Questions Asked on
September 13, 2018

  1. science

    Which of the following gases was most likely present in Earth's earliest atmosphere? a. nitrogen b.hydrogen c.argon d.oxygen Help me please!

    asked by Eric
  2. Social studies

    How did the environment of Arabia serve as a form of protection during much of the regions history? A. It's fertile oases enabled farmers to grow enough food or themselves and for sale B. It extreme heat and arid conditions kept invaders from attacking

    asked by You will never know
  3. social studys

    1.Which groups were considered citizens in ancient Greece? Select all that apply. A. aristocrat B. tenant farmers C.small farmers D. slaves 2. Which of the following was the primary way Sparta got the resources they needed? A. by utilizing their own

    asked by bamboo
  4. social studies/am history

    What was Alexander Hamilton's main reason for insisting all the nation's debts be paid in full?

    asked by Marcie Sleeper
  5. Social studies

    Which groups were considered citizens in ancient Greece? Select all that apply. A. aristocrats B. tenant farmers C. small farmers D. slaves E. foreigners F. women

    asked by Solar
  6. SOCIAL STUDIES

    Q: How can the Constitution be amended? My answer: The Constitution comes along with an amendment that may be introduced by congress. The way that an amendment could be proposed is if there are two-thirds votes from each house of representatives. The

    asked by cAt.ExE HaS sTopPeD wORkInG
  7. Social Studies

    What drew Stephen Austin to this geographical area? A. the Rio Grande River B. affordable, fertile land C. proximity to New Orleans D. access to the Gulf of Mexico my answer is a

    asked by Stacia
  8. history

    Which identifies an instance in which European culture mixed with the cultures of indigenous people? European nations created the Open Door Policy to allow for multiculturalism in China. Symbols of the Catholic Church were blended with local religions in

    asked by Bri
  9. Math

    1. What is the simplified form of the expression? 2x2 + 4y + 3x2 – 2y + 3y (1 point) 5x4 + 5y2 5x2y + 5x2y 5x2 + 5y 10x2y 2. Simplify the following expression: 2(6x + 18) (1 point) –12x + 36 8x + 20 6x + 36 12x + 36 3. What is the product? 4 • (–5)

    asked by helper
  10. Physics

    A rescue plane spots a person floating in a lifeboat 55 m directly below and releases an emergency kit with a parachute. The package descends with a constant vertical acceleration of 6.91 m/s. If the horizontal speed of the plane was 70.6 m/s, how far is

    asked by Babygirl
  11. science

    which abiotic factor is essential to all aquatic ecosystems except ocean hydrothermal vents and why

    asked by jamie phillipy
  12. chemistry

    The energies, E, for the first few states of an unknown element are shown here in arbitrary units. n 1 2 3 4 0 E -63 -27 -12 9 infinity A gaseous sample of this element is bombarded by photons of various energies (in these same units). Match each photon to

    asked by maddie
  13. Science

    A simple pendulum of length 1m has a wooden bob of mass 1kg.it is strike by a bullet of mass 10^-20 kg moving with a speed of 2×10^2m/s.The bullet gets embedded into the bob. Obtain the height to which the bob rest before swing back.

    asked by Oinam joymasta meitei
  14. Social Studies

    As a dwelling, which advantage did the teepee offer to the hunters of the Great Plains.

    asked by i boop your nose
  15. math help connections acadamy

    What is the outlier of the data set? 24,18,26,20,18,24,4,24 A.4 B.20 C.24 D.23 PLEASE HELP

    asked by unknown
  16. social studies

    1.. the mound builders primarily in what regions? select all that apply. (2 point) region A *** region B region C*** region D region E 2. what was a common theme shared by the mayan and aztec civilizations? (1 point) they traded fur with the dutch and

    asked by kaliyah :D
  17. Social studies

    I need help on question 8 on the expansion of the Muslim world quiz

    asked by Weston
  18. maths polynomial

    [2a³c-2a³b+2ab³-2b³c+2bc³-2ac³] please I need step factoring that guy up there

    asked by sam..??
  19. Physics

    PLEASE HELP! A person throws a rock horizontally off a cliff ata a speed of 9 m/s from a point 64.8 m above the ground. How long is the rock in the air? 13.2 s 26.4 s 3.64 s(my guess) 5.14 s A package falls from an airplane in level flight at constant

    asked by Babygirl
  20. Social Studies

    Prior to the destruction of the Second Temple, which of the following areas in the world contained diaspora communities? a.) Central Aisa b.) Great Britain c.) Japan d.) Southern Africa

    asked by Lou
  21. American History

    What type of government was created by the Articles of Confederation? A. a theocracy that appointed presidents based on the Electoral College B. a parliamentary government with the president as the executive branch C. a strong central government D. a

    asked by Ember Lovet
  22. Language Arts

    In literature, which answer choice is the correct term for a struggle between a character and and an outside force such as nature? A. internal conflict B. natural conflict C. intense conflict D. external conflict I think it's B.

