Questions Asked on
May 8, 2018

  1. Math

    A coin is tossed three times. Determine which of the following outcomes describe mutually exclusive events. a) A: all tosses are heads , B: all tosses are tails b) A: at least one toss is a tail , B: at least one toss is a head c) For both a) and b) find

    asked by Sally
  2. Algebra

    I need help with this portfolio and I was wondering if someone could help me understand it. Task 1 Volume and surface area are often compared by manufacturers in order to maximize how much of something can go inside of a package (volume) while keeping how

    asked by Student
  3. Chemistry

    A volatile liquid sample is placed in an Erlenmeyer flask that has been sealed except for a tiny hole that allows vapor to escape. Upon heating, the liquid is converted to vapor that fills the flask. Cooling the flask allows the vapor to condense back to

    asked by Ceamus Angelina
  4. MATH

    8. You are building a habitat for your pet turtles that has a rectangular pond. The pond is 20 in. wide, 15 in. long, and 3 in. deep. What is the volume of the pond?

    asked by PERSON NEED HELP
  5. Chemistry, Periodic Table

    Very briefly explain the main horizontal and vertical features of the Periodic Table in terms of the electronic structure and relevant quantum numbers? -------------- Am I being asked to state for instance in the case of Halogens that as we progress down

    asked by Anon
  6. math

    A drawer contains 8 brown socks and 4 blue socks. A sock is taken from the drawer at random, its colour is noted and it is then replaced. This procedure perform twice more. If X is the random variable. “the number of brown socks taken “, a) Construct

    asked by I Need Help ASAP
  7. Biology

    How many repeats do you find in the most common D1S80 allele?

    asked by Ceamus Angelina
  8. Biology

    If, on your gel, you saw only one band, how would you describe your genotype?

    asked by Ceamus Angelina
  9. Biology

    If your mom had alleles containing 18 and 21 repeats and your dad had alleles containing 18 and 24 repeats, what is the change you will be homozygous for the 18 repeat allele?

    asked by Ceamus Angelina
  10. Biology

    How big of a band on a gel would you expect to see for the 41-repeat allele?

    asked by Ceamus Angelina
  11. Chemistry

    If 5 ml of sulphuric acid is diluted to 135 ml of water, what is the volume and concentration of sodium hydroxide to neutralize the solution?

    asked by Rachelle
  12. Probability

    Charlie joins a new reading club, from which he receives books to read. Suppose that books arrive as a Poisson process with rate λ=1/2 books per week. For each book, suppose that the time it takes for Charlie to finish reading is exponentially distributed

    asked by Anonymous
  13. Probability

    Let X be a random variable, and let ck=E[Xk]. We assume that X is such that ck exists (and is finite) for all k∈{0,1,2,⋯}. Define Yk=Xk. Please express your answers in terms of X,c1,c2,…,ck,… (for c1,c2,... please enter c1,c2,..., for ck please

    asked by Anonymous
  14. Probability

    Let Yn=∑i=1n(−1)iXi=−X1+X2−X3+⋯, where the Xi are i.i.d., with E[Xi]=0, and var(Xi)=4. Is 1nYn approximately normal? Choose the most appropriate response: No. Yes, because the {Yi}i=1∞ are i.i.d., so we can directly apply the Central Limit

    asked by Anonymous
  15. English

    Choose the word or phrase that best defines the italicized word. "An aged man is but a *paltry* thing,/ A tattered coat upon a stick..." a.inadequate b.invisible c.significant d.unwise

    asked by Anon
  16. math

    prove dat Cos(18°) = 1/4√10+2√5

    asked by Joel
  17. physics

    A force of 300N is sufficient to keep a 100_kg wooden crate moving at constant velocity across a wooden floor. what is the coefficient of kinetic friction?

    asked by caphas
  18. physics

    A driver sees a horse on the road and applies the brakes so hard that they lock and the car skids to stop in 24 m .The road is level ,and the coefficient of kinetic friction between tires and the road is 0.7.How fast was the car going when the brakes were

    asked by caphas
  19. math

    –8 • –15 = ? -120 *** Because they're negative would the product have to also be?

