Questions Asked on
September 25, 2012

  1. physics

    Two people pull as hard as they can on ropes attached to a 200 kg boat. If they pull in the same direction, the boat has an acceleration of 1.44 m/s2 to the right. If they pull in opposite directions, the boat has an acceleration of 0.518 m/s2 to the left.

  2. Physics

    A dart is thrown at a dartboard 2.37 m away. When the dart is released at the same height as the center of the dartboard, it hits the center 0.447 sec. At what angel relative to the floor was the dart thrown.

  3. physics

    1. Two identical 15.0 kg balls, each 25.0 cm in diameter, are suspended by two 35.0 cm wires as shown in the figure. The entire apparatus is supported by a single 18.0 cm wire, and the surfaces of the balls are perfectly smooth. Find the tension in the

  4. Chemistry

    How do you do the inverse of absolute temperature? My kelvin temperatures are: 298 308 318 328 338 348 358 368 378 Taking the natural log of both sides of both sides of the equation gives ln(k) = ln(A) – E/RT. Thus, a graph of the natural log of the

  5. math

    A rectangle is 4 inches longer than it is wide and has an area of 165 square inches. Find its dimensions

  6. Chemistry

    What is the hybridization of phosphorous in a P4 molecule

  7. English

    Write the correct singular possesive, plural form and plural possessive for each word: Witness Attorney Agency Child Notary Public

  8. Mathematics

    Tito Sanchez receives a weekly salary of $400. he also receives a 6% commission on the total dollar amount of all sales he makes. What must his total sales be in a week if he is to make a total of $790?

  9. economics

    If Sarah opens a savings account that has a yearly simple interest rate of 15%, how much would Sarah have total if she deposits $1500 at the end of the year?

  10. Chemisrty

    A mixture of 0.100 mol of N2 and 0.200 mol of O2 is collected over H2O at an atmospheric pressure of 750. mm Hg and a temperature of 22 ºC. What is the partial pressure (in mmHg) of O2 in this mixture? (Vapor pressure of water @ 22 ºC is 22 mm Hg)

  11. math

    number sense Fern rounded to the nearest ten to estimate 548-132 she subtracted 540-130 and got 410 Is Fern's estimate correct? Explain

  12. Math

    Three pigs entered a race around a track. Piggly takes 6 minutes to run one lap. Piglet takes 3 minutes to run one lap and it takes Wiggly 5 minutes to run one lap. If all three pigs begin the race at the same time, how many minutes will it take for all

  13. chemistry

    How many electrons are in the outermost principal energy level of an atom of nitrogen in the ground state?

  14. math

    it is a 6 digit number. there is no repetition of digits. It is divisible by 5 and is more than 3000,000. The digit in the hundreds place is 3 more than the digit in the ones place. The digit in the ten thousands place is 3 times the digit in the hundred

  15. english

    Locate the gerund or gerund phrase and identify its noun function in the sentence. I helped by preparing dinner. Is it preparing dinner and function is direct object?

  16. math

    I am a two-digit number less than 40. You say me when you count by fives. The sum of my digits is 7. What number am I?

  17. Physics

    A water balloon is thrown horizontally at a speed of 2.00 m/s from a roof of a building that is 6.00 m above ground. At the same instant the balloon is released a second balloon is thrown straight down at 2.00 m/s from the same height. Determine which

  18. BIOLOGY

    1.Which of the following principles is not part of Darwin's theory of evolution by natural selection? Individuals with the most favorable traits have the best chance of reproducing. More individuals are born than will be able to survive. Mutations are the

  19. English

    Which sentence contains a helping verb? A. The group of small children startled the ducklings. B. I walked to the movie theater. C. A small snake slithered across the yard. D. Sophia will be taking swimming lessons for the first time.

  20. chemistry

    How would you prepare 500 ml of a 1.8 M phosphate buffer (pH 6.8) containing 4.5 x 10-6 M CaCl2 and 52 mM sucrose?

  21. Chemistry

    Ok so reviewing my notes I also got 11,326.6 as the volume in ml. The density of water he wanted us to use was (0.9975) and I went from 1 gal of H2O = 3.785 liters = 3785 grams then multiplied by 3 giving me 11,355g H2O. The only other step I could come up

  22. Physics

    In a vertical dive a peregrine falcon can accelerate at 0.6 times the free-fall acceleration (that is at 0.06g) in reaching the speed of about 100 m/c. If a falcon pulls out of a dive into a circular arc at this speed and can sustain a radial acceleration

  23. History

    Comparing French, Dutch, and English colonies, which ones attracted the most settlers, and which the fewest? In what colonies were women scarce? What impact did these differences in emigration have on the various colonies development?

  24. Abnormal Psychology

    A ____ refers to a group of symptoms that occur at together more often than by chance. A. Disorder B. Cluster C. Syndrome D. Condition I think its C.

  25. math

    A sum of money is divided into two parts in the ratio 5:7. If the smaller amount is $200, find the larger amount

  26. math

    what is the difference between the two expressions below: -4squared (-4)squared can you please help, thank u

  27. chemistry

    10HI+2KMNO4+3H2SO4-5I2+2MNSO4+K2SO4+8H20 Find the mass of water produced when 300g HI reacts with 30 g KMno4 and excess H2So4. Find the mass of k2So4 produces 30 mL of .250 M KMno4 reacts with 400 mL .100 M HI.

  28. English

    Identify the verbal in the sentence below. Then, select the type of verbal. He will not allow the table to be moved.

  29. math

    Please give me an algebraic expression for this problem jasmine has three times as many chores as her younger brother does

  30. Physics

    A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes are W1 = 50.7 N, W2 = 32.1 N, and W3 = 28.6 N. Determine the magnitude of the

  31. English

    is this a good thesis statement for a paper about Dave Grohl from the Foo Fighters. In my paper i want to include the work he put into his career, controversy after Kurt Cobain's death and success of the foo fighters. this is what i have so far: Although

  32. Chemistry

    How can you calculate activation energy in (kj/mol)? When all that is given is inverse temperature, and natural log reaction constant? Inverse: 1/278 for Kelvin temp, 1/308 Natural Log Reaction Rate Constant: 4.3 5.5

  33. statistics

    A soft drink distributor was interested in examining the relationship between the number of ads (x) for his product during prime time on a local television station and the number of sales per week (y) in 1000’s of cases. He compiled the figures for 20

  34. physics

    A ball moving at a speed of 2.0 m/s rolls off a horizontal table. If the table is 1.2 m high, how far does the ball travel horizontally in m when it strikes the floor

  35. Chemistry

    Would Ti3(PO4)2 be titanium phosPHATE or phosPHIDE

  36. spanish

    need help unscrambling these letters to make a phrase first word is 3 letters second word is 6 letters and the last word is 15 letters. esosaaapahilbnoehstlsipn

  37. Ap Chemistry

    Re has two natural occuring isotopes 185 Re and 187 Re with an average atomic mass of 186.207 amu. Re is 62.60% 187Re and the atomic mass of 187Re is 186.956 amu. What is the mass of 185 Re

  38. PE

    what is the common objectives between science curriculum and PE curriculum ?

