Questions Asked on
April 24, 2014

  1. math

    amy finished watching tv at 4:05, if she have been wqtching it for 2:15, what time was it when she started

    asked by Pat
  2. Chemistry

    The density of solution of sulfuric acid is 1.29 g/cm3, and it is 38.1% acid by mass. What is the mass, in grams, of 25.0 mL of sulfuric acid?

    asked by Natalie
  3. Chemistry

    What is the de Broglie wavelength of an electron traveling at 1.26×105m/s ?

    asked by Anonymous
  4. Chemistry

    An astrophysicist working at an observatory is interested in finding clouds of hydrogen in the galaxy. Usually hydrogen is detected by looking for the Balmer series of spectral lines in the visible spectrum. Unfortunately, the instrument that detects

    asked by Anonymous
  5. Language HELP

    Proofreading a Parapgraph for Subject-Verb Agreement, Help with the errors: 1.Oridnary houses or a public building sometimes present problems for people with disabilities. 2. For example, a person using a wheelchair or crutches often have difficulty

    asked by Tom
  6. English

    Who was the audience for the Dalai Lama speech? How did speaking in front of this group affect the Dalai Lama's message?

    asked by Abel
  7. science

    Birds share many different characteristics. List three of these.

    asked by Anonymous
  8. Quantitative Methods

    1. Management of Sundown Rent-a-Car (see Problem 8-8) has decided that perhaps the cost during the six-month period is not the appropriate Cost to minimize because the agency may still be obligated to additional months on some leases after that time. For

    asked by Kayla
  9. Chemistry

    What is the azimuthal quantum number (also called the angular-momentum quantum number), ℓ, for the orbital shown here? (the photo is a d orbital. it has 4 balls around it) Express your answer numerically as an integer.

    asked by Anonymous
  10. Chemistry

    How would the dx2−y2 orbital in the n=5 shell compare to the dx2−y2 orbital in the n=3 subshell? True or False 1.The contour of the orbital would extend further out along the x and y axes. 2. The value of ℓ would increase by 2. 3.The radial

    asked by Kristine
  11. English

    Traditional African is an advantage for Men only,not women

    asked by Elton
  12. chemistry

    Calculate the volume that4.0mol of an ideal gas would occupy at 8.0 atmospheres pressure and 1700c (R=8.31mol-1k-1)

    asked by cynthia
  13. Math

    I 1/12 of john's salary was spent on electricity and 2/6 of his salary went to pay rent. How much does he have left?

    asked by Ebb
  14. Chemistry

    When 100 mL of 0.60 M Na2CO3 (aq) is combined with 500 mL of 0.060 M Ba(NO3)2(aq), a precipitate is observed. What is the equilibrium concentration of Ba2+(aq) at 25°C?Ksp(BaCO3) = 8.1 x 10-9

    asked by Jonathan
  15. math(compunded interest )

    4. At the end of every year for 3 years, RM1000 will be invested in an account that offers 8% compounded annualy.Find the account amount at the end of the 3 years.

    asked by fizz
  16. math(compunded interest )

    9. FIND THE EFFECTIVE RATE THAT IS EQUIVALENT TO: i) 4 1/2 percent compounded semi annually ii) 12 percent compounded daily

    asked by fizz
  17. math(compunded interest )

    6.how long will it take for a sum of money to quadruple at 10 percent compounded annually ? 7. At what rate compounded semi-annually will RM2000 become RM 3500 in five years ?

    asked by fizz
  18. math(compunded interest )

    1.find the future value for the following investment : a) RM19999 at 4.5% COMPOUNDED every 2 months for 2 year b) RM 120000 at 5 3/4 percent compounded monthly for 3 1/4 years

    asked by fizz
  19. math

    10.On 16 april 1990, RM5000 was invested at 6% compounded semi annually. Find the amount accumulated on 16 october 1993 if the rate was charged to 8% compounded quarterly beginning 16 april 1992. the answer is : RM 6339.24 i want to know the step to solve

    asked by fizz
  20. Math

    Rational Equations Solve: How do you work it out? 1. x/4 - x+2/3 = 12 (x+2 are in the numerator) 2. 2y/4 - y/7 = y-3/2 (y-3 are in the numerator) 3. p/6 - 2p/5 = 4p-5/15 (4p-5 are in the numerator)

    asked by Sadie
  21. Physics

    Please explain to me how to do this question!!!!!!! A beam consists of singly ionised neon-20 atoms all travelling at the same speed, 3*10^5 m/s, through a vacuum. As the beam passes through the magnetic field it follows a circular path of radius 0.125m.

    asked by Sam
  22. Language Check

    Choosing verbs that agree in Number with Their Subjects: 1. Almost everybody (has,have) played games that originated in faraway places. MY ANSWER: HAVE 2. Few of these games (is,are) difficult to play. MY ANSWER: ARE 3. Pictures on ancient Greek pottery

    asked by Tom
  23. English

    the Great Fire of London by Janet Hardy Gould ---------------------------- Is this book a novel?