    asked by a dog
  20. Maths

    Log base2(x+2)+log base4(y+10)=2 Log base4(x+2)+log base2(y+10)=5/2 Solve simultaneously

    asked by Rhonick
  21. Math

    Leon has a bag of 4 red balls, 3 green balls and 6 yellow balls. He takes a ball out and replaces it 50 times. Out of those 50 trials he pulls out a green ball 12 times. What is the experimental probability of getting a green ball on his next trial?

    asked by Whatever
  22. English

    which line in julius caesar indicates that cassius is cunning?

    asked by T
  23. Ed. Tech. ~Microsoft Excel~

    A features that displays only the data in column (s) according to specified criteria A. Formula B. Sorting C. Filtering* D. Pivot

    asked by Mr. Skill's101.4
  24. physics

    A truck moving at 100 km /h carries a steel girder that rest on its wooden floor. what is the minimum time in which the truck can come to a stop without the girder moving forward ? The coefficient of static friction between steel and wood is 0.5.

    asked by caphas
  25. science

    does the sun have a gravitiational pull which can strip gas planets of their atmospheres? not a question for assignment but more likes one to help answer another.

    asked by a dog
  26. math

    Calculate the maturity value for an interest-bearing note of $28,500 for 118 days at 8%.

    asked by Anonymous
  27. English

    Choose the sentence that correctly uses ellipses to replace the underlined words. 1. The other day, one of the gentlemen from Georgia,( an eloquent man, and a man of learning, so far as I can judge, not being learned myself,) came down on us astonishingly.

    asked by marylyn
  28. Geometry

    The following two-column proof with missing statements and reasons proves that if a line parallel to one side of a triangle also intersects the other two sides, the line divides the sides proportionally: Statement Reason 1. Line segment DE is parallel to

    asked by NEED HELP
  29. English

    Choose the sentence that correctly uses ellipses to replace the underlined words. 1: Artist Rene Magritte's humble beginnings included(nonglamorous jobs such as) designing wallpaper and sketching advertisements. A:Artist Rene Magritte's humble beginnings

    asked by marylyn
  30. Math

    A nonstop flight from Albuquerque, NM to Atlanta, GA takes 3 hours, if the plane flies a total of 1,269 miles, what is the plane`s unit rate in miles per hour? (1 point) A: 3,807 mph***** B: 1,266 mph C: 432 mph D: 423 mph Help mee

    asked by AngelDabSwag
  31. Math~integers

    which of the following will have a negative result? -8-(-10) 12 - 14* 7 - (-3)

    asked by Mr. Skill's101.4
  32. Math

    kriss ate 3/8 of a pizza and kim are 4/8 of the same pizza.did they eat the whole pizza?

    asked by Lily
  33. History

    1. Which of the following was the main contributor to finally bringing the United States out of the Great Depression? A. National Recovery Administration B. Wartime spending C. Good Neighbor Policy D. Election of Roosevelt Is the answer C? 2. What

    asked by Person
  34. Math

    You make $22.50/hr and work 38 hours each week.  You are paid weekly.  Taxes are Federal (25%), FICA (7.65%), and State (3%).  What is your Gross income on your next paycheck? $550.19 $855.00 $304.81   Flag this Question Question 4 1 pts You make

    asked by Anonymous
  35. physics

    Two strings of tree lights, each with a resistance of 200 Ω, are connected together in series. What is their combined resistance?

    asked by alaweed
  36. physics

    How much current flows through two resistors with resistances of 10 Ω and 20 Ω that are connected in series and to a 10 V power supply?

    asked by alaweed
  37. Math

    1: select all the pairs of ratios form a proportion. (2 points) A: 1/6, 4/20 B: 7/9, 28/36*** C: 14/19, 21/27 D: 30/80, 6/18 2: Which pair of ratios does NOT form a proportion? (1 point) A: 3/5, 24/40 B: 30/10, 15/5**** C: 9/14, 3/4 D: 7/12, 14/24 3: For

    asked by AngelDabSwag
  38. Algebra 2

    A package of paper towels contains 3 rolls. Each package of paper towels costs $2.79. A function of f(x) is written to represent the cost of purchasing. What is the practical domain for the function? All whole numbers All positive All whole numbers that

    asked by Algebra 2 f(x)
  39. Math

    (-8)(4)(-7)

    asked by Anonymous
  40. Math

    Please help me, I forget how to do these types of problems. 1- 6x+7=67 A 12 B10 C13 D6 2- x/4+2=-2 A 4 B-4 C12 D-16

    asked by Friends
  41. History

    What kind of food did Maya's eat? And also what's your fav food, Mrs. Sue? Thank you!

