Questions Asked on
January 7, 2009

  1. trigonometry

    Find the values of s in the interval [0,pi/2] that make the statements true. 1. sin s=0.75438373 2. cos s=0.74241049 3. cot s=5.6394377 Can you tell me how you solve these.

    asked by y912f
  2. Chemistry

    The temperature of a sample of neon is raised from 20 degrees C to 40 degrees C, the average kinetic energy of the neon atoms changes by a factor of? The answer is suppose to be 313/293, but I don't get how. My idea was since average KE = (3/2) kT then the

    asked by Unsure
  3. Earth Sci

    A cobble-sized sediment is naturally broken off the steep sides of a valley in a mountainous region. The sediment falls onto a glacier that occupies much of the valley. Over several years, the sediment “falls through” the glacier and is then dragged

    asked by Ivy
  4. trigonometry

    can you please tell me what is the sec of (-855 degrees). and how to find it. thnks

    asked by y912f
  5. math-statistics

    An appliance manufacturer stockplies washers and dryers in a large warehouse for shipment to retail stores. Sometimes in handling then the appliances get damaged. Even though the damage may be minor, the company must sell those machines at drastically

    asked by Sherri
  6. trigonometry

    a wheel is rotating at 8 radians/sec, and the wheel has a 47 inch diameter. to the nearest foot, what is the velocity of a point on the rim in ft/min? all i know is that you have to use the formula v=r.w

    asked by y912f
  7. Algebra 2

    What's the answer to Algebra With Pizzazz B-50, Page 60???

    asked by Terrell
  8. trigonometry

    1. A boat sails for 4 hours at 35 mph in a direction 135degrees 51'. how far shouth has it sailed (to the nearest mile)? Is it 96 miles?? 2. A ship travels 55 km on a bearing of 11degrees, and then travels on a bearing of 101degrees for 133 km. find the

    asked by please check
  9. MATH PLEASE HELP!

    According to Boyle's law, the pressure p of a compressed gas is inversely proportional to the volume, v. If a pressure of 20 pounds per square inch exists when the volume of the gas is 500 cubic inches, what is the pressure when the gas is compressed to

    asked by Roger
  10. psychology

    Which of the following statements regarding sex hormones is true? A female sex hormones aren't involved in the primary development of the sex organs B female sex hormones are necessary for the primary development of the sex organs C without sex hormones,

    asked by tzeni
  11. pre calculus

    You set up a business and make an initial investment of $10,000. The unit cost of the product is $2.85 and the selling price is $4.95. How many units must you sell to break even?

    asked by nichole
  12. Chemistry

    My teacher hasn't really talked about types of reactions; he's just given us a list of net ionic equations involving water and different elements including Lithium, Sodium, Calcium, Magnesium, Lanthanum, and Potassium to memorize. However, his test

    asked by GP
  13. 9th grade

    using only 15 of these letters,tlpuytsiaaganbrnlrog,what do you call a female bug that floats?

    asked by Dave
  14. pre calculus

    The perimeter of a rectangle is 480 meters and its length is 1.5 times its width. find the dimensions of the rectangle.

    asked by nichole
  15. algebra

    the area of a pizza is 220 square centimeters. what is the radius

    asked by elizabeth
  16. Organic Chemistry

    When 2-methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has been formed?

    asked by Joy
  17. Science

    What letter represents the nucleus of a cell?

    asked by Daniel
  18. algebra

    without graphing classify each system as independent, dependent, or inconsistent. -2x-y=9 3x-4y=-8

    asked by wesley
  19. Chemistry

    1. Why does the distance between two nuclei in a covalent bond vary? 2. How does a molecular orbital differ from an atomic orbital?

    asked by Kate
  20. trigonometry

    please check my answers. 1.Find the area of the sector of a circle. r=11.8cm, theta-pi/7 radians I got 31.2cmsquared 2.Find the radius of a circle in which a central angle of pi/6radian determines a sector of area 76square meters. I got 17.03m 3.Find the

    asked by y912f
  21. Chemistry+need help checking work

    Using aervage atmoic masses for each of the following elements, calculate the mass, in amu (grams) A. 635 atoms of hydrogen ---> 1 mole of H = 1.01g = 6.022 x 10^23 atom 635 atom of H 1.01g/6.022 x 10^23 atom I got 1.06 x 10^-21 amu. I got that answer

    asked by Chopsticks
  22. chemistry

    I don't understand net ionic equations; for example, when you're given Pb(NO3)2(aq)+2LiCl(aq) how do you know that in the product Pb has to be paired with Cl2 and Li with NO3 to make PbCl2(s)+2LiNO3(aq)?