    asked by rfvv
  24. Manegerial accounting

    calculate the net operating income , evergreen corp has provided the following data: sales per period 1000 units ,selling price $ 40 per unit , variable manufacturing cost 12 per unit, selling expenses $5,100 pls 5% of selling price , administrative

    asked by Sara
  25. Math Help

    2y/4 - y/7 = y-3/2 (y-3 are in the numerator)

    asked by Sadie
  26. math

    A sum of money,X was deposited in a saving account at 10 percent compounded daily on 25 july 1993. on 13 august 1993, rm600 was withdrawn and the balance as on 31 december 1993 was RM 8900.calculate the value of X using exact time and 360 day year.

    asked by fizz
  27. math

    RM65000 will be invested for 6 years 9 months. if the investment will be offered 5% compounded semi annualy for the first 2 years, 6% compounded monthly for the next 18 months and 7% compounded daily for the rest of the period ,find the future value of

    asked by fizz
  28. math

    1.find the future value for the following investment : a) RM19999 at 4.5% COMPOUNDED every 2 months for 2 year b) RM 120000 at 5 3/4 percent compounded monthly for 3 1/4 years

    asked by fizz
  29. Calculus

    1)A north south highway, intersects an east west highway, at point P. A vehicle process point P @ 1pm, traveling east at a constant speed of 60km/h. At the same instant another vehiclist 5km north of P, travelling south at 80km/h, find the time, when the 2

    asked by Deepa
  30. Calculus

    A real estate office manages 50 apartments in a downtown building. When the rent is $900 per month, all the units are occupied. For every $25 increase in rent, one unit becomes vacant. On average, all units require $75 in maintenance and repairs each

    asked by Deepa
  31. math (promissory notes)

    1.FIND the bank discount and proceeds on the following loans i) RM4000 FOR 3 MONTHS at 10 1/2 percent ii) RM4215 FROM 10 june to 5 august of the same year at 10 percent

    asked by fizz
  32. maths

    Xsin(theta)-Ysin(theta)=rootX^2+Y^2 andcos^2(theta)/a^2+sin^2(theta)/b^2 then find correct relation

    asked by aakash
  33. Chemistry URGENT

    I am having a hard time understanding how to calculate pH. my textbook states that that pH =-log[H^+]. I have two questions that asks: What is the H^+ concentration in an acid with of pH 4.6? Express your answer as a power of 10. What is the H^+

    asked by jazz
  34. math

    transversal

    asked by Anonymous
  35. Math

    Mr. Fairfax ordered 3 large pizzas for a class party. Group A ate 6/6 ( that should look like a fraction) of the first pizza, and Group B ate 8/6 of the second pizza. Did Group A or B eat more pizza? Then later Group C ate all remaining slices of pizza.

    asked by Renee
  36. multiplying fractions

    write a word problem for 1/3 x 1/4 use the definition of multiplication and math drawing to help determine the answer. explain you answer.

    asked by bernadette
  37. math problem

    what is 4/5 of 230

    asked by Anonymous
  38. Chemistry URGENT

    I need someone to check to make sure that I balanced my equations correctly. I have to add a (g) or (s) to indicate gases and precipitates. I am having a hard time figuring out the ions and how to add them, if any of these reactions need a ion could you

    asked by jazz
  39. Physics

    A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.

    asked by Anonymous
  40. maths

    plz help me to find quickly with al steps 5+2^3/7+4^3 rationalise denominator

    asked by daahin
  41. Investments

    P4.3 Assuming you purchased a share of stock for $50 one year ago, sold it today for $60, and during the year received three dividend payments totaling $2.70, calculated the following: (a) Income (b) Capital Gain (or loss) (c) Total Return in Dollars (d)

    asked by Megan
  42. sitcom analysis

    why does jimmy feel his relationship is doomed? raising hope:

    asked by joey
  43. sitcom analysis

    raising hope: what does jimmy see in sabrina?

    asked by joey
  44. Algebra ll

    Help me with this please There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10

    asked by Me and I
  45. Algebra ll

    How would i do this? Use the binomial theorem to expand (2x – 5y)^3

    asked by Me and I
  46. chemistry

    Methanol CH3Oh can be produced by reacting carbon monoxide and hydrogen gas in the presence of a catalyst. If 75.00 grams of carbon monoxide reacts with 106.3 grams of hydrogen, 68.40 grams of methanol are produced. What is the percent yield of methanol?

    asked by Jackson
  47. algebra

    What is the slope of line A if the answers are -2, 1/2, -1/2 and 2.

    asked by Anonymous
  48. algebra

    What is the y-intercept for line A, considering these answers (0,1/2),(1/2,0), (0,-1) and (-1,0).

