
  20. mathematics

    Question # 1: A series is: 1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers 3. an arrangement of quantities whose positions are based upon the natural numbers. Which number is it? Question # 2: For the

    asked by Nikki
  21. Grade 4 Math

    Mele is feeding some of the many exotic fish that live in the coral reefs off the island of Tonga. This is the largest of a chain of islands in the south Pacific. Mele has brought a cooked banana from home to give to the fish. As the fish nibble on the

    asked by Riz
  22. Finance

    If a father wants to have $100,000 to send a newborn child to college, how much must he invest annually for 18 years if he earns 9 percent on his funds?

    asked by Kat
  23. Geometry

    Suppose that a given quadrilateral is a kite with no right angles. Which of the following is possible? a. the quadrilateral is a trapezoid b. the quadrilateral has congruent diagonals c. the quadrilateral is a rhombus d. none of the above I think it is b.

    asked by Rmz
  24. math

    Cassandra bought a dresser for $500. If the value of the dresser increases 6% annually, what will be the value of Cass's dresser at the end of 3 years to the nearest dollar?

    asked by renee
  25. spelling

    analogy glue as to sticks as thorns r too

    asked by teresa
  26. Calculus

    A manufacturer sells a certain article to dealers at a rate of $20 each if less than 50 are ordered. If 50 or more are ordered(up to 600) the price per article is reduced at a rate of 2 cents times the number ordered. What size order will produce the

    asked by Jose
  27. Environmental Science

    29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large mats of algae to bloom in fresh water c. are a result of power plants and other industrial

    asked by y912f
  28. English

    I have a comprehesion passage I need to read an answer questions. Is it possible can you help with my work. I really need help how can i get in contact with you to give you further information.

    asked by tamika
  29. English

    In Stephen King's "Why We Crave Horror Movies?" Why does the author think we need to exercise our anticivilization emotions? What are some other ways we might confront these emotions?

    asked by John
  30. math

    Karla borrowed $750 at 12 percent for one year. She paid a $20 processing fee. The interest paid will be $95.00, $92.50, or $90.00 Thus, the total finance charge (the interest plus the processing fee) will be? $115.00, $112.50, or $110.00 ? Therefore, to

    asked by Kim
  31. math

    At the first tri-city meeting there are 8 people from town A, 7 people from town b and 5 people from town c. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 from town b. I know that the

    asked by Rmz
  32. english2

    what is the best thesis statement for als or amyotrophic lateral sclerosis.. i really can't think of a god thesis statement for this thing..i really need some sense here..tnx

    asked by kishel
  33. chemistry

    A liter of 2M NaOH solution contains how many grams of NaOH?

    asked by Victoria
  34. Calculus

    A car drives down a road in such a way that its velocity ( in m/s) at time t (seconds) is v(t)=3(t^(1/2))+4. Find the car's average velocity (in m/s) between t=4 and t=6.

    asked by <3
  35. Science

    A volcano with basaltic magma would probably? A)erupt with a violent pyroclastic flow B)erupt with a gradual lava flow C)erupt with explosions of tephra D)not erupt at all, but remain in the E)magma chamber and cool i think its A

    asked by george
  36. physics

    The figure below shows two points in an E-field: Point 1 is at (x1,y1) = (9,4) in m, and Point 2 is at (x2,y2) = (13,9) in m. The Electric Field is constant, with a magnitude of 56.0 V/m, and is directed parallel to the +x-axis. The potential at point 1 is

    asked by jibjab
  37. Math

    An accountant earns $3180 per month after receiving a 8.5% raise. What was the accountant's monthly income before the raise? Round your answer to the nearest cent. What i thought you did was 3180*8.5%=270.3 3180-270.30=2909.70, but it says its not correct.

    asked by Chelsea
  38. chemistry

    during an experiment, if not all of a liquid vaporizes, in a flask with a cap with a pinhole. will the reported molecular weight be too high or low? i was thinking too high because the liquid weighs more.

    asked by Haley
  39. Algebra

    a chemist mixed a 15% glucose solution with a 35% glucose solution. This mixture produed 35 liters of 19% glucose solution. How many liters of each solution did the chemist use in the misture?

    asked by Mike
  40. Physics

    On a string instrument of the violin family, the effective length of a string is the distance between the bridge and the nut. For a violin, this distance is 29.3 cm, while for a cello it is 37.8 cm. The string of a violin is placed in a cello with the

    asked by Tension
  41. Science

    1)Newton's laws of motion are concerned with relationships among a) force, mass and motion b) Displacement, mass and acceleration c) Velocity, fore and acceleration d) mass, acceleration and velocity I feel that thay deal with force, mass and motion which

    asked by hello
  42. english/ poem

    1)in part two of the "highwayman" , why is the fact that the highwayman didn't come stressed three times? 2) From whose point of view are we seeing it? 3) Why is the word "marching" repeated? can you help me answer this question please ? answer: 1 -because

    asked by Marie
  43. math

    License plates are made using 3 letters followed by 3 digits. How many plates can be made if repetition of letters and digits is allowed?

