Questions Asked on
January 30, 2015

  1. physics

    A ball is dropped from an upper floor, some unknown distance above your apartment. As you look out of your window, which is 1.5 m tall, you observe that it takes the ball 0.18 seconds to traverse the length of the window. Determine how high above the top

    asked by ryan
  2. Math

    Express the function in the form f o g if g(t)=csc t u(t)= sqrt(csc t) f(t)=?

    asked by Tay B
  3. psychology

    A company supervisor asks for volunteers from the first shift to help assemble a new binding machine that must be on-line within the next 24 hours. Grady lifts his chin and his shoulders, nods, and says, "I can do it." In the social cognitive perspective

    asked by Anonymous
  4. Physics

    A 50 kg satellite circles the earth in an orbit with a period of 110 min. What minimum energy E is required to change the orbit to one with a period of 320 min? Assume both the initial and final orbits are circular. The Earth’s radius is 6.37 × 10^6 m,

    asked by Steven
  5. math

    The box plots show attendance at a local movie theater and high school basketball games: Which of the following best describes how to measure the spread of the data? The IQR is a better measure of spread for movies than it is for basketball games. The

    asked by tyler lewis
  6. Algebra 2

    let f(x)=-2x+4 and g(x)=-6x-7 find f(x)-g(x) please help me with the steps? I'm so confused..

    asked by Jasmine
  7. LA Check please

    which is the best paraphrase of these lines from "January"? Fat Snowy Footsteps Track the floor, A)Thick, snowy footprints show where animals walked B)Thick, snowy outlines of feet mark the floor ****** C)Large snow boots lie on the floor of the house D)A

    asked by Shay
  8. Constituion

    1. The case of Jones v. Clinton (1997) involved what issue? A. Executive privilege B. War-making authority C. Pardon power D. Executive immunity is it D 2. A president is: A. absolutely immune from suit for executive functions. B. presumptively immune from

    asked by Amy
  9. pre calculus

    12. Use the remainder theorem to find P (-2) for P(x) =x^3+2x^2-x-7. Specifically, give the quotient and the remainder for the associated division and the value of P (-2). Quotient =? Remainder =? P (-2) =?

    asked by gary
  10. math

    a wire of length 24cm is bent to form a square.find the area of the square formed.

    asked by sss
  11. Social Studies

    What was one event that helped make the united states a world power? A. The country experienced the Great Depression. B. The country fought in World War I. C. The country signed the Peace of Paris D. The country fought in the French and Indian War.

    asked by Helper
  12. math

    Select all pairs of ratios that form a proportion. 1/6,4/20 7/9,28/36 14/18,21/27 30/80,6/18

    asked by lily gardener
  13. chemistry

    A 0.97 m aqueous solution of an ionic compound with the formula MX has a freezing point of -2.5 ∘C .

    asked by Brittney
  14. Physic

    A bullet traveling horizontally at a speed of 350m/!@#$%^&s a board perpendicular to its surface, passes through and emerges on the other side at a speed of 190m/s . If the board is 3.80cm thick, how long does the bullet take to pass through it?

    asked by Arneisha
  15. Physics

    A bullet is fired through a wooden board with a thickness of 12.0 cm. The bullet hits the board perpendicular to it, and with a speed of +370 m/s. The bullet then emerges on the other side of the board with a speed of +333 m/s. Assuming constant

    asked by Grayson
  16. anthropology

    Explain the different lineages, clans, moieties, and phratries

    asked by jimmy
  17. Math- check my answers pls

    Find the area of blue portion of the irregular shape to the right. Round to the nearest tenth. connexus . com /content/media/642756-212012-23145-PM-1090153268.png i'll upload to imgur if it doesn't work A. 2.7 in2 B. 9.7 in2*** C. 3.4 in2 D. 8.3 in2 i

    asked by ijijijijij
  18. Science

    In humans, the allele for curly hair and the allele for straight hair show incomplete dominance. The offspring of a curly-haired person and a straight-haired person will have... I think it is curly and straight hair. Help please ?