    asked by Anonymous
  49. Math

    Jance spend from 7pm to 9pm doing her homework. She spend 3 times as mach time on her english project as she did on math. the science homework took twice as long as her math homework. How meny minutes did she spend on her science homework?

    asked by Daniel
  50. math

    create a new table factor and calculate the compound amount for $10.000 with a nominal rate of 6% for 4 years

    asked by teresa
  51. math

    calculate the present value AND the compound interest for this investment, round to the nearest cent...$20.000 with a nominal rate of 14% for 30 months ( semiannually)

    asked by teresa
  52. chemistry

    aspirin is synthesized through the following reaction C7H603+C4H6O3=C9H8O4=HC2H3O2 a)Assuming the maximum yield that could be obtained is 76.8% what mass of Aspirin C9H8O4 could be obtained from this reaction when 2.00 * 10^2 grams of C7H6O3 reacts with

    asked by jackson
  53. Algebra

    How to simplify: sqrt(3x^3)/(64x^2) The whole thing is under the radical.

    asked by Anonymous
  54. Proximity, alignment, repetition and contrast

    Patterns and shapes that appear alike and are grouped together produce

    asked by Carolyn
  55. Calculus

    The velocity v (in m/s) of an object moving with acceleration a (in m/s^2) is given by v =ʃ a dt, where t is the time (in seconds). Find a formula for v, if a =(5/4t)(t^2+1)^2.

    asked by Isabella
  56. math

    The base of triangle ABC is one half the altitude. The altitude of triangle DEF is one half its base. If both triangles are equal in area, what is the ratio of the altitude of triangle ABC to the altitude of triangle DEF? a. 1:4 b. 1:2 c. 1:1 d. 2:1 e. 4:1

    asked by thomas
  57. biology

    how can i construct a dichotomous key that can be used to identify the following: mango leaf, tridax procumbent leaf, cassia leaf, grass leaf, and cassava leaf.

    asked by Robert
  58. math

    how do you make a coordinate plane for the function of a person who weighs 130 pounds that burns 300 calories in 1 hour,600 calories in 2 hours,900 calories in 3 hours and 1200 calories in 4 hours

    asked by Anonymous
  59. Physics

    1. A small plane can travel at 200 km/h in still air. If a 50.0 km/h wind is coming from the east, determine the ground velocity of the plane if the pilot keeps the plane pointed [N]. 2. A pilot is flying from City A to City B which is 300 km [NW]. If the

    asked by Corey Brown
  60. ap statistics

    An unnoticed mechanical failure has caused one-fourth of a machine shop’s production of 10000 pistol firing pins to be defective. A random sample of 25 firing pins was drawn from the population. a.) Explain why this random variable has a binomial

    asked by nicole
  61. algebra

    use the quadratic formula to find the roots of the equation. round to the tenths place,if necessary 11x^2-x-3=0

    asked by devon
  62. chemistry

    the total pressure of a mixture of a gas was measured at 0.75 atm. The total moles of the gas were also measured at 7.50. The mixture was analyzed and found to contain three gasses. The moles of gas 1 and gas 3 were found to be 2.43 and 2.17, respectively.

    asked by ciera
  63. Accounting

    In June 2011,Kelly purchased new equipment for $26000 to be used in her business.Assuming Kelly has net income from her business of $75000 prior to the deduction,what is the maximum amount of the cost recovery Kelly can deduct rounded to the nearest

    asked by Mary
  64. ap statistics

    In a survey, 600 mothers and fathers were asked about the importance of sports for boys and girls. Of the parents interviewed, 70% said the genders are equal and should have equal opportunities to participate in sports. B. Using the normal approximation

    asked by nicole
  65. chemistry

    Suppose 95.0 mL of HCl gas at 25 ºC and 707 torr is bubbled into 298 mL of pure water. What will be the pH of the resulting solution, assuming all the HCl dissolves in the water?

    asked by Linda
  66. Chemistry

    How many grams of sodium acetate, NaC2H3O2, would have to be added to 5.00 L of 0.65 M acetic acid (pKa 4.74) to make the solution a buffer for pH 4.00?

    asked by Anonymous
  67. ap statistics

    What is the mean of the sample means? What is the standard deviation of the sample means?

    asked by emma
  68. ap statistics

    An unnoticed mechanical failure has caused one-fourth of a machine shop’s production of 10000 pistol firing pins to be defective. A random sample of 25 firing pins was drawn from the population. a.) Explain why this random variable has a binomial

    asked by nicole
  69. ap statistics

    An unnoticed mechanical failure has caused one-fourth of a machine shop’s production of 10000 pistol firing pins to be defective. A random sample of 25 firing pins was drawn from the population. a.) Explain why this random variable has a binomial

    asked by nicole
  70. math

    find compound and (apy) amount for $1000.00 with a 12% nominal rate (quarterly).determine how many days of loan thanks

    asked by teresa
  71. English 1

    I have to write a counterclaim... is this correct? Though gay marriage should be a natural right, many people think it's morally wrong because of their religion.

    asked by Blake Seaborn
  72. Physics ATTENTION HENRY!