    asked by Rmz
  44. Math Grade 4

    It is noon at the sandwich shop, and Kathy and Jill are making sandwiches for the lunchtime rush. Today's specials are egg salad or ham and cheese. During the first 15 minutes, Kathy makes 5 egg salad sandwiches and Jill makes 7 ham and cheese sandwiches.

    asked by Noor
  45. Physics Entropy Project

    We did a lab in class where we heated a nail, and our goal was to determine the total increase in entropy of the system. I have all of the measurements but I'm not sure how to go about figuring out the change in heat (delta Q). delta S = delta Q / delta T

    asked by George
  46. math

    To win $1 million, you must draw two cards whose sum is nine from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of

    asked by An
  47. English

    Whats a thesis statement for homework

    asked by Kassy
  48. Math 101

    Debra is buying prizes for a game at her school's fundraiser. The game has three levels of prizes, and she has already bought the second and third prizes. She wants the first prize to be nice enough to attract people to the game. The game's manufacturer

    asked by Marla
  49. Math

    2 cups of flour = 6 cookies x cups of flour = 10 cookies I found out that 3 cookies get 1 cup of flour and each cookie get 1/3 cup . Also 3 1/3 cups equal 10 cookies . Now i have to write and solve a proportion and i don't know how to do that . Can you

    asked by Carrie
  50. College Chem

    The heat of combustion of ethanol is -29.8 kJ/g. What is the heat of cmbustion expressed in Joules per kilogram?

    asked by Carleeta
  51. chemistry

    I need a single reagent that I could use to distinguish between Pb(NO3)2 solution and Hg(NO3)2 solution.

    asked by Jennifer
  52. Physics

    An arrow is shot straight up in the air with speed of 20m/s. How long is t in the air? How high will the arrow rise?

    asked by Jake
  53. Physics

    Could someone try helping me solve those 2 questions or write me a formula with equaion what to do , thanks for every bit of help A 600kg elevator accelerates upward from rest for 10 seconds through 40.0meters. Find the cable tension a) 5130 N b) 5400 N c)

    asked by needhelp
  54. communication

    can cost alone be a mitigating factor if a health issue is serious enough? Is it possible for this to be the major factor for a person to make or not make a decision to improve their health? It seems to me that any decision impacting your health would be

    asked by linda
  55. Math

    A race track tote board has the odds for a horse listed as 5 to 3. Tote boards list the odds that a horse will lose the race. If this is the case, what is the probability of the horse winning the race? how do you start this?

    asked by Rmz
  56. math

    how many ways can an IRS auditor select 3 of 11 tax returns for an audit? would that be 1331

    asked by Rmz
  57. 4 grade

    To win $1 million, you must draw two cards whose sum is nine from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of

    asked by Anonymous
  58. math

    make up a set of at least 12 numbers using the following landmarks: minimum 3 maximum 9 median 7 mode 7

    asked by Hannah
  59. math

    Hi i have a math exam tomorrow and i wanted to get some extra practice so can you please find me free online math tests. Please do not give me "Proprofs" as one of the websites. I have already tried their website and it did not help :D

    asked by clueless
  60. Biology

    Are these correct? Cohesion=Water molecules stick to the side of a straw because of this attractive force. Adhesion=Liquid mercury forms drops because of this attractive force Polarity=This property of water enables salt to dissolve in water Base=This is a

    asked by mysterychicken
  61. Algebra with pizzazz

    4x-7>17

    asked by Anonymous
  62. English

    is the following statement using a regular or irregular verb and why Some athletes have taken drug tests to prove they are not on steroids. 5b. Some athletes have took drug tests to prove they are not on steroids.

    asked by Heather
  63. Chemistry

    The density of liquid mercury is 13.5 g/cm cube. What mass of mercury (in kg) is required to fill a hollow cylinder having an inner diameter of 2.00 cm to height of 25.0 cm?

    asked by Suzanne
  64. Chemistry

    Write equilibrium Constant expressions (k) for the following reactions: Ni(s)+ 4CO(g) Ni(CO)₄ HF(aq) H(aq) + F(aq) Cl₂(g)+2Br(aq) Br₂(l) + 2Cl(aq)

    asked by Aidan
  65. Physics

    Please help me with these three questions. They deal with coefficient of friction 1) A car rounds a turn of radius 25m at a speed of 20m/s. Find the coefficient of friction neccessary to keep the car on the road 2) A man is attempting to slide a piece of

    asked by Bryian
  66. Physics - Frequency

    This is in reply to a previous post, I'm not really sure whether replies to posts that are several days old are viewed by anyone, so I'm reposting just in case. In reply to bobpursley's post, I just want to ask, how would you know how long it takes for the

    asked by Hailey
  67. Math

    A woman has a total of $9000 to invest. She invests part of the money in an account that pays 7% per year and the rest in an account that pays 8% per year. If the interest earned in the first year is $664, how much did she invest in each account?