    asked by Justbeingcool:)
  42. Math

    You make $52,800/year as a salaried employee who is paid semi-monthly. Taxes are Federal (15%), FICA (7.65%), and State (3%). You are also having $50/paycheck withheld for health care. What will your realized income be on your next paycheck? $1,585.70

    asked by Anonymous
  43. history

    HELP ME ASAP 3. Based on the excerpt, what was Bill Clinton's opinion of the state of affairs in the United States when he was elected president in 1992?

    asked by jenny J
  44. SS

    which is an example of a lending investment? A: Stocks B: Bonds C: Money market D: cash

    asked by help m1e plz
  45. Chemistry

    A solution is prepared by dissolving 4g of sodium hydroxide who give 500ml of it.calculate the molarity of the solution.

    asked by Anonymous
  46. Lang Arts

    One way in which playwrights develop characters is through dialogue. Define dialogue. Then choose Alice or Humpty Dumpty from Alice in Wonderland. Analyze how the character is developed through dialogue. Describe the character and explain at least two

    asked by _mixed.ray_
  47. Math

    Mr Campbell has a rope14m long.He cuts it into equal pieces. Each piece is 2m long. How many pieces of rope does he get?

    asked by Lucille
  48. Social studies

    What inference can be drawn from the lack of US action in response to Japanese aggression against China in 1937 A-Americans supported the Japanese over the Chinese. B- Americans did not believe Japan threatened them directly C-the United States did not

    asked by secretly 15 dragons#6069
  49. Math

    Question : find (h,k) and radius x^2 + y^2 +1/2x + 2y +1/16 = 0 According to the equation : (x−h)^2+(y−k)^2 = r^2 x^2 + y^2 +1/2x + 2y +1/16 = 0 (x^2+1/2x+1/16)+(y^2+2y+1)=−1/16+1/16+1 (x+1/4)^2+(y+1)^2=1 so (h,k) = (-1/4, -1) and r = 1 theres no

    asked by K
  50. Math

    Which type of function bet models the data in each table? Use differences x y 12) 0 0 1 1.5 2 6 3 13.5 4 24 13) x y 0 -5 1 -3 2 -1 3 1 4 3 14) x y 0 1 1 1.2 2 1.44 3 1.728 4 2.0736 Can someone help me plz with these three??

    asked by that emo girl!
  51. Science

    The average efficiency of energy capture/ transfer reaction in an organism is about 40%. Is this efficient? Why or why not? Use examples of other energy transfer systems in your explanation (cooking, lighting, fuel burning etc.). Can someone please help me

    asked by Kassi
  52. math

    22/7 for pi answer estimate

    asked by francesca.
  53. algebra 2

    for what values of theta are the tangent 0?for what values of theta is the tangent undefined?explain.

    asked by lexi
  54. algebra 2

    a sound wave is modeled with the equation y=1/4 cos 2pi/3 theta. a.find the period.explain b.find the amplitude.explain

    asked by lexi
  55. Health

    How can tobacco affect the circulatory system? A. Decreases heart rate B. Raises blood pressure C. Softens the arteries D. Causes ulcers How can tobacco affect the body? A. Increases appetite B. Makes teeth whiter C. Slows heart beat D. Causes nausea How

    asked by emily
  56. social studies

    Muhammad and his followers journeyed from makkah to __ during what is called the Hijra? plz help i am on a test!

    asked by jishka is cool
  57. Maths

    Two chords AB and CD of A circle intersect at right angle at a point inside the circle if m(angle BAC is 35 degree find m(angle ABD)

    asked by Amen
  58. History

    Which of presidents carters politics best explains his defeat in the 1980 election? A reforms to social security and the tax code ***** B support for human rights C foreign policy in the Middle East D constructive responses to inflation Is this correct?