    A lifeguard who can swim at 1.2 m/s in still water wants to reach a dock positioned perpendicularly directly across a 550 m wide river. a) If the current in the river is 0.80 m/s, how long will it take the lifeguard to reach the dock? b) If instead she had

    asked by Corey Brown
  73. math

    The probability of choosing a 6 at random from a standard deck of playing cars is 1/13.Use this information for 1 and 3. 1. what is the complement of the event of choosing a 6 ? 2. What is the probability of the complement of the event of choosing a 6 ? 3.

    asked by thomas
  74. Chemistry

    Prior to their phaseout in the 1980s, chemicals containing lead were commonly added to gasoline as anti-knocking agents. A 3.279 g sample of one such additive containing only lead, carbon, and hydrogen was burned in an oxygen rich environment. The products

    asked by Annabelle
  75. Math

    A specialty cooking oil is packaged in a bottle that is a triangular prism. The base of the bottle is 2.2 in. Wide and 2.4 in. High; the bottle is 6 in. Tall. The glass is 0.2 in. Thick. What is the interior volume of the bottle? Thank you

    asked by Mom B
  76. physics

    A coin placed on a rotating turn table just slips if it is at a distance of 40cm from the centre if the angular velocity of the turn table is doubled,it will just slip at a distance of

    asked by partha
  77. ap statistics

    In hypothesis testing, β is the probability of committing an error of Type II. The power of the test, 1 - β, is then: A. the probability of failing to reject H0. B. the probability of rejecting H0 when HA is true C. the probability of failing to reject

    asked by emma
  78. math

    calculate compound interest (quarterly )earned in a year for $1000.00 with a nominal rate of 8%...(APY) ? THANKS

    asked by teresa
  79. ap statistics

    Which of the following is not correct? A. The rejection region is controlled by the alpha level and the alternate hypothesis. B. The p-value measures the probability that the null hypothesis is true. C. The probability of a Type I error is controlled by

    asked by cassandra
  80. Algebra

    How to simplify? (√3)/(√f^-3)

    asked by Anonymous
  81. science

    1. The image above shows the Andes Mountains. Which of the following processes formed this feature? (1 point) (pic of Andes Mountains) Glaciers deposited sediment. Plates converged together to form the mountains. Plates pulled apart and released magma.

    asked by TTR+S<3
  82. History8

    The North’s blockade of the Southern sea ports was challenged in an early battle at sea between which two iron-clad vessels?

    asked by imissbobby♥
  83. Health

    What are the barriers that prevent older people from diverse groups from accessing mental health care for depression?

    asked by Jay
  84. math

    count by eigths to create a number line for the data that starts at 1 and ends at 3.

    asked by sai
  85. economics

    what is the south african government providing and to whom

    asked by Anonymous minenhle
  86. early childhood educastion

    what can a teacher do to reinforce the primary relationship between the parent and child and communicate that the teacher does not desire to take the parent's place in the child's life?

    asked by j
  87. math

    count by eigths to create a number line for the data that starts at 1 and ends at 3.

    asked by andrew
  88. Algebra

    2000/1.05^12

    asked by Tracy
  89. math

    (14+42) divided by 7+3/4 Evaluate and show work

    asked by Mia
  90. early childhood development

    an emotional response created by the separation between teachers and parents is the fear that the teachers will replace the parents in their children's affections. describe the conflicting emotions the parent may have that contribute to this fear including

    asked by j
  91. English check answers !

    1.B 2.C 3.C 4.A Read the following draft for a research paper on italian food. When you think of italian food,does your mouth always water for pizza or pasta? Actually,italian food includes a tremendous variety of dishers.These tasty morsels come from many

    asked by matt
  92. Chemistry

    How many grams of sodium acetate, NaC2H3O2, would have to be added to 5.00 L of 0.65 M acetic acid (pKa 4.74) to make the solution a buffer for pH 4.00? I did this but it's not the right answer: 4 =4.74 + log(A/.65) 0.74=log(A/0.65) 10^-0.74= A/0.65 0.182

    asked by Ava
  93. Algebra

    P=A (1+r)6 -n P=2000 (1+0.05) ^-n P=2000 (1.05)^ -12 =?

    asked by Tracy
  94. NATURE OF ELECTRICITY

    If a charged sphere is brought close to a rod as shown in Figure A, the pairs of pith balls suspended at the ends of the rod will as the figure im reading is showing there is a charged sphere to the left then a induced charged on the rob which the pith

    asked by nick
  95. Math

    How to simplify? (√3)/(√f^-3)

    asked by Anonymous
  96. Grammar

    There are no such things as unicorns or ghosts. There are no such things as unicorns nor ghosts. Which sentence is correct?

