Questions Asked on
November 4, 2017

  1. Math (probability)

    Could someone please correct my work. A fishing magazine collected data and printed the following results: If there is rain then the probability of catching a fish at Lake Blue is 80%, but if it doesn't rain then the probability of catching a fish at Lake

    asked by STUDENT HELP PLS
  2. Biology

    Which chordate structures are lost when a larval tunicate develops into the adult form?

    asked by Anonymous
  3. Biology

    One kind of fish, the hagfish, is considered an invertebrate by scientists. Why is this fish an invertebrate whereas all other fish are vertebrates?

    asked by Anonymous
  4. Science

    An athlete throws a javlin with velocity of 20m/s at angle of 15 degree with the horizontal . How far the javlin would hit the ground from the point of projection?

    asked by Armaan sijui
  5. algebra

    5^n+3/25^2n-3=1

    asked by Anonymous
  6. P E and Sports

    What are the branches of philosophy of physical education and sports

    asked by dickson
  7. Economics

    Calculate and graph MC and MR

    asked by Motshelisi
  8. maths

    the diagram shows the plan view of a swimming pool. The pool has a rectangular swimming area and a semi-circle area with steps. Work out the total surface area of the top of the pool. Giver your answer to 3 significant figures.

    asked by Anonymous
  9. Science

    A fossil fuel electric-power plant consumes 9800 Btu to produce 1kWh of electrical energy. Calculate the conversion efficiency if 1kWh is equivalent to 3410 Btu

    asked by Princewill
  10. Chemistry

    acetylene gas is produced by adding water to calcium carbide as follows; CaC2 + H2O ---> C2H2 + Ca(OH)2. how many gram of acetylene are produced by adding water to CaC2

    asked by Novah
  11. Chemistry

    in the reaction: Cl2 + 2HBr ----> 2HCl + Br2 identify the reduced specie

    asked by Novah
  12. Chemistry

    if 2.70 moles of C2H2 is reacted with 6.30moles of O2, calculate the moles of water produced

    asked by Novah
  13. Chemistry

    7.62g of Fe are allowed to react with 8.67g of S to form brown black iron(III) sulphide at high temp. what is the limiting reagent?

    asked by Novah
  14. Chemistry

    the equilibrium constant for the reaction N2 + H2 2NH3 at 700K is 12. calculate the amount of NH3 if the reaction started with 1 mole of N2 and 3 moles of H2 in a 1 liter vessel

    asked by Novah
  15. Chemistry

    suppose 2.5x10^4g of nitrogen gas and 5x10^5g of hydrogen are mixed and reacted to form ammonia, what is the excess reagent

    asked by Novah
  16. Chemistry

    at 298K,the vapour of pure water is 23.76mmHg and that of dilute aqueous ultimate urea is 22.9mmHg. Estimate the molarity of the solution

    asked by Novah
  17. Chemistry

    pure phosphene gas 3x10^-2 mol was placed in a 1.5L container. it was heated to 800K. at equilibrium the pressure of CO was found to be 0.497atm. calculate the Kp for the reaction: CO + Cl2 COCl2

    asked by Novah
  18. Chemistry

    to make an acid buffer of pH 5, what will be the ratio of salt to acid in the solution. [Ka= 1.8x10^-5 mol.dm^3]

    asked by Novah
  19. Math

    The new container of Mootastic ice cream was reduced by 8% so that the new calories count is 410. How many calories were in the old container?

    asked by Samay
  20. Math

    A sales representative for Data Electronics earns a salary of 1314 dollars per month plus a commission based on the total value of her sales. If she earned 1484.40 dollars for the month and her sales totaled 5680 dollars, what is her rate of commission?

    asked by Joe
  21. math

    three sisters shared some mangos in the ratio 5 : 3 : 2. if the one with smallest ratio received 25 mangos , find the number of mangos shared

    asked by Anonymous
  22. Algebra

    Martin is making a candy that contains 90% milk chocolate and the rest caramels. The candy has 3 pounds of caramels. Part A: Write an equation using one variable that can be used to find the total number of pounds of milk chocolate and caramels in the

    asked by Anonymous
  23. english

    How can I make this sentence better, or is it OK? If students at Miriam Middle School weren’t excited about their upcoming gravity project, they were after school Friday.

    asked by Afrikah
  24. Math

    60 is 15% of what number

    asked by Samay
  25. Math

    This is a two part question, make sure you answer both parts: 11, 14, 16 and 19 Find the mean. Find the median

    asked by Samay
  26. science

    Three forces of magnitude 6N,6N,√72N act at a corner of a cube along three sides .resultant of the force is a)12N along on b)18N along oa c)18N along of d)12N along oe

    asked by raja
  27. Math

    Only seventh grade and eighth grade girls can play on the Milton Bradley Middle School volleyball team. The ratio of seventh grade girls to eighth grade girls on the team is ¾. There are 6 seventh grader girls on the team. What is the total number of

    asked by Samay
  28. Anatomy

    The simplest response to a stimulus is a? a.sympathetic b.voluntary movement c. reflex

    asked by Anonymous
  29. Language arts

    I need help on researching hurricanes can you help me thanks.

