Questions Asked on
September 28, 2017

  1. Science

    Why do scientists use models? a: Scientists use models to learn about things that are too small, too large, or too complex to observe directly. < b:Scientists use models because doing so is always part of the scientific method. c:Scientists use models

    asked by not+really
  2. S.S

    what issues or events highlighted the insufficiency of the power of the central government under the Articles of Confederation? select all that apply. A the central government's inability to impose taxes on states*** B the law Congress created relative to

    asked by need hel plz
  3. history

    Which accurately describes historical events of the Han Dynasty? during the han dynasty, emperor qin shi huang began building the great wall of china during the han dynasty, historian believe the l ching, a fortune telling guide, was written during the

    asked by Kira
  4. Math

    1. A painter earns $15 per hour. What is the minimum number of hours he must work to earn at least $200? Write an inequality to represent this situation and solve. I THINK: So you know that he earns $15 per hour so we can write that as 15h, h = # of hours

    asked by Spn
  5. Philosophy

    Should Ms. Sue be banned from Jiskha for yelling at kids who are only trying to learn?

    asked by Lucinda Garret
  6. Chemistry

    An solution of antifreeze is prepared by mixing 23.0mL of ethylene glycol (d = 1.11 g/mL;molar mass = 62.07 g/mol) with 50.0 mL H2O (d = 1.00 g/mL) at 25°C. If the density of the antifreeze solution is 1.07 g/mL, what is its molaritY?

    asked by Mae
  7. S.S

    of the following statements which of the following best represents the role of the judicial branch of the government a. the judicial branch tries employees that are accused of committing a crime b. the judicial branch has the ability to declare a law

    asked by REED OR MS.SUE
  8. American Government

    the power of congress to print money is one of the legislative? A.Implied powers B.Expressed powers C.Inherent powers D.Nonlegislative powers

    asked by Keef.IBH
  9. math

    Mr waheed is paid Rs.4420 for a total normal working hours of 170 hours in a month. He is paid twice the rate per hour for overtime work. Mr waheed received Rs.6500 as salary last month. how many hours of overtime did he work?

    asked by robbert
  10. history

    How were the cultural customs of Oceania passed down from generation to generation? A) Oceania cultures used hieroglyphics and pictographs on seashells. B) Oceania cultures kept written records using silk. C) Oceania cultures used an oral tradition for

    asked by Kira
  11. physics

    cheetahs, the fastest of the great cats, can reach 45 mph in 2.0 s starting from rest. assuming that they have constant acceleration of 33 ft/s throughout that time, find the distance (in ft) they travel during that time.

    asked by Anonymous
  12. Chemistry

    Calculate the final concentrations of the following aqueous solutions after each has been diluted to a final volume of 25.0 mL: a. 3.00 mL of 0.175 M K^+ b. 2.50 mL of 10.6 mM LiCl c. 15.00 mL of 7.24 * 10^-2 mM Zn^2+ the answers are A) 0.0210 M Na^+, B)

    asked by Anonymous
  13. World History

    Chinese characters originally were pictographs, but the language expanded into thousands of complex and stylized characters (1). One of the oldest Chinese books yet discovered is the I Ching, a fortune-telling guide that historians believe was written

    asked by malia
  14. S.S

    what concern about the Constitution is Patrick Henry expressing? its ether A or C A. that a president would need to be ambitious to be successful in office C. that a president has been given too much power

    asked by need help
  15. SS

    Jose was born in Costa Rica. When he was 18, he came to the United States to go to college. after college, he decided he wanted to live permanently in the U.S. Of the following, which are the requirements that Jose needs to meet in order to become a U.S.