    asked by Ruby :)
  19. Social studies

    Why did the first English settlers come to America? A. to find gold B. to become fur traders C. to start new life D. to become missionaries I need help :-(

    asked by Helper
  20. Constitutional

    What case involved the delegation of voir dire in criminal cases? A. Touby v. United States B. Gomez v. U.S. C. Peretz v. U.S. D. Samuels v. U.S. is it C

    asked by Amy
  21. Criminal Justice/Judicial Process

    The power of a court to resolve a dispute: A. Jurisdiction B. Territory C. Indirect control D. Discretion Is it A?

    asked by Pat
  22. Calculus

    Determine the interval(s) at which f(x) is concave up given that f′′(x)=−x2+x+6. Critical points are: -2 & 3

    asked by joshua
  23. Physics

    Ali and his father sit at the ends of a see-saw, 2 m from the pivot, as shown in figure 5.12. Where should ali's mother sit in order to balance the see-saw?

    asked by Fiesta

    I need help finding real life examples for the scarlet letter themes? Do the ones I have fit the themes? Are they correct? 1. Guilt can destroy a person, body, and soul. I was thinking soldiers who fight overseas in countries and having to kill innocent

    asked by Amy
  25. Chemistry

    For a certain reaction, Kp = 3.54 at 325 C. Find delta G 598 K in kJ/mol.

    asked by Anonymous
  26. reading

    Scientists generally agree that Earth is getting warmer due to what's called the greenhouse effect. A greenhouse used for plants stays warm because sunlight and heat coming through the glass roof are mostly trapped. The heat doesn't radiate back into the

    asked by Anonymous
  27. algebra 2

    f(x)=3x-7 and g(X)=-2x-6. Find (f o g)(4)

    asked by Jasmine
  28. art

    why did artist christo think it was important not to rely on any donors when he wrapped the miami islands in pink?

    asked by eliz
  29. Math

    A rectangle has sides of length x cm and 2x - 4cm and the length x cm at time t seconds is given by x = 2 + 3t, (t >=0) . Show that the area, Acm2 , the rectangle, in terms of t is A =12t + 18t^2 . Hence find the rate of change of the area at the instant

    asked by Aaqib
  30. math

    Mrs. Healthy walked along a running track at 2400 m/h. She took 4 min more than Mrs Wise to walk the entire length of the track once. If the track is 800 m ling, Mrs Wise's average speed was ____ m/min.

    asked by Rella
  31. Algebra 1

    How can the polynomial 6d^4+9d^3-12d^2 be factored?

    asked by Steve
  32. Science

    What factors will be important in deciding the future use of energy resources?

    asked by Dakota
  33. consumers

    you go to the whome insurance company for auto insurance the charge $525.00 as a base rate for six months of insurance for your vehicle they offer a 15% discount for safe driver habits and a 10% discount for an excellent credit rating of 5% for a good

    asked by Anonymous
  34. Language arts 1 question please

    edgar allen poe uses a pair of rhyming words to describe trying to hold sand in "a dream within a dream". in a short paragraph tell what the words are and how they express the speakers feelings I do NOT want someone to give me the meaning or feelings I can

    asked by Delia
  35. Language Arts

    This is Grandma Ling If you dig that hole deep enough you'll reach China, they used to tell me, a child in a backyard in Pennysylvania. Not strong enough to dig that hole, I waited twenty years, then sailed back, half way around the world. In Taiwan I

    asked by Callie
  36. Language Arts

    If something begins to recede into the distance, what is happening? A. It is moving closer. B. It is growing larger. C. It is growing smaller. D. It is moving farther away. Is the answer C? Thank you

    asked by Callie
  37. math

    in an arithmetic sequence the common difference is equal to 2.the first term is also the first term of a geometric sequence. the sum of the first 3 terms of an arithmetic sequence and the sum of the first 9 terms of an arithmetic sequence form the 2nd and

    asked by Brainblocked
  38. Mowat Park High School

    History, geography, life science and math litrecy what career choice do or career field do I go to with these subjects

    asked by Sbulelo Makhele
  39. Psychology

    Check my answers, please? If you're an eligible woman in search of Mr. Right, chances are that you're most likely to be impressed by a man's A. thrift and money-management skills. B. age—if he's several years your junior. C. record of steady employment.