    asked by Amanda
  68. french

    Can someone help me correct these phrases? Avant que j'ai choisi qu'école a laquelle... I wanted to say 'Before I chose the school where....'

    asked by Dina
  69. Math

    Miguel sells 77 to a barbeque, for a total of $443. If the tickets cost $7.00 for adults and $5.00 for children, how many of each ticket did he sell?

    asked by Chelsea
  70. Finance

    You wish to retire in 12 years and currently have $50,000 in a savings account yielding 5 percent annually and $100,000 in quality "blue chip" stocks yielding 10 percent. If you expect to add $30,000 at the end of each year to your stock portfolios, how

    asked by Bella
  71. science

    can someone please help me if your good at science:How does clouds form?

    asked by kool4life
  72. social studies

    What strange tade took place in North and West Africa?

    asked by miley
  73. Math

    Amy paid 72.34 for a pair of running shoes during a 20%- off sale. What was the regular price?

    asked by Chloe
  74. math

    Assume that the weight loss for the first tow months of a diet program has a uniform distribution over the interval 6 to 12 pounds. Find the probability that a person on this diet loses more than 11 pounds in the fisrt two months. How do you do this, is

    asked by Rmz
  75. Physics

    Please help me with these three questions,they deal with coefficient of friction 1) A car rounds a turn of radius 25m at a speed of 20m/s. Find the coefficient of friction neccessary to keep the car on the road 2) A man is attempting to slide a piece of

    asked by Bryian
  76. math

    Two helicopters leave Springfield, IL at the same time. One travles north at 27 miles per hour and the other travels west at 120 miles per hour. How far apart are they after 3 hrs? (Hint: Use d=rt to find the distance traveled by each helicopter.) I know

    asked by Rmz
  77. Physics

    Could someone try to help me solve those 3 questions by giving me clues or equations? With what speed (SI Units) must a ball be thrown directly upward so that it remains in the air for 12.5 second? An object of mass 197kg is at rest. If a force of 2.5N is

    asked by cool
  78. history

    what was the assassination of the Ferdinand-?

    asked by selena
  79. chemistry

    Given that the heat of fusion of water is -6.02 kJ/mol, that the heat capacity of H2O(l) is 75.2 kJ/mol*K and that the heat capacity of H2O(s) is 37.7 kJ/mol*K, calculate the heat of fusion of water at -11 K.

    asked by im lost
  80. algebra

    What s radical 20 is written in simplest radical for, the result is k radical 5. What is the value of k?

    asked by Anonymous
  81. english

    is the following statement a regular or irregular verb and why. John has become a rather good actor. 4b. John has became a rather good actor

    asked by Heather
  82. Social Studies

    The History of Canada way was Canada divided into two colonies by great britain

    asked by Addyaby
  83. Physics

    Please help me with these three questions,they deal with coefficient of friction 1) A car rounds a turn of radius 25m at a speed of 20m/s. Find the coefficient of friction neccessary to keep the car on the road 2) A man is attempting to slide a piece of

    asked by bryian
  84. algebra

    evaluate a-13 when a =33 evaluate 3x+2y-2z when x =5 y=2 z=1 evaluate 6a+4b-3c when a=4 b=7 c-2

    asked by lashon
  85. algebra

    The length of a rectangle is fixed at 24 cm. What widths will make the perimeter greater than 7c cm? The width must be greater than:

    asked by John
  86. health

    Things that are happening in the world today that can cataclysmically affect public health

    asked by Sally
  87. chemistry

    What weight of H2 at STP could be contained in a vessel that holds 4g of oxygen at STP? First, I used the Ideal Gas Law to find the volume of oxygen at STP, but im not sure what to do from there..

    asked by CL
  88. Math

    One angle isless than four times another. Find the measure of each angle if they are complements of each other.

    asked by Amanda
  89. chemistry

    how do you write the balanced chemical equation of Fe3+-ASA

    asked by blasting
  90. Elimination method

    Solve by the elimination method. Is there a solution? 2r-5s= -11 5r+2s= 16

    asked by Tim
  91. Math

    Every question like this I have gotten wrong: "Multiply or divide the expression below. Leave your answer as simplified as possible." (3x-1)(x+7) 10(2x-5) --------- • --------- 4(2x-5) (4x+1)(x+7) This is from the college preparatory math section 10.1.4

    asked by Clair
  92. Algebra

    The Kings are beating the Rockets 65-43. The Kinds have scored 36 times and have no three-point baskets. How many two point baskets and how many free throws (one point) have they made?