  39. algebra

    A canoeist can paddle 12 km upstream and 12 km back downstream in the same amount of time as she can paddle 25 km in still water. If the rate of the current is 2 km/hour, what is her rate in still water?

  40. physics

    to qualify for a race, a car must average 350 km/hr for four laps. If a driver averages 285 km/hr for the first two laps, what average speed must be achieved for the final two laps in order to qualify?

  41. math

    describe the largest pen area possible using the same amount of fencing in 6'X14' area. How do the perimeter and area compare to the pen above?

  42. Maths - Arithmetic Progression

    The fourth term of an AP is 8 and the sum of the first ten terms is 40. Find the first term and the tenth term.

  43. chemistry

    What is the valency and outer most electrons in scandium to zinc?

  44. Chemistry

    For the reaction below, when 216g of ICl3 reacts with 61.3g of H2O: 2ICl3 + 3H2O -> ICl + HIO3 + 5HCl a)which is the limiting reagent? b)how many grams of HIO3 are formed? c)how many grams of the nonlimiting reagent are left over?

  45. Math

    The value of the 4th digit number you made would change by how much if the digit is in the tens place were replaced by 9 . My number is 7653

  46. math

    There are 5 purple, 3 yellow, and 4 pink rocks in a jar. What is the chance of getting a purple rock if it was pulled out of the jar without looking?

  47. heat mass transfer

    Eskimos make double walled houses of blocks of ice.

  48. aed204

    top ten charactertistics of multiculturlal school

  49. statistics

    an urn contains 3 blue chips and 7 red chips. sequentially draw 3 chips without replacement. what is the probability that all drawn chips will not be the same color?

  50. math

    (-4-3n)*-8

  51. math

    an urn contains 3 blue chips and 7 red chips. sequentially draw 3 chips without replacement. what is the probability that all drawn chips will not be the same color?

  52. Math

    The mystery number's tens digit is less than the ones digit. The tens digit is less than the tenths digit. The tens digit is even. Its ones digit divided by its tens digit is 5. The product of two of the digits is 6 It has two odd digits. One of its digits

  53. Chemistry

    if you double the concentration of HCL acid, will that double rate of reaction? i have to explain in terms of the theory of collision. Wont doubling the concentration double the rate as well?

  54. math

    A pizza was cut into eight equal pieces.Jack eats 3 1/2 pieces. what part of the original pizza did he eat?

  55. Business

    Assume that WilyMarketer is running an email campaign to acquire new customers. It is considering two options: Option A would use a high quality rental list of 100,000 email addresses. Direct costs under this option would be the rental list at $250/m and

  56. Chemistry

    How to prepare a 750mL stock solution with a 0.40 M Na2S2O3.

  57. chemitry--- physical & chemical change---

    describe a physical change that appears to change chemically???

  58. math

    1. Rosa, Roberto, Andrea, and Inno find an estimate for the square root of 10. Who has proposed the best solution? a. Rosa: "Use the sqaure root of 9 and the square root of 25 to estimate." b. Roberto: "I will use the square root of 4 and the sqaure root

  59. math

    antonio likes to ride his bike. He can ride from his house to school in 5 minutes, from school to dj's house in 7 minutes, from dj's house to the mail in 6 minutes and from the mall to his house in 3 minutes. How long will it take Antonio to ride from

  60. physics

    shuffleboard disk is accelerated at a constant rate from rest to a speed of 6.0 m/s over a 1.5 m distance by a player using a cue. At this point the disk loses contact with the cue and slows at a constant rate of 3.5 m/s2 until it stops. (a) How much time

  61. Statistics

    The probability that a parent will visit a restaurant after kids game is know to be .68 and assumed the same for all parents. Assuming customer visits are independent and identical, determine the probability that 5 of 7 parents selected at random visit the

  62. Finance

    How can one invest today at the 2-year forward rate of interest? I) By buying a 2-year bond and selling a 1-year bond with the same coupon II) By buying a 1-year bond and selling a 2-year bond with the same coupon III) By buying a 1-year bond and then

  63. algebra 2

    PERFORM THE INDICATED OPERATIONS AND WRITE IN STANDARD FORM 27+(sq root-9)/3

  64. physics

    An 10g bullet leaves a gun at 800 m/s. What is the maximum distance that the bullet could reach? What is the height it reaches when the angle above the horizontal is 45 degrees

  65. math

    Make patterns with counters and tiles and then draw and color the pattern. What is counters and tiles?

  66. math

    find the shift and pick appropriate points. g(x)= -|x-1|+4

  67. physics

    Exactly 11 kJ of energy was absorbed by 1 mol of Cl2(g) at 298 K. What i s thefinal temperature of the Cl2(g)? The heat capacity of Cl2(g) is 25.635J.K-1.mol-1

  68. spelling

    what is the easiest way to memorize my spelling words?

  69. Math

    What compound polygon has 28cm and area 48 cm

  70. Physics

    Jada throws a rock horizontally from a bridge 32 m above the water, which hits the water approximately 25 m from a point immediantly below the bridge. Show that Jade's tossing speed was about 10 m/s.

  71. math

    One number is four times another. the greater number is x. write an ecpression for the lesser number.