    asked by Kt
  40. anthropology

    2.As an anthropologist you are interested in the dynamics of a Matrilineal society. What characteristics would you identify as unique within this kinship system from your own? 3.Why do kinship systems work? Where, if any, would you find a working kinship

    asked by jimmy
  41. chemistry

    nearest star distance of 4.3 light years proxima centauri is the nearest star to our solar system. what is the distance to proxima centauri kilometers? the speed of light in space is 2.998 x10^8 m/s.

    asked by help plz
  42. physics

    A capacitor is rolled from two strips of aluminum separated by two strips of paraffin-coated paper. Each strip is 5.40cm wide. The foil is 7.00μm thick, and the paper is 50.0μm thick. What length, in cm, should the strips be if a capacitance of 24.0nF is

    asked by Anne
  43. math

    what is the expression for the area of the shaded region in the diagram in factored form? diagram: (shaded) Large circle have diameter of 8x (clear) small circle have diameter of 8y ___ my work: Area of large circle - Area of small circle Pi * 4^2 - pi *

    asked by Jay
  44. anthroology

    Describe the distinct differences between lineages, clans, moieties, and phratries are all types of decent groups. Lineage is a descent group that can demonstrate their common descent from a known apical ancestor. depending on whether they through mother

    asked by jimmy
  45. anthropology

    3. Why do kinship systems work? Where, if any, would you find a working kinship system within the United States? Give examples for both questions. most of us are in a kinship system with spouses, children, parents, grandparents, siblings, uncles and aunts.

    asked by jimmy
  46. math

    marisol is painting on a piece of canvas that has an area of 180 square inches. the lenght of the painting is 1 1/4 times the width. what are the dimensions of the painting

    asked by cristina
  47. math

    consuelo's living room is in the shape of a rectangle and has an area of 360 square feet. the width of the living room is 5/8 its length. what is the length of the living room

    asked by cristina
  48. physics

    The equation of a SHM of a 600 g object is given as x = 0.45 cos 6.4 t where the displacement x is in meters and time in seconds. What is the total energy of the system?

    asked by ll
  49. delete post please

    Please delete my post Posted by Marie on Thursday, January 29, 2015 at 3:59pm.

    asked by marie
  50. Physics

    In raising the steel mass 6.0m, the electric motor uses more energy than that calculated in (a)(i). Write down and explain two causes of this higher energy requirement.

    asked by Timber

    if answers are wrong tell me the correct ones please. Thank you! which description fits the limerick about the fellow named Hall? A) a poem about something funny with five lines. B) a serious poem without rhyme

    asked by Vanessa16
  52. Physics

    A 5 gram bullet is fired into a 7 kg ballistic pendulum suspended vertically from the ceiling. If the bullet embeds into the block and the two move as one to a new final height of 12 cm. What was the initial velocity of the bullet before impacting the

    asked by Clara
  53. Physics

    A 1800 kg mass car is traveling south at a velocity of 15 m/s through an intersection. It is hit by a 3500 kg mass car traveling east at 20 m/s. If the two cars collide and become one object (perfectly inelastic). What will be the final displacement of the

    asked by Clara
  54. Math

    A rectangle family room is 8 yards long and 5 yards wide . At $30 per square yard , how much will it cost to put down vinyl sheet flooring in the room ?

    asked by Anonymous
  55. physics

    A bowling ball with a mass of 4.5 kg travels at a velocity of 37 m/s for 2.5 s until it is stopped at the end of the lane by the ball return. What additional information is required to determine the weight of the bowling ball? A. the amount of friction

    asked by Anonymous
  56. science

    Explain how the chemical compounds that were once in a piece of granite exposed on the top of a mountain may today be found in a piece of basalt.