    asked by GP
  23. psychology

    You can be certain that a child has suffered from fetal alcohol syndrome should you discover A smaller-than-average brain size B low level of infant activity C poor vision D above-average physical growth followed by below-average growth i believe the

    asked by tzeni
  24. Math

    Rudy worked hard all summer. Before school started he decided to go shopping and spend some of his earnings. He spent 1/3 of his money on a new shirt at HOT Fashions in the Mall. He then went to Marvin's Music and bought a cd with 1/3 of his money he had

    asked by PeyPey
  25. trigonometry

    Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km. Can you help me find the latitude of Spokane, WA if Spokane and Jordan Valley, OR, 43.15degreesN, are 486 miles apart. I think its either A. 47.50degN or

    asked by y912f
  26. Chemisty

    If ten drops of 0.3 M HCl are mixed with ten drops of 0.3 M Na2S2O3, what will be the concentration of each chemical in the mixture? Please help, i am pretty sure that the concentration should be 0.3 M but i am not sure if i am supposed to do somthing with

    asked by Nancy
  27. Organic Chemistry- help Dr. Bob

    1. What is the maximum volume (at STP) of the butene mixture that could be obtained by the dehydration of 81 mg of 2-butanol? 2. When 2-methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has

    asked by dora
  28. Filipino to english

    kagigising ko lang,, natulog agad akon padating ko, kasi hindi ako makatulog kahapon bago pumasok,, kaya antok ako sa work kanina, kaya pag uwi ko natulog ako,, 12:20pm na dito,, ingatka

    asked by debbie
  29. trigonometry

    Can you tell me if these answer is correct. 1. From a boat on the lake, the angle of elevation to the top of a cliff is 35degrees13'. if the base of the cliff is 2664 feet from the boat, how high is the cliff(to the nearest foot)? i got 1880 feet. is this

    asked by please check
  30. trigonometry

    assuming that Earth's radius is 6400 km, find the linear velocity of Quito, Equador, a city on the equator. (Use pi=3.1416 and 1.6 km=1 mile).

    asked by y912f
  31. trigonometry

    find the exact values of s in the given intervals that have the given circular function values. 1. [pi/2,pi]; sin s=square root 2/2 2. [pi/2,pi]; cos s=-square root 3/2

    asked by y912f
  32. trigonometry

    these two are the same type of questions but i have no clue how to figure out the answer. i have tried drawing it out but don't know what to do after that. 1. a bicycle with a 28-inch wheel(diameter) travels a distance of 800 feet. how many revolutions

    asked by y912f
  33. Urgent algebra help!

    Here's my question. Please walk me through it so I can fully understand it. Jon begins jogging at a steady 3 meters/sec down the middle of Lane #1 of a public track. Laaura starts even with him in the center of Lane #2 but moves at 4 meters/sec. At the

    asked by Caroleen
  34. Algebra I

    Stephen is walking from his house to his friend Sharon's house. When he is 12 blocks away, he looks at his watch. He looks again when he is 8 blocks away and finds that 6 minutes have passed. Write 2 ordered pairs for these data in the form (time, blocks).

    asked by Jake
  35. math help pleaseee (: ! <345

    One hiking club charges $20 to become a member and $5 to participate on each hike. Anotherclub charges no membership fee, but charges $7 to participate on each hike. How many hikes must you go on to make the first club more economical ?(:

    asked by Mary
  36. Algebra--please help!

    Here's my question. Please walk me through it so I can fully understand it. Jon begins jogging at a steady 3 meters/sec down the middle of Lane #1 of a public track. Laaura starts even with him in the center of Lane #2 but moves at 4 meters/sec. At the

    asked by Caroleen
  37. social studies

    what was the name of the god who guarded the livers canopic jar

    asked by asher
  38. psychology

    When the XY genetic code begins to assert itself A ovaries begin to differentiate B testes begin to differentiate C estrogen begins to be produced D brain development begins to occur more rapidly i believe the correct answer is B

    asked by tzeni
  39. human resources

    What steps you would take to prepare yourself for a career in International Human Resource Management (HRM)?

    asked by China
  40. O CHEM - dr. bob

    1. What is the maximum volume (at STP) of the butene mixture that could be obtained by the dehydration of 81 mg of 2-butanol? 2. When 2-methylpropene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has

    asked by Dora
  41. Chemistry

    1. How does the strenght of a covalent bond relate to bond length? 2. Compare the degree of polarity in HF, HCL, HBr, and HI? 3. Given that it has the highest electronegativity, can a fluorine atom ever from a non-polar covalent bond? Explain your answer.

    asked by Kate
  42. science

    which of these is always equal to the number of protons in an atom

    asked by help
  43. Algebra

    WELL SOMEONE HELP ME SOLVER THIS PROBLEM PLEASE!!!!!! Janet can shovel snow from her driveway in 55 minutes. Jim can do the same job in 50 minutes. How long would it take Janet and Jim to shovel the driveway if they worked together?

    asked by pj
  44. social studies

    which of the following statements best describes kennedy's point of view? a.the only way that people can influence their government is by writing letters to their elected officials. b.you are not a citizen unless you vote. c.voting effects everyones

    asked by samantha
  45. Math ....urgent help

    i just don't get this elimination method ..... plz help me plz.....teach me how to keep the x and y in a parallel line. and which number to multiply.....plz help -5x-4y=-11 10x=-6-y help me plz......

    asked by vero
  46. business

    Here is a question on free trade. Country X and Country Z have a free trade agreement. If Country X buys trucks from Country Y and sells the trucks to a car dealer in Country Z, does the buyer need to pay duty on trucks. Why or why not? I think that yes,

    asked by Maria
  47. english

    Is this examples of Irony and Juxtaposition? In that three foot pile now-irony one earthquake in Alaska, seventeen American soldiers- juxtaposition

    asked by Victoria
  48. math

    write a rate that can be calculated from the given information. include the rate unit. 1. there are 40 cars parked in the 6 rows of that parking lot. 2. shante read 3 pages in 5 minutes. 3. latisha read 31\2 pages in 5 minutes.