    asked by Mike
  93. math 156

    Use the distributive property to find the product. ( 28 + 10) × 2

    asked by Ty
  94. science

    What is a punnet square and how do you figure out questions regarding a punnet square

    asked by bree
  95. English

    Can someone help me find the mistakes in the following sentences? The sentences are short but I want to be sure about the correct use of the prepositions. Thanks 1. I went skiing with my dad to St Moritz (OR in St Moritz) 2. At Christmas (or On Christmas

    asked by Franco
  96. math

    The table lists data regarding the average salaries of several professional athlethes in the years 1991 and 2001 A) use the data points to find a linear functions that fits the data Year Salary 1991 $272,000 2001 $1,480,000 B) what would the salary be in

    asked by Jen
  97. french

    Can someone help me correct these phrases? Avant que j'ai choisi qu'école a laquelle... I wanted to say 'Before I chose the school where....'

    asked by Dina
  98. math

    Solve 4^x + 15(4)^-x = 8

    asked by Anonymous
  99. math

    Use the distributive property to find the product. ( 28 + 10) × 2

    asked by Ty
  100. Physics

    An arrow is shot straight up in the air with speed of 20m/s. How long is t in the air? How high will the arrow rise?

    asked by Jake
  101. Calculus

    The total area enclosed by the graphs of y=6(x^2)–(x^3)+x and y=(x^2)+7x is ..

    asked by <3
  102. math

    In how many ways can 7 basketball players of different heights line up in a single row so that no player is standing between 2 people taller than she is?

    asked by joe
  103. Algebra

    Every item in the Just a Dollar store is priced at $1.00. When Mary Jo opens the store, there is $128.50 in the cash register. When she counts the money in the cash register at the end of the day, the total is $1023.10. If the sales tax rate is 6.5%, how

    asked by Chelsea
  104. english

    I need to know if I can use this as a narrative paragraph. Please help. Thanks. Facing a large debt. What if your debt problems are extensive? Debt consolidation loans could roll all your existing debts into one new loan-so instead of dealing with several

    asked by deborah
  105. Math

    how to solve: In a survey at a supermarket, 78 out of 120 people surveyed said that they shopped more than once a week. What percent of the people is that?

    asked by 6th Grade Math
  106. English

    As agreed, I'm posting you the sentencens I'm still not sure of. Thank you in advance 1) I spent my Christmas holidays chatting with my friends on my computer and playing songs on my guitar. I also played on my Nintendo-DS and I went to volleyball training

    asked by Franco
  107. chemistry

    how do you solve to find the molar mass for calcuim nitrate

    asked by hunter
  108. algebra

    Hello, I need help answering a regents question. It is asking me to find the root of an equation. It also includes a graph which I am unable to upload.The equation is y = −x2 − 2x + 8. -Thank You

    asked by Anonymous
  109. 10th grade

    How does microbiology affect a person on a daily basis?

    asked by Charish
  110. Physics

    Kinetics is linked to dynomics by a) Velocity b) distance c) time d) acceleration I am not so sure but I have a feeling it is D acceleration, does anyone know anything about kinetics lol

    asked by euro
  111. Math

    Simplify 2/7(-7x^2) what are the steps involved? thanks alot!

    asked by Josh
  112. algebra

    how to rewrite the expression with positive exponents, please help, thank you.. (29xy)^-2/3

    asked by diana
  113. Algebra

    For whatever reason I'm drawing a huge blank on this problem. Shane returned from a trip to Las Vegas with $300.00, which was 50% more money than he had at the beginning of the trip. How much money did Shane have at the beginning of his trip?

    asked by Chelsea
  114. Calculus

    A manufacturer sells a certain article to dealers at a rate of $20 each if less than 50 are ordered. If 50 or more are ordered(up to 600) the price per article is reduced at a rate of 2 cents times the number ordered. What size order will produce the

    asked by Jose
  115. 6th Grade Math

    8w-11=45 Please work this out for me Thanks.

    asked by Melea
  116. physics

    Consider a long charged straight wire that lies fixed and a particle of charge +2e and mass 6.70E-27 kg. When the particle is at a distance 1.31 cm from the wire it has a speed 2.30E+5 m/s, going away from the wire. When it is at a new distance of 2.71 cm,

    asked by jaredd
  117. Social Studies

    The History of Canada why was Canada divided into two colonies?

    asked by Addybaby
  118. chemistry

    I have 3 questions I need help with 1. mix 120ml of 0.320M silver nitrate with 40ml of 0.320M potasium chromate. What mass of silver chromate is produced? 2. Calculate the mass of white solid CaCO3 that forms when 98ml of a 0.1M Ca(NO3)2 solution is mixed

    asked by Krissy
  119. history

    Where was Sanna Anna's headquarters during the Alamo?

    asked by jessica
  120. algebra

    (2x^2-8x-42)/6x^2=(x^2-9)/x^2-3x How do you solve this problem? Please list the steps.. Thank You

    asked by Shawn
  121. English

    Which is the pronoun case and why 18a. My brother knows more about technology than me. 18b. My brother knows more about technology than I.

    asked by Heather
  122. math

    34x 1\2= Is the answer 12?