    asked by Bartek
  57. Anthropology

    In every culture, cultural constructs will be found. What are the cultural constructs found in the U.S., and how are they used to define gender in society? Compare gender constructs in Pastoralist societies. What differences do you find between the United

    asked by jimmy
  58. Anthropology

    2.Within all societies of the world there are dynamics, known as taboos, that vary by the cultural elements themselves. Anthropologists do find traits and taboos that are similar to other existing cultures but never utilized or practiced exactly with the

    asked by jimmy
  59. algebra

    Divide 36x^3-73x^2-45x-6 __________________ 9x + 2

    asked by slomo
  60. Physics

    A Boeing 747 "Jumbo Jet" has a length of 55.9 m. The runway on which the plane lands intersects another runway. The width of the intersection is 24.0 m. The plane decelerates through the intersection at a rate of 5.61 m/s2 and clears it with a final speed

    asked by Grayson
  61. Physics

    A cheetah is hunting. Its prey runs for 2.88 s at a constant velocity of +8.93 m/s. Starting from rest, what constant acceleration must the cheetah maintain in order to run the same distance as its prey runs in the same time? (Give the magnitude of the

    asked by Grayson
  62. physics

    A jet plane lands in an airport with a speed of 125 m/s and can accelerate uniformly at a maximum rate of -9.8 m/s2 as it comes to rest. What should be the minimum length of the runway so that the jet plane can land in the airport safely?

    asked by james
  63. Algebra 1

    There is a circular garden in the middle of a square yard. The radius is 4x. The side length of the yard is 20x. What is the area of the part of the yard that is not covered by the circle?

    asked by Steve
  64. Math

    A math teacher wishes to use groups of 5 and/or 7 students for a class assignment. When she tries to make assignments she notices that it cannot be done with the number of students in her class. However, if the number of students were any larger, the

    asked by Danielle
  65. algebra

    Solve by factoring: x^2 + 5x = −6 Please help! I have a test next week and this is one of the practice problems and I do not understand this. I will not graduate unless I get a C. Please, Please!! Thank you

    asked by slomo
  66. Physics

    An object in space is initially stationary relative to the Earth. Then, a force begins acting on the object, starting with a force of 0 N, and increasing at a uniform rate until the magnitude of the force is 56 N after the force has acted for 10 s. The

    asked by Kev
  67. ela

    Which is the best paraphrase of these lines from "Grandma Ling"? and there I faced my five foot height, sturdy legs and feet, (1 point) And there I saw someone the same height as me, with strong legs and feet. And there I stood as tall as I could on strong

    asked by Anonymous
  68. Math

    What is the GCF of the terms 8c^3+12c^2+10c? my answer is 2c

    asked by Steve
  69. average

    A cyclist completed a competition in 1 1/4 hours at an average speed of 800 m per minute. How many KM did he cycle. do you just convert it to km?

    asked by berba
  70. algebra

    Find the quotient 6s^7p^8-6s^5p^6+27s^3p^4 _________________________ 3s^3p Please help, I am lost on this process

    asked by slomo
  71. math

    cube root of 1331 * square root of (1/4) = 5.5 correct?

    asked by GD
  72. Algebra 1

    The radius of a cylinder is 3x-2cm. The height of the cylinder is x+3cm. What is the surface area of the cylinder?

    asked by Steve
  73. conversion

    How much longer, in seconds, is required to drive 1 mile at 40 miles per hour than at 60 miles per hour? 1 hour = 60 minutes 1 minute = 60 seconds

    asked by berba

    equation: simplify -1(-a)^2 + (-(-a))^2

    asked by equationhelps
  75. government

    Explain the process for how a bill becomes a law Utilize 2 actual bills as examples

    asked by anonymous
  76. absolute value

    simplify the expression lx+1l - lx-1l. (X is 75% between 0 and 1 on the numberline)

    asked by equationhelps
  77. math

    If n is a positive integer, then what is the value of (2/3)^n (1 1/2)^n-1? for positive integer n? Express your answer as a common fraciton?