    asked by cornelia
  49. Filipino to english

    Can anyone help me with this message. Its suppose to be in Filipino and I need to know what it says in English!! kagigising ko lang,, natulog agad ako padating ko, kasi hindi ako makatulog kahapon bago pumasok,, kaya antok ako sa work kanina, kaya pag uwi

    asked by debbie
  50. Chemistry -- plz help

    how do i calculate the percentage of ionic character .. ex. H-O = electronegativity difference = 1.2

    asked by Jen
  51. Human Behavior

    What are the merits of multiple perspectives when examining human behavior? Why is it important? Provide examples of the impact of using multiple perspectives when providing services to a family or individual.

    asked by Sasha
  52. 9th grade science

    what do you call a female bug that floats?

    asked by Dave
  53. English - Shakespeare

    In "Othello" Desdemona is slapped by Othello in Act 4 Scene 1. Why soesn't she defend herself eventhough she's innocent? I was thinking that maybe she was just too stunned to do anything or maybe she thought that something was wrong such as he was ill or

    asked by ABCD
  54. math

    The tread depth of the tires on your family's new car is 3/8 inch. you predict that, as a result of driving the car, the change in tire tread depth will be about -3/64 inch per year. A. write a variable expression for the tire tread depth after y years of

    asked by matt
  55. 7th grade math

    wriet a rate that can be calculted from the given information. include the rate unit. 1. there are 40 cars parked in the 6 rows of that parking lot.

    asked by cornelia
  56. math

    twenty times the square of a non-zero number is equal to 15 times the number. what is the number?

    asked by monkie
  57. chemistry

    What happens in terms of energy and stability when a covalent bond forms?

    asked by Kate
  58. math help urgent

    what di di do wrong in this??? the question is: x-8y=18 -16x+16y=-8 i did : first multiplied the first equation with 2 then 2x-16y=36 -16+16y=-8 ----------- -14x=28 x=28/-14 x=-2 now x-8y=18 (-2)-8y=18 -8y=18+2 -8y=20 y=20/-8 y= 2.5 plz help me what did i

    asked by Anonymous
  59. Physics - Submerged Cylinder

    A cylindrical diving bell 5 m in diameter and 10 m tall with an open bottom is submerged to a depth of 150 m in the ocean. The temperature of the air at the surface is 20 degrees Celsius, and the air temp 150 m down is 2 degrees Celsius. The density of

    asked by Phil
  60. essay

    In the famous play, Julius Caesar, the most important characters would have to be Caesar and Brutus. Each character has its distinctive role, Caesar as the ruler of Rome and Brutus as one of the Caesar¡¯s best friends. They both have the same goal, but

    asked by Andy
  61. math

    ok, i typed it out right this time. (5/4)x+(1/8)x=11/8+x (10/8)x+(1/8)x=11/8+x (11/8)x=11/8+x (3/8)x=11/8 Ok now I subtracted from both sides How do I finish the problem out?

    asked by deedra
  62. chemistry

    How do I balance this equation for silver nitrate and sodium chloride reacting to form sodium nitrate and silver chloride. AgNO3 + NaCl = AgCl2 + NaNO3

    asked by kayla
  63. Algebra

    Write the equation of a line in slope intercept form that contains (3/4, 1/2) and has the same slope as the line described by y + 3x = 6.

    asked by Jake
  64. pre-algebra

    You want to paint a wall that is 8 3/4 feet high and 11 1/4 feet long. You have a can of paint that will cover 200 square feet with one coat. A. find the area of the wall. b. if you want to apply two coats of paint , do you have enough paint? explain

    asked by Greg
  65. math

    In 1993, the life expectancy of males in a certain country was 61.3 years. In 1999, it was 64.7 years. Let E represent the life expectancy in year t and let t represent the number of years since 1993. The linear function E(t) that fits the data is? answer:

    asked by deedra
  66. psychology

    A pregnant woman is most likely to decide to use the Lamaze method because she A is interested in eliminating the pain of delivery B would prefer to speed up the delivery process C would rather take a longer time in delivery to reduce trauma to her baby D

    asked by tzeni
  67. trigonometry

    can you tell me how to actually do this. find thenumebr of radians through which the hour hand of a clock turns in 5 hours. i don't know what i did, this is what i wrote: 360degrees=1 hour 1800 degrees=5 hours 1800(pi/180) somehow i got 10pi which is

    asked by please check
  68. Physics

    According to Kinetic Theory, the molecules of a gas at given temp: a) all move with speed Vrms b) all move at speeds greater than Vrms c) speeds less than Vrms d) above, at, or below Vrms e) none i think its D as Vrms is an average but i am not sure

    asked by Sarah
  69. chem

    what would cause scientists t change the current model of an atom

    asked by mel
  70. chem

    how many protons, nnutrons, atomic mass, mass number, and charge to each of the following have? sodium atom fluorine ion stannic ion for sodium i have protons=11 electrons=11 neutral charge how do i find the number of neutrons cause im pretty sure mass

    asked by lyne
  71. Human Services

    What are the merits of multiple perspectives when examining human behavior? Why is it important? Provide examples of the impact of using multiple perspectives when providing services to a family or individual.