    asked by sierra (6th grade)
  123. math

    Write an equation of the line containing the given point and parellel to the given line (4,-8);9x-8y equals 7

    asked by Jen
  124. college physics

    Consider a long charged straight wire that lies fixed and a particle of charge +2e and mass 6.70E-27 kg. When the particle is at a distance 1.31 cm from the wire it has a speed 2.30E+5 m/s, going away from the wire. When it is at a new distance of 2.71 cm,

    asked by jibjab
  125. Calculus

    Reflecting the graph calculus problem f(x) = 5^x? reflecting the graph about the x-axis and the y-axis: y=___________ reflecting the graph about the line y = 3. y=__________

    asked by Z32
  126. Physics

    The work done in rubbing your hands together s equivalent to the amoun of heat produced. What principle does this demonstrate? I am not sure, is it kinetic energy?

    asked by jessica
  127. Albegra

    The equation y=-1777x + 27,153 can be used to predict the number y of gun deaths in the United States x years after 2000, that is, x=0 corresponds to 2000, x=3 corresponds to 2003, x=4 corresponds to 2004, and so on. Predict the number of gun deaths in

    asked by Amber
  128. math

    Suppose you are playing a word game with seven distinct letters. How many seven-letter words can there be?

    asked by dee
  129. Physics

    A dry water well is 1.5 m in radius and 5.0 m deep. In order from lowest to highest, the fifth resonant frequency of this well is closest to ... Question 1 answers 119 Hz 283 Hz 227 Hz 113 Hz 57 Hz

    asked by Resonant Frequency
  130. math

    Solve 4^x + 15(4)^-x = 8

    asked by Anonymous
  131. college

    0.02 g of CaCO3 is dissolved in 1 L of water. Calculate the moles of calcium carbonate that have dissolved in the water, the moles of Ca2+ ions in solution, and the number of Ca2+ ions in solution?

    asked by mike
  132. Chemistry

    0.02 g of CaCO3 is dissolved in 1 L of water. Calculate the moles of calcium carbonate that have dissolved in the water, the moles of Ca2+ ions in solution, and the number of Ca2+ ions in solution?

    asked by mike
  133. SOCIALSTUDYS

    WHAT WERE ONE OF THE NATIVEAMERICANS BENFIT AND DRAWBACK

    asked by Anonymous
  134. personal finance

    They each take home about $42,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike and Karen, are 11 and 9. Were either one to die, they estimate that the remaining family members would need about 75% of the present

    asked by ari
  135. Math

    What is a good math website which'll help kids aged 5-6 learn? I want a website that shows you how to solve problems step by step. Problems such as addition and, subtraction. Thank you in advance.

    asked by Sara
  136. Math

    what is the GCF for 36 & 48?

    asked by Cameron
  137. Chemistry

    How many significant figures are there in 0.00236 I think its 5, anyone can help

    asked by Chemboy
  138. Language

    what is a negative synonym

    asked by duuu
  139. chemistry

    how much energy in calories, will be required to evaporate 125.0ml of ethanol at its boiling point? Density=0.818g/ml boiling point=78.5C heat of vaporization=210 cal/g

    asked by Ashley
  140. algebra

    What is 32 expressed in simplest radical form?

    asked by Bobby
  141. criminal justice

    Compare and contrast two theories on the causation of crime. o Choose one crime trend outlined in the text and explain its relationship to one of the crime theories you just compared.

    asked by ciera
  142. 5th grade english

    In this sentence, The cat should not be sitting on the kitchen counter., is should not the helping verb?

    asked by Jill
  143. Math

    In a series of three plays, a college football team had the following results:loses 5 yards, gains 8 yards, and loses 7 yards. Find the net gain (or loss) after this series. The answer is suppose to be 4. ( I keep getting -4)

    asked by Stacey
  144. 8th grade

    social studies: what was the area between enemy trenches, in the ww1

    asked by selena
  145. business

    Write a 200- to 300-word response to the following questions: o Now that you have finished your research paper, what advice would you provide to students starting this course? o What would you do differently if you were just starting the course? On what

    asked by Anonymous
  146. math

    ms sue for my question before i mean how much is the dresser in 3 years?

    asked by renee
  147. social studies

    what were the lines of defence dug into the earth? and what was willsons plan for peace?

    asked by selena
  148. English

    I have a creative writing assignment due tomorrow and I'm completly stuck. I have to write 15 lines of iambic pentameter about a long life I want to live, a ridiculous life or some parting words for the future. It's supposed to be something written on a

    asked by Taylor
  149. Healthcare

    I need help understanding this assignment, I am not asking for someone to do this for me. I believe the Checkpoint relates more to critical thinking Any help will be appreciated, I just need help getting started List at least two pros and two cons for each

    asked by Jen
  150. literary

    write an essay on the religious language and reference to fire in McCathy's novel The Road

    asked by angela
  151. math

    20% of num is x. the num is 4 more than x . what's the number.