    asked by equationhelps
  78. English

    So I'm doing real life examples of scarlet letter themes . I just need help with or not what I hose actually fit the theme . True repentance must come within I chose the prodigal son from the New Testament How do I explain how did this fits the theme?

    asked by Amy
  79. science

    what is the central theme of the "As Cheap as Coal" portion in Section 8.1 of your text?

    asked by Anonymous
  80. 7th grade math

    i am having a hard time understanding the venn diagram can someone explain it to me

    asked by unknown
  81. Language Arts

    Which is the best paraphrase of these lines from "Grandma Ling"? and there I faced My five foot height, sturdy legs and feet, A. And there I saw someone the same height as me, with strong legs and feet. B. And there I stood as tall as I could on strong

    asked by Callie
  82. anthropology

    Why do you think nearly everyone abhors these two practices?

    asked by jimmy
  83. fin

    what are the reason behind m&a waves of the 1980 and 1990

    asked by kim
  84. Health care

    How might a community become involved in making public health interventions more effective?

    asked by Joetta Deese
  85. MATH

    which following trinomial is a perfect square? A. x^2 + 2x - 3 B. x^2 - 4x - 4 C. x^2 + x + 1/4 D. x^2 - x -56 question B & C 1-term and 3-term is perfect square. how do figure which is perfect square?

    asked by IVY
  86. environmental science

    This is a request: Can you share your opinion about drought and what can you do about it?

    asked by cyrille
  87. college Algebra

    ANemployee is paid a base salary of $2,150 a month plus an 8% commission on all sales over $7,000 during the month. How much must he sell in one month to earn a total of $3,120 for the month/

    asked by Chuck
  88. math

    IF 121a^2b^2 + kab + 4b^2 is a perfect square trinomial, then the positive value of k must be ________. my work: 121a^2b^2 = 11ab 4b^2 = 2b Then 2nd term k is twice the product of 11ab & 2b , so the value of k must be: 44 am i right or wrong?

    asked by GD
  89. Science

    How can an offspring inherit a recessive trait ? Is it when both parents carry that trait? In the plant shown (plant is an orchid with equal numbers of small white and purple specs on each petal) , the allele for the purple flower color is most likely:

    asked by Ruby :)
  90. spanish

    Juan se lava el pelo con la pasta de dientes. (1 point) Question 5 options: 1) True 2) False

    asked by Anonymous
  91. environmental science

    Its a request:(answer sincerely and think like you're in a pageant) If you were crowned tonight, what can you contribute to heal the wounds of Mother Nature?

    asked by cyrille
  92. English

    I need to make sure these has the correct punctuation. Ive already done them, i just want to be positive 1.Kenneth scored the winning touchdown, and he was crowned Homecoming King. 2. Eggs and bacon make a good protein-based breakfast so you don’t get

    asked by Jay
  93. psychology

    1. The most common of all of the psychological disorders is A. bipolar disorder. B. acute stress disorder. (C). depression. D. schizophrenia. 2. In the Freudian psychoanalytic perspective, the id is to the pleasure principle as the ego is to the _______

    asked by Anonymous
  94. math -factor

    factors of 9x^2 - 1/100. = (3x + 1/50)(3x - 1/50) ?

    asked by Jay
  95. physics

    Determine the capacitance, in pF, of a paper-filled parallel-plate capacitor (dielectric constant=3.70) having a plate area of 5.40cm2 and plate separation of 590 µm. Use 8.85 x 10-12 F/m for εo, the permittivity of free space

    asked by Amanda
  96. Spanish Homework

    Hi! I was wondering if someone can check my answers? Thanks! Directions: Respond correctly by using informal, formal, plural, and nosotros commands. 1.) Form the command for a friend: Don't come. My answer: No vengas. 2.) Form the command using the correct

    asked by Debbie
  97. Constitution

    When a president signs a law, but makes a written statement about that law, it is referred to as: A. an amendment. B. a signing statement. C. an executive order. D. a pocket veto. is it B

    asked by Amy
  98. Science

    Describe how the Triassic period was a transitional time period during the Mesozoic era. Explain why the boundary between t he Triassic and Jurassic periods is similar to the boundary between the Permian and Triassic periods.?