    asked by HELP
  16. Math

    The angles of a triangle are in the ratio of 2:6:7 .the complement Of the smallest angle of the triangle is, explain. Answer=66

    asked by Sujata
  17. Social Studies

    Why did sharecropping lead to a cycle of proverty? 1.) No one shared the tools,seed,or fertilizer needed to be successful. 2.) Freedmen had worked on farms all their life and didn’t want to work on farms anymore. 3.) Crop prices were low, which prevented

    asked by Reagan
  18. Physics

    An arrow is fired horizontally with a speed of 30ms-1 from a height of 2m above the ground level. Model the arrow as a particle which does not experience air resistance. a)show that the time taken for the arrow to hit the ground is 0.639 seconds correct to

    asked by 0ooooooooo0
  19. math

    here are a series of questions and my answers are down below, please help me if I am wrong 1. Sain Advertising Ltd.’s opening trial balance on January 1 shows Supplies $1,600. On January 11, the company purchased additional supplies for $2,510 on

    asked by mark
  20. micro_economics

    Prove the profit maximization of the consumer i.e mu=p ,according to cardinalist using mathematical derivation

    asked by zena
  21. S.S

    I'm Having Trouble With These, Help If You Want. If You Do Know The Full Answer List, That Would Be Nice Too! 1. What significant affect did the Treaty of pairs, signed after the french and Indian War, have on France? a.France had to Withdraw to its empire

    asked by Jassie
  22. physics

    A Lamborghini sports car can accelerate from zero to 60 mph in 4 seconds. It can decelerate from 60 mph to rest in 120 ft. What is the ratio of average acceleration over average deceleration? (1 mile = 5280 ft). I know the answer is .682, but I'm not sure

    asked by Anonymous
  23. S.S

    which form of government provides funding for maintaining the infrastructure for bridges and highway A. local government B. regional government C. state government D. federal government

    asked by Anonymous
  24. Anatomy and Physiology

    Hello! Thanks for checking my question out! ____ 9. What type of bone is a skull bone? (1 point) a) long bone b) short bone c) flat bone d) irregular bone My Answer: C Could someone please check my answer? Thanks! - Da Fash

    asked by Da Fash
  25. Physics

    A golf ball is stuck at point o on the ground and moves with an initial velocity of 20ms-1 at an angle of 53 degrees to the horizontal.The ball subsequently lands at a point x which is on the same horizontal levelas o. a) show that the time taken by the

    asked by 0ooooooooo0
  26. American government

    In both the house and senate, a bill introduced by a member is next a.Given a number b.Scheduled for floor debate c.Sent to a standing committee d.Sent to the president Through which prcess are states assigned the number of repersentatives they are

    asked by Gisselle
  27. ss

    what was the minimum requirement in order for the bill of rights to be added to the Constitution A. one-quarter of the states had ratify the amendments. B. one-half of the states needed to ratify the amendments. C. two-thrids of the states had to ratify

    asked by Help
  28. finance

    Stock A is expected to provide a dividend of $10 per share forever. Stock B is expected to pay a dividend of $5 next year, after which dividends are expected to grow forever at 5.4%. finally, stock C is expected to pay a dividend of $2 in two years after

    asked by Anonymous
  29. Chemistry

    If the density of ocean water at a depth of 1.00 x 10^4 m is 1.071 g/mL and if 27.0 g of water at that depth contains 197 mg of potassium chloride, what is the molarity of potassium chloride in the sample?

    asked by Mae
  30. Social studies

    What presidential power under the constitution led the antifederalists to urge for a bill of rights? A veto power over acts of congress B miltary power, as commander-in-cheif C the power to carry out the laws passed by congress*** D the power to declare

    asked by Hi
  31. History

    What kinds of tools and material would Native Americans have used at Scull Shoals that did not last long enough for archaeologists to find?

    asked by Plz Help... fast
  32. Science

    Why was the tert. Butyl chloride finally washed with water,?

    asked by Morgan
  33. Math

    A year-end bonus of $24,000 will generate how much money at the beginning of each month for the next year, if it can be invested at 6.45%, compounded monthly? (Round your answer to the nearest cent.)

    asked by Lindsey
  34. Foundations of Math 1

    Solve the equation. 78=-2(m+3)+m A –28 B –42 C –72 D –84

    asked by Kayla
  35. Technology

    To edit the text in a SmartArt Graphic, what must be done first?