    asked by Lmaoo
  59. English

    Choose the word or phrase that best defines the italicized word. "An aged man is but a *paltry* thing,/ A tattered coat upon a stick..." a.inadequate b.invisible c.significant d.unwise

    asked by Anon
  60. history......Mrs. Sue

    How did glasnost contribute to the break-up of the soviet Union? A. restructuring the economy led to a change in the political structure*** B. by allowing citizens more freedom to travel people could see what they were missing C. due to cuts in military

    asked by cole
  61. Spanish 2

    Explain the difference in meaning between these two sentences: 1. Alberto oyo la musica de la fiesta y salio de casa. 2. Alberto oia la musica de la fiesta cuando salio de casa. There are accents but I can't put them on here. I'm pretty sure the sentences

    asked by Brooklyn
  62. science

    Isn't part of my homework, but I'm curious- Does water evaporate faster from a body of water with a bigger surface area?

    asked by Anonymous
  63. Math

    Emilio has 8450 trees to plant in rows on his tree farm he will plant 125 trees per row how many full rows of trees will he have explain

    asked by Shadow
  64. Math

    Which table best represents the graph of the equation theta=45 degrees? a. theta- 45 degrees, 45 degrees, 45 degrees, 45 degrees r- 1 , 2 , 3 , 4 b. theta- 45 degrees, 90 degrees, 135 degrees, 180 degrees r- 1 , 2 , 3 , 4 c. theta- 45 degrees, 45 degrees,

    asked by girly girl
  65. Calculus

    A car travels along a straight road for 30 seconds starting at time t = 0. Its acceleration in ft/sec2 is given by the linear graph below for the time interval [0, 30]. At t = 0, the velocity of the car is 0 and its position is 10. What is the velocity of

    asked by Anonymous
  66. English

    Choose the group of words in each sentence that is missing hyphens. If no hyphen are needed, select Correct as is. 1: We have had up to date insulation put into the walls of our house. A:up to B:up to date*** C:date insulation D:Correct as is 2:Hilary

    asked by marylyn
  67. Calculus

    Find the interval on which the curve of y equals the integral from 0 to x of 6 divided by the quantity 1 plus 2 times t plus t squared, dt is concave up.

    asked by Ernie
  68. chemistry

    Acid: Pka: H20 15.7 NH3 38 HCL -8 NH4+ 9.2 Given the list of pKa values, which acid will have the largest amount of conjugate base present in the solution at equilibrium? H2O NH3 NH4+ HCl

    asked by chemgack
  69. physics

    How is light emitted from incandescent lamps? Fluorescent lamps? Candles?

    asked by Jayde
  70. algebra

    Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 12 8 3 23 Female 19 18 4 41 Total 31 26 7 64 If one student is chosen at random, Find the probability that the student was NOT a male that got a "A"

    asked by rosia
  71. Geometry

    What is the radius of a cylinder with a volume of 432pi cm^3 if the height of the cylinders is equal to its diameter?

    asked by Ethan
  72. Maths

    On a blueprint,the length of a wall is 5 inches. The actual length of the wall is 85feet. What scale is used for the blueprint

    asked by Great
  73. Algebra

    A total of 23,456.78 dollars was invested in two funds paying 2½ percent and 1¾ annual interest. The combined interest for the year percent is 368 dollars and 50 cents. Part A: How much of the 23,456.78 dollars is invested in 2½ percent fund? Part B:

    asked by Samay
  74. Organic Chem

    what is the pka of anhydride? i've searched the whole web and can't seem to find the pka of the functional group.

    asked by Sara
  75. science

    Given the list of pKa values, which acid will have the largest amount of conjugate base present in the solution at equilibrium? Acid: Pka: H20 15.7 NH3 38 HCL -8 NH4+ 9.2 H2O NH3 NH4+ HCl

    asked by jennifer
  76. science

    Is the flame coloration a test for the metal or for the acid radical?

    asked by marie
  77. physics

    can anyone please help me with answering this question? : An accelerating body has a Net Force acting in the direction of motion. True or False? Why?