    asked by Khary
  99. Green Chemistry

    The primary route for making copper iodide is by reacting potassium iodide with copper sulfate: 2CuSO4 + 4KI + 2Na2S2O3 ==> 2CuI + 2K2SO4 + 2NaI + Na2S4O6 Identify potential green chemistry and green engineering challenges of the reaction.

    asked by Henry
  100. logic and design

    algorithm for waking in the morning, making and eating breakfast, I don't feel this is enough for my teacher can you help me. Idon't know if i have enough code start get up while not awake drink coffee endwhile if temperature < 65 then wear sweater else

    asked by lee
  101. math

    Hi my question is find the value of the following. 6! 8! over 9! 5! If your answer is not an integer, write it as an exact fraction. Thank you so much. I have no idea how to do it.

    asked by mary ann
  102. chemistry

    What is the molar mass of pentane if 4.18 ~ 1016 molecules of pentane weigh 5.00 ƒÊg?

    asked by ashley
  103. physics

    a) Determine the capacitance, in pF, of a paper-filled parallel-plate capacitor (dielectric constant=3.70) having a plate area of 5.40cm2 and plate separation of 590 µm. Use 8.85 x 10-12 F/m for εo, the permittivity of free space. For this I got

    asked by Amanda
  104. English

    move-to know how others feel and why feel that way ---------------- Is the definition of "move" "to know...."? Is the definition grammatical? eg. His speech moved people in the hall.

    asked by rfvv
  105. Calculus

    The volume, V cm3 , of a cone height h is pi x h^3 / 12 If h increases at a constant rate of 0.2 cm/sec and the initial height is 2 cm, express V in terms of t and find the rate of change of V at time t.

    asked by Akki
  106. Science

    which conditions characterize a high-pressure area? 1. low density, low humidity 2. high density, high humidity 3. high density, low humidity** 4. low density, high humidity

    asked by Anonymous
  107. math

    Four students, Rick, Robin, Ryu, and Roy are registered for the same class and attend inde pendently of one another, Rick 96.5% of the time, Robin 93.3% of the time, Ryu 8 8.2 % of the time, and Roy 77.9 % of the time. What is the probability that on any

    asked by jen
  108. Science

    geologist finds fossils of a lizard-like dinosaur and a fern-like tree in layers that are 1.0 m and 1.5 m deep. However, in a layer that is 2.0 m deep, he finds fossils of bony fish and shellfish. Which explains? 1. The continent shifted to a polar region.

    asked by Anonymous
  109. Science

    What is the central theme of the “As Cheap as Coal” portion in Section 8.1 of your text? (Points : 1)

    asked by Ashley
  110. Sociology of Sports

    In the coverage of women's sports, it is common for the media to

    asked by Anonymous
  111. College interview

    Hi! I was just wondering if one of the teachers could tell me whether or not it is unprofessional to wear colored contact lenses to a college interview? The colors aren't drastic colors but they are contact lenses nonetheless. thanks!

    asked by Mary
  112. anthropology

    Is this right answers for1.Describe the distinct differences between lineages, clans, moieties, and phratries. Unilineal descent systems usually organize people into more structured groupings than are formed by bilateral descent rules. Four kinds of

    asked by jimmy
  113. math

    please can you explain this to me I don't understand! Find the value of the following 10! 11! over 7! 13! If your answer is not an integer, write it as an exact fraction. thank you so very much

    asked by mary ann
  114. Calculus

    Determine the interval(s) at which f(x) is concave up given that f′′(x)=−x2+x+6. a) (–2, 3) b) (–∞, –2), (3, ∞) c) (–∞, –3), (2, ∞) d) (–2, ∞) e) (–∞, 3)

    asked by joshua
  115. Math

    A cubic foot of water weighs 62.4 lb. A basketball has a radius of 0.39 ft. How much would the basketball weigh if it was filled with water I did 4 times pie times 0.39^3 over 3 and get 0.24834888, I just need to know what to do now ^= power symbol

    asked by John
  116. math

    what is the greatest common factor of the polynomial show: rectangle tiles that have 6x and 6 look like this: ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** !!! !!! !!! !!! !!! !!!