  72. calc 3

    A pilot is flying a Cessna airplane at 180 mph (airspeed).He would like to fly in the direction N45W, but there is a 32 mph wind in the S60W direction.What direction should the pilot set his course for in order to fly along his desired track? What will his

  73. Math

    Find the value of s. S - 14 = 21

  74. math 2 trigonometry

    give me the solution from the top of a building the angle of depression of a point on the same horizontal plane with the base of the building is observed to be 60 degree what will be the angle of depression of the same point when viewed from a position one

  75. math

    cn you please help me a problem states that the sum of two numbers is 27. The numbers can be represented by x and 27-x. Is it possible to determine which is the larger number and which is the smller number. explain Thank u

  76. math

    ann has 2 1/3 meters of cloth.she used 5/3 meter for a dress.how much cloth remained?

  77. pre-ap physics

    how do i find the vertical and horizontal components of velocity?

  78. biology

    I am doing a project on Eukarya, Bacteria and Viruses where I have to explain why they are different. I know of their structural and reproductive differences but I am not sure about their uses or funtions. Please help!!

  79. math

    can u please help me 7r-(6r-5)= 7 thank u

  80. Science

    What is the composition of the troposphere?

  81. pre-ap physics

    how do i find the vertical and horizontal components of velocity?

  82. chemistry

    first task is to prepare 250 ml of 3 M glucose. Then You are preparing a solution and the recipe calls for 25 ml of 10% glucose. How much of the 3M glucose stock would you need to add to so that you are adding the same molar amount of glucose?

  83. chemistry

    -What volume of .500 M Pb(NO3)2 is required to react completely with 18.25 L of .625 M Na2SO4?

  84. physics

    Luke stands on a scale in an elevator which has a constant acceleration upward. The scale reads 0.964 kN. When Luke picks up a box of mass 18.2 kg, the scale reads 1.202 kN. (The acceleration remains the same.) Calculate the acceleration of the elevator

  85. chemistry

    -What volume of .500 M Pb(NO3)2 is required to react completely with 18.25 L of .625 M Na2SO4?

  86. Check my precalc?

    #1: f(x) = x^2-4x find vrtex, axis ofsym, y-int, x-int if any, domain, range, where increasing and decreasing. I got.... vertex: 2,4 axis of sym: x=2 D= (-infinity, infnity) range= [4,infinity) im stuck of the intercepts because when i plug i 0 for x i get

  87. Physics

    On some planet other than Earth a ball is thrown upward at a velocity of 22.3 m/s. It returns back to the exact position that it started at in 8.8s. What is this planets value for "g"? (

  88. History/ Social Studies

    How far was the US policy towards Europe between 1945 - 1952 based on self interest? What were the policies?

  89. History

    When was Williamsburg, VA founded? And I don't mean when it became the capital of Virginia, I mean when was it created. People keep saying different things, but I'm pretty sure that it's either 1633 of 1632. Please help me! This is for a project.

  90. English

    Which lines are characteristic of an elegy? A.(They came like shamefaced jackals, their shields / In their hands, to the place where the prince lay dead, / And waited for Wiglaf to speak.) B.(Too few of his warriors remembered / To come, when our lord

  91. math 3rd grade

    The question is show how the commutative property of addition works using 2,3,and 5.

  92. physics

    if ball is thrown upward with a initial velocity of 38.5 m/s and the maximum height of the ball is 74.1m. How long will it take the ball to reach it's maximum height

  93. mathematics

    given that (the square root)1,225 = 35, evauluate 250(to second power)

  94. chemistry

    Slater rules for calculeting sigma and Zeff

  95. physics

    A ball is dropped from the roof of a building. How fast is it moving after 4.6 seconds?

  96. reading

    In "The Adventure of Dying Detective" what is Mr. Culbertson Smith's motivation? A) To become Sherlock Holmes' partner B) To kill Sherlock Holmes so that he can get away with Savage's murder C) To frame Sherlock Holmes for Savage's murder D) To poison

  97. physics

    A ball is dropped from the roof of a building. How much time does it take to reach a velocity of 15.4 m/s?

  98. Physics

    A student drops a rock off a bridge. The rock has a mass of 5.81 kg. If the bridge is 48.7 m high, how much time does it take it to reach the water below?

  99. Differential Equations

    x dy/dx + y = 1/y^2, solve using bernoulli's equation. i got to du/dx + (2u)/x = 2x(u)^(-1/2). the u^(-1/2) is obviously a problem if im going to solve it using an integrating factor. if that is not what you yourself have gotten to then please show me my

  100. Physics

    A ball is thrown downward at 12.3 m/s. How much time does it take for it to reach the ground, 182.6 m below?

  101. chemistry

    Which of the following elements is synthetic? uranium iodine helium nobelium

  102. Physics

    In 1993, Javier Sotomayor set a world record of 2.43 m in the men's outdoor high jump. He is 193 cm(6ft 4in) tall. BY treating his body as a point located at half his height, given that he left the ground a horizontal distance from the bar 1.5 m at a

  103. math

    how many boxes can 372 be equally divided into?

  104. Physics

    The acceleration of gravity at the surface of a newly discovered planet is 5.2 m/s^2. An astronaut throws a rock straight up at 10.5 m/s on this planet. How high will it go?

  105. Calculus

    Find the curve's unit tangent vector. Also, find the length of the indicated portion of the curve. r(t) = (t)i + (2/3)t^(3/2)k, 0 less than or equal to t less than or equal to 8

  106. algebra

    How do I use the distributive property to write (e+f)(-5) as an equivalent algebraic expression?

  107. english

    how to write 24 september 2012 in 5 letters without using number?

  108. chemistry

    what is the minimum temperature needed to dissolve 60 grams of K2CR2O7 in 100 milliliters of water?

  109. math, solving equation

    x^3 + 4x^2 - 3x - 2 = 0

  110. english

    what is the complete and simple subject for "Valentine's day has a very interesting History."

  111. algebra

    Choose the equation in slope-intercept form for the line passing through each pair of points (1/2, 1) and 1, 5) y=1/8x+39/8 y=1/2x+9/2 y=2x+3 y=8x-3 (*)

  112. Pre-Algebra-math

    Mr.jones bought 20 yards of fencing to make pen for dog pen will be in rectangle shape, the fencing comes in 1 yard section, wants the MAXIMUM areafor his dog to run, what dimension will give the pen the biggest space for dog to run?? then what r the

  113. chemistry

    Give the number of each type of ion present in each of the ionic compounds formed from the combination of the indicated metal and acetate, {\rm C_2H_3O_2}^-, ion.

  114. chemistry

    what is the minimum temperature needed to dissolve 60 grams of K2CR2O7 in 100 milliliters of water?

