Questions Asked on
May 12, 2010

  1. intermidate alegebra

    ac Method 15t^ -17t-4 ac=15*4=60 This the ac Method can you help me finished this problem

    asked by JJ
  2. chemistry

    the reaction between CV+ and -OH, is CV+ lewis acid and OH lewis base

    asked by bme1
  3. statistic

    Let's assume there are 3 people in Room A and another 3 people in Room B. The ages of the people in Room A are 25, 25, and 25. The ages of the people in Room B are: 10, 25, and 40. The mean of the ages in both rooms is 25. Does that mean that both room

    asked by carol
  4. PHYSICS

    A 4.00 µF capacitor is connected to a 18.0 V battery. How much energy is stored in the capacitor? This should be a relatively easy problem yet, I can't get it. Isn't it just E=.5*C*V^2

    asked by Physics
  5. math's

    Solve for this 5x^3-13x^2+4x-9 ---------------- 7x^2+2x- 11

    asked by rima
  6. calculus

    a 100 pound collar slides on a frictionless vertical rod. find the distance y for which the system is in equilibrium if the counterweight weights 120 pounds.

    asked by Nancy
  7. calculus

    a toy wagon is pulled by exerting a force of 15 pounds on a handle that makes a 30 degree angle with the horizontal. find the work done in pulling the wagon 50 feet.

    asked by Nancy
  8. English

    In Homer Odyssey - According to Odysseus what is the cause of the doom he and his men face on the Island of Cicones?

    asked by Mark
  9. Trigonometry

    In this problem, you will describe in detail how we arrive at the accepted definition of the function y= Arccsc(x) a) Sketch the cosecant function over the interval (-2pi, 2pi) i can do that b) This function is not one to one - please explain in detail the

    asked by Jake
  10. business law

    "Drug use is information that is rightfully private and only in exceptional cases can an employer claim a right to know about such use." "Drug use is information that is rightfully private and only in exceptional cases can an employer claim a right to know

    asked by Anonymous
  11. science

    a large fiberglass tank was placed in a pit, before pipes could be attached and the tank filled with gasoline, the workers were asked to move the tank to another location. which of the following suggestions would be the best way to raise the tank off the

    asked by kayci
  12. english

    I need a description of a major theme from The Robber Bridegroom by Eudora Welty, please please please. -Preferably the theme with "Jamie Lockhart is the bandit of the woods. And the bandit of the woods is Jamie Lockhart" Thank you!!!

    asked by Susana
  13. 11th Grade Maths

    The difference between the two acute angles of a right- angled triangle is 2 π/5 radians. Express the angles in degrees. I’ve multipled 2 π/5 * 180/ π and got the result 72 degree But the answer is 81 degree and 9 degree. Please explain me!!!

    asked by Akash
  14. Area in Polar Coordinates

    Find the area it encloses. r = 5cos(θ)

    asked by Mike
  15. Chemistry

    What does it mean to say that a solution is saturated with a solute? (Select all that apply.) a) A solute that is at equilibrium with undissolved solvent. b) A solvent that is at equilibrium with solute. c) A solution contains the maximum amount of solvent

    asked by Michael
  16. psych

    Evaluations of a particular belief, person, object, or idea describe a person's : a. Attudes b. Motivation c. Predispositions d. Biases

    asked by Ree
  17. Physics

    design an experiment to verify that T is derctly proportional to sqare toot of lenght of the pendulam. (pendulam investigation)

    asked by secret
  18. Science

    Antoine constant for saccharose

    asked by Purwanti
  19. life science

    An organism's ability to maintain steady internal conditions despite changes in its external environment is called biogenesis homeostasis osmosis respiration In an organism, a virus enters, and reproduces within, a(n) host cell infection interferon

    asked by joe
  20. biology

    how important are test crosses to mordern day science

    asked by imms
  21. Chemistry

    (1) Why are fractional coefficients permitted in a balanced thermochemical equation? In thermochemical reactions, only small amounts of matter are considered. If fractional coefficients were not used, the scale of the reaction would be excessively large.

    asked by Zacky
  22. Chemistry

    Select the two conditions that must be met by a thermochemical equation so that its standard enthalpy change can be written as ÄfH°. a) One mole of each reactant is used. b) All substances are at 0°C and 1.013x105 Pa pressure. c) The reactants are found

    asked by write2khin
  23. Chemistry

    1. How much heat in kilojoules is needed to bring 2.00 kg of water from 27.7 to 82.6 ¡ãC (comparable to making four cups of coffee)? 2. Consider the reaction: CH4(g) + 2O2(g) ¡ú CO2(g) + 2H2O(g) Use data in table below Compound S¡ã, J¡¤mol-1¡¤K-1

    asked by write2khin
  24. Math

    Mrs Allen spends 3/5 of her money at the grocery store. Next she spends 3/5 of her remaining money at the petrol station. She then has $8.00 left. I know the answer is$50 but i don't know how to explain it!!!