    asked by Anonymous
  97. urgent (physics)

    A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.

    asked by HELP PLEASE
  98. algebra

    What do you call an alligator that sneaks up and bites you from behind?

    asked by junior
  99. math

    volume is determined by the following formula Vs*3 represent the volume of the cube above in expanded form right side 3cm Evaluate to find the voume of the cube show work

    asked by Mia
  100. Statistics

    From the following list of number of discharges each day in September, compute the mean, median, mode, and range. Round the mean and median to one decimal point. Day # of discharges 1 27 2 22 3 35 4 63 5 42 6 55 7 62 8 65 9 32 10 35 11 36 12 75 13 65 14 84

    asked by John
  101. Biology 10B

    According to the pressure-flow hypothesis, which of the following statements is not true • Water moves from the xylem to the phloem of a plant. • Water is necessary for sugars to move through phloem. • Phloem is able to move sugars in either

    asked by Sandra
  102. ENGLISH

    I need help in writing my paper. Past tense form is a big no-no.I uses them all the time. I have a hard time using words to replace past tense words. Please help

    asked by +++++++KEYSHA++++++
  103. science

    how strenuous should the exercise be in order to metabolize sugar and fat in the body?

    asked by tom
  104. Physics

    A certain planet is located 3.54 x 10^11 m from its sun. If its orbital period is 4.9 x 10^7 s, find the mass of its sun.

    asked by stewart
  105. Physics

    A satellite is placed 39875 m above the Moon's SURFACE. (M=7.35e22 kg, R=1.74e6 m) Find the Period of the satellite in seconds. (assume a circular orbit)

    asked by stewart
  106. World History

    Which of the following is true of the Antarctic Treaty System?

    asked by lisa
  107. math

    An apple pie 10 cm in diameter costs $1.50. Then, an apple pie 20 cm in diameter should cost a. $3.00 b. $4.00 c. $4.50 d. $6.00 e. $8.00 please answer and explain

    asked by thomas
  108. Math

    Suppose there is a cow that is tied to the corner of a barn with a rope as shown in the figure below. One side of square barn measures 50 yards and all the doors on the barn are closed, so the cow cannot enter the barn (he must walk around the sides only).

    asked by Kenny
  109. biology

    In what part of the cell does translation occur?

    asked by Miguel
  110. Math - Answer Check

    Jeff hiked 2/3 distance from Lookout Point to Eagle Station then stopped for lunch. How far had he hiked? Lookout Point to Eagle Station: 2 1/10 I got 1 13/30 but it's not an answer choice.

    asked by Anonymous
  111. early childhood education

    what are the responsibilities that a teacher has to volunteer parents when these parents are invited to participate in learning activities?

    asked by j
  112. math

    the coaches made the players run sprints down the football field to get in shape. the running backs had to run down the field 6 3/4 times. the linemen had to run down the field 6 5/8 times. Which group ran more?

    asked by monta
  113. SCIENCE HELP! SOMEONE!

    A student compared some chemical and physical properties of three pure substances. Her data are recorded in the chart above. What is a logical conclusion the student can draw about pure substances? A student compared some chemical and physical properties

    asked by A.J
  114. current events

    I need an article of a current event that happened at the most 6 months back. It needs to be included in the ecology category for science class. I need a title author source date who what when where why how and summary PLZ HELP ME!!!

    asked by mia
  115. Math

    Kurt cut pizzas into wedges measuring 40 degrees. If each person eats one piece of the pizza, how many people could he feed with with two whole pizzas?

    asked by Gab
  116. Chemistry

    What is the density of carbon dioxide gas at 25 C and 779 mmHg?

    asked by Mari
  117. Math

    Suppose that 40% of all college students smoke cigarettes. A sample of 10 is selected randomly. What is the probability tha t a half of the students smoke?

    asked by Destinee
  118. Math

    A bag of chocolate candies has the following colors: 5 yellow, 7 green, 8 red, 5 orange, and 4 brown. What is the probability of getting two of the same color when pouring two out of the bag? a. Describe a simulation that could be used to answer the

    asked by Liz
  119. ALGEBRA

    perimeter = 24 feet triangle that have one side is b =? second side is b =? third side is b - 3 =? How to solve this problem?

    asked by Lina
  120. math

    what is the difference between 4 times as many as 8 and 1/4 as many as 8? Draw a picture to show the difference.

    asked by jaqueline
  121. math

    Five athletes are chosen to represent their sports at the school pep rally. Two girls and three boys are selected to walk into the gymnasium. If a girl must enter first and the other girl must be the last one to enter, how many different ways can the

    asked by anonymus
  122. math

    What does 4×4×4 + 2×2×2 =?