  115. Grammar

    I haven't heard from you in a long time Write to me How is your family We'redoing fine in Wisconsin Spring is here and it's a lot warmer now Everyone is wearing shorts to school because it's sixty degrees I can't wait for summer You have to see my new

  116. Scinece, Physics

    A boy is throwing a stone from the top of a building. It takes projectile motion and returns to the ground. How to calculate the height of buiding?

  117. intermediate math

    maria has recently retired and requires an extra $7200 per year income. she has $120000 to invest in an Aaa-rated bond that pays 5% per annum or a B-rated bond paying 10% per annum. how much should be placed in each investment in order for Maria to achieve

  118. health

    what sources might you gain information on a new client to aged care

  119. Math

    The table shows the number of people in millions who participate in 5 sports in a recent year. About how many more people swam than played soccer? A.15 million B.21 million C.4 million D.35 million B? I got 18.8 and I think it rounds to 21

  120. Science

    My professor tells me I'm not using the right formula for this problem. can someone please help me. The formula is not delt p = density x gravity x height The mercury manometer on the right and the pressure transducer on the left are both connected to a

  121. Physics

    In a World Cup soccer match, Juan is running due north toward the goal with a speed of 7.70 relative to the ground. A teammate passes the ball to him. The ball has a speed of 13.3 and is moving in a direction of 30.5 east of north, relative to the ground.

  122. Math

    Charlie estimated 293-44 and got a difference of about 250 Is this a reasonable estimate? Explain

  123. Grade 11 Math

    Here's the question: You are attending a very loud concert. To avoid permanent ear damage, you decide to move farther from the stage. Sound intensity is given by the formula: I = k/d squared K= constant D = distance from the listener to the source of

  124. Physics

    it is estimated that light travels 100 000 years to travel the full distance across our galaxy, the milky way. If light travels 3.0x10^8 m every second, how long is the Milky Way? (1year=3.2x10^7s)

  125. chem

    Using condensed structural formulas, write a balanced chemical equation for each of the following reactions a)addition of H2O to trans-2-pentene using H2SO4 as a catalyst (two products) i got 2-pentanol and 3-pentanol but it is counting it wrong!

  126. math

    what is the ratio 8 to 48 in fraction form

  127. Business and Society

    In one paragraph, supported by evidence in your text and from other research, describe two forces that you believe shape the relationship between business and society. Provide two examples (one for each force you choose). Look for flaws and strengths in

  128. Geometric Progression

    A mortagge is taken out for $10,000 and is repaid by annual installments of $2,000. Interest is charged on the outstanding debt at 10%, calculated annually. If the first repayment is made one year the after the mortagage is taken out, find out the number

  129. math

    Make patterns with counters and tiles and then draw and color the pattern. What is counters and tiles?

  130. golden oak

    Fractions and decimals. how to make whole numbers. and mixed numbers .

  131. Abnormal Psychology

    Someone who focuses narrowly on negative events for long periods of time has a A. negative attitude. C. negative focus. B. depressive manner. D. depressive ruminative style. I'm stuck between A&B!

  132. Geometric Prorgession

    A bank loan of $500 is arranged to be repaid in two years by equal monthly instalments. Interest, calculated monthly, is charged at 11% p.a on the remaining debt. Calculate the monthly repayment if the first repayment is to be made one month after the loan

  133. geometry

    Whom should you see at the bank if you need to borrow money?

  134. physics

    You foolishly attempt to jump across a crevasse whose far side is W = 2.93 m away horizontally, and H = 1.35 m lower vertically. What minimum horizontal velocity must you have to make it to the other side? Assuming you have the minimum velocity you just

  135. physics

    A coin is placed 26 cm from the center of a horizontal turntable, initially at rest. The turntable then begins to rotate. When the speed of the coin is 120 cm/s (rotating at a constant rate), the coin just begins to slip. The acceleration of gravity is 980

  136. math

    What is 23×17 in array and an expanded algorithm

  137. Math

    The answer to 7 plus 4(8 minus 2)

  138. career

    Do veterinarians get paid during residency? If so how much?

  139. physics

    You push a 8.00 kg suitcase across a smooth horizontal floor applying a force directed 31.5 degrees below the horizontal. Someone measures the acceleration of the suitcase to be 1.73 m/s2. Assuming g = 10.0 m/s2, what is the normal force the ground exerts

  140. CIS 312 Information systems for managers

    What is the best way for a company to stay current in its computing? Is it even possible? What would be a safe strategy for an organization to use?

  141. Maths - Gemometric Progression

    The sum of the first n terms of a series in n^3. Write down the first four terms and the nth term of the series.

  142. math

    which expression is the unit rate for 36m/4sec. A)2m/1sec. B)9m/1sec. C)10/1sec. D)36m/1sec

  143. Chemistry

    out of these conditions, which would result in fastest reaction? a. 2.0M HCL, powedered CaCO3 chip, 50 degrees celsius b. 6.0M HCL, CaCO3 chip, 25 degrees celsius c. 6.0M HCL, powdered CaCO3, 50 degrees celsius. d. 2.0M HCL, CaCO3 chip, 50 degrees celsius.

  144. algebra

    If an equation is an identity, then the solution to that equation is _______.

  145. chemistry

    Water has a density of 0.089 g/ml. What is the volume, in gallons, of 11.1 tons of water?

  146. math

    Write as a whole number or mixed number in simplest form 1 1/3

  147. math

    when we'll use LCM,HCF

  148. Physics

    A swimmer, capable of swimming at a speed of 0.8 m/s in still water (i.e., the swimmer can swim with a speed of 0.8 m/s relative to the water), starts to swim directly across a 2.5 km wide river. However, the current is 0.91 m/s, and it carries the swimmer

  149. Maths - Geometric Progression

    The second term of a GP is 1/2 and the sum ti infinity of the series is 4. Find the first term and and the common ratio of the series.

  150. Finance

    Sarah just won a $3,000,000.00 lottery. According to the lottery they will pay her a lump sum of $500,000.00 on October 1, 2012 and the balance in equal annual installments for 10 years. Assuming that you are the director of the lottery, how much must you

  151. Lang Arts

    Select the letter that corresponds to the word or words that the italicized phrase modifies or describes. 9. The scientist Jane Goodall was born (in London) in 1934. a. in 1934 b. Jane Goodall c. scientist d. was born 10. In her twenties, she began her

  152. College Chemistry

    How many grams of H3BO3 forms when 28.16 grams B2H6 react with excess water?