    asked by Beatrice
  25. Math

    Mrs Allen spends 3/5 of her money at the grocery store. Next she spends 3/5 of her remaining money at the petrol station. She then has $8.00 left. I know the answer is $50 BUT I need to explain why its right please explain on a yr 7 level would be helpful!

    asked by Allysa
  26. Chemistry

    If an amount of heat q is applied to an object and its temperature changes by ÄT, the amount of heat that must be applied to change the temperature by 10ÄT is

    asked by write2khin
  27. chemistry

    for Fe + V2O3 -----> Fe2O3 + VO write the two half reactions and calculate voltage

    asked by Anna
  28. Physics

    a pendulum has a bob of 0.20kg and is suspended by a string of negligible mass near the earth's surface. the pendulum is displaced from its equilibrium position by the angle of 8.0 degrees. it passes the equilibrium position 0.50 s after being released.

    asked by secret
  29. 5th grade

    what is the antonym of/for guilty?????

    asked by Anonymous
  30. calculus

    a circle of radius 1 rolls around the outside of a circle of radius 2 without slipping. the curve traced by a point on the circumfarence of the smaller circle is callled an epicycloid. use the angle theta to find a set of parametric equations for this

    asked by Nancy
  31. algebra

    What should you say if you see a tall wrought-iron tower in paris, france?

    asked by Bob
  32. Chemistry

    How many grams of lithium nitrate, LiNO3, are required to prepare 3.00 × 102 mL of 2.00 × 10–1 M solution?

    asked by Chris
  33. algebra

    A theater group made appearances in two cities. The hotel charges before tax in the second city were lower than in the first. The tax on the hotel bill was in the first city and in the second. After the trip, the total tax paid on accommodation expenses

    asked by Anonymous
  34. HEALTH

    TWO LETTER WORD FROM EDCIRLUSEEAM RELATING TO HEALTH CARE WEEK

    asked by MEGAN
  35. chemistry

    what is the ration of water drops to EDTA (ethylenediamene tetraacetic acid) if 3 drops of EDTA was needed to change the color of 20 drops of water with known hardness?? a. 0.15 b. 1.0 c. 4.0 d. 6.7 am I missing something huge here??

    asked by alex
  36. chemistry

    what is the ratio of water drops to EDTA if 2 drops of EDTA was needed to change the color of 20 drops of water with unknown hardness? a. 10 b. 5 c. 0.1 d. 1.0

    asked by alex
  37. Algebra

    write the solution in interval notation x

    asked by Anonymous
  38. Algebra 1

    solve -14 less than or equal to 4x+2 and 4x+2

    asked by Anonymous
  39. Algebra 2

    Solve: -8

    asked by Anonymous
  40. Chemistry

    Ammonia, NH3, and oxygen can be reacted together in the presence of a catalyst to form only nitrogen(II) oxide and water. The number of moles of oxygen consumed for each mole of NO that is produced is?

    asked by Chris
  41. Algebra 3

    Solve: -7 less than or equal to 3x-6 less than or equal to -1

    asked by Anonymous
  42. Algebra 4

    Determine whether the ordered pair is a solution (-8,3);8x+y,-2

    asked by Anonymous
  43. Chemistry

    C3H8 + 5O2 3CO2 + 4H2O How many grams of oxygen are required to burn 7.0 g of C3H8?

    asked by Chris
  44. Chemistry

    A sample of an oxide of antimony (Sb) contained 25.0 g of antimony combined with 8.2 g of oxygen. The simplest formula for the oxide is?

    asked by Chris
  45. Chemistry

    A clear colorless liquid in an open beaker was heated to boiling. The liquid began to boil at 110°C, and as vapors escaped, the temperature of boiling gradually increased to 115°C, at which the heating was stopped. On the basis of this information, we

    asked by Chris
  46. Chemistry

    Sulfur trioxide, SO3, is made from the oxidation of SO2, and the reaction is represented by the equation 2SO2 + O2 2SO3 A 25-g sample of SO2 gives 18 g of SO3. The PERCENT YIELD of SO3 is?

    asked by Chris
  47. math

    What is the line of thought or sequence of thought for solving simple algebraic expressions? When I'm asked to solve the expression (5k)k^3....first I check with my list of exponent rules, and there are always a few that could be used to solve the

    asked by Cliff
  48. Humanities

    Sung dialogue in which the singer has accompaniment in the form of light chording is called?

    asked by Kurt
  49. Chesitry

    Calculate the energy needed to melt 50.0 L of nitrogen (N2).