    asked by anonymus
  123. Math

    2 vertices of a triangle are 1,-4 and 6,-4. List 2 possible coordinates of the third vertex so that the triangle has an area of 20 units.

    asked by Samuel
  124. math

    the drawing below measures 7.8 cm by 6.2 cm what is the perimeter in meters? scale 1cm=10m the drawing is square

    asked by bob
  125. Music

    So, I have to split a song into its form, like ABAA, ABBA, and so on. I need help with doing that to the song "Wake Me Up" by Avicii. I get confused whenever I try to. Please help me?

    asked by Anonymous
  126. Chemistry

    The mechanism for the reaction described by 2N2O5(g) ---> 4NO2(g) + O2(g) is suggested to be (1) N2O5(g) (k1)--->(K-1) NO2(g) + NO3(g) (2) NO2(g) + NO3(g) --->(K2) NO2(g) + O2(g) + NO(g) (3) NO(g) + N2O5(g) --->(K3) 3NO2(g) Assuming that [NO3] is governed

    asked by Mia
  127. science

    What is 3.7 m/s2 in a simpler way for secondary 1 to understand

    asked by Audrey Herczeg
  128. algebra

    solve the equation. Enter the answer as a comma-separated list. if there is no real solution, enter no real solution. x upper 2 - 10x+20=0

    asked by Mary
  129. math

    The bottom portion of a loading bin is cone shaped. The base radius of this part of the bin is 3.5 feet and the slant height is 6.5 feet. What is the capacity and lateral surface area of this part of the bin? Round your answer to the nearest hundredth.

    asked by lex
  130. Algebra

    age of child over age of child +12 x adult dose. if an adult's dose of a particular medication is 100 mg, what is the dose for a 10-year-old child. Round answer to one decimal place. Part b if a 12 year old child dose of a particular medication is 15 mg

    asked by Mary Ann
  131. math

    Please Help!!!!! If i spent 3 hours in homework and of that time 1/3 on math and 1/5 on science, what method could i use to solve this problem????????? Please Help Thanks!!!!

    asked by Brittney
  132. Math

    According to a publisher's records, 20% of the books published break even, 30% lose $1000, 25% lose $10,000, and 25% earn $20,000. When a book is published, what is the expected income for the book?

    asked by Liz
  133. Maths

    Kris earns $47 total each month doing chores around his house his grandmother' house and his uncle house he calculates his total monthly expenses for supplies to be $e write an expresion to show the amount of money kris will have after 1year I got 564

    asked by Pinks
  134. GOVERNMENT

    TOP 5 PERFORMING MUTUAL FUNDS AND THEIR % RETURNS FOR 2013 PLEASE HELP ME I DO NOT UNDERSTAND WANT TO DO NOW.

    asked by EMMA
  135. pre algebra

    You draw a skittle out of a bag of 20 and do not replace it. Using multiplication, what is the probability out of 4 red?

    asked by Braston
  136. Maths

    If Kris's expenses are $9 a month how much money will kris have after 2 years I did 38 x 24=912 I subtract 47- 9

    asked by Pinks
  137. Math

    A microscopic worm is eating its way around the inside of a spherical apple of radium 6 cm. What is the probability that the worm is with 1 cm if the surface of the apple? (Hint: V=(4/3)Pir^3)

    asked by Liz
  138. math

    Is the answer of 4×4×4 + 2×2 greater than the answer of 10 × 10 + 2 × 2 × 2 × 2 ×2?

    asked by anonymus
  139. Algebra

    (√5a^-2)/(√10a^-1)

    asked by Anonymous
  140. math

    terry's boat traveled 65 miles in 3 hours. at that rate, how long will it take her to travel 100 miles?

    asked by carlos
  141. Chemistry

    calculate the pH of a solution after .054 moles of KOH is added to a 1.0L buffer solution of .25M HF (Ka=7.1 x 10^-4) and .10M KF

    asked by Aaron
  142. Math

    A six sided die is tossed. What is the probability that it shows a prime number if you know the following? a. It shows an even number. b. It shows a number less than 5. c. It does not show a 6. d. It shows 1 or 2/ e. It shows an even number less than 4. f.

    asked by Sam
  143. science

    the role of a grizzly bear is that of a ______ because it conot make its own food.

    asked by susanne
  144. U.S. History

    Text 3: Excerpt from “All in the Day’s Work: An Autobiography” by Ida M. Tarbell I had been disturbed for some time by what seemed to me the calculated belittling of the past achievements of women by many active in the campaign for suffrage. They

    asked by Reina B.
  145. social studies

    what is the 2nd most spoken language?

    asked by fardin
  146. Algebra

    Find the constant c such that the denominator divides evenly into the numerator. (x^4 - 3x^2 + c)/( x+6)

    asked by Anonymous
  147. finances

    If you can earn 4 percent, how much will you have to save each year if you want to retire in 35 years with $ 1 million?