    asked by phil
  152. math

    the picnic tables are arranged in row of 5.each table is 6 feet long.there are 3 feet between each picnic table.how long is one row of tables?

    asked by marie claude
  153. technology

    what are the 7 basic steps to problem solving?

    asked by selena
  154. physis

    A dry water well is 1.5 m in radius and 5.0 m deep. In order from lowest to highest, the fifth resonant frequency of this well is closest to ... I know that it is an open-closed system, but how would we take into account the amplitude, which is the radius

    asked by sammy
  155. Physics

    Sorry for the repost, i made a typo in the original post's subject. A dry water well is 1.5 m in radius and 5.0 m deep. In order from lowest to highest, the fifth resonant frequency of this well is closest to ... I know that it is an open-closed system,

    asked by Sammy
  156. holocaust

    How were Jews viewed in the United States in the pre-WWII era?

    asked by James
  157. Biology---Urgent

    14. Surface area is an important factor in limiting growth cell because a. the cell may become too large to remove enough wastes. b. materials can't enter the cell if it's too large c. the cell can burst if the membrane becomes too large d. waste products

    asked by mysterychicken
  158. 10th grade

    I need to unscramble the letters to this word from the renaissance. The letters are NWIHZGLCIRULI

    asked by Jeff
  159. Science

    Does anyone have a science fair idea that doesn't explodes because i will have to present in front of people and it can't be a volcano.

    asked by Addybaby
  160. chem

    how would you find molecular mass when given only density? (1.25g/L)

    asked by Anonymous
  161. Spelling

    I need a sentence for the word fury?

    asked by Syreena
  162. Science

    1.I have two questions How many pairs of chromosomes does a human cell have? 2.How many total chromosomes does a human cell have?

    asked by Addybaby
  163. MATH

    WHAT IS THE SEQUENCE OF 5,7,9,11,13,15...

    asked by ASH
  164. writing

    how can i answer the question...SHOULD NUTRALIZED CITIZENS BE PRESIDENT?

    asked by ethan
  165. science

    What is the meaning of cell structure because i can't find the meaning anywhere.

    asked by saiyda
  166. math

    Let the Function a @ b be defined as 3a + 2b for all real numbers a and b. If u and v are real #'s for which u and v = v @ u = 20. What is the value of 2u @ 3V?

    asked by Carmianerlo
  167. physics

    a red car and a green car, identical except for the color, move toward each other in adjacent lanes and parallel to an x axis. At time , the red car is at and the green car is at . If the red car has a constant velocity of 20 km/h, the cars pass each other

    asked by Sean
  168. shapes

    if i had just a regular triangle and then it turned 90 degrees how would it look

    asked by david
  169. English

    is the following question using a regular or irregular verb and why 6a. I lay my book on the table, but now I cannot find it. 6b. I laid my book on the table, but now I cannot find it.

    asked by Heather
  170. English

    Which statment is the correct verb form and verb tense and why 8a. Since American Idol premiered on television, many talented contestants have appeared on the show. 8b. Since American Idol premiered on television, many talented contestants appeared on the

    asked by Heather
  171. spanish

    what does Llevas uniforme a la escuela? mean

    asked by ASHLEY
  172. math

    how do you change the equation of 2x+y=-5 into a linear equation and then find the slope and y-intercept?

    asked by Amber
  173. English

    Which is the pronoun case and why 19a. Please send an invitation to Bob and she. 19b. Please send an invitation to Bob and her.

    asked by Heather
  174. English

    Which is a pronoun case and why 20a. My best friend and I are going to Hawaii this summer. 20b. My best friend and me are going to Hawaii this summer.

    asked by Heather
  175. English

    Which is the correct vague pronoun and why 25a. Air pollution normally increases along with population growth. This increasing pollution is a big problem for many cities. 25b. Air pollution normally increases along with population growth. This is a big

    asked by Heather
  176. business and society

    Post at least 2 challenges that many companies face in the areas of ethics and 2 challenges in the area of social responsibility. What exactly is management's role in addressing each of these issues? Is ethics standard way of getting things done im

    asked by brittany
  177. biology

    What role, if any, do you think people must play in preserving those regions threatened by human encroachment

    asked by Rensas
  178. College Accounting

    What are the advantages and disadvantages of going to college directly after high school?

    asked by Lynne
  179. Math

    The movie with the biggest opening weekend in 1998 was Toy Story 2 with opening weekend receipts of $39.4 million. In 2002 the movie with the biggest opening weekend was Spider-Man with opening weekend receipts of $114.84 million. What was the percent

    asked by Kayla
  180. College Accounting

    What are the advantages and disadvantages of getting some work exparience before going to college?

    asked by Lynne
  181. College Accounting

    What is your own personal "starting point" in terms of past schooling and work experience?

    asked by Lynne
  182. chemistry

    Is hexane and ethylene chloride miscible? Why?