    asked by Sasha
  72. psychology

    You would be concerned about possibility of Rh incompatibility if A enzymes produced by the fetus infect the mother B bacteria from the mother cross the placenta and are transmitted to the fetus C antibodies produced by the mother are transmitted to the

    asked by tzeni
  73. chemistry

    what is the electron configuration of a calcium atom whose atomic number is 20

    asked by melissa
  74. Human Behavior

    What are the merits of multiple perspectives when examining human behavior? Why is it important? Provide examples of the impact of using multiple perspectives when providing services to a family or individual.

    asked by Sasha
  75. math

    how do i solve this logarithm log(base 9)X + 3log(base 3)X = 14

    asked by kayla
  76. math

    In 1993, the life expectancy of males in a certain country was 61.3 years. In 1999, it was 64.7 years. Let E represent the life expectancy in year t and let t represent the number of years since 1993. The linear function E(t) that fits the data is? answer:

    asked by deedra
  77. science

    earth science physical geology; If rock A cuts across rock B, then rock A is rock B a. younger than b. the same age c. older than

    asked by Ruthie
  78. Alg 2

    Can someone tell me how to factor 2a^2 - 16ab + 32b I just need someone to help me get started, and I want to see if I can finish it.

    asked by Chopsticks
  79. 7th grade

    features that define the performance of a system are called what?

    asked by jim
  80. Physics also

    A cylindrical diving bell 5 m in diameter and 10 m tall with an open bottom is submerged to a depth of 150 m in the ocean. The temperature of the air at the surface is 20 degrees Celsius, and the air temp 150 m down is 2 degrees Celsius. The density of

    asked by Phil
  81. math

    Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa, and Tom worked together to complete it? A. 0.8 days B. 1.09 days C. 1.23 days D. 1.65 days E. 1.97 days thanks.

    asked by tammy
  82. math

    Solve system of equations x+3y=7 (1) x=8-3y (2) no solution

    asked by deedra
  83. english grammar

    He can bake cakes He can make pastries and pies.

    asked by girl
  84. english need help

    what does thesis mean? like what i want to know is whether it is only a sentence or a paragraph?

    asked by Anonymous
  85. Math

    A square piece of cloth is folded in half to form a rectangle. If the resulting rectangle has a perimeter of 8 inches, what are the area and perimeter of the square piece of cloth?

    asked by Tiffany
  86. ENGLISH

    our assignment for homework was to take a nursery rhyme and make it a different point of view. in order to do that we were allowed to add in phrases to the rhyme any place we thought would sound good. so i took Little Miss Muffet and tried to make it

    asked by Casey
  87. alg 2

    Can someone tell me how to factor 2a^2b - 16ab + 32b Should I factor 2b out of it?

    asked by Chopsticks
  88. Atomic Mass

    Hi if I divide a molar mass of an element by Avogadro's number (63022X10^23) will i have the mass of 1 atom of the element? Thanks

    asked by charlie
  89. social studies

    ok this is the question jefferson believed that the creation of a national bank was a)unconstitutional b)faction c)democratic republicans d)federalist

    asked by allie
  90. chemistry

    arent the allotropes of carbon diamond buckminsterfullerene(or whatever its called haha) and graphite?

    asked by lyne
  91. math

    could someone please check these problems for me? Thank you! 1. -0.7x

    asked by deedra
  92. ESSAY

    How was Brutus considered as ¡®the noblest Roman¡¯ despite the fact that he was one of the conspirators? Julius Caesar, written by William Shakespeare in 1599, was one of the most successful plays in our history. Although it is called Julius Caesar,

    asked by ANDY
  93. math

    could someone please check these problems for me? Thank you! 1. -0.7x

    asked by deedra
  94. algebra

    Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 110 mph. Train A passes a station at 3:10 pm. If train B passes the same station at 3:40pm, at what time will train B catch

    asked by Samantha
  95. ENGLISH

    our assignment for homework was to take a nursery rhyme and make it a different point of view. in order to do that we were allowed to add in phrases to the rhyme any place we thought would sound good. so i took Little Miss Muffet and tried to make it

    asked by Casey
  96. science

    No more solute can dissolve in a solution if it is a--------solution.

    asked by gay
  97. math help pleaseee (: ! <345

    the sales tax rate in a certain state is 5% find the total price paid for a apair of shoes that cost $47

    asked by Mary
  98. World History

    Do you support the colonization of the Philippines by the United States? Explain.

    asked by James Tran
  99. speech

    Can somebody give me examples of words with accented schwa? I also need some videos on how to pronounce words with accented schwa. Thank you.

    asked by klar_maesen
  100. chemistry

    continued from before.... the question was what are three chemical characteristics and ten physical characteristics so then would i have to say something like -when iron rusts or -sugar burns or something like that i was thinking that would just be a

    asked by lyne
  101. Calculus

    Thanks Remy. I have one more - 2y + 9xy-4=0 I got -9y/2 + 9x

    asked by Jane
  102. ENGLISH

    can anybody give me an example of limited omniscient. i already know that it is where you can hear the thoughts of one of the characters but i would just like an example in a sentence. please and thank you

    asked by Casey
  103. 5th grade

    jose and sara are walking around the track at the same time. jose walks one lap every 8 min. sara walks a lap 6 min.what is the least amount of time they would both have to walk for them to cross the starting point together

    asked by asdfg
  104. math

    If Steven can mix 20 drinks in 5 minutes, Sue can mix 20 drinks in 10 minutes, and Jack can mix 20 drinks in 15 minutes, how much time will it take all 3 of them working together to mix the 20 drinks? A. 2 minutes and 44 seconds B. 2 minutes and 58 seconds

    asked by tammy
  105. Basic Math

    Adding real numbers true or false ?| - 8 | + | 3 | = | - 8 + 3 | it is true. Can somebody tell me if I'm right?