    asked by Glaceon
  36. science

    What mass of NaNO3 can be formed by 0.20 grams of NaSO4.3H20?

    asked by shiela
  37. Algebra

    Is the equation open, true, or false? 5x+2=6x+11

    asked by Person
  38. algebra

    20. At a local candy store, Malcolm purchased some 25-cent candies and some 30-cent candies. He spent a total of $4.75. Which equation below describes the number of each type of candy he bought? A25x + 30y = 4.75 Bx + y = (4.75)/(0.25 + 0.30) C25 + x + 30

    asked by kimmie
  39. Physics

    In 1346 the army of King Edward III of England defeated the forces of King Phillip VI of France at the battle of Crecy.The following passage gives some details: The main reason for Edward III's success was undoubtedly the longbow. The records say that

    asked by 0ooooooooo0
  40. Algebra

    A farmer has 260 feet of fencing to make a rectangular corral. What dimensions will make a corral with the maximum area? What is the maximum area possible? Thanks.

    asked by Anonymous
  41. psychology

    I need help bascially i didn't have time to jot down the homework so i'm not sure what the homework is about so...the only solution to this is to email my teacher but i don't know how to say it to her? Shall i say to her hello, I'm not sure what to do for

    asked by help
  42. Anatomy and Physiology

    Hello! Thanks for checking my question out! ____ 7. The bones of the extremities are parts of the (1 point) a) appendicular skeleton. b) axial skeleton. c) long bone group. d) medial skeleton. My Answer: A Could someone please check my answer? Thanks! - Da

    asked by Da Fash
  43. chemistry

    The following questions are about the reaction of sodium oxide with nitric acid. 1)What mass of sodium oxide would be needed to react with acid to form 0.5 mol salt? I said 1.5 2) How much sodium oxide would be required to neutralise 230cm3 of 1.0moldm-3?

    asked by 0ooooooooo0
  44. primary

    a sweet cost 35 paise and a toffee cost 65 paise. mrs naeem bought 4 sweets and some tofees. she spent Rs.4.00 altogether. How many tofees did she buy?

    asked by robbert
  45. chemistry

    3ca(s) + 2H3PO4(aq) -> Ca3(PO4)2(aq)+3H2(g) 1)a reaction between calcium and a solution of 1.2moldm-3 phosphoric acid produced 3 mol of H2 gas. a) Minimum volume of phosphoric acid would have been needed for reaction: I got 1.6cm3 b)Mass of calcium added

    asked by 0ooooooooo0
  46. Algebra Verbal Description

    You have a large tank filled with 175 gallons of water. The tank spring a leak and water is pouring out at a rate of 5 gallons per minute.

    asked by Jerry j
  47. Physics

    calculate the specific heat capacity of the materials for which the heat supply, mass, and temperature below: (i) 2.52 x 10^4j, 0.3 kg, 20 k (ii) 8 x 10^3j, 500g, from 20'c to 60'c (iii) 9.45 x 10^3j, 150g, from 15'c to 45'c

    asked by Johnny
  48. Physics: why is my answer wrong??

    What effect does doubling the radius of the circle that an object travels have on its centripetal force, if everything else is constant? I think it should double centripetal force, but that is marked wrong, even though I used a test case. My test case was

    asked by anonymous
  49. Algebra

    I would like some help on this problem.... A rectangular photograph has an area of 40 square inches. If the width of the photograph is 3 inches more than its height, find the dimensions of the photograph.