    asked by Simon
  50. algebra 5

    write the solution in interval notation x

    asked by Anonymous
  51. biology

    which cell is catalase more present in ? plant or animal

    asked by Mary
  52. math

    the parameter of a rectangular placemat is 72 in. the length is 4 in. find the with and the length

    asked by anna
  53. social studies

    what is the name of the problem that occurs when an area needs more water than it has

    asked by veronica
  54. Algebra Concept check

    1. Anna has 12 bills in her wallet, some $5 and some $10. The total value of the bills is $100. How many of each bill does Anna have? 2. Tripling the greater of two consecutive even integers gives the same result as subtracting 10 from the lesser even

    asked by Anonymous
  55. Chemistry

    A steel cylinder contains 128 grams of oxygen (O2) at 25*C and a pressure of 1000 torr. at STP 1 mol of a gas occupies 22.4 L. What is the volume in liters of the oxygen gas in the cylinder?

    asked by Dana
  56. history

    what was lee harvey oswalds motive for killing jfk thanks

    asked by looby lou
  57. trig

    if P(-4,1) is a point on the terminal side of angle (theta), in standard position, then what is the exact value of csc (theta)?

    asked by Courtney
  58. trig

    For the given equation, solve for all values of (theta) to the nearest tenth of a degree. 2secant(theta)+10=0

    asked by Courtney
  59. Trig

    Given 2secant^2 (theta) + 1 = 5 secant (theta), solve for (theta), to the nearest degree, in the interval 0 degrees is greater than or equal to (theta) which is less than 360 degrees

    asked by Courtney
  60. algebra

    help me solve the following using the elimination method: 6x+7y+2=0 and 7x-6y-26=0

    asked by Gwendolyn
  61. trig

    find, to the nearest degree, the solution set of 4 cos^2x-1=0 in the intervak between )degrees and 360degrees.

    asked by Courtney
  62. litureature

    According to the analyses of the stories you were asked to read, "A Pair of Silk Stockings" best represents literary

    asked by marie
  63. trig

    my last question was supposed to say 0 degrees instead of ) sorryyy

    asked by Courtney
  64. chemistry

    what is the ratio of water drops to EDTA if 2 drops of EDTA was needed to change the color of 20 drops of water with unknown hardness? a. 10 b. 5 c. 0.1 d. 1.0 please explain..

    asked by alex
  65. Math

    A pan of cold water with a temeprature of 35 degrees F is brought into a room with a temperature of 75 degrees F. After one hour, the temperature in the pan is 45 degrees F. a) Write a formula for the temperature (T) as a function of time (according to

    asked by Melissa
  66. Physics

    3.A certain radar installation tracks airplanes by transmitting electromagnetic radiation of wavelength 3 cm. a) Show that the frequency of this radiation is 10 GHz. b) Show that the time required for a pulse of radar waves to reach an airplane 5 km away

    asked by Anonymous
  67. chemistry

    if the ration of water drops to EDTA is 6.7 for the known sample and 10 for the unknown sample what is the concentration of the unknown sample? (The concentration of the known sample is 315 ppm) a. 150mg/L b. 210mg/L c. 280mg?L d. 320mg/L

    asked by alex
  68. science

    A substance seems to completely fill a container, but more can be forced in. Is the substance a solid, liguid, gas or none of these????

    asked by sue
  69. physical

    give a brief definition of the term physical education

    asked by Anonymous
  70. human growth and developmnet

    According to Carol Gilian's theory of how women define their identities,which one of the following response is most likely that of a woman asked to describe herself? A) I am a good wife,mother, and friend B)I am a hard-working and successful businesswoman

    asked by vedrana
  71. Algebra

    solve for h. d=1.2 square root h

    asked by Kim
  72. science

    If solid copper sulfate is mixed with water, what is formed? A mixture, a solvent, a solution or both a mixture and a solution?

    asked by sue
  73. chemistry

    in the lab there is a spill of 47.5mL of .500 mol/L Al(OH)3. How many grams of H2SO4 would be needed to neutralize the spill.

    asked by k
  74. Math

    How many ways can 6 cars line up is it 6 X 6 is it 6 squared?

    asked by Cooper
  75. algebra

    ln(x-5)+ln(x+4)=ln36

    asked by Celest
  76. mathematics

    1. area of a triangle having autitude=7 cm and bass= 4 cm is : ??? 2. supplimentry angle of 84: ?? 3. a boy is asked to run 12 times around a rectangular field measuring 35m by25m find the total distance boy ran. Thanks

    asked by rebecca bhutto
  77. Math

    Please help, I need to write down the complete solution for the equation x^2 -3x+0 So far I have added 3x to both sides giving x^2 =3x Now I am a little stuck! Any help would be very much appreciated

    asked by Sam
  78. Algebra

    Hi, I have had to factorise the equation x^2 + x - 30 = 0, which I think I have worked the answer out as x =-6, x =5? I now need to explain how I can use this answer to solve the equation 4x^2 +4x -120 =0 Any advice?