    asked by A.W.
  106. Math

    Ok heres another factoring that I need someone to check Problem: -x^3 + 27 -(x^3 - 3^3) So I moved the positive and found out what cubed would make 27 Using the forumla: (a-b)(a^2+ab+b^2) -(x-3) (x^2 + 3x + 9) Right? Or did I make a mistake?

    asked by Chopsticks
  107. math help me plz

    elimination method 1> 7x+15y=32 x-3y=20

    asked by Anonymous
  108. Algebra 1

    I need some help please. I don't understand the math that we are doing. Please explains to me in detail how to do radical expressions and like how to simplify them and stuff. I don't get it and it would be much appreciated

    asked by Can sombody please help me
  109. chem

    A sample of 45.0 ml of 0.750M AgNO3 solution is added to 65.0ml of 1.375M Cr(NO3)3 solution. Calculate the resultant concentration of nitrate ions in the mixture.

    asked by bec
  110. chem

    The term Intrinsic denotes a characteristic or property of some thing or action which is essential and specific to that thing or action, and which is wholly independent of any other object, action or consequence. A characteristic which is not essential or

    asked by lyne
  111. Algebra

    I am having problems figuring out some of my word problems for this week. Could someone check these? The equation y=-1777x+27,153 can be used to predict the number of gun deaths in the U. S. x years after 2000, that is, x=0 corresponds to 2000, x=2,

    asked by Samantha
  112. algebra

    On 3 consecutive passes, a football team gains 5 yards, loses 28 yards, and gains 41 yards. What number represents the total net yardage? 5-28+41 18

    asked by Samantha
  113. noli me tangere

    Hi,there! I'm from Philippines. I need to find the original version of the "Noli Me Tangere" which is written in Spanish with the translation in English.

    asked by joanalyn
  114. 2nd grade Math

    Wich 3 flowers add up to 85 cents? Tulip-48 cents Rose-52 cents Dafidale-25 cents Viloit-37 cents Sunflower-23 cents

    asked by Lauren
  115. Assistance Dogs

    Please check my answer thanks:) After a dog learns to perform a specific task, the task must then be generalized to various locations. The task must then be _______, so that the dog is able to perform the response despite any distractions such as crowds,

    asked by Malie
  116. Math

    2(5x + 1) = 3(3x + 7) a) x = 19 b) x = 20 c) x = 21 Can you please explain it step by step please? I don't get the question and I want some easy, thorough explanation with a through guide of what you're calculating. Thank you so much!

    asked by Renee
  117. Basic Algebra

    Solve the following equation: 3(2x - 5) = 3(x + 1)

    asked by please answer
  118. science

    Does anyone know what letter represents the nucleus of a cell?

    asked by Daniel
  119. science

    what color can be formed by combining complementary colors?

    asked by Olivia
  120. 7th grade

    Does anyone know where I can find video clips of the blue planet ecspecially the part on the coral reef?It is related to the question about why is the coral reef an ecosystem?

    asked by Peyton
  121. Business, help asap!

    here is the case. While in Australia, you discover a raspberry jam with incredible flavour. You know Canadians would enjoy this product, so you import it. The jam sells in stores for $5.00 a jar, a slightly higher price than standrad jam. The Canadian

    asked by Victoria
  122. 6th grade Math

    What is the average (mean) distance you walked? Mon-1 2/3 mi. Tues- 2 3/4 mi Wed - 3 1/3 mi. Thurs. - 1 2/3 mi. Fri - 2 3/4 mi. You plan to walk on Saturday. How far must you walk on this day so that your 6 day average is 2 1/2 miles?

    asked by Hannah
  123. english

    what are the reasons why the students feel sleepy during classes?

    asked by jay-a4
  124. 9th grade

    ms.sue whats the answer?to my question? Thanks,Daves dad

    asked by Dave
  125. English

    Why is Edgar Allan Poe insane?

    asked by Kate
  126. chem

    sorry for all the questions i have an exam tomoro! but what is intrinsic or intensive are they the same?

    asked by lyne
  127. Calculus

    Here's another one - I think that I am starting to understand it. Find dy/dx by implicit differentiation: x^7 = cot y My answer is csc^2y / 7x^6

    asked by Jane
  128. science

    what is defined as a change of position

    asked by kristen
  129. 8th grade

    WRITE A UNIT RATE 250 MILES FOR 20 GALLONS

    asked by MARTIA
  130. Algeba

    Could someone show me how to solver this problem Please!!! Find allnumber for which the rational expression is undefined? 6/y-9

    asked by pj
  131. math

    Can someone help me finish this problem I am stuck! 5/4x+1/8x=11/8+x 10/8x+1/8x=11/8+x 11/8x=11/8+x 19/8x=11/8

    asked by deedra
  132. psychology

    You are likely to be observing the rooting reflex when the baby A turns his or her head and mouth toward a stimulus tha brushes his or her cheek B sucks at almost any object that touches his or her mouth C voluntarily seeks out objects to grasp and to hold

    asked by tzeni
  133. Chemistry

    When working with the combined gas law you would use the following equation: (P1)(V1)/T1 = (P2)(V2)/T2 I am not quite sure how you would rearrange this equation to solve for T2. Please Help ! :)

    asked by Anonymous
  134. editing...