  153. math

    5th grade equstions

  154. Midsummer Night Dream

    What is the difference between robin goodfellow and puck? Like why is he called two different things?

  155. math

    Write as a whole number or mixed number in simplest for 21/4

  156. accounting

    1. Use the general journal to journalize the following transactions completed during July of the current year. 2. Post from the general journal to the general ledger. Using the following steps. a. A. Write the current year and July 1 in the Date column.

  157. math

    x-(12-x)=38 please explain

  158. College Physic

    Can some one please help me with this question? An iron bolt of mass 121.1 g hangs from a string 1.2 m long. The top end of the string is fixed. Without touching it, a magnet attracts the bolt so that it remains stationary, but is displaced horizontally

  159. Biology

    How are decomposers like a city's recycling center?

  160. math

    5th grade math equations

  161. All

    Hi There . well, my boyfrined doesn't go to school -_____- right now . But I wanted a website for free printable worksheets with like reading. basically free work?

  162. chemistry

    I'am unable to identify which is upper meniscus and lower meniscus while taking a solution in burette.please tell me how to identify it easily.

  163. Math

    Name three 4-digit numbers whose sum is 17,491

  164. Physic

    Can anyone help me with this question> Thanks you You are part of a team to help design the atrium of a new building. Your boss, the manager of the project, wants to suspend a 24.0 kg sculpture high over the room by hanging it from the ceiling using thin,

  165. science

    Draw the condensed structures of the esters formed from the following reactants. Name the compound in each case. (a) butanoic acid and methanol

  166. Math

    Factor of n3+n+n2+1

  167. Math

    Kate saves 1/5 of her allowance and spends 2/3 of her allowance at the mall. what fraction of her allowance remains?

  168. algebraica expresion

    Linda rents sleeping bags to campers. She rents out 8 sleeping bags. Then, she rents out 6 more sleeping bags. Write an expression nto represent how many sleeping bags Linda has left. Tell what the variable representgs.

  169. English

    What are the two types of verbs that make up a verb phrase?

  170. Math

    A number that can be divided by 2 three times in a row with no remainder, has 5 as a factor and is greater than 40

  171. Physics

    Given that the tension T1=20N calculate the tension T2 and the mass of the hanging object. The angles of the strings with the ceiling are 25 degrees and 40 degrees respectively.

  172. math

    Give me an example. How to write a fact family with a sum of seven- teen?

  173. math

    6(-5n+7)

  174. Maths

    Calculate the density of earth given that its mass is 5.98x10^24 kg and volume is 8.78x10^8 m/s

  175. Physics

    A 35.41-g sample of Cu(s) at 96.73°C was added to a constant-pressure calorimeter containing 148.3 g of H2O(l) at 25.20°C. The final temperature of the system was 26.66°C. Assuming no heat loss to the surroundings, what is the calorimeter constant?

  176. Literature

    Which lines are characteristic of an elegy? A.(They came like shamefaced jackals, their shields / In their hands, to the place where the prince lay dead, / And waited for Wiglaf to speak.) B.(Too few of his warriors remembered / To come, when our lord

  177. Math

    Find the function values given f(x)= 6x^2 - 4. f(0)

  178. math

    a bag contains 20 marbles containing 8 green, 4 red, 2 blue, 6 yellow. If a person picks out 1 single marble from bag without looking. what is the probability that it will be a red marble?

  179. Geometry

    If one angle is 2x+y and the other angle is 10x-4y how do you solve it? They are both right angles. Do you set them equal to each other?

  180. physics

    in the equation V=sqrt(r*g), what does sqrt stand for?

  181. Math

    The table shows the number of people in millions who participate in five sports in a recent year. About how many more people swam than played soccer A. 15 million B. 21 million C. 4million D. 35 million Swimming 27.0 Soccer 8.2

  182. Math

    Ian multiplied a whole number by 5. He then multiplied that product by 2. What digit is in the ones place of the final product?

  183. general

    -M-A-K- Clues *girls like it *boys use it *parents hate it

  184. Physics

    A person can jump a horizontal distance of 3.10 m on Earth, where the free-fall acceleration, g = 9.81 m/s2. (a) How far could the person jump on the moon, where the free-fall acceleration is g/6 m (b) How far could the person jump on Mars where the

  185. sociology

    i have to write three pages on this topic i need ideas. PLEASE Peter Berger likens sociological discovery to culture shock minus geographical displacement. He also points out that as a sociologist we must peel away the layers of the

  186. physics

    Maria throws an apple vertically upward from a height of 1.3 m with an initial velocity of +2.6 m/s. Will the apple reach a friend in a tree house 2.4 m above the ground? The acceleration 1. No, the apple will reach 1.37063 m below the tree house 2. Yes,

  187. math

    mr. cruz is 3 years older. he would be the same age as mr. john. mr. john is 46 years old. how old is mr. cruz now?

  188. math

    a chef can bake 15 pies in one hour. What is the rate in pies per minute?

  189. Math I need help Ms. Sue please answer!

    6th Grade Math: Write 144 as a product of prime factors. Then write the prime factorization using exponents.

  190. physics

    a car traveling at 7 m/s accelerates to a velocity of 12.0 m/s in 2.0s. what is the acceleartion of the car?

  191. Psychology

    What are some examples of self-monitoring techniques? What are some examples of self-managing techniques? NOTE: I just need some ideas.

  192. math

    The lappens but three large sandwich wraps. nine people in all will be at the picnic show three differnt ways to cut the sandwiches so that each person gets an equal share

  193. Biology

    Researchers discovered that zooplankton in Narragansett Bay now graze on floating algae more actively through the winter than they ever did before. What effect do you think this might have on the annual late-winter "bloom" of algae that occurs in the

  194. Chemistry - ASAP please!

    what is the hybridisation state of the oxygen of a carbonyl group

  195. Math

    If input/2=output (i.e. input 4/output 2, input 6/output 3, input 8/output 4 - what is the rule?