    asked by Josh
  183. English

    I was wondering if it was possible for you to read my essay and critique it and correct any grammar errors. I haven't written an essay in a long time, so it took me a while to come up with this. I read through my essay many times and I do hear that it

    asked by S
  184. 5th grade

    what is the square root of 2

    asked by dmoney
  185. Algebra

    Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 40 miles per hour and train B is traveling at 60 miles per hour. Train A passes a station at 5:25 A.M. If train B passes the same station at 5:37 A.M, at what

    asked by Tim
  186. Accounting

    Help with Crosby Corporation? Can you please help me. I am completly stuck. Prepare a statement of cash flows for the Crosby Corporation. Follow the general procedures indicated in Table 2–10 on page 38 . Statement of cash flows (L04) Current Assets

    asked by Marla
  187. Science

    What affect do clouds have on humans? I have a science project to do.

    asked by kool
  188. Biology

    I don't understand how to do this at all!! I've been Googling the past hour and I just don't get it. My teacher won't respond and my exam is tomorrow. I get that we cleave with an acid and then we can do amino acid analysis. The entire protein can be

    asked by Zoe
  189. math

    four times the larger number of two numbers is equal to seven times the smaller.the sum of the numbers is 22.find the numbers

    asked by daniel
  190. math

    when you have a equation such as x+6=y is the slope a 0 or a 1

    asked by Jen
  191. chemistry

    what is the difference between the real gases and the ideal gases ???

    asked by Mota
  192. sum fun (math)

    find a quick and easy method to compute the sum of the first 100 counting numbers (no calculators allowed)

    asked by Jenny
  193. 9th grade

    a cube has a side that is (5x-3)centimeters long.a.what is its surface area?b.if x=3,what is its surface area

    asked by leona
  194. L.A.

    I'm doing quite a difficult crossword puzzle. one of them is "a young boy". so far i've figured out that the 2nd letter is an "a" and the last letter is a "t". come on you crossword puzzle lovers! Let's have some help :)

    asked by John
  195. Public Speaking

    what is the key of organizing your speech material?

    asked by Bryan
  196. Calculus

    Find the average value of the function on the given interval: f(x)=cos(16x), [0,pi/2] The answer I got is 1.

    asked by <3
  197. Physics

    You blow a whistle of frequency 769 Hz, as you move towards a wall. The frequency of beats you hear from the whistle and the reflected sound is 11 beats/s. How fast are you moving towards the wall? Give your answer in m/s and to two significant figures.

    asked by Blow a Whistle
  198. Algebra

    How would you solve this problem: Slove y=1/4-1 if the domain is(-4,-2,0,2,4) Could someone please explain to me how to do this? Thank You in advance for your help!

    asked by brooke
  199. HSM210

    Can someone please help me to start answering this question. I have been working on it since 6pm yesterday and it is now 3:50 am. I don't know where to begin . Also, did I match the sentences correctly with the correct type of prevention for the sentence ?

    asked by April
  200. businen stady

    You are required to research and identify the stakeholders in the 'third runway at Heathrow row'. Your answer should be in the form of a short essay of at least 300 words and should show the interest of the stakeholders. Hint: The government has given the

    asked by fahad
  201. 3rd

    P divid 5=12 ________=P? I'M NOT SURE ON THIS PROBLEM? THANKS!

    asked by pat
  202. 7th grade

    The height of the florida tree is 11 feet and the height of the white oak is 96 feet. The height of the Florida Tree is what fraction of the height of the White Oak?

    asked by Amber
  203. State and Local Government

    Do you think as a legislature, would you be a delegate or trustee? Explain. Do you think non-partisan commissions should handle reapportionment? Why do you believe that competition in legislature elections is declining? Serious reponses please. Thanks in

    asked by Mimi
  204. Math

    Solve the following equation by factoring: 6(p^2-1)=5p

    asked by Mercedes
  205. french

    Can someone help me correct these phrases? Avant que j'ai choisi qu'école a laquelle... I wanted to say 'Before I chose the school where....'

    asked by Dina
  206. PHI

    What role does justice play in post-colonial philosophy?

    asked by Anonymous
  207. Religion

    what is the sacred potpourri in the Jewish religion? It's a religious item.

    asked by AL 87
  208. french

    Can someone help me correct these phrases? Avant que j'ai choisi qu'école a laquelle... I wanted to say 'Before I chose the school where....'

    asked by Dina
  209. french

    Can someone help me correct these phrases? Avant que j'ai choisi qu'école a laquelle... I wanted to say 'Before I chose the school where....'

    asked by Dina
  210. Geometry

    Construct a truth table ~p^q. How do we find this if we don't know what the p or q is???

    asked by Ralph
  211. READING

    If an author is skillful at representing the point of view and attitudes of a hobo, a nurse, a corporate CEO, and a variety of other diverse characters, the author is demonstrating

    asked by Anonymous
  212. communication

    does it really take a crisis in someone's life in order for them to change? What do you suppose is the 'tipping point' at which we find ourselves ready to confront one thing or another

    asked by linda
  213. commmunication

    what is going on when one see's in his or herself something that they need to change, but they make the decision not to do so? How does this happen?