    "Expand and strengthen my academic and professional development." Which other word could I replace the word development with...it does not seem to work in the above sentence....

    asked by Rena
  135. math

    How many degrees are in a hexagon?

    asked by Anonymous
  136. psychology

    which of the following hormones is present in a woman's bloodstream right before she gives birth? A prostaglandis B androgen C amniotic fluids D oxytonic i believe the correct is D but i'm not sure

    asked by tzeni
  137. Chemistry/Physics

    A Sample of gas is held at constant pressure in a cylinder moved by a closed piston. If the volume is halved, how will the new Vrms speed compare with the old one? a) square root of 2 times greater b) the same c) 2 times greater d) 4 times greater e) none

    asked by samantha
  138. physics

    Hi if I divide a molar mass of an element by Avogadro's number (63022X10^23) will i have the mass of 1 atom of the element? Thanks

    asked by charlie
  139. 5th grade

    How do I simplify 4/8 + 5/8 and 7/9 + 6/9? Thanks

    asked by Medi
  140. english

    JOIN THE SENTENCS USING NEITHER-------NOR1.Mani is not good at maths.Mani is not good at Geography.

    asked by ritu
  141. World History

    Do you support the colonization of the Philippines by the United States? Explain.

    asked by James Tran
  142. rehabilitation

    under what circumstances is it easy to turn your will and life over to the care of god

    asked by rob
  143. Science

    When trying to predict, tomorrow's weather, what area would you most want weather information about?

    asked by Traci
  144. math - reqents

    i need sOme seriOus heLp . On . some . linear equatiOn . inequalities packet that i have . please HELP =[

    asked by HiPOLitO
  145. 9th grade chemistry

    what is the study of substances containing carbon?

    asked by hannah
  146. chemistry

    how many moles are in carbon? ow many moles of each element are in methane?

    asked by monica
  147. chemistry

    what are three chemical characteristics and ten physical characteristics so far for physical i have -color -taste -smell -size -luster -shape -texture is this what they are asking for?

    asked by lyne
  148. science

    The liquid in which a solid dissolves is known as a-------

    asked by ritu
  149. 7th grade math

    indicate the measure and the measure unit. 1. there are four windows in the room each 36 inches wide. 2. luisa received a gift of $100 from a relative when she graduated from 8th grade.

    asked by cornelia
  150. Social studies

    I need 10 facts about the Islam religion Thank You: Leslie

    asked by Leslie
  151. trigonometry

    i posted this question up before but it didn't show up. anyways.. i need help determining whether these two statements are true or not. i tried converting them into square roots but never got the right answer. like cos30=square root 3/2. here they are 1.

    asked by y912f
  152. Physics

    Is the average velocit over a specific timeinterval always half of the instantaneous velocity at the end of the interval. I said False, because if the curveis not linear this would not be true. Would this be a a sufficent answeror am I missing anything.

    asked by George
  153. psychology

    Why is the placenta unique as to its origin? A it's the first fetal structure to develop B it's allows the mixing of oxygen and nutrients between mother and child C its develops from material supplied both by the mother and the fetus D it provides the

    asked by tzeni
  154. algebra 1

    You recently have found a location for your bakery and have started implementing the first phases of your buisness plan. Your budget consists of an 80,000 dollar loan from your family and a 38,250 dollar small buisness loan and these loans have to be paid

    asked by tera
  155. Math

    I need some help please. I don't understand the math that we are doing. Please explains to me in detail how to do radical expressions and like how to simplify them and stuff. I don't get it and it would be much appreciated. here is one of the problems.

    asked by MissyQ
  156. 7th grade

    Why is the coral reef an ecosystem?

    asked by Peyton
  157. History

    Did Mayans sacrifice by using fire? Thanks for your help!!

    asked by Louise
  158. social studies

    What was Hamilton and his supporters called?

    asked by allie
  159. 4th Grade Social Studies

    What landform in Mexico is compared to the Grand Canyon in the U.S.?

    asked by Rosalie
  160. biology

    how do you recognize someone with turner's syndrome?

    asked by dee
  161. math

    how many mL in .00670 grams of a substance that has a density of 1.96 g/cm3. do you do 1.96g/cm3 divided by .00670 grams to solve for cm3 since cm3 = mL

    asked by lyne
  162. English/Latin Translation

    How do you say "live free" in latin?

    asked by Stephanie
  163. Hunting Training for Dogs

    Please check my answer thanks :) True or False field trials are noncompetitive events I say that it is True

    asked by Malie
  164. English

    Why is Edgar Allan Poe insane?

    asked by Kate
  165. Algebra 1a

    Can you help me ? (: solve for t 2 c=3s t The s has an exponent of 2.

    asked by Mary
  166. Assistance Dogs

    Please check my answer thanks:) Heidi and her sight-impaired owner Becky are walking from school back to Becky's apartment. There's a water-main break in the next block and Heidi turns to take an alternate route to the apartment. Becky tries to continue

    asked by Malie
  167. song interpretation

    my daughter got an assignment to prove the genre of the song hello muddah hello faddah using the song as proof. what does this mean I looked up the word genre in the dictionary and that was a waste can u pls help me.....thanks

    asked by Glen
  168. IT 221

    You are in the implementation phase of a project and your customer indicates they need a specific change to the project that changes the scope of the deliverables. How would you handle this request and why?