    asked by Anonymous
  50. Chemistry

    Zinc, copper, lead, and mercury ions are toxic to Atlantic salmon at concentrations of 6.42 × 10–2 mM, 7.16 × 10–3 mM, 0.965 mM, and 5.00 × 10–2 mM, respectively. What are the corresponding concentrations in milligrams per liter? Concentration of

    asked by Mae
  51. physics

    1) A golf ball is hit from a position that is 4m higher than h ehorizintal area where the ball lands. The intiial velocity of he ballis 30ms-1 at a angle of 0 above the horizintal a)show that the maximum height of the ball above the landing area is

    asked by 0ooooooooo0
  52. physics

    1)A ball is thrown so that it initially travels at 10ms-1 at an angle of 70 above the horizontal a)a simple model assumes that the ball is thrown from ground level and lands at the samelevel.Find the time of flightand range of the ball. b)A refined model

    asked by 0ooooooooo0
  53. algebra

    Find the missing coordinate to complete the​ ordered-pair solution to the given linear equation. y=5x+4

    asked by linda
  54. Science

    Eight Elements of Thought and Reasoning There are eight elements of thought in reasoning. We often use more than one element at the same time. For example, your Point of View includes Assumptions. Therefore, we can assume that these elements are two

    asked by Anonymous
  55. Algebra

    John takes one hour more than Rikki to rake the leaves from their yard in the fall. If the two work together, they can rake the leaves in 2 hours. How long does it take John, working alone, to rake the leaves? Round to the nearest tenth of an hour.

    asked by Anonymous
  56. Pre-Calculus

    Verify the identity. cos x - sec x = -sin x tan x So far I have applied a reciprocal identity =cos x - 1/cos x I know I must combine using the least common denominator but I don't know how it would be written.

    asked by Karry
  57. World History

    What events contributed to the rise and fall of the Egyptian Empire?

    asked by Anonymous
  58. Anatomy and Physiology

    Hello! Thanks for checking my question out! ____ 6. Appositional growth ends in (1 point) a) infancy. b) adolescence. c) early adulthood. d) late adulthood. My Answer: C Could someone please check my answer? Thanks! - Da Fash

    asked by Da Fash
  59. social studies

    Which could be a reason for the Southern economic worth being so much higher than that of the New England and the Middle Colonies?

    asked by Savannah
  60. PHYSIC

    a 60kg painter climbs a ladder, he goes 5.00m. The ladder makes an angle of 70 degrees. (g = 9.8 m/s^2). a) How much work is done by the painter in ascending the ladder? b) The painter drops 1.0kg pain bucket from the top of the ladder (length = 5m..not

    asked by AH
  61. math

    Get help don't just cheat. You won't learn by just asking for answers.

    asked by cheater
  62. Science

    How does a higher heat capacity affect the amount of time it takes for an object’s temperature to change?

    asked by boooooooooooyyyyyyy
  63. Algebra 1

    A gardener at a nursery is filling pots with soil to prepare to transplant seedlings into these larger pots. Each new pot needs about 27 cubic inches of soil. The amount of soil s (in cubic inches) it takes to fill p pots is given by the function s 5

    asked by Kenzington not really
  64. Maths

    A gift box is made from a rectangular piece of cardboard that is three times as long as it is wide. 5 cm squares are cut from each corner and the ends are then folded up to make the box. If the box's volume is 4340 cm^3, find the length and width of the

    asked by Carly
  65. Math

    h(x) = 2-4x A. h(-5) my answer is -62 B. h(4) my answer is -34

    asked by Michelle
  66. Algebra

    Generate the first 5 terms of this sequence: f(1) = 2 and f(2) = 3, f(n) = f(n - 1) + f(n - 2), for n > 2. (1 point) a) 2, 3, 5, 7, 9 b) 2, 3, 4, 7, 11 c) 2, 3, 5, 9, 11 d) 2, 3, 5, 8, 13

    asked by Deanna
  67. social studies

    In the Middle Ages, ceremonies such as weddings had t be performed by? 1) the mam of the house 2)a bishop 3)a priest 4)the pope I chose #2 but reading stated the clergy attended all ceremonies. If the man of the house and clergy are the same then it would

    asked by Jamie
  68. Pre-Calculus

    Verify the identity. (csc(2x) - sin(2x))/cot(2x)=cos(2x) =csc(2x)/cot(2x) - sin(2x)/cot(2x) =csc(2x)/cot(2x) - cos(2x) Is this correct so far? If so then how would I continue? I got stuck on this part...

    asked by Karry
  69. PHYSIC!!