    asked by Chris
  30. Math

    Elizabeth has 256 guests coming to her class reunion. The basic meal for one meat and one side is $9.25 per person. I am still confused what to do please help!

    asked by Lenny Face ( ͡° ͜ʖ ͡°)
  31. Anatomy

    Which location point is a common location for sports injuries? A Femoral B, Patellar B

    asked by Anonymous
  32. Math

    Suppose that each number in a data set is decreased by 5. How is the median affected? 1. It is unchanged. 2. It is decreased by 5. 3. You can't tell because it depends on the values in the original data.

    asked by Samay
  33. Math

    Today is Friday. What day of the week is it 80 days from today? Please help!!!

    asked by Lenny Face ( ͡° ͜ʖ ͡°)
  34. Anatomy

    A karate instructor uses his hand to chop a plank of hard wood, and then uses his closed fist to punch a soft practice bag. Which statement is true of the graded potentials of each action? A. Neither action contains a great enough stimulus to cause

    asked by Anonymous
  35. Anatomy

    What type of organism must use the cell's energy and parts to multiply? A. Protozoa B. Fungi C. Bacteria D. Virus

    asked by Anonymous
  36. Math

    Mr. Ahn buys buys relishes for lunch party. He buys 7/8 pound of pickles and 9/10 pound of olives. How much altogether do these weigh?

    asked by Joshua
  37. Anatomy

    A football kicker primarily uses which muscle movement to kick the ball? A. Abduction B. Adduction C. Extension D. Circumduction

    asked by Anonymous
  38. Anatomy

    The negative feedback system is based on a low level of hormone A. preventing the kidneys from excreting the hormone. B. causing another gland to secrete a similar hormone. C. causing the gland to decrease secretion of the hormone. D. causing the gland to

    asked by Anonymous
  39. Anatomy

    The role of the somatic sensory association area is A. understanding and interpreting touch information. B. feeling textures. C. locating objects. D. comparing planned movement to actual movement A

    asked by Anonymous
  40. Math

    3a-4≥5 What is the answer?

    asked by Melody
  41. Trigonometry

    I'm having trouble doing trigonometry. Determine the possible coordinates of a terminal point for each angle in standard position. A) 315° I have no clue how to do this. Please explain and show me the work so I can do the rest of the questions myself

    asked by Sarah
  42. Sat math

    if y=m^4=n^3 and y is greater than 1 than mn=? a) y^1/12 b) y^1/7 c) y^7/12 d) y^7

    asked by jay
  43. physiology

    How does alkalosis stimulates the secretion of erythropoietin?

    asked by Akam Ahz
  44. Anatomy

    Which of the following choices gives the correct cell structure from outermost to innermost layer? A. Cytoplasm, nucleus, nucleolus, cell membrane B. Nucleolus, nucleus, cytoplasm, cell membrane C. Cell membrane, cytoplasm, nucleus, nucleolus D. Cell

    asked by Anonymous
  45. home economics

    10 careers in home economics.

    asked by Anonymous
  46. Math

    Dawn is 15 years old today. This is 5 times as old as her sister Eve was when Dawn was the age that Eve is today. How old is Eve today? Please help

    asked by Lenny Face ( ͡° ͜ʖ ͡°)
  47. MATH

    How do we find what "a" is equal to? I am not sure if we are supposed to put it back to tangent and then find the common denominator? Please help!?!? a cot 16 - a cot 57 = 9.167

    asked by MONDAY
  48. Math

    (5*5) +576

    asked by goop
  49. Art (please answer fast! :) )

    Which is a system in which kinds, rulers, and other wealthy individuals provided financial and other support to arts? feudalism commissions patronage* all of the above

    asked by Person
  50. Math

    Simplify the following expression. Write the result using positive exponents. (-2xy^-3)^-5 / (xy^-1)^-1

    asked by Marcus
  51. Art

    The column of Trajan features what type of art? narrative relief history painting realistic portraiture * all of the above

    asked by Person
  52. Chemistry

    Which two orbitals overlap to form the sigma bond between C and H in C2HF?

    asked by Amber
  53. university of png_ science

    How far apart are an object and an image formed by a 75.0cm focal length converging lens if the image is 2.5x larger than the object and is real. Please, help me.

    asked by Timson Wakrit
  54. Math

    Suppose that license plates in a certain country are made up of three letters followed by 2 digits followed by 3 more letters. How many license plates can be made if no repetitions are allowed within each set. (That is, no repetition within the first set

    asked by Erica
  55. Biology

    What is a Notochord made out of?