  196. math

    six friends go to the movies and share equally a 48-ounce bag of pop corn and three 48 inches licorice laces. find the fraction of popcorn and licorice each get

  197. physics

    In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots. The horizontal distance between the buildings is 36.0 m, and the heights of the Jackson and Walton buildings

  198. physics

    In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots. The horizontal distance between the buildings is 36.0 m, and the heights of the Jackson and Walton buildings

  199. GEOMETRY

    3 Y -8/12= Y/5 SOLVE THE PROPORTION

  200. Precalc

    #1: f(x) = x^2-4x find vrtex, axis ofsym, y-int, x-int if any, domain, range, where increasing and decreasing. I got.... vertex: 2,4 axis of sym: x=2 D= (-infinity, infnity) range= [4,infinity) im stuck of the intercepts because when i plug i 0 for x i get

  201. Math

    A function that represents the volume of a cardboard box is V(x) = -0.65x^3 + 4x^2 + 3x, where x is the width of the box. Determine the width that will maximize the volume. What are the restrictions on the width? The answer is 4.45 and domain is 0

  202. physics

    In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots. The horizontal distance between the buildings is 36.0 m, and the heights of the Jackson and Walton buildings

  203. Math

    please convert decimal numbers to binary 32.75 10th power

  204. 3rd grade math

    what combinations of president and vice president could there be ?

  205. Advanced Functions

    Two soccer players start at opposite sides of an 80-m field. One runs at 4 m/s and the other runs at 5 m/s. If they run back and forth for 15 mins, how many times will they pass each other? **The answer is 25 but I keep getting 45!!

  206. practical english

    Which of the following sentences contains an italicized word that's used as a predicate adjective? A. Jerry looks ILL today. B. Jerry looks INTO the microscope. C. Jerry looks disdainfully at the pile of laundry D. Jerry looks at the map. Is it c?

  207. Science

    5.00 ml of 1.90M HCl is diluted to 0.400l. calculate the pH of the HCl?

  208. math

    5bc^4-13bc^4

  209. math

    The rectangular part of her pool is 8 meters by 6 meters. The triangular part has a height of 4 meters and a base of 5 meters. what is the area of the pool cover sally will buy

  210. English

    Can you please help me rephrase this so there won't be any "I, Me, My, Us, We, Our, Your or You" in it? Thanks Have you ever given up something you love?

  211. Film and Literature

    Apply at least one of the critical approaches introduced in this week's lecture (reader-response/viewer-response, psychoanalytic, or historical criticism), to "Memento Mori" and Memento. How might these approaches help us make sense of this story and its

  212. physics

    A 297-kg motorcycle is accelerating up along a ramp that is inclined 25.9° above the horizontal. The propulsion force pushing the motorcycle up the ramp is 3156 N, and air resistance produces a force of 300 N that opposes the motion. Find the magnitude of

  213. Physics

    What is the acceleration of a projectile fired vertically upwards? Is it positive or negative? Vertically downwards?

  214. physics

    Vector V1 is 8.58 units long and points along the -x axis. Vector V2 is 4.45 units long and points at +40.0° to the +x axis. (a) What are the x and y components of each vector? V1x = V1y = V2x = V2y = (b) Determine the sum V1 + V2. Magnitude Direction °

  215. math

    -6(a+8)

  216. math

    Four friends contribute sums of money to a charitable organization in the ratio 2:4:5:7. If the largest amount contributed is $1.40, calculate the total amount contributed by the four people

  217. Math

    121 x 3/11 =

  218. science

    when would a field study be better than a laboratory experiment?

  219. language

    Would "away" be the adverb and would "keep" be the word the adverb modifies in the following sentence. Keep away from the acids in the science room.

  220. physics

    Vector V1 is 8.58 units long and points along the -x axis. Vector V2 is 4.45 units long and points at +40.0° to the +x axis. (a) What are the x and y components of each vector? V1x = Incorrect: Your answer is incorrect. V1y = Incorrect: Your answer is

  221. Physics

    An elevator starts from rest with a constant upwards acceleration of 1m in the first 1.4 seconds. A passenger in the elevator is holding a 6.3 kg bundle at the end of the vertical cord. what is the tension in the cord as the elevator accelerates. the

  222. Math

    Janet has a pink blouse, a red blouse and a white blouse. She has a pink skirt, a red skirt, a black skirt and a white skirt. How many combinations could she make? My answer is 12 combinations. I mulitiplied 3 blouses times 4 skirts.

  223. AP Chemistry

    If a breath of air has a volume of 1.02L at a pressure of 750 Torr and 37°C, calculate the number of molecules of air in the breath.

  224. LAW 302 Business Law for Managers

    How do the various interests in land and real estate differ? Where did this system originate? What is the organization of your business? How does this impact your employment and how you interact with your employer? What are some the advantages and

  225. physics

    How much friction force will be required if a car weighing 2100kg traveling at 28m/s rounds a curve of radius 59m banked at a 15 degree angle

  226. Math Ms. Sue please help me!

    Write the prime factorization of 121 in exponential form.

  227. math

    8(-b-4)

  228. math

    (-6p+7)*-4

  229. Physics

    A car enters the freeway with a speed of 6.7 m/s and accelerates uniformly for 3.0 km in 3.8 min. How fast is the car moving after this time? Answer in units of m/s

  230. Physics

    A driver in a car traveling at a speed of 76 km/h sees a cat 109 m away on the road. How long will it take for the car to acceler- ate uniformly to a stop in exactly 106 m? Answer in units of s

  231. completing the square

    1. f(x)= x^2-4 2. f(x)= x^2+6x+9 3. f(x) = 3x^2-8x+2

  232. math

    i have 0.953 and need to round it off round two decimal places. Would this be consider 0.9

  233. physics

    Consider the circuit in the diagram. Let R1 = 51.0 Ω, R2 = 38.0 Ω, R3 = 74.0 Ω, R4 = 16.0 Ω, and V = 84 V. (b) What current flows from the battery? (c) What is the potential difference between points A and B? (d) What current flows through each branch

  234. physics

    When a car is traveling at 21 m/s on level ground, the stopping distance is found to be 18 m. This distance is measured by pushing hard on the brakes so that the wheels skid on the pavement. The same car is driving at the same speed down an incline that

  235. Physics

    An elevator (cabin mass 600 kg) is designed for a maximum load of 2100 kg, and to reach a velocity of 3.1 m/s in 3 s. For this scenario, what is the tension the elevator rope has to withstand? This is what I've tried and is incorrect. 2100kg + 600 kg=

  236. College Algebra

    A jet flies from Atlanta to Dubuque a distance of 900 miles. After traveling the same amount of time on the return flight,the pilot mentioned they still had 150 miles to go. The airspeed of the plane was 300 miles per hour. How fast was the wind blowing?