    asked by Trevor
  79. chemistry

    15.0 g of Potassium metal is dropped into 50.0 ml of a 1.50 mol/L solution of H2SO4. what is the mass of gas given off during the reaction?

    asked by k
  80. algebra concept 1

    1. Anna has 12 bills in her wallet, some $5 and some $10. The total value of the bills is $100. How many of each bill does Anna have?

    asked by Anonymous
  81. algebra concept 2

    2. Tripling the greater of two consecutive even integers gives the same result as subtracting 10 from the lesser even integer. What are the integers?

    asked by Anonymous
  82. Chemistry

    The element niobium has bcc packing with a body-centered cubic unit cell. The volume of the unit cell is 3.59 x 10-26 L. Calculate the density (g/cm3) of the element

    asked by Anon
  83. french

    For this writing assignment, you are going to see words out of order and perhaps not in the correct form you will need for the sentence. Make a correct sentence using all elements that you are given. 1. être/monsieur/grand/mince/et 2. et/petit/être/la

    asked by Greiye
  84. math

    The angle of elevation of a 15-ft ladder is 70°. Find out how far the base of the ladder is from the wall.

    asked by kristi
  85. math

    A diagonal is drawn in a 12-in. square floor tile. Find the sine, cosine, and tangent of the angle formed by the diagonal and a side.

    asked by kristi
  86. math

    A gutter cleaner wants to reach a gutter 40 ft above the ground. Find the length of the shortest ladder that can be used if the steepest angle at which it can be leaned against the house has measure 75°.

    asked by crystal
  87. Chemistry

    Why does woo burn more rapidly in a fireplace that has a good draft of air?

    asked by Marge
  88. math

    You have 700 dollars in your bank account. Suppose your money is compounded every month at a rate of 0.5 percent per month. (a) How much do you have after t years. (b) How much do you have after 100 months

    asked by Anonymous
  89. math

    You have 700 dollars in your bank account. Suppose your money is compounded every month at a rate of 0.5 percent per month. (a) How much do you have after t years. (b) How much do you have after 100 months

    asked by Anonymous
  90. LAL!

    what is the conjuction in this sentence is it correlative or coordinating Ryan is wearing a green shirt, for that is his favoite color

    asked by Sara!
  91. Ms Sue -- Welcome back

    hope you had a great trip

    asked by Reiny
  92. LAL!

    are these complex sentence. if it is complex, and are the subordinate clause right are these right? the subordinate clause are in capital letters 1-IN THE 1950S the giants were the national league team from new york.( COMPLEX) 2- fans argued all the time

    asked by Sara!
  93. 9th grade

    find the slope of the line? (-1/2, 2/3) and (3/2,14/3)

    asked by marie
  94. Chemistry

    What is the concentration of 35.00 ml of KOH when it requires 115.00 ml of 0.75 M H2SO4 to neutralize it?

    asked by hi!
  95. Chemistry

    My teacher has us doing a virtual Titration lab on sciencegeek site but never demonstrated a Titration Lab so I really don't undestand it. We have to identify five unknown acids according to how much [H+} of acid is in each solution. We had the choice of

    asked by Shelley
  96. Literature (Antigone)

    Creon had to make a decision about honoring the state or honoring the gods. What are the reasons for honoring the state and the reasons one should honor the gods.

    asked by Keney
  97. chemistry

    How many moles of NaOH are contained in 100.0 mL of 3.00 M NaOH? /

    asked by Carnetta
  98. Chemistry

    How many kilojoules of heat are required to melt a 10.0 g popsicle at 0 degress C? Assume the popsicle has the same molar mass and heat of fusion as water. Could someone tell me what equation to use to solve this or the steps? Thank You.

    asked by Anonymous
  99. Chemistry

    1. How much heat is absorbed when 63.7g H(small 2)O [water](l) at 100 degrees C and 101.3 kPa is converted to steam at 100 degrees C? Express your answer in kJ. Is there an equation? 2.How much heat (in kJ) is released when 0.677 mol NaOH(s) is dissolved

    asked by Anonymous
  100. medical

    What are positive and negative ramifications of discounted fee-of-service arrangements

    asked by Rita
  101. LAL! -_-

    adjective clause are these correct clause in capital letter 1. robinson soon proved his worth in the face of the jeers THAT SURROUNDED HIM. it modifies jeers 2. insults THAT CAME FROM FANS AND OPPOSING PLAYERS surely must have hurt. it modifies insults

    asked by Sara!
  102. chem

    Calculate the ph of a buffer solution that is 0.10M in ammonia and 0.15M in ammonium chloride .kb for ammonia is 1.8*10^-5

    asked by lina
  103. stock market

    If i invested 10,000 on 50 stocks that were 210.93 each, then the price of each went up to 217.00 each. How much did I earn?