    How many hp or horsepower does it take to lift a 100kg up 30.0m in 20sec? (1hp = 748W)

    asked by AH
  70. physics

    A ball is kicked from ground level so thta is intiial velocityis 10ms-1 AT AN angleof 60 degrees above the horizontal. It hits a wall which is at a distance of 8m from the initial position of the ball a)show that the ballhits the wall 1.6s after it was

    asked by 0ooooooooo0
  71. Science

    Definition of Critical Thinking The first reading contained the following definition of critical thinking: According to the article, Critical Thinking as Defined by the National Council for Excellence in Critical Thinking, Critical thinking is the

    asked by Anonymous
  72. English

    What is the meaning of the quote @Life is eternal; and love is immortal; and death is only a horizon; and a horizon is nothing save the limit of our sight." Especially the part- "and a horizon is nothing save the limit of our sight." Thank you

    asked by Alex
  73. Java

    1. Which of the following expression evaluates to a value of 15? 1+2x3+4 (1+2)x(3+4) 1+2x(3+4) (1+2)x3+4** 2. If x is an int which of the following statements adds 5 to the current value of x and store the new value back in x? x=5; x+5; ** x =+ 5; x += 5;

    asked by trish
  74. maths

    peter is 10 years old . he is 4 years younger than his brother , raymond . Find the ratio raymond's age to peter' s age .

    asked by harshitha
  75. 9th grade algebra

    solve for h The formula for finding the area of a trapezoid is A = 1/2 (b1 + b 2)h where A represents the area of the trapezoid, b1 and b2 are bases, and h represents the height. Solve the formula for h. I know the answer is h = 2A/b1 + b2 but I don't

    asked by mark
  76. Biology

    Plz i need help. Plants are green because the pigments in plants reflect green light. Blue and red light give them the most energy to power photosynthesis. You are conducting an experiment to see how different colors of light affect the growth of plants.

    asked by Justin
  77. Science

    Fair-Minded Qualities After reading this week’s lectures on the qualities of a Fair-Minded Thinker, select one quality you feel you possess and describe how you embody this quality. Next, select two qualities you feel you need to improve upon. Using the

    asked by LaShawnda Bishop
  78. math

    Suppose f(x) is a function which is even but then transformed to an odd function g(x) = af(kx − d) + c. What can you conclude about a, k, d, and c. Justify your conclusion both algebraically and graphically. I honestly have no idea how to answer this

    asked by Angela
  79. Math

    A triangular lot is 120ft on one side and has a property line of 700ft. Find the area of the lot in acres (figure not drawn to scale)

    asked by J
  80. Math

    Say i have a box plot and I'm trying to determine the shape. My mean is 119.6 My median is 51 Would the shape be skewed to the right

    asked by Aria
  81. Math

    A rectangle has the length of 5x and the width of 5x-4. Find the perimeter and the area of this rectangle.

    asked by Anonymous
  82. Economy

    Use the following information to answer the question. There are three firms in an economy: X,Y,Z. Firm X buys $200 worth of goods from firm Y, and $300 worth of goods from firm Z, and produces 250 units of output at $4 per unit. Firm Y buys $150 worth of

    asked by Bea
  83. Pre-calc

    Perform the operation and write the result in standard form. ___16___ 2x+2

    asked by Tom
  84. Math

    Say i have a box plot and I'm trying to determine the shape. My mean is 119.6 My median is 51 Would the shape be skewed to the right ?

    asked by Aria
  85. philosphy

    1.The attorneys for the prosecution were not able to establish beyond a reasonable doubt that Hinckley was sane when he fired at President Reagan. We know this because Hinckley's own lawyers declared that at the end of the trial. So, we have no choice but

    asked by PETRA
  86. Math

    5/13t=-9 Can someone show me the steps on how to do this please??

    asked by Anonymous
  87. Chemistry

    What is traