Questions Asked on
September 28, 2018

  1. Algebra

    The following problem refers to a geometric sequence: If a_1=-2 and r=-1.Find s_28. This the formula was given by my instructor: S_n=a_1(1-r^n)/1-r =-2(1-(-1)^28)/1-(-1) =-2*2/2 =-4/2 =-2 where did I go wrong? Can You help me correct it please. Help me

    asked by Keonn'a
  2. Geography

    Migration to which continent required early humans to travel a great distance across water?

    asked by Lily
  3. Chemistry - OChem

    Which of these compounds is more acidic: HOCl and HOBr According to electronegativity, it should be HOCl. But according to size, it should be HOBr... I know the right answer is HOCl from an answer key, but I don't understand why. When do you consult atom

    asked by Jamie
  4. math

    a player has 31 hits in 117 times at bat write the players batting average as a decimal round to the nearest thousand

    asked by mkenna
  5. Math

    The length of a rectangle is three centimeters less than the width. If the area of the rectangle is 54cm^2 , find the dimensions of the rectangle

    asked by Anonymous
  6. Math

    Start at 5. Create a pattern that multiplies each number by 3 and subtracts 2. Stop when you have 5 numbers.

    asked by Tara
  7. math

    Write in standard form when given 2 points on a line (-3,-5) and (0,-7) Please helpppppppp!!!!!!!!!!! :(

    asked by Andrea
  8. Algebra

    Simplify the expression (7+5)+4.13-2

    asked by Anonymous
  9. physics

    Two forces whose resultant is 10N,are perpendicular to each other.if one of them makes an angle of 60 with the resultant,calculate its magnitude

    asked by patricia
  10. Statistics

    Can anyone help me develop 90% confidence intervals including lower and upper limits for each of the follwing data: the proportion of all people- 36% the proportion of males -the percentage is 44% the proportion of females- the percentage is 27% the sample

    asked by Maya
  11. Chemistry

    Calculate the number of potassium ions present in 7.45g of potassium oxide (atomic mass of K=39u)?

    asked by For St Joseph School,Imphal,Sagaiprou
  12. math

    use even and odd properties of the trigonometric functions to find the exact value of the expression. sin(−π/6)

    asked by nax
  13. english

    Gr. 9 English I am great at writing nonfiction, but my mind goes blank when trying to come up with a story. These are my instructions: Create your own fable on one of the following topics. Make sure that your fable includes all the parts of the short

    asked by Joe
  14. Math

    Which is greater 3/4___-5/6 < = > I think its = but im not sure

    asked by ISTIILNEEDHELP
  15. Physics

    A construction worker hoists himself up a building with the apparatus shown in the figure. A rope is attached to a chair and passes through a massless pulley that can turn without friction. The worker pulls on the free end to lift himself. Suppose that the

    asked by Anonymous
  16. biology

    Which of the following is not a step in the light-dependent reactions? a. high energy electrons move through the electron transport chain. b. Pigments in the photocenters absorb light. c. ATP synthase allows H+ ions to pass through the thylakoid membrane

    asked by Anonymous
  17. Physics

    A ball is thrown vertically with a velocity V0 from a building with height h, a second ball is dropped from the same building a second later, calculate the maximum inicial velocity V0 needed so that both balls get to the ground at the same time and so that

    asked by Aaron
  18. math

    Short Answer: Type your answer below each question. Show your work. 1 Verify the identity. Show your work. cot θ ∙ sec θ = csc θ 2 A gas company has the following rate schedule for natural gas usage in single-family residences:  

    asked by nax
  19. Geometry

    Please help, I’m stuck and need help with these! 1. The point (1, 1) is the image under the translation (x, y) --> (x + 3, y - 3). what is the preimage of this point? 2. A dilation has center (0, 0, 0). find the image point of (-1, -2, 0) for the scale

    asked by Ollie
  20. Civics

    Under the Articles of Confederation, there was no separate judicial branch. Which of the following problems did this create? A. Judges could not make any rulings on cases involving the state. B. People had nowhere to go if they had a dispute with the

    asked by The dancing potato
  21. Civics

    _______________ are characteristics about the population that influences how people see the world. Examples would be ____________ and ___________. Please help!

    asked by Regina
  22. physics

    a skier with mass m slides down a slope that makes an incline of theta with the horizontal. Which expression described the component of the force of gravity parallel to slope?

    asked by caleb
  23. maths

    I borrowed rs 500000 from the Bank at the interest rate of 8 per cent how much do I pay in five years?