    asked by serena
  104. LAL! -_-

    label if each is essential or nonessential are these correct and which sentence needs a comma. 1. mickey was named after the catcher mickey cochrane who made it into the hall of fame ( nonessential) 2. mantle's father who worked in the lead mines had

    asked by Sara!
  105. math 5th grade

    how do simplify 7/2 long form

    asked by austin
  106. childcare

    the most fundamental principle behind learning is that children do what

    asked by tammy
  107. Chemistry-Dr. Bob

    I posted this response under your answer but I thought I would repeat it here just in case you didn't look back at the other one. I really appreciate you helping. When you go to science geek, you have to type in Shockwave/Titration to get the experiment.

    asked by Shelley
  108. math

    what is a fracture?

    asked by alex
  109. math

    which of the following numbers has the greatest value (-3.5), 12, the square root of 140, or the square root of -169

    asked by tamia
  110. spanish

    what is the conjugation for I listened He use to take I slept

    asked by kate
  111. Chemistry

    An equilibrium mixture at 852 K is found to contain 3.61 x 10^ - 3 mol/L SO3. Calculate the equililbrium , constant , keq for the reaction where SO2 an O2 are reactants and SO3 is the produce.

    asked by Ana
  112. Science

    If you cut the root of a plant it would die. Why?

    asked by Danielle (7th grade)
  113. chemistry

    How do you calculate the energy change required to take 45g of water vapor at 126 degrees C to ice at -25degrees C?

    asked by kim
  114. Science

    Create a limerick about the 3 parts of a plant.

    asked by Danielle (7th grade)
  115. algebra

    x^+2x^-5x-6/x+3= x+x-6 is this right, please help with this question

    asked by Ashley
  116. human growth and developmnet

    Which one of the following adolescents would be most vulnerable to peer influence A)Gracie who is alone at home after school B)Thomas who is alone at home after school C)Tania,who hangs out with friends but calls her mom to let her know where she is

    asked by vedrana
  117. LAL!

    is always a linking verb

    asked by Sara!
  118. physics

    Hi, How can you charge an electroscope negatively? Is it by using a positively charged rod? Can someone please help me? Thank you :)

    asked by gaveen
  119. LAL!

    how do you know when you have to add a comma to a subordinate clause

    asked by Sara!
  120. 7th grade

    only three words in standard English begin with the letters ' dw' and they are all common words. name two of them.

    asked by taylor
  121. math

    The owner of a candy store packs all of the sweets from a box into packets of 9, 12, 18 sweets . a. what is the smallest number of sweets a box must contain if no sweets are to remain after packing? b. There are 180 sweets to be packed. what is the largest

    asked by guitarman
  122. LAL! -_-

    where would this relative pronun fit in this sentence allegedly, eight players took money to lose the world series. they were members of the chicago white sox. (WHO)

    asked by Sara!
  123. Physics

    Two clouds each have a charge of 1*10^7C. If these clouds are 8.2*10^11m apart, what is the magnitude of the electric force between them?

    asked by brandon
  124. math

    Two adjacent sides of a rhombus are represented by 5x+7 and 6x-1. Find the value of x

    asked by kaylee
  125. chemistry

    Ammonia, NH3, is used as a refrigerant. At its boiling point of -33ºC, the enthalpy of vaporization of ammonia is 23.3 kJ/mol. How much heat is required to vaporize 125 g of ammonia at -33ºC?

    asked by b
  126. LAL!

    IS THE VERB ALWAYS i always shower

    asked by Sara!
  127. physics (electric charges)

    Hi, How can you charge an electroscope negatively? Is it by using a positively charged rod? Can someone please help me? Thank you :)

    asked by gaveen
  128. Chemistry

    Why does wood burn rapidly in a fireplace that has a good draft of air? is this answer correct Wood burns in a fire place that has good draft of air. This happens because when there is a good draft of air, they;ll be a higher concentration of Oxygen gas

    asked by Marge
  129. Finance

    You are provided the following information on a company. The total market value is $40 million. The capital structure, shown here, is considered to be optimal. Accounting Value Market Value Bonds, $1000 par, 6% coupon, 6% YTM $10,000,000 $10,000,000

    asked by Lakisah
  130. geometry

    find the distance around this garden 4 ft 36 in 7 ft 7 yds

    asked by norma
  131. science

    you observe a high tide at 3:00 a.m. If it takes about 6 1/4 hours for the tide to change from hight to low, whic of the following statements is correct? A. The next low tide will be at 9:15am B. The afternoon low tide will be at 3:30 p.m C. The evening

    asked by kayci
  132. 6th grade

    What is the surface area of a rectangular prism with the numbers 15 26 9 12?

    asked by Nicole
  133. science

    The earth wobbles slightly on its axis. which of the following earth processes might best account for these changes in earth's rotation? 1)underground nuclear explosions 2)population increases 3)variations in rainfall and river flooding 4)motion of

    asked by kayci
  134. LAL!