    asked by Sam
  169. psychology

    A pregnant mother may be wise to avoid all alcohol, since even social drinking may result in A fetal alcohol effect B a near certainty of miscarriage C schizophrenia D growth retardation i believe the correct answer is A

    asked by tzeni
  170. Calculus

    Answer ? - impicit differentiation Find dy/dx & d^2y/dx^2 y^2 - x^2 = 2 is the answer dy/dx=x/y; d^2y/dx^2= y^2-x^2/y^2

    asked by Jane
  171. Alg 2

    Ok heres another factoring that I need someone to check Problem: -x^3 + 27 -(x^3 - 3^3) So I moved the positive and found out what cubed would make 27 Using the forumla: (a-b)(a^2+ab+b^2) -(x-3) (x^2 + 3x + 9) Right? Or did I make a mistake?

    asked by Chopsticks
  172. geometry

    whats the formula for area of a triangle pyramid?

    asked by alex
  173. business

    What's the benefits of trade. Description of increased quantity and quality of goods and access to resources.

    asked by Victoria
  174. english

    what is an affix ....is it the ending added to a root word

    asked by trisha
  175. Calculus

    I am lost. Find dy/dx by implicit differentiation. 1) 5y-2x^2=x-3

    asked by Jane
  176. Math 115

    4 - (-) + 1 ____________ 2 - 2 ÷ (2) I have asked for help with this and Ms Sue said is was not able to be solved. Here is what my instruscot says: Debbie, it definitely has an answer. Be careful with your signs and remember that in the denominator you

    asked by Deb
  177. business law

    A company has a problem with one of their directors, they have written to say that he is failing to contribute fully with the company. They would like to remove him, but would this cause them any financial problems?

    asked by sabi
  178. 6th grade

    I'm supposed to write a paper on the "real" reason behind not running in the house. It's just why you think you shouldn't run in the house, just something funny nothing real. What should I say is the reason, that will make my class laugh?

    asked by alice
  179. English

    Please check my essay and make corrections. In the famous play, Julius Caesar, the most important characters would have to be Caesar and Brutus. Each character has its distinctive role, Caesar as the ruler of Rome and Brutus as one of the Caesar¡¯s best

    asked by Andy
  180. Criminal Procedures

    Criminal Procedures Topic At 12:00 p.m., on August 16, 2005, Robert Smith began his journey to freedom down the halls of the prison he called home for the last 2 years. Despite receiving a 5-year sentence, Robert was paroled for good behavior. His lawyer

    asked by Ree
  181. math

    find the product. 2/3 x 7/8

    asked by Paul
  182. math

    What does it mean to have two matrix variables written vertically inside parentheses? In other words, if A and B are matrices, what does this mean (imagine there is one set of parentheses spanning both rows): (A) (B) I'm trying to understand a least

    asked by sergei
  183. algebra

    Amy paid $62.18 for shoes during a 15% off sale. What was the regular price? $71.51 is this correct?

    asked by Samantha
  184. spelling

    brother is to mother like fly is to? 4 letters and must include scr spr str or thr

    asked by Jane
  185. math

    x^2 = x^2-1 = x^2-1 = (x-1)(x+1) -x = 1 x-1 x-1 Is this right, please help thanks

    asked by Julissa
  186. Assistance Dogs

    Please check my answer thanks :) Service dogs are often taught to recall to a person A. sitting in a wheelchair. B. lying down. C. standing with crutches. D. kneeling down I picked A

    asked by Malie
  187. analogies/spelling

    fifteen is to five like nine is to ? 5 letters starts with scr, spr, str, thr

    asked by john
  188. Assistance Dogs

    Please check my answer thanks :) 10. Guide dogs are usually at least medium-sized because they A. need to be able to reach up to counters and table tops. B. are required to pull wheelchairs during training. C. need to be able to see above obstacles. D.

    asked by Malie
  189. Pre-algebra

    its telling me to find the product 5/6 x (-8) what i got was -6 2/3 can you tell me if i was right and how?

    asked by Linda
  190. psychology

    As it turns out, children whose mothers took diethylstilbestrol during pregnancy A show serious mental deficts by age five B have higher infertility rates when grown C are more likely to develop lung cancer late in life D are more likely to engaged in

    asked by tzeni
  191. Accounting 101

    What type of transaction decreases a liability and increases a liability.

    asked by Carol
  192. math

    F6P = 0.504(1.3 − F6P) -solve for F6P?

    asked by lanka
  193. Dr Bob

    okay and i don't understand what they are asking for for chemical characteristics. i was thinking like density, melting point, and boiling point but arent those physical too?

    asked by lyne
  194. math

    what is the answer to 4/7 divided by 8/9 my teacher isnt very good at helping me

    asked by Lala
  195. english

    Rewrite the following as complete sentence neither---nor 1.Shanti doesnot have an extra pen.Neelima doesnot have an extra pen either.

    asked by ritu
  196. English

    Please check my essay and make corrections. In the famous play, Julius Caesar, the most important characters would have to be Caesar and Brutus. Each character has its distinctive role, Caesar as the ruler of Rome and Brutus as one of the Caesar¡¯s best

    asked by Andy
  197. chem

    are these correct when solving for proper significant figures 2.33 + 4.0045=6.33 .000456 + 1.0023=1.0027 2.33/4.0045=.582

    asked by lyne
  198. eth 125

    Post your response to the following: If someone made the below statements to you, how would you explain that the statements are misconceptions? Include whether you think most Americans believe these misconceptions, and why or why not. o Asian Americans and

    asked by Meshell
  199. health care

    Does the AMA ethics opinion mention encryption as a technique for security

    asked by Dorothy
  200. college

    can someone please help me solve the following problems Solve the following: 1. 2/7 - 1/3 = ? 2. 4/5 x 15/2 = ? 3. 2 1/2 ÷ 3/4 = ?

    asked by sandra
  201. math logarithm

    proof: 2/ log a base 9 - 1/ log a base 5 = 3/ log a base 3??

    asked by MAYA
  202. technology

    What are the parts of an Overhead Projector?

    asked by stunning[gurl]
  203. matyh

    x^2 = x^2-1 = x^2-1 = (x-1)(x+1) -x = 1 x-1 x-1 Is this right, please help me solve

    asked by Julissa
  204. Math

    What is the scientic notation of 6,100?

    asked by Kegan
  205. Music reading

    How to improve sight reading?

    asked by Lily
  206. Science

    what are some things you can see in the sky?

    asked by Judy
  207. ALGERBA

    Can someone help me solve this please? [SQRT(2x2 + 6x + 4)] = x + 1

    asked by Lucas
  208. 3rd grade-music

    How can you prove the genre of the song, "Hello Muddah Hello Faddah", using the lyrics in the song?

    asked by Elaine
  209. algebra

    t/3

    asked by Stephanie
  210. lit

    could you help i need abou 6 ideas for a expository piece Thanks:leslie

    asked by Leslie
  211. Literature

    would you say darwinism is the most believed out of all the evolutionary theories?

    asked by Mandy
  212. Basic Math

    How do I do this problem : (-9)^2 - (-6) ^2

    asked by A.W.
  213. Basic Math

    (-9) to thr second power minus (-6) to the second power: I got this -9 * -9 - (-6)(-6) = 81 - 36 = 45 is this right ?

    asked by A.W.
  214. global

    who is lenin

    asked by adam
  215. social studies

    When did hatshpsut come to power?

    asked by sam
  216. simple science

    1. growing vegitation on top of a building: what is it called? 3. what are three ways trees cool down an area?

    asked by brooke
  217. Basic Math

    Can somebody see if I did these right? 16 divided by (-2)(-4) over 2 to the third power plus 4= 16 divied by 8 over 6 + 4= 2/ 10 = 1/5. and 4 - (-3) + 1 over 2-2 divided by (-2) = 4+3+1 over 2-2 divided by (-2)= 8/3 = 2 2/3. Is what I got ; does my answers

    asked by A.W.
  218. science

    a device that uses electicity to a force to move things

    asked by greg
  219. Science

    What causes tides?

    asked by Ashley Bernal
  220. history

    why did president johnson would find it necessary to encourage congress to cooperate with him? thank you

    asked by Corey
  221. math

    what is sixtimes five?

    asked by ashley
  222. chem

    need help on chemistry below

    asked by lyne
  223. Assistance Dogs

    Please check my answer thanks :) . Which of the following is not an important job for a puppy foster family to teach? A. Socialization B. Housetraining C. Appropriate chewing D. Play bowing I think it is D

    asked by Malie
  224. psychology

    Betty's cervix is fully dilated and contractions are strong. Nurse Lee explains to Betty's husband that his wife is in the 'blank' stage. A crowning B effacing C placental D transition i believe the correct answer is D.

    asked by tzeni
  225. 205

    Michael Jackson has had more plastic surgery than anybody else in California. You can bet he's had more than anybody in Connecticut!

    asked by babyboom
  226. math

    i need help in some fraction problems

    asked by leyla matiaz
  227. 7th grade

    -2n +4-3n=

    asked by tj
  228. math logarithm

    proof: 2/ log a base 9 - 1/ log a base 5 = 3/ log a base 3??

    asked by MAYA
  229. Basic Math

    Can somebody see if I did these right? 16 divided by (-2)(-4) over 2 to the third power plus 4= 16 divied by 8 over 6 + 4= 2/ 10 = 1/5. and 4 - (-3) + 1 over 2-2 divided by (-2) = 4+3+1 over 2-2 divided by (-2)= 8/3 = 2 2/3. Is what I got ; does my answers

    asked by A.W.
  230. math

    wait how do i do this one then same thing? 10 x (-2 3/11)

    asked by Paul
  231. precal

    (-8)the exponent is -1/3

    asked by ash
  232. Check my previous post

    thanks.

    asked by Chopsticks
  233. algebra 2

    factor this: x^2-6=10

    asked by Sally
  234. mathj

    inverse of (x+2)^2 is it sqrt of (x) - 2

    asked by maddie
  235. 7th grade

    what is a adjective for things which belong to britain

    asked by Anonymous
  236. precal

    (48)with the exponent of 1/2

    asked by ash
  237. social studies

    how did cultural borrowing bring writings to greece

    asked by linda