    asked by FNAF Girl
  23. Biology

    which of the following list structures from smallest to largest? A. chromosome, supercoil, coil, nucleosome, double helix B. chromosome, coil, double helix, nucleosome, super coil C. double helix, nucleosome, coil, super coil, chromosome D. nucleosome,

    asked by Confused
  24. chemistry

    A chemist in a galaxy far, far away performed the Millikan oil drop experiment and got the following results for the charges on various drops. 2.52 ✕ 10-12 zirkombs 9.45 ✕ 10-12 zirkombs 3.78 ✕ 10-12 zirkombs 6.30 ✕ 10-13 zirkombs Use these data to

    asked by maath
  25. math

    Explain the difference between |-3| and -3

    asked by Melody
  26. Math

    the elevation of a sunken ship is -120 feet. your elevation is 5/8 of the ship's elevation. what is your elevation?

    asked by Gennady
  27. math

    Algebra 1.) Use the distributive Property to simplify the expression . (-1)(4 - c) A. 4 - c B. -4 + c C. 4 + c D.-4 - c 2.)Use the distributive Property to simplify the expression 4(2x - 4) A.8x + 4 B.8x - 4 C.8x - 16 D.4x - 16 3.) Use the distributive

    asked by dfhsh
  28. Math

    Vocab __?__ events, or __?__ __?__ events are events that have no outcomes in common. __?__ events are events that have one or more outcomes in common. For two __?__ events, the probability that either of the events occurs is the sum of the probabilities

    asked by Kms
  29. history

    How have Napoleon and his achievements impacted modern society throughout the world?

    asked by Bri
  30. Social Studies

    Which region in the United States is known for its board, grassy plains?

    asked by nobody
  31. history

    What are indigenous people? the earliest known group to inhabit a region someone who settles an uninhabited territory people who travel to a region outside of their own individuals who settle an already-inhabited territory A? Which correctly describes the

    asked by Bri
  32. math calculus

    Let f be twice differentiable with f(0)=12, f(3)=9, and f '(3)=4.Evaluate the integral upper limit 3 and lower integral 0 xf'' (x)dx

    asked by Carl
  33. chemistry

    The amount of sulphuric acid required by a student to perform an experiment was 1500 ml of 2.30M. Explain how you would prepare the required amount of acid to perform an experiment if the label on the available concentrated commercial sulphuric acid bottle

    asked by ngombo
  34. English

    Obstacles, although they have their disadvantages, can be used to benefit us in the future. We can either let obstacles stand in the way of our goals, or we can learn how to make it past them. Although obstacles seem to keep us from our successes, they can

    asked by Austin
  35. Maths

    A cone formed by bending a sector of a circle having an angle of 288 degrees. Find the radius of the base of the cone if the diameter of the circle is 18cm

    asked by Anonymous
  36. science

    Which two types of energy heat the Earth's surface? infrared and electromagnetic radiation What two factors influence the albedo of a surface? color and texture Are these correct?

    asked by /
  37. Math Connections academy pls

    which box and whisker plot matches the data 34 46 28 47 39 52 29 54 41 29 31 49

    asked by Connexusacademy
  38. Science 7th grade

    I am doing a project Energy Transformation Illustration. I picked a gas stove for this project. I have to draw three thing to show its transformation. What I have to draw for first and second transition? Third is gas stove. Plz help.

    asked by Mary
  39. Physics

    4. Which of the following is an accurate statement about vectors? A. Rotating a vector about an axis passing through the tip of the vector does not change the vector(definitely not right) B. The magnitude of a vector can be zero even if one of its

    asked by Babygirl
  40. algebra readiness

    1.Simplify: (y^4) (y^3)

    asked by !!!!!
  41. math

    Find the exact area between y=lnx and y=ln(x^ 2 ) for 4≤x≤8 .

    asked by george
  42. Social Studies

    What were the major events in Alexander the Great’s life?

    asked by Stuff
  43. Social Studies

    1.Which of the following was NOT a reason why early Europeans came to America? A.to determine if the earth was round B.to bring glory to their respective nations C. to find silver and gold D.to explore new lands My answer D?

    asked by SOMEBODY
  44. Chemistry

    AgNO3 + NaCl AgCl + NaNO3 What happens when nitric acid (HNO3) is added to the reaction?

    asked by ryancon
  45. Algebra

    Which of the following is less than 6.5×10^-5 A. 1.4x10^-3*** B. 2.5x10^-4 C. 7.8x10^-5 D. 4.6x10^-6 Please check my answer

    asked by Meh
  46. American History

    Which rights listed in John Locke’s Two Treatises of Civil Government did Thomas Jefferson include when writing the Declaration of Independence? (Select all that apply.) liberty life property happiness Is it Liberty, Life, and Happiness?

    asked by Ember Lovet
  47. physics

    An electric heater raises the temperature of 120g of water in a thin light vessel through 10K in 2mins, when placed in 70g of water contained in a metal vessel of mass 0.55kg the temperature rises through 9K in the same time. Calculate from the above:

    asked by Anonymous
  48. physics

    A crowbar ,1.5m long is used to lift a 100kg rock out of a hole 25cm deep.If the crowbar pivots 50cm from one end ,what is the force that must be used to just lift the rock ?

    asked by mimi
  49. Chemistry

    What is the hydrogen ion concentration of a solution with pH of 3.4?

    asked by Mmeso
  50. mathlit,life science,geography,tourism

    list five ways in which career patterns are different now from the past

    asked by kgotso
  51. Social Studies

    Which best describes the languages spoken by American Indians in South Carolina? All tribes in South Carolina spoke the same language most American Indians spoke Algonquian or Siouan American Indians spoke more than fifty languages Most tribes spoke one or

    asked by Loomin
  52. Math

    What is a real life example of inverse operation?

    asked by Alex
  53. math

    what is a example of how prime factorization could be used in the real world

    asked by Anonymous
  54. math

    Find a substitution w and constants k,n so that the integral x^2sqrt(1-4x^3)dx has the form ∫kw^n dw .

    asked by Carl
  55. drinking water treatment

    What is the saturation concentration of oxygen for this water( atmospheric pressure)

    asked by Gerald
  56. Math

    Mathew has 150 page book. He has read 1/3 go it How many pages has he read so far

    asked by Anonymous
  57. Introduction to Computer Applications

    In Microsoft® Word you will create an informative or explanatory piece of writing to increase public awareness on cyberbullying in a brochure format. plz help don't understand what brochure format means

    asked by Anonymous
  58. Chemistry

    What would be the total mass of the products of a reaction in which 25 grams of table salt (sodium chloride) decomposes into the elements sodium and chlorine? Can someone please help me with this?

    asked by Aylin
  59. Math

    The length of the rectangle is 7/(x-4) feet, while its width is 5/x feet. Find its perimeter. Please helppppp!!!!!!! :(

    asked by Andrea
  60. Math

    The formula for the volume of a right circular cylinder is V=πr^2h. If the height, h, is 3 feet, then the volume is a function of the radius, r. a)write this formula in function notation, where the height is 3 feet. b) find the volume if the radius is 2

    asked by Sally123
  61. weather

    Which of the following is true regarding clouds? a. They increase temperature minimums and maximums b. They cover about 5% of the Earth’s surface c. They increase nighttime temperatures and decrease daytime temperatures d. They decrease nighttime

    asked by ~
  62. Social Studies

    7th grade history - How does the growth of the world's population today compare with its growth 100 years ago? Explain why the changes have taken place.

    asked by J the 2nd in my class -_-
  63. Life sciences

    Aim:to demonstrate that expired air contains carbon dioxide 1-Briefly explain your observations 2- Suggest a suitable control for this demonstration 3 what can be concluded from this experiment 4 labelling experimental set-up

    asked by Sbongile
  64. Maths

    A man standing in the corridor of an eight storey building sees the top of a tree at an angle of depression thirty degrees. If the tree is 160 meters tall and the man's eyes are 240 meters from the ground. Calculate the angle of depression of the foot of

    asked by Anonymous
  65. Maths need help asap

    How can I factor these [2a³c-2a³b+2ab³-2b³c+2bc³-2ac³]

    asked by Sam
  66. Science

    A railroad diesel engine weighs four times as much has a freight car. if the diesel engine coasts at 5 km/h into a freight car that is initially at rest, show that the speed of the coupled cars is 4 km/h.

    asked by Tb
  67. History

    The United States form of government is a pure democracy where only the majority matters. True or False

    asked by 2 + 2 =
  68. Math

    What value could be added to 2/15 to make the sun greater than 1/2? A. 1/15 B. 8/30 C. 5/15 D. 8/15

    asked by Oof
  69. science

    are these correct? 1. Which of the following factors would result in a place being warmer in the summer? a. Being in the middle of a landmass b. Being located at a higher elevation c. Being located at a higher latitude d. Being near an ocean e. All of

    asked by ~
  70. Math Connections academy pls

    1. 20.58-13.3 2. 10.88+98.3-10.88

    asked by Connexusacademy
  71. Social Studies and ELA

    Create an acrostic poem for each of the following: Malcontents, Highlands Scots, Salzburgers, and Mary Musgrove.

    asked by Jadah
  72. History

    Select a response that correctly summarizes how the search for gold contributed to European exploration and Texas settlement. A. Spanish leaders sent many explorers to search and explore the new land in hopes of securing riches that have never been found.

    asked by Justin....
  73. physics

    A boy walk 30m eastward and then 40m northward calculate the shortest from the starting point.

    asked by comfort
  74. Chemistry

    If a sample of oxygen at 20 degree celsius and 740mmHg weighs 16g what volume will it occupy

    asked by Paul
  75. 6th grade Math

    Can you check the following? 3. Lily is cutting a roll of cookies into slices that are 3/8 inch thick. If the roll is 10 1/2 inches long, how many slices can she cut? Ans: (21/2)/(3/8) = (21/2 )* (8/3) = 28 slice 5. Amy has painted 3/4 of a room. She has

    asked by Jared
  76. chemistry

    Several compounds containing only sulfur (S) and fluorine (F) are known. Three of them have the following compositions. i. 1.188 g of F for every 1.000 g of S ii. 2.375 g of F for every 1.000 g of S iii. 3.563 g of F for every 1.000 g of S How do these

    asked by maath
  77. Maths

    A number of two digits is such that four times the unit digit is five times greater than trice the tens digit. When the digits are reversed, the number is increased by nine find the number

    asked by Anonymous
  78. social studies

    what is an economic boom

    asked by Anonymous
  79. computer science

    write a pseudo code which prints a list of all students over the age of 20 in a class. the input record contains age,name of students assume a sentine value of 99

    asked by kenge
  80. math

    two sides are equal other than third side perimiter of triangle is28 find each side of triangle

    asked by vikram
  81. physics - electricity

    a cabel consists of 10 strands of copper wire each of cross-section area 1.1x10^-3 cm^2. Calculate (a) the resistance per meter of the cable (b) the minimum number of strands which would be required if the resistance per meter is not to exceed 0.010ohms.

    asked by umani -
  82. science

    3. Which of the following is true for a station at a higher elevation when compared to a nearby station at a lower elevation? a. It will have a higher summer temperature b. It will have a higher winter temperature c. It will have a lower summer temperature

    asked by is this correct?
  83. Math

    1. 2 + (5 + y) 2. (c + 1) + 9 3. 3.3 + n) + 1.4 4. 7 + (d + 5) 5. 10(7t) 6. 8(4k) 7. 13 • 0 • p 8. 7 • z • 0 9. 2.5 • w • 1 10. 1 • x • 19 11. (t +. 3) + 0 12. 0 +. (g + 4 Plz help I don’t understand

    asked by Anonymous
  84. English 12

    What do Don Quixote’s adventures help readers to see about human beings in general?

    asked by English Help
  85. Math

    You complete 3cm of a necklace in a hour each hour after the first you triple the length of the necklace write an expressions using exponents for the length of the necklace after 3 hours then find the length

    asked by Jaylee
  86. Maths

    The probability of three independent events occurring are 1/2,1/3,1/4 respectively. What's the probability that only two of them will occur?

    asked by Anonymous
  87. Science

    Why is it important to keep track of direction of motion of the air track cart?

    asked by Tb
  88. Math

    Which would be the greater deal? A. 2 for 5 B.3 for 6 I think its a

    asked by iHack
  89. Maths

    The probability of three independent events occurring are 1/2,1/3,1/4 respectively. What's the probability that only one of them will occur

    asked by Anonymous
  90. Maths

    Assumed mean

    asked by Anonymous
  91. MATHS

    COS $= SIN ($ - 10 degree)

    asked by GITF
  92. Business Mathematics

    Alan, Bob and Chuck own an advertising firm. The profit is allocated as follows: Each partner received $80,000. Any remaining profit is allocated in proportion to the revenue over $2,000,000 the partner brought in. Alan brought in $2,200,000 in advertising

    asked by Cindy