    what kind of tense are these verbs 1. doesn't know 2. seems 3.wrote 4.had caught

    asked by Sara!
  135. British Literature

    Could you help: Compare and contrast Beowulf's speech with Sir Gawain's speech.

    asked by Karen
  136. SCIENCE

    The tracks of the astronauts who landed on the moon are still there in the dust and show no signs of being worn away. This is attributed to the lack of atmosphere on the moon. Which of the following best accounts for the lack of atmosphere? 1)the moon's

    asked by kayci
  137. human growth and developmnet

    Delinquent and predelinquent teenagers tend to be "stuck " in ....... of Kohlberg theory of moral development.In this stage,delinquent teenagers are deterred from misconduct only by the threat of punishment and fear of getting caught A)STAGE 4 B)STAGE 3

    asked by vedrana
  138. physics (electric charges)

    Hi, How can you charge an electroscope negatively? Is it by using a positively charged rod? Can someone please help me? Thank you :)

    asked by gaveen
  139. science

    When substances such as sugar and table salt are dissolved in water, the freezing points of the new solutions are lower than the freezing point of water. Also, the more material dissolved, the lower the freezing point. The boiling points of these

    asked by kayci
  140. science

    When substances such as sugar and table salt are dissolved in water, the freezing points of the new solutions are lower than the freezing point of water. Also, the more material dissolved, the lower the freezing point. The boiling points of these

    asked by kayci
  141. 3rd grade math

    Double my tens digit to get my ones digit. Double me and I am less than 50. Who am I?

    asked by Pam & Hannah
  142. science

    i just want to know if my answeres are correct! A.The problem = the main issue or subject being in vestigated in the study B.a method=a procedure, process, or approach used to investigate the problem C.a finding=a proven result obtained as a part of the

    asked by kayci
  143. math

    a sock drawer contains 10 white socks, 6 black socks, and 8 blue socks. if 2 socks are chosen at random, what is the probability of getting a pair of white socks?

    asked by jane
  144. Math

    Use mathematical induction to prove that 5^(n) - 1 is divisible by four for all natural numbers n. Hint: if a number is divisible by 4, then it has a factor of 4. also, -1 = -5 +4 This is a take home test so I don't want the answer because I want to know

    asked by Help
  145. Ms. Sue-Hope u had fun!

    Welcome back Ms. Sue, I hope you had lot's of fun on your trip. :-)

    asked by Sara
  146. literature

    sentence with loveliness

    asked by Anonymous
  147. math

    you roll a fair number cube twice. what is the probability of rolling two 3's if the first roll is 5

    asked by jane
  148. Physics

    How many electrons make up a charge of -30.0 ìC?

    asked by Laila
  149. math

    cory drops a bouncing ball form a height of 50 ft and it rebounds to 90% of its previous height.find the total distance the ball will have travelled when it hits the ground for the fifth time

    asked by Dennis
  150. science

    which of the following is the best reason salt is sometimes spread on icy highways? 1) when a car drives on the ice, the firstion created between the salt and the ice produces heat that melts the ice. 2)when salt chemically reacts with the water, the heat

    asked by kayci
  151. science

    How can computers predict the outcome of an election soon after the polls but before all the votes have been counted?

    asked by Alex
  152. science

    when you use a graph to solve a problem about how far a car traveled during a specified time during which it was accelerating how many area calculations do you have to make? what is/ are the shape/shapes you are calculating? a. one area calculation, a

    asked by carrie
  153. Math

    Square Root of 5 plus 2 Square root of 2 over 4 minus the square root of 5 simplify

    asked by Andrew
  154. algebra

    What would the first 15 counting numbers for base two and base four bases?

    asked by Kristi
  155. Chemistry

    Calculate the [H3O+] when 1.65 grams of KOH are dissolved in 500.0 mL of solution

    asked by Amrita
  156. Science

    What You Call that Thing that is on top of the subway station were the whole dust and garbage is located on top of the train (where it passes through?????

    asked by Alisha
  157. math

    graph each inequality y

    asked by garret
  158. science

    When substances such as sugar and table salt are dissolved in water, the freezing points of the new solutions are lower than the freezing point of water. Also, the more material dissolved, the lower the freezing point. The boiling points of these

    asked by kayci
  159. science someone please check my answers

    i just want to know if my answeres are correct! A.The problem = the main issue or subject being in vestigated in the study B.a method=a procedure, process, or approach used to investigate the problem C.a finding=a proven result obtained as a part of the

    asked by kayci
  160. Biology 205

    Can someone please help me? In 1861, Louis Pasteur observed that when yeasts grow in a sugar and protein medium, completely free of air, they ferment vigorously; and for every gram of yeast that forms, 60 to 80 grams of sugar disappeared. If the experiment

    asked by Adam
  161. Science

    Why do different elements "glow" when excited?