    asked by sharee
  148. Math

    1) When a pendulum 0.5m long swings back and forth, its angular displacement Ɵ from rest position, in radians is given by Ɵ=1/4sin((pi/2)t), where t is the time, in seconds. At what time(s) during the first 4 s is the pendulum displaced 1 cm vertically

    asked by Hyde
  149. social studies

    who were 3 american explores

    asked by fardin
  150. mathematics

    The probability of choosing a 6 at random from a standard deck of playing cars is 1/13.Use this information for 1 and 3. 1. what is the complement of the event of choosing a 6 ? 2. What is the probability of the complement of the event of choosing a 6 ? 3.

    asked by thomas
  151. physics

    Why electric dipole moment between two charges points from negative to positive charge.

    asked by vishal
  152. chemistry

    0.050 kg of 4.0% (m/m) MgCl2 the answer is 2.0g MgCl2 how do you show the work

    asked by Reina B.
  153. Math

    A marble is drawn from a bag containing four white, three red, and two blue marbles. Without replacing the first marble, a second marble is drawn. a. Draw a two stage outcome tree for this experiment. b. Turn the outcome tree into a probability tree

    asked by Lisa
  154. statistics

    In which of the following situations would it not be appropriate to use a paired t-test to analyze the data? A. A marriage therapist believes that many couples have different perspectives regarding the state of their marriages, prior to the start of

    asked by Mark
  155. finance

    If you inherited $ 45,000 today and invested all of it in a security that paid a 7 percent rate of return, how much would you have in 25 years?

    asked by sharee
  156. science-physics

    a ray of light traveling from the air into crown glass strikes the surface at an angle of 30 degrees. what will the angle of refraction be? please help me!! don't ignore this !

    asked by sunny
  157. chemistry

    calculate the concentration of a solution when 35.0g of k2so4 is dissolved in enough water to make to make 125.0g solution.

    asked by yasminb.
  158. Math

    The Houston Rockets and San Antonio Spurs will play a "best two out of three" series. Assume that Houston has a probability of 1/3 of winning any game. a. Draw a probability tree showing possible outcomes of the series. Label the branches with appropriate

    asked by Lisa
  159. algebra

    I have try this three different way and still can not come up with the correct answer, could you guide me the right way. suppose that a spreadsheet contains the following values, A6, B-4, C2, D3 it said to determine the value of cell E1 if it contains the

    asked by Mary
  160. Math 10

    The height of a rock thrown off a cliff is given by h(t) = -2t2 + 12t + 14. When does this rock hit the ground? Thank you!

    asked by Cleopatra
  161. Class Board

    What characteristics and talents in addition to these do you possess that will make you a great leader and member of the class board and how do you exemplify those? I don't really understand the part where it says "exemplifies" what does that mean?

    asked by Jess
  162. Calculus Help Please Urgent!!!

    At time t=0, an astronaut stands on a platform 3 meters above the moon's surface and throws a rock directly upward with an initial velocity of 32 m/sec. if the acceleration due to gravity is 1.6 m/sec^2. a) find the equations of motion for the throwing of

    asked by Anonymous
  163. CALCULUS

    A plane, flying horizontally at an altitude of 1 km and a speed of 500 km/hr, passes directly over a radar station. find the rate in km/hr at which the distance from the plane to the station is changing when it is 2 km away from the radar station. Hint:

    asked by TANYA
  164. Calculus Help

    Farmer Brown wants to fence in a rectangular plot in a large field, using a straight rock wall that is already there as the north boundary. The fencing for the east and west sides of the plot will cost $3 a yard, but she needs to use special fencing, which

    asked by Chris
  165. Math 10

    What is the stretch/compression factor for the parabola with a Vertex at (2, -5) and y-intercept at -17 (the "a" value)? Thank you!

    asked by Cleopatra
  166. calculus help

    A drinking cup is made in the shape of a right circular cylinder. for a fixed volume, we wish to make the total material used, the circular bottom and the cylindrical side, as small as possible. Find the ratio of the height to the diameter that minimizes

    asked by Temel
  167. Math

    Suzanne has a liter of apple juice. How may cups with a capacity of 100 mL can she fill with apple juice?

    asked by Chyann
  168. math

    Mr. Landy has a red bucket, a yellow bucket and a green bucket. The red bucket holds twice as much as the green bucket. The yellow bucket holds 8 quarts. If the three buckets hold 14 gallons in all, how many gallons does the red bucket hold?