  237. MAT 116

    A moon is about 210,000 miles from the planet it orbits. Write in scientific notation. If a rocket traveled at 3 x 10^4 miles per hour, how long would it take for it to reach the moon from the planet? Write the number 210,000 in scientific notation. 210,00

  238. Physics

    A car travels in a straight line for 4.8 h at a constant speed of 63 km/h . What is its acceleration? Answer in units of m/s 2

  239. Trig

    A ladder is resting against a wall. The ladder and the ground and angle of 40 degrees and the ladder is 4 ft. from the wall. How long is the ladder?

  240. Math 8R - Help!!!!!!!!

    A can of fruit contains 3 1/2 cups of fruit. The suggested serving size is 1/2 cup. How many serving are in the can of fruit.

  241. us history

    describe the structure of the central(federal) government under the Articles of Confederation. What revolutionary principles were enacted though this structure? Why did the structure fail to created an enduring government?

  242. math

    is 1 divided with every number

  243. physics

    two metra trains are on separate but parallel tracks. One has a speed of 90 km/hr, the other 80 km/hr. Initially, the two trains are 2.71 km apart. How long will it take the two trains to pass each other?

  244. Algebra 2

    I need help, and I can't find the answer. Can you explain how to do this please? I don't want the answer only, I need to know the answer, and how to find it. Thank you!! 9. What is the equation of the absolute value function? (1 point) y = 6|x + 2| –2 y

  245. Math

    Please help solve and explain it, thank you. 1. Juan, Steve and Gabriella bought a total of 30 markers at an art store. Juan bought 3 more markers than Steve. Gabriella bought 7 times as many markers as Steve. How many markers did each buy? 2.

  246. CALCULUS HELP

    Write the equation of the tangent line to the graph of the function at the indicated point. Check the reasonableness of your answer by graphing both the function and the tangent line. Y=(x-2)/(15-x^2) x=-4 HOW DO WE DO THIS

  247. Physics

    A car traveling in a straight line has a velocity of 6.03 m/s at some instant. After 6.89 s, its velocity is 10.6 m/s. What is its average acceleration in this time interval? Answer in units of m/s 2

  248. philosophy

    what philosopher would refute Glaucon's definition of justice in the Republic?

  249. Math

    You toss a rock up vertically at an initial speed of 34 feet per second and release it at an initial height of 6 feet. The rock will remain in the air for how many seconds?

  250. Human physiology

    find effective osmotic pressure of normal saline.

  251. Health 8R

    I have this assignment for my health class is when I have to create my own personal business card. This there any pictures that relate to the following characteristics since those describe me • Smart • Creative • Funny • Friendly

  252. Help with English sentence pattern

    follows these rules: begins with a relative pronoun, follows any noun, restrictive noun follows common noun, non restrictive follows proper noun commas are not supposed to be used(i guess this is supposed to be sentence pattern 15??) here's the sentence:

  253. physics

    The initial velocity of a 2.36 kg block sliding down a frictionless inclined plane is found to be 1.46 m/s. Then 1.07 s later, it has a velocity of 4.46 m/s. What is the angle of the plane with respect to the horizontal? I did this: a=(4.46-1.46)/1.07=2.80

  254. Chemistry

    When a clear aqueous solution of calcium chloride (CaCl2) is mixed with a clear aqueous solution of sodium carbonate (Na2CO3), a white solid precipitate forms. What happens to the mass of the mixture after the solid precipitate forms? Choose the best

  255. Chemistry

    When hydrochloric acid (HCl) is added to water it dissociates to form H3O+ (aq) and Cl− (aq) as shown below. HCl (aq) + H2O (l) → H3O+ (aq) + Cl− (aq) What happened to the electrons in the H-Cl bond? Choose the best answer. The electrons are

  256. Math 8R - Help!!!!

    Emma bought 2 1/2 yards of cording for the trim around the edge of square pillow. How much will she use for each side of the pillow?

  257. physics

    a ford is traveling with a speed of 15 m/s and is 200 meters ahead of a Chevy traveling in the same directin at 20 m/s. How far will the Chevy travel before catching up to the Ford?

  258. Algebra

    solve the linear system using substitution 4x - y=5 4x + 4y= -4 Also by using elimination.

  259. linking verbs

    Is were a linking verb in this sentence? The chidren _were_disappointed when the game was cancelled.

  260. English

    Is there any sufix which gives the opposite of the word other than -less,i.e care-careless.

  261. algebra

    Pat had $3. He gets some money from his parents. He now has twice as much money as Dani. Write an expression to represent how much money Dani has. Tell what the variable represents.

  262. Science

    What happens to an object when it goes tough a physical change?

  263. English

    theme of the story "And Of Clay Are We Created" in one sentence?

  264. math

    Allison says that every interger is a counting number. is she correct and explain Please help, thank u

  265. ms sue

    can you help me with my earylier post plz

  266. Math

    n the theory of relativity, the mass of a particle with speed v is m=f(v)=m01−v2/c2√, where m0 is the rest mass of the particle and c is the speed of light in a vacuum. Letting m0=1, find f−1(10).

  267. Biology (PLZ HELP)

    Researchers discovered that zooplankton in Narragansett Bay now graze on floating algae more actively through the winter than they ever did before. What effect do you think this might have on the annual late-winter "bloom" of algae that occurs in the

  268. 7th grade science

    1) a classmate states that igneous rock must always become sedimentary rock next, according to the rock cycle. explain why this statement is incorrect. 2)why would granite have larger crystals than igneous rock s formed when lava cooled above the earth's

  269. math

    *The number has 8 digits, none of the digits are the same. *It is evenly divisible by 10. *The value of one of the digits is 80,000 *The digit in the millions place is the largest 1-digit odd number. *The digit in the thousands place is 3 less than the

  270. science

    2. The pressure on 100 cm3 of gas increases from 1 atm to 2 atm while the temperature drops from 20 oC to -10 oC. What is the new volume?