    asked by Noah
  162. spanish

    does anyone know the story called " What ought a man to do on earth" It is from penn foster. Can I find it on the Internet if so where

    asked by Kay
  163. chemistry

    the reaction between CV+ and -OH, which is lewis acid and lewis base? lewis acid: CV+ lewis base: -OH is this correct

    asked by bme1
  164. MATHS !!!

    convert 3.22 mm into cm please

    asked by Andy
  165. chemistry

    what does it mean by in phase and out of phase for orbitals. Is in phase means that it's bonding and out of phase is antibonding?

    asked by eng
  166. SCIENCE/CHEM

    Bromine exists as a mix of bromine 79 and bromine 81 isotopes. an atom of bromine 79 contains: 35 prot.44.neutr.35 electrons 35 prot.and 35 electrons only 44 prot.44 elect and 35 neutr. 35 prot.79 neutr. and 35 electrons 79 protons 79 electrons and 35

    asked by Andy
  167. science /chem

    1250.37986 rounded to four significant figures is ??????

    asked by Andy
  168. SCIENCE/CHEM

    when the following equation is balanced , what is the sum of the co-efficients? AL2(SO4)^3+Ca(OH)2-->Al(OH)3+CaSO4

    asked by Andy
  169. Science

    What is the probable relationship between rebound centers and locations where ice accumulates? What is the probable relationship between rebound centers and thickness of ice in Canada?

    asked by Christopher
  170. SCIENCE/CHEM

    how many electrons can be contained in all orbitals with n=4??????

    asked by Andy
  171. math

    how to slove (2y+5)(y-3)

    asked by james
  172. Gr.11 BIOLOGY

    Indicate whether you agree or disagree with the following statement: “Cola drinks do not qualify as food.” Explain you answer.

    asked by NINI
  173. statistics

    A USU Today survey found that of the gun owners surveyed 55% favor stricter gun laws. The survey Involved 500 gun owners. Test the claim that a majority (more than 50%) of gun owners favor stricter gun laws. Use a .05 significance level.

    asked by Lynn
  174. math

    answer for (y+4)(5y-8)

    asked by ed
  175. SCIENCE/CHEM

    the volume of a sample of gas is 650.ml at STP. what volumes will the sample occupy at 0.0degrees celsius and 950.torr??? is it 650.ml?

    asked by Andy
  176. Algebra 1

    slove (8w+2)(w+5)

    asked by jorge
  177. chemistry

    Using data in table below and S °(CaSO4·H2O(s))= 194.0 J·mol-1·K-1, calculate ÄfS° for CaSO4·H2O(s) in J·mol-1·K-1.

    asked by write2khin
  178. SCIENCE/CHEM

    the purity of zinc is to be determined by measuring the amount of hydrogen formed when a weighed sample of zinc reacts with an excess of HCL acid.the sample weighs 0.198 grams. what amount of hydrogen gas at STP will be obtained if the zinc is 100% pure?

    asked by Andy
  179. Science-changes to a cell's DNA

    1.which section of the cell does cancer have an effect on? ~the genes controlling the cell division? 2.what charteristic of cancer cells lets cancer to extend to other spots of the body? ~Malignant tumours(metastasis)? 3.y r cancers that metastasize more

    asked by Sara
  180. 7th grade math

    A farmer grows 196 pounds of potatoes. He sells them to a grocer who divides them into 5 pound and 20 pound bags. if the grocer uses the same number of 5 pounds and 20 pound bags, how many bags of each did he use?

    asked by Chris
  181. chemistry

    Using data in table below and S °(CaSO4·H2O(s))= 194.0 J·mol-1·K-1, calculate ÄfS° for CaSO4·H2O(s) in J·mol-1·K-1. Compound S °, J·mol-1·K-1 C(s) 5.69 H2(g) 130.6 N2(g) 191.5 O2(g) 205.0 Na(s) 51.0 Cl2(g) 223.0 Ca(s) 154.8 S(s) 31.8 Anyone

    asked by write2khin
  182. reimbursement methodologies

    Could someone check my answers to see if they are correct. Any feedback would be greatly appreciated.. Mrs. Hall was admitted to the hospital for the first time this year on September 15. On September 25, she was transferred to a skilled nursing facility

    asked by Barb
  183. Physics

    A soccer player kicks a rock horizontally off the a 40 m high cliff into the pool of water. if the player hears the sound of the splash 3 sec., what is the initial speed given to the rock? Assume the speed of the sound in air to be 343 m/s.