    asked by kikham
  24. math

    Short Answer: Type your answer below each question. Show your work. 1 Verify the identity. Show your work. cot θ ∙ sec θ = csc θ 2 A gas company has the following rate schedule for natural gas usage in single-family residences:  

    asked by nax
  25. Social studies

    Which of the following was the Catholic Church's response to the development of Protestantism? A. It launched the Reformation. B. It removed the pope as head of the church. C. Its leaders began the Counter-Reformation. D. It eliminated the Inquisition.

    asked by plssssssss
  26. English

    Complete one of the following essay prompts. I have Prompt A, just need help with B. Prompt A: Compare and contrast the topics and themes of writers from the Americas and European writers. Include specific examples to support your statements. Prompt B:

    asked by Connexus
  27. Science

    In the following question, a pair of words or phrases is followed by five pairs of words or phrases. Choose the pair that best expresses a relationship similar to that in the original pair. Diffusion: Passive Transport A. Exocytosis: Active Transport B.

    asked by Sotty
  28. Social studies

    Which of the following was the Catholic Church's response to the development of Protestantism? A. It launched the Reformation. B. It removed the pope as head of the church. C. Its leaders began the Counter-Reformation.** D. It eliminated the Inquisition.

    asked by Sorry To Disturb BuT I need help
  29. math

    What is the simplified form of the following expression? 10yz/-2z

    asked by Anonymous
  30. Science

    A Sample of seaweed contains 1 Liter of water and has 50 grams of salt dissolved in its cells. The seaweed is placed in a solution made of 2 Liters of water and 150 grams of dissolved salt. What will occur when the system reaches equilibrium? A. The

    asked by Failing
  31. Careers

    1. Customer Service is the same as professional sales? True/False 2. Which of the following is NOT part of the marketing, sales, and service cluster? telemarketing advertising banking financial brokerage 3. DECA is a CTSO for: blue-collar workers

    asked by ya boi
  32. Algebra

    -2/3 + (-3/10) =

    asked by Meh
  33. biology

    If one sample of food contains 200 calories and another contains 300 calories, which statement applies? a. the200 calorie food contains more potential energy than the 300 calorie food b. The 200 calorie food contains less potential energy the 300 calorie

    asked by Anonymous
  34. Civics

    A/An _____________________ is a visual representation of how states vote in an election so named for representing the parties

    asked by Regina
  35. Social studies

    which roles were brothers and sons expected play in Africa's matrilineal culture? A. Sons helped their mothers brothers as needed. B. Sisters is protected their brothers. C. Son’s health their mothers sisters as needed. D. Brother is protected their

    asked by Lily
  36. Civics

    Which of the following quotes demonstrates that the colonists were influenced by English writers and philosophers? A. “He has refused his Assent to Laws, the most wholesome and necessary for the public good.” B. “The history of the present King of

    asked by The dancing potato
  37. Calculus

    Differentiate. y = (4x)/9 − cot(x)

    asked by Raven
  38. Calculus

    Differentiate the function. y = (5x^2+3x+3)/sqrt.(x)

    asked by Gwen
  39. Calculus

    Differentiate the following function. f(t) = 6/7t^6 − 7^t4 + 4t

    asked by Ben
  40. Calculus

    Find an equation of the tangent line to the curve at the given point. y = 4e^xcos(x), (0, 4)

    asked by Kori
  41. Civics

    The president signs a new bill into law. Some people believe the new bill is unconstitutional. According to the system of checks and balances, what can be done? 1. The Supreme Court can enact a new law to cancel the old. 2. The country can vote to overturn

    asked by Emma
  42. Calculus

    Differentiate. f(x) = 4xe^xcsc(x)

    asked by Terra
  43. Algebra

    Algerbra | I am 8th grade A unit 3: rational numbers, I am on lesson 6: Properties of exponents I need help badly! here’s a ?: Using number 3, 2, and 4, which of these problems would be a soulotion to 4?

    asked by Anonymous
  44. Math

    The owner of the Good Deals Store opens a new store across town. For the new store, the owner estimates that, during business hours, an average of 90 shoppers per hour enter the store and each of them stays an average of 12 minutes. The average number of

    asked by Rebecca
  45. History

    Amendments to the Constitution generally address issues that effect a. a small number of citizens b. the way the government works (my answer) c. a large number of citizens d. only people in the government

    asked by Michael
  46. English

    Okay, so I am in the unit of predicate nominatives and all that good stuff now.. I've been struggling with these since 6th grade, and the books they gave me throughout the years, never described them all that well, even my mom had some trouble figuring

    asked by Jordan
  47. Mathematics

    By the way, I'm really bad at math, so I'm probably wrong here. Put these decimals in order from least to greatest. 7.0, 0.07, 0.7, 0.077 my answer: 0.077, 0.07, 0, 7, 7.0 Am I close?