    asked by Chyann
  169. Chemistry

    The mechanism for the reaction described by NO2(g) + CO(g) ---> CO2(g) + NO (g) is suggested to be (1) 2NO2(g) --->(k1) NO3(g) + NO (g) (2) NO3(g) +CO(g) --->(k2) NO2(g) + CO2(g) Assuming that [NO3] is governed by steady-state conditions, derive the rate

    asked by Mia
  170. maths

    Xsin(theta)-Ysin(theta)=sqrtX^2+Y^2 and cos^2(theta)/a^2+sin^2(theta)/b^2=1/X^2+Y^2 then find correct relation

    asked by aakash
  171. Statistics

    For the following set of scores: X Y 6 4 3 1 5 0 6 7 4 2 6 4 a) Compute the Pearson correlation. b) Add 2 points to each X value and compute the correlation for the modified scores. How does adding a constant to every score affect the value of the

    asked by Mary
  172. !math (1)

    The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p = -0.01x^2 - 0.1 x +

    asked by Vanessa
  173. !math (2)

    The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 10 where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the market

    asked by Vanessa
  174. !math (3)

    A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(324 + 4x) dollars. Determine the producers' surplus if the market price is set at $22/unit. (Round your answer to two

    asked by Vanessa
  175. !math (4)

    The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 12 where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. The supply function is given by p = 0.01x^2 + 0.5x + 3

    asked by Vanessa
  176. !math (5)

    The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 160 − x^2 where p is measured in dollars and x is measured in units of a thousand.

    asked by Vanessa
  177. physics

    A box is being lowered down a wall at constant speed by a girl, as shown. Her hand is pushing on the edge of the box with 50 N of force at a 45° angle above the horizontal. The box weighs 40 N.

    asked by mike
  178. !math (6)

    The quantity demanded x (in units of a hundred) of the Mikado miniature cameras per week is related to the unit price p (in dollars) by p = −0.2x^2 + 220 and the quantity x (in units of a hundred) that the supplier is willing to make available in the

    asked by Vanessa
  179. chemistry

    What is the standard entropy of reaction, the standard entropy of reaction, in J/K, for the combustion reaction of ethylene described in the previous questions? The temperature is 298.15K. (Enter your answer as a signed number in scientific notation

    asked by bekah
  180. math (2)

    Find the area of the shaded region y= 2x/(x^2+4) from x= -1 and x= 1

    asked by Vanessa
  181. math (4)

    Sketch the graph (Do this on paper. Your teacher may ask you to turn in this graph.) and find the area of the region bounded below by the graph of the function and above by the x axis from x = 0 to x = 1. f(x) = -xe^(-x^2)

    asked by Vanessa
  182. Math (6)

    Find the area of the following two curves. y= sqrt(x) y= x-2

    asked by Vanessa
  183. math (8)

    Find the area of the region enclosed by these graphs and the vertical lines x = 3 and x = 5 f(x)=x^2+5 g(x)=1

    asked by Vanessa
  184. math (9)

    Find the area of the region enclosed by these graphs and the vertical lines x = 0 and x = 3 f(x)=-x^2+2x+4 g(x)=-x+4

    asked by Vanessa
  185. Algebra

    When a polynomial is divided by x+3, the quotient is x^3+x^2-4 and the remainder is 8. Find the dividend?

    asked by Anonymous
  186. MATH STATS URGENT

    The Houston Rockets and San Antonio Spurs will play a "best two out of three" series. Assume that Houston has a probability of 1/3 of winning any game. a. Draw a probability tree showing possible outcomes of the series. Label the branches with appropriate

    asked by Lisa
  187. maths

    Xsin(theta)-Ysin(theta)=sqrtX^2+Y^2 and cos^2(theta)/a^2+sin^2(theta)/b^2=1/x^2+Y^2 then find the relation

    asked by aakash
  188. math

    RM65000 will be invested for 6 years 9 months. if the investment will be offered 5% compounded semi annualy for the first 2 years, 6% compounded monthly for the next 18 months and 7% compounded daily for the rest of the period ,find the future value of

    asked by melina
  189. math

    1.FIND the bank discount and proceeds on the following loans i) RM4000 FOR 3 MONTHS at 10 1/2 percent ii) RM4215 FROM 10 june to 5 august of the same year at 10 percent

    asked by melina
  190. Chemistry URGENT

    I am not good with math problems. I need help with these two problems. I'm not sure what equations to use. please help. A student heated a hydrated salt sample with an initial mass of 4.9702 g. After the first heating, the mass had decreased to 3.0662g. 1.

    asked by jazz
  191. Algebra

    (√(2m)^-3)/(m^-1)

    asked by Anonymous
  192. Chemistry

    A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by ATP(aq) +H2O (l) --->ADP(aq) +HPO4^2- for which

    asked by BOB
  193. Chemistry

    For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 bar for all species. For the reaction C2H6(g)+H2(g)---->2CH4 the standard change in Gibbs free energy is ΔG° = -32.8 kJ/mol. What is ΔG for this reaction at 298 K when the

    asked by BOB
  194. Algebra

    When a polynomial is divided by x+3, the quotient is x^3+x^2-4 and the remainder is 8. Find the dividend?

    asked by Anonymous