    asked by Jason
  117. Physics

    Two point charges Q1=-6.80nC and Q2 = -5.80nC are separated by 33.0cm. What is potential energy of the pair? Answer in units of Joules.

    asked by Emily
  118. Physics

    Ali and hid father sit at the ends of a see-saw, 2 m from the pivot, as shown in figure 5.12. Where should ali's mother sit in order to balance the see-saw?

    asked by Fiesta
  119. Geography

    What are the latiudinal positions of the temperature/mid latitude cyclones during january and july?

    asked by Rabelani
  120. Criminal Law

    Which amendment to the Constitution prohibits double jeopardy?

    asked by Anonymous
  121. Criminal Law

    Can someone be convicted for multiple crimes for one act?

    asked by Anonymous
  122. Criminal Law

    How can a person be charged with multiple crimes through the legal concept of "lesser included offenses"?

    asked by Anonymous
  123. Chemistry

    H= -20 kJ/mol and S= -75 kJ/mol A) is this process thermodynamicslly favored? B) does the equilibrium lie to the left, right, or close to the middle? For A I don't think it is. B?

    asked by Anonymous
  124. Criminal Law

    How do lesser included offenses not violate double jeopardy protection?

    asked by Anonymous
  125. math

    Arnie skates 1 3/4 miles to the lake, then goes 1 1/3 miles around the lake, and then back home. How many miles did he skate?

    asked by Anonymous
  126. English

    1. I studied math for 10 years, but I'm still not good at it. 2. I have studied math for 10 years, but I'm still not good at it. ----------------- Which one is grammatical?

    asked by rfvv
  127. English

    1. It's no use worrying about it. 2. It's no use to worry about it. 3. It's of no use worrying about it. 4. It's of no use to worry about it. --------------------- Which ones are grammatical? What does 'it' in the front refer to in each sentence?

    asked by rfvv
  128. English

    Mr. Nikumbh ---------- Nikumbh is an Indian name? How do you pronounce? Do you pronounce 'b' after 'm'?

    asked by rfvv
  129. Science:Physics

    Nilo drives is van with an average velocity of 45.0 km/h along the North Expressway. How long will it take him to drive 350 km on a perfectly straight highway

    asked by Patrick
  130. chemistry

    I have to calculate the vapor pressure of water at 25.0 degrees celicus. The heat of vaporization of water is 40.65 kj/mol and the vapor pressure of water is 92.7 Torr at 50 degrees celcius. I know I should use log10 P=A- B/C+T but I don't know how to work

    asked by Mary
  131. biochemistry

    Calculate the pH of the solutions obtained by dissolving the following in a liter of water: 0.2 mole of glycine plus 0.1 mole of NaOH I know the answer is ph = 9.60 which i know is pka2 of glycine but im not sure how to set up this question. This is just a

    asked by michelle
  132. algebra

    Solve using the Quadratic Formula (Find all complex-number solutions.) x2 + 4x + 6 = 0 I do not get this at all and this is just practice exercise. Please help as I have a test next week and if I do not get at least a C, I will not graduate. Thank you

    asked by slomo
  133. maths

    X having factor 2 and 30.30 having factor 3 and y and y is having factor 5 and z find x+y+z=----

    asked by sanjay
  134. Math

    When Mrs Lee was 44 years old, her son was twice her daughter's age. Mrs Lee would be twice her son's age when her daughter was 26 years old. How old would Mrs lee be when her daughter was 20 years old?

    asked by Nora