    asked by M
  48. Science

    Why could your body maintain a carbon atom that was present in George Washington’s body

    asked by Anonymous
  49. Psychology

    Is society adequately preparing for the physical and mental wellness of the elderly?

    asked by Regina
  50. history

    What impact did industrialization have on imperialism? Developing European nations needed to conquer foreign territory to compete with industrialized nations. Increased production led to a surplus in manufactured goods and a need for more customers. An

    asked by Bri
  51. Math

    -1/2 + 1/3=_________ A. -1/6* B. -1/3 C. 2/3 D. 1/6

    asked by Mr. Skill's101.4
  52. history

    People joined monasteries and convents in order to

    asked by hi
  53. Algebra

    the following problem refers to a geometric sequence: Find S_10 for -1, -1/3, -1/9 r=-1/3/-1=1/3 a_1=-1 a_2=-1/3 a_n=a_1*r^n-1 a_n=-1*1/3^n-1 s_n= Help me.

    asked by Keonn'a
  54. Math

    An equation, f, has a domain of all whole numbers and has a range of all real numbers. Does the equation represent a function?

    asked by Mia
  55. US History

    How did the feudal system and manor system help to organize life in Europe during the Middle Ages?

    asked by Mykey
  56. Algebra

    find the sum of the infinite geometric series 1/3+1/9+1/27 sum=a_1/1-r

    asked by Keonn'a
  57. Algebra

    find the sum of the infinite geometric series 4+1+1/4+...

    asked by Keonn'a
  58. socials

    Canada election (how many years) federal ? provincial ? municipar?

    asked by Anonymous
  59. Math

    Bailey uses his credit card to purchase accessories for his classic car. The only purchase he will make on his credit card is for the $3000 worth of accessories. He has a credit limit of $5000 with a 55-day interest-free period and interest of 17.65% p.a.

    asked by Anonymous
  60. linear algebra

    Express the vector →u below as a sum of two vectors →u1 and →u2, where →u1 is parallel to the vector →v given below, and →u2 is perpendicular to →v. Make sure that the first vector in your sum is →u1 and the second is →u2. Use the square

    asked by catie
  61. Math

    1x+3y = 12 Solve for both, show work

    asked by Kaylee
  62. English

    1. Working outside is very hard for the people in Antarctica. 2. Working outside is very hard for the people of Antarctica. [Can we use both prepositions, 'in' and 'of'?] 3. They study sea animals in Antarctica. 4. They study sea animals of Antarctica.

    asked by rfvv
  63. English

    1. They are a wonderful gift. => What a wonderful gift they are! 2. They are a good team. => What a good team they are! 3. They are a very clever class. =>What a clever class they are! [Are they all grammatical? Would you check them?]

    asked by rfvv
  64. English

    1. They will not be lonely any more. 2. They will no more lonely. 3. They will lonely no more. [Are they all grammatical? What is the proper position of 'no more'? At the end of a sentence or after an auxiliary verb and before a verb?]

    asked by rfvv
  65. Chemistry

    Calculate the corrected creatinine clearance using the following data obtained from a person with a 1.73 m^2 body surface area: Serum creatinine:1.3mg/dL Urine creatinine:2.4 mg/dL Urine volume:1000ml/24hours We think it's 128, but not sure Help this is

    asked by Lacy
  66. Math

    2x10 to the power of 2

    asked by cool
  67. Statistics

    A stationary store has decided to accept a large shipment of ball-point pens if an inspection of 18 randomly selected pens yields no more than two defective pens. (a) Find the probability that this shipment is accepted if 5% of the total shipment is

    asked by Warren
  68. Physics

    The radius of moon is 27% of the earth radius and its mass is 1.2 % of the earth mass find the acc due to gravity on surface of moon?

    asked by Lara
  69. physics

    A basketball is thrown horizontally with an initial speed of 4.70 m/s . A straight line drawn from the release point to the landing point makes an angle of 30.0 with the horizontal. What was the release hight?

    asked by miriam
  70. Math

    A quantity c partly varies as n and partly varies as the square of n. when c=22, n=2 and when c=115, n=5. find the: (i)equation connecting c and n.

    asked by BWAMBALE ISAAC
  71. Physics

    The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational force Fsm that the sun exerts on the moon is perpendicular to the force Fem that the earth exerts on the moon. The masses are: mass of sun = 1.99 × 10^30 kg,

    asked by Rash
  72. Physics

    A skateboarder travels on a horizontal surface with an initial velocity of 4.4 m/s toward the south and a constant acceleration of 2.0 m/s2 toward the east. Let the x direction be eastward and the y direction be northward, and let the skateboarder be at

    asked by Henry