    asked by Anonymous
  56. math

    Find the measures of the sides of ∆ABC and classify the triangle by its sides. A(3,-3), B(1,4), C(-1,-1)

    asked by Lauren
  57. Math

    When doing a calculation involving zoning laws, Tim comes across the following expression: fraction a- open vertical bar a close vertical bar over denominator a end fraction, where a is either a positive or a negative number. (A) What is the value of the

    asked by Samantha
  58. math

    Name the congruent angles and sides for the pair of congruent triangles. ∆MGB ≅ ∆WYT

    asked by Lauren
  59. Chemistry ASAP please?

    For electromagnetic radiation with a wavelength of 576.3 nm: (a) What is the frequency of the radiation (in s-1)? (b) What is the energy (in J) of one photon of the radiation? (c) What is the energy (in kJ) of one mole of photons of the radiation So a I go

    asked by Jake
  60. Math

    an organization is selling raffle tickets for 20$ each. you purchase one of 500 raffle tickets. the prize for this raffle is 6000$. what is your expected winnings?

    asked by Tony
  61. calculus 1

    Find the limit. Use l'Hospital's Rule where appropriate. If there is a more elementary method, consider using it. lim x → 0 (x 6x)/(6x − 1)

    asked by john
  62. grade 8 pre-algebra

    Grace earns 7 dollars for each car she washes. She always saves 25 dollars of her weekly earnings. This week, she wants to have at least 65 dollars in spending money. How many cars must she wash? Write and solve an inequality to represent this situation.

    asked by mark
  63. Chemistry

    Hydrogen holds promise as an environment friendly fuel. How many grams of H2 gas are present in a 52.0 L fuel tank at a pressure of 2861 lb/in2 (psi) at 20.0°C? Assume that 1 atm = 14.7 psi.

    asked by Anthony
  64. Grade 8 prealgebra

    Michael wants to rent a car on his vacation. The rental fee is 60 dollars per day plus a refueling charge of $40. He has at most 400.00 to spend. The inequality 60d +40

    asked by Mark
  65. pre algebra 8

    Michael wants to rent a car on his vacation. The rental fee is 60 dollars per day plus a refueling charge of $40. He has at most 400.00 to spend. The inequality 60d +40

    asked by mark
  66. Math

    Joe is the owner and CEO of Pinecrest Enterprises, a real estate development company in Boise, Idaho. The company has taken on a new development project outside of town, and Joe wants to drive out to survey the proposed development site. The site is 30

    asked by Sharnii
  67. Use benchmarks to estimate the sum, difference, or

    I need help with these 1. 1 7/8 + 1/9 2. 5 2/11 -3 2/18 3. 8 2/17 x 1 15/17 4. 2/9 + 4/9 5. -5/6 + 4/18 6. 11 5/9 + 10 1/3 7. -1/5 + (-3/7)

    asked by Calf
  68. Math

    Complaints dropped from .7 to .07 per 1,000 people. Is this equivalent to saying there was a 90 percent reduction in complaints?

    asked by Anonymous
  69. Statistics

    A gambling game works as follows: you flip a fair coin and roll a fair six-sided die. You will be paid $2 if you roll a 6 and $1 if you get a head and an odd number of spots. Otherwise, you have to pay $2.50. a) What is the probability of rolling a die

    asked by alle
  70. computer science

    If string str1 = "Florida" and String str2 = "Gators" then what is the value of str1 + str2? A. Florida B. Florida Gators C. Gators D. FloridaGators E. Florida, Gators if string str = "supercalifragilisticexpialidocious", then what is the value of the

    asked by help please
  71. History

    Who decides if exchanging money for a product is worth the benefit? the banks the managerial staff the customers the employees D?

    asked by malia
  72. tourism and hospitality

    Writing special notes, remembering birthdays, and interaction with customers are examples of _________________. financial benefits benefits of customers personalization special services C

    asked by malia
  73. Math

    Deborah deposits $200 into an account that pays simple interest at the rate of 7%. How much will she have at the end of 4 months? a) Present Value with simple interest b) Future Value with simple interest c) Future Value with compound interest d) Simple

    asked by Chad
  74. Math

    Congratulations! You were the 10th caller on the KMTH morning show and you just won $9,000.00. After you calm down, you decide to put the money into a bank account so that you will have even more money for a trip to Europe. Snurling Bank tells you that

    asked by Chad
  75. Math

    Jennifer bought a brand new treadmill on a credit plan at BeFit Exercise Equipment. BeFit will charge her 15% per year compounded monthly. If her monthly payments will be $150 for 4 years, how much was the original price of the treadmill? a) $5,390.72 b)

    asked by Chad
  76. Math

    A problem is listed below. Identify its type. John bought a new house. He made a $4,500 down payment and financed the rest, $280,000, through his credit union. The credit union charged him 11% per year compounded monthly for 22 years. How much were his

    asked by Chad
  77. Math

    The manager of a manufacturing company knows that they will need a new machine in one of their factories. The new machine will cost them $13,700. The manager has determined that they can afford to pay 10% of the cost of the machine in cash. They can then

    asked by Chad
  78. Math

    402 students were surveyed about their preferences of sports. 140 students like football, 144 students like baseball, and 42 students like both sports. How many students like exactly one of the two sports? a) 200 b) 140 c) 284 d) 98 e) 102

    asked by Chad
  79. Math

    (Car Sales) Of the cars sold during the month of July, 89 had air conditioning, 99 had automatic transmission, and 74 had power steering. 5 cars had all three of these extras. 24 cars had none of these extras. 24 cars had only air conditioning, 65 cars had

    asked by Chad
  80. Math

    A license plate consists of 3 letters followed by 2 digits. How many license plates are possible if the 1st letter cannot be I nor O, the 1st digit cannot be 0, and no letters or digits may repeat? a) 1,080,000 b) 1,166,400 c) 1,757,600 d) 1,460,160 e)

    asked by Chad
  81. Math

    1. In order to collect data on the signal strengths in a neighborhood, Briana must drive from house to house and take readings. She has a graduate student, Henry, to assist her in the task. Briana figures it would take her 12 hours to complete the task if

    asked by Angela
  82. biology

    identify another invertebrate chordate other than the hagfish?

    asked by Anonymous
  83. math

    Given: M is the midpoint of LN . ∠LMP ≅ ∠NMO, ON⊥NM , PL⊥LM Prove: ∆NMO ≅ ∆LMP

    asked by Harold
  84. Chemistry

    a) How many orbitals are in the l = 4 subshell? b) The maximum number of orbitals that may be associated with the quantum numbers n = 5 and L = 2 is... I got 9 for both. Kinda guessed Lol. Do you agree?

    asked by Alex
  85. math

    Given: Vertical isosceles triangles. RS bisects QT. ∠R ≅ ∠S. Prove: ∆QRP ≅ ∆TSP 2 paragraph proof

    asked by Harold
  86. Math 7 A

    Walter had 2/4 yard of string he used 1/2 of the string for a school project. How many yards of string did he use for his project?

    asked by Nolan
  87. Chemistry

    How do I find the molar enthalpy H (kJ/mol) for reaction of NH3 + HCl -> NH4Cl at temp 9.8 celsius by using Hess's Law. I do not understand why there are unknown variables and how to use that to find the molar enthalpy. PLEASE HELP. 1/2 N2 + 3/2 H2 + xH2o

    asked by Natalie
  88. Chemistry Help Please!!!

    Which two orbitals overlap to form the sigma bond between C and H in C2HF?

    asked by Nolan
  89. Math 7 A

    Audrey has 7 1/2 yd of material her new skirt will take 4 5/8 yd how much material will she have left.

    asked by Kooper
  90. English

    In To Kill A Mockingbird by Harper Lee, has the character Tom Robinson shown any acts of self sacrifice for the sake of others?

    asked by Bea
  91. Biology

    Which phrase does NOT describe one of the functions of proteins of the plasma membrane? -forming a channel through the membrane -initiating the replication of the genetic material (CORRECT) -binding to a substance to carry it through the membrane -acting

    asked by Belle
  92. tourism and hospitality

    Amusement parks, theme parks, zoos, and museums are ________________. mega-events public recreation commercial recreation hallmark events D?

    asked by malia
  93. tourism and hospitality

    A travel agent is a/an _________________. e-tail contact intermediary contact consolidator direct contact C?

    asked by malia
  94. english:Antigone

    This question is for the play Antigone: In Ode 2, to what does the chorus compare Antigone? a. a cresting wave b. a soaring bird c. a glowing ember d. a closed flower From reading it, I think the answer is D. But on some websites people are saying C. Which

    asked by yup
  95. Biology

    A wolf needs to eat three rabbits a day to survive. A rabbit needs to eat 15 berries a day to survive. How many berries are needed to support a wolf for a day?

    asked by Anonymous
  96. Physics

    An object of mass 1 kg is traveling with a constant speed of 10 m/s in the positive x-direction. Consider case 1 in which the object above comes to a stop in 1 second. Consider case 2 in which the same object comes to a stop in 10 seconds instead of 1

    asked by Anastasia
  97. Math

    A box contains 6 yellow, 5 violet & 3 pink chips. If 3 chips are tobe selected in random, what is the probability that the chips are composed of 2 violet or 1 pink?

    asked by Anonymous