    asked by linda
  214. spelling

    four letter word for legs? must be a plural and start with f.

    asked by janie
  215. spanish

    can anyone help me? boligrapho?

    asked by kool4life
  216. Math

    What is the expected value of one of 700 tickets in a raffle for a price of $1400? Would that be 2 dollars

    asked by Rmz
  217. French

    Could you check these please thanks Part 1 Directions: Exprimez d'une autre façon. 1. composer le numéro Answer: faire le numéro 2. donner un coup de fil Answer: faire un appel 3. introduire (une télécarte dans la fente) Answer: mettre la télécarte

    asked by Lisa
  218. statistics

    If a researcher were studying the effects of a teaching method on patient learning outcomes, how does the research question need to be worded to use a t-test to test for statistical differences? What type of data needs to be collected and why?

    asked by Trisha
  219. Statistics

    Considering that a researcher can test at the

    asked by Trisha
  220. Wrld Hst

    Why did the Spanish empire decline in the 1600's? thanks:)

    asked by Rebekah
  221. english

    why was shakespeare so im!@#$%^&t?

    asked by kristen
  222. Math

    What is the GCF of 44 & 88?

    asked by Cameron
  223. U.S History

    HWy did the Americans begin to settle in the Southwest?

    asked by Keyshia
  224. math

    How many 4-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7 if repetition of digits is allowed? Would that be 840

    asked by Rmz
  225. Math

    what is the GCF for 26 & 104?

    asked by Cameron
  226. science

    Vesicles that will tmnsport matedals out of the cell are fomed at the _??

    asked by izi
  227. computer

    Write code in HTML to create a application form

    asked by nitin
  228. math

    How do I solve: write 45.6 as a percent and a fraction in simplest form.

    asked by Kyle
  229. cheristin school

    9x8x7x6x5=

    asked by trevor
  230. math

    Explain in your own words why the line x = 4 is a vertical line.

    asked by Kimberly
  231. talcott

    mario was on a 21-mile hiking trail. he walked 3/7 of the trail before stopping for lunch. how far did he walked before lunch? explain your answer.

    asked by rebecca
  232. Math

    A small business decides to lower the salaries of its employers by $8,250 over a year. To do this, all of the 15 employeers will have their salaries reduced by equal dollar amounts for the year. What is the pay-cut of each employee over the year? Answer is

    asked by Brian
  233. math

    name each quadrilateral-paralelogram,rctangle,rhombus,square #7.it is equilateral #8.the diagonals are congruent #9.it can contain obtuse angles #10.it contains no acute angles

    asked by antonio gats
  234. math

    Evalute: -1/3+2/3(1/2-1/3) what are the steps involved with this problem? thanks

    asked by Bill
  235. coding and billing

    what is the v code for female twins delivered in hospital?

    asked by eveleen
  236. Unit of inquiry

    hi im a 3rd grader and my question is that what jobs are there in a print factory? please reply soon because it is for tommorow.

    asked by Luvena
  237. Statistics

    Please post your response in this question here is my original question that didn't get answered. h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 4 5 5 3 7 3 0

    asked by Kate
  238. social studies

    what was the nick name for the soilders in the world war 1

    asked by maria
  239. accounting

    WHAT DOES SUPPRESS BALANCE SHEET NET INCOME FOR COMPARATIVES MEAN?

    asked by Anonymous
  240. physics

    a bike racer is riding on his new bike at silverstone. The track is 4km long. What is his average velocity over one lap?

    asked by Lucy
  241. english

    I need to know if this is a good narrative paragraph on sharing the telephone. Saturday morning Hailey and Melissa wanted the phone at 7oclock. I quickly told them that it was too early to call someone. After Hailey and Melissa started to argue, Melissa

    asked by deborah
  242. critical thinking

    identify and classify the different fallacReprinted from "Animals Hold the Key to Saving Human Lives," Los Angeles Times, February 5, 1996, by permission of the author. Dr. Joseph E. Murray, a Nobel laureate, performed the first human kidney transplant in

    asked by barbara
  243. psychology

    Which of the following statements is false? A. Childhood psychopathology is relatively common occurrence. B. Most childhood problems and disorders remit by the end of childhood. C. Children today face greater stressors than they did in the past. D. Young

    asked by Nia
  244. algebra

    give an example of a number that is a integer, but not a whole number

    asked by mitch
  245. social studies

    What was Willson's plan for peace?

    asked by maria
  246. HSM210

    I have re done my assignment . Can someone check to see if I have answered theses correctly ? Also, how would I start to answer to question at the bottom of the page ? This is very confusing to me. Scenario 1: Violence Prevention in a High-Risk Community

    asked by April
  247. history

    3) what was the Roosevelt Corollary?

    asked by selena
  248. algebra

    Simplify 5-3(x-1) what are the steps?

    asked by Nick