    asked by Ange
  78. physics

    A circuit is powered by a 5 V battery and has 0.2 A of current through it. If the circuit contains two resistors connected in series and one of the resistors has a resistance of 5 Ω, what is the resistance of the other resistor?

    asked by henry
  79. physics

    In the circuit at right, two resistors are connected in parallel. What is the voltage across the 4 Ω resistor? What is the voltage across the 12 Ω resistor?

    asked by henry
  80. English

    Having trouble finding two different published analysis of Huckleberry Finn. Could you guide me in the right direction

    asked by Sue
  81. Algebra 1

    Measures of Central Tendency and Dispersion Practice 2. Tell which measure of central tendency best describes the data. Time spent on Internet (min/day) 75 38 43 120 65 48 52 A. Mean B. Median C. Mode Help? I really don't understand this :/

    asked by anon
  82. science

    A satellite in space experiences direct sunlight and heats up. During periods when it receives no sunlight, The satellite cools off by radiation The satellite cools off by conduction The satellite maintains a constant temperature The satellite cools off by

    asked by ...
  83. 6th grade math

    A jogger is running around a 3/4 mile track and is 2/3 around the track. How far has the jogger traveled?

    asked by Kimberly
  84. Chemistry

    Why equilibrium is constant less than 1?

    asked by Nane
  85. Precalc

    According to an article by Thomas H. McMahon in the July 1975 issue of Scientific American, a tree’s height varies directly with the radius of the base of its trunk. He expressed this relation using the formula h = kr^2/3 where k is a constant, h is the

    asked by Summer
  86. Science

    Flying an airplane at 500 km/h, a pilot plans to reach her destination in 5 h. But she finds a jet stream moving 250 km/h in the direction she is traveling . If she gets a boost from the jet stream for 2 h how long will the flight last?

    asked by Cindy
  87. geography

    where is the continental boundary between North and South America? Isthmus of Panama? Is this considered a continental boundary? Thanks

    asked by Anonymous
  88. Algebra

    A rectangular pool was 5 m longer than it was wide. When a brick walkway 1m wide was added around the pool, the area was increased by 36 m^2. Find the dimension of pool itself. Dimension of pool: Length= x Width= x-5 So I know the area= x(x-5) = x^2-5l And

    asked by ?
  89. English

    After dinner, what do you do? 1. I watch TV for about an hour. 2. I see TV for about an hour. [Can we use 'see' instead of 'watch' in this answer?]

    asked by rfvv
  90. Math

    After 5 years, how much INTEREST will Kevin earn in interest from his savings account? Given the fact: Kevin deposits $175 each year on his birthday for 5 year into his savings account. His account earns simple interest at a rate of 3.5% interest. A.)

    asked by Help in Math
  91. Chemistry

    When a 2.5 mol of sugar (C12H22O11) are added to a certain amount of water the boiling point is raised by 1 Celsius degree. If 2.5 mol of aluminum nitrate is added to the same amount of water, by how much will the boiling point be changed? Show all

    asked by Eolhc123
  92. Geometry

    Water has a density of about 62.5 pounds per cubic foot. Snow has a lower density than water, but that density can vary greatly. Suppose snow that is falling and settling has a density of about 16 pounds per cubic foot. 8 inches of snow has fallen and you

    asked by Anonymous
  93. chemistry

    What are some examples of glycosidic bonds and peptide bonds?

    asked by Anonymous
  94. Science

    Fresh water. My techer marked it as correct

    asked by Anonymous
  95. Chemistry

    Given the table of pKa values, at a pH of 3.5, which substance(s) exist predominantly in the non-protonated form? Acid pKa HNO3 -1.3 HSCN 4.0 HCN 9.4 HOCI 7.4

    asked by HELPP
  96. ss

    what were the disadvantages of using coal as a fuel for industry in Eastern Europe

    asked by damu to Costa
  97. algebra

    Silver is liquid for Celsius temperatures C such that 960.8 degrees (less than or equal to) C < 2180 degrees. Find such an inequality for for the corresponding Fahrenheit temperatures.

    asked by Carol
  98. AP Calculus AB

    Hi. Please help me with the following question: lim x-->1 (x)/(ln(x))

    asked by Rayan