    asked by Anonymous
  184. Chemistry

    hrdrogen peroxide, H2O2, can be placed on open wounds as in an antiseptic. When you do this, bubbling occurs because 2H2O-------> 2H2O + O2 However, H2O2 only decomposes slowly in the bottle. Why does the wound accelerate its decompostion

    asked by Z..........
  185. statistics

    A USU Today survey found that of the gun owners surveyed 55% favor stricter gun laws. The survey Involved 500 gun owners. Test the claim that a majority (more than 50%) of gun owners favor stricter gun laws. Use a .05 significance level.

    asked by Lynn
  186. chemistry

    you work for a company that makes ammonia,NH3, which is an important compund needed in the manufacture of fertilizers. Ammonia is produced by the following reaction: N2 + 3H2 -----------> 2NH3(g) on the basis of what you have discovered in this experiment,

    asked by Z..........
  187. math

    1.binomial 2.degree of monomial 3.monomial 4.perfect-square trinomial 5.standard form of polynomial A.a polynomial with two terms B.a polynomial in which the terms decrease in degree from left to right and there are no like terms C.a polynomial whith two

    asked by ed
  188. SCIENCE/CHEM

    Dr Bob Is it true that only TWO molecules of water are required to balance the equation for the reaction of HCL with Calcium Hydroxide.(calcium chloride is the other product....why??? Thanks andy

    asked by Andy
  189. math

    how do i find the area of a circle with a diameter of 2mi

    asked by karley
  190. chemistry

    summerize the factors which affect the rate of this chemical reaction. Will these factors affect all chemical reaction? explain your answer using collision theory.

    asked by Z..........
  191. math

    how do i find the area of a circle with a diameter of 2mi

    asked by karley
  192. English

    When I say, "I don't like milk." Should the person respond "me either" meaning, I don't like milk either? If they respond "me neither" isn't that a double negative? Thanks and I'm sorry. I'm sure I didn't type that question correctly.

    asked by Mary
  193. 12th grade

    The Swiss franc is selling for $.7681 and the British pound is selling for $1.6581. The cross rate between the franc and the pound is? I figured out 2.16 but I have so much scribling over it I cant now refigure it out with our gettting it correct again.

    asked by katrina
  194. BIO. LIFE SCIENCE

    IN GARDEN PEAS, THE ALLELE FOR TELLOW PEAS IS DOMINATE T OTHE ALLELE FOR GREEN PEAS. SUPPOSE YOU HAVE A PLANT THAT PRODEUCES YELLOW PEAS, BUT YOU DON'T KNOW WHETHER IT IS HOMOZYGOUS DOMINANT OR HETEROZYGOUS. WHAT EXPERIMENT COULD YOU DO TO FIND OUT?

    asked by DREW
  195. PHySics

    A 1.63 nF parallel-plate capacitor is charged to an initial potential difference ΔVi = 100 V and then isolated. The dielectric material between the plates is mica, with a dielectric constant of 5.00. (a) How much work is required to withdraw the mica

    asked by Physics
  196. BIO. LIFE SCIENCE

    THE OFFSPRING OF A CROSS BETWEEN A PLANT WITH PURPLE FLOWERS AND A PLANT WITH WHITE FLOWERS ARE 23 PLANTS WITH PURPLE AND 26 WITH WHITE FLOWERS. USE THE LETTER P FOR PURPLE AND p FOR WHITE. WHAT R THE GENOTYPES OF THE PARENT PLANTS.

    asked by DREW
  197. Management

    I am collecting ideas for the following question. Any help would be appreciated, thanks. Please give an example of good or bad management control based on your own experience.

    asked by Chen
  198. Math

    If a single letter is drawn from the set (m,a,t,h,e,i,c,s) what is the probability that the letter drawn is a member of the set (m,a,t,h)? PLEASE HELP!!

    asked by lisa
  199. Math/ Probability

    Please Help!!! A pair of dice are rolled and the sum on their upturned faces is recorded. WHat is the probability that the sum showing is 8, given that one dice is showing a 5?

    asked by lisa
  200. Math/ Probability

    Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the probability that both are spades if the first card drawn was a spade?

    asked by lisa
  201. Trigonometry

    Usa a right triangle to write each expression as an algebraic expression. Assume the referenced angle is theta, and x is positive and in the domain of the given inverse trig. function. Label the triangle. 1. sec^sq(tan^-1x) 2. sin(arccot x/(sqrt)1-x^2)

    asked by David M.
  202. Chemistry

    One of the questions on my worksheet asks: Litmus changes color between a pH of 5.5 and 8. This range is called.....BLANK. I don't really get what it wants me to put there--some help, please!

    asked by Alexa
  203. Chemistry

    For the lab we just did in class, one of the questions wants to know what the molarity of the NaOH is for each of the 'trials' of titration we did. The only problem with this is that the only number given to me was that of the amount we used! (11.29 mL for

    asked by Alexa
  204. math

    Suppose that an experiment has five separate mutually exclusive outcomes: A, B, C, D, and E. If the sample space for the experiment is a uniform sample space, what is p(a or e)

    asked by joe