  271. Physics

    A baseball goes from zero to 40 m/s in 0.159 s. What is its average acceleration? Answer in units of m/s 2

  272. estimate whith 1 digit divisors

    358-3=

  273. algebra

    Mrs. ayer is painting the outside of her sons toy box, including the top and bottom. The toy box measures 3 feet long, 1.5 feet wide, and 2 feet high. what is the total surface area she will paint?

  274. Reading

    In The Adventure of Dying Detective, it is true Inspector morton was signaled to come to sherlock Holmes' room when watson yelled for him?

  275. physics

    A driver in a car traveling at a speed of 66 km/h sees a cat 118 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 114 m? Answer in units of s

  276. programming

    Prompt the user to enter a number of seconds. Return to the user the hours, minutes and seconds.Example: Enter seconds: 1000 1000 seconds = 0 hour, 16 minutes, 40 seconds Hint: use the modulus operator.

  277. algebra

    solve the linear system from problem 1 using elimination 4x-y=5 4x+4y=-4

  278. Chemistry

    Would Ca(HCO3)2 be calcium hydrogen carbonate?

  279. chemistry

    A student wishes to prepare 1.000 g of silver chromate. How many mL of .05000M silver nitrate solution should be added to 50.00 mL of .0700M potassium chromate solution assuming 100% yield

  280. ENG095

    Explain what is wrong with the following sentence and make any corrections if necessary: “Neither the mouse nor the rats could find its way through the maze.”

  281. human services

    identify three barriers to services,planning,funding,or empowerment in a selected aspect of human services.How does community development help address these barriers? How applications could be utilized as a means to overcome each of these barriers?

  282. Physics

    The acceleration of gravity at the surface of a newly discovered planet is 5.2 m/s^2. An astronaut throws a rock straight up at 10.5 m/s on this planet. How high will it go? Please help!!!

  283. College Algebra

    solve the equation for r: S= (rL-a)/(r-x)

  284. Chemistry

    Mg +2HCL = MgCl2 +H2 what mass of hydrogen is obtained by adding excess hydrochloric acid to 6g of magnesium

  285. Chemistry

    When 0.312g of glucose was burned in a bomb calorimeter (heat capacity 641 J/K) the temperature rose by 7.739 K. Calculate the standard enthalpy of combustion and the standard internal energy of combustion. I've calculated the standard enthalpy but am

  286. UOP

    -8(t-9)-(t+1)=4

  287. Chemistry

    The density of platinum is 23.4 g/cm cubed. Calculate the mass of 75.0cm cubed of platinum.

  288. Calculus

    Use derivative formulas to find the derivative of the function. please show your work h(x)=10^3-25x^6+3x^15

  289. Science

    Mirror images are formed by light from the object's right side reflecting from the right side of the mirror and light from the object's left side reflecting from the left side of the mirror. True or False please help! thanks

  290. Mathematics

    The association has $2000 in its reserve fund that it will use to help pay for repairs. How much must the association charge each of the 5o homeowners if the total cost for the repairs is $13,350?

  291. Science

    In this type of matter it consists of only one type of element or compound what is it?

  292. Math

    two times the sume of 3 and y amounts to 24

  293. physics

    a 4.1 kg bucket of water is raised from a well by a rope. The acceleration of gravity is 9.8 m/s^2 If the upward acceleration of the bucket is 2.7 m/s^2 find the force exerted by the rope on the bucket. Use g=9.8 m/s^2

  294. math

    As an entrepreneur, there are going to be many decisions that you need to make, such as the price to charge your customers for your goods and services. You have just graduated from college and recently opened a specialty pizza restaurant. Based on surveys

  295. Healthcare

    Dr,Mallory practices at your hospital and your competitor. Presented below are data for MS-DRG 470 (Major Joint and Limb Reattachments, Lower Extremity) that reflect practice patterns for Dr. Mallory at the two hospitals.What do you think accounts for the

  296. math

    the perimeter of rectangle y is equal to its area. rectangle z has the same perimeter as rectangle y. The length of rectangle z is 5 inches and the width is 3 inches. Explain how you can find the length and width of rectangle y.

  297. intermediate algebra

    solve an inequality and indicate the solution set, in interval notation. i need the steps that way i can study it and try to do the rest on my own. 3x+1>2andx-2

  298. geometry

    what is (6x^2-8x+8) divided (x-3)? i have done this problem about 20 times literally and can not get the right answer. i would also like to know if i'm suppose to use place holders on any number with and X or just X^2?

  299. physics

    A 140-W heater was placed in 2.00 kg of methanol and turned on for exactly 1 min. The temperature increased by 3.54°C. Assuming that all the heat is absorbed by the methanol, calculate the molar heat capacity of methanol.

  300. chemistry

    Prepare 150 ml of a reaction buffer containing 0.75% MgCl2, 35mM glucose, 750 nM ATP, and 20 mM Tris-Cl, pH 7.5. In addition, you have a 20% MgCl2 stock solution and the lab freezer has 10 mM ATP that you can dilute to the correct concentration.

  301. Lang Arts

    This homework question was removed due to a copyright claim submitted by Connections Education. plzz help me.

  302. chemistry

    How many grams of Kl are required to prepare 500 mL of 0.04 M Kl?

  303. math

    A function is given below. Determine the average rate of change of the function between t = 9 and t = 9 + h. f(t) = Square root of 4t

  304. baking

    when making french doughnuts the paste is piped into rings onto _____ _____ and is then lowered into the fat.

  305. algebra II

    Choose the equation in slope-intercept form for the line passing through each pair of points. (-4, -2) and (2, 3) y=-5/6x+14/3, or y=5/6x+4/3

  306. Geometry

    Find the coordinates of the midpoint of a segment with the given end points. I don't understand how K(-9,3), h(5,7)

  307. intermediate algebra

    write the expression in form of a+bi (-2-3i)(1+4i)

  308. Chemistry

    I've got a similar question as a previous student. What is a minimum volume (in gallons) of ethylene glycol (CH2OHCH2OH, an antifreeze) that has to be added to 3.00 gal of water if you desire this engine cooling solution (for a auto radiator) NOT to be

  309. International Finance

    Assume you are a US citizen and currently you can exchange $180(USD) for 125 GBP (British Pounds). What is the Indirect quote relating the USD to the GBP?

  310. Chemistry

    how many moles of Cl in 2.7 mol CaCl2

  311. math

    what is the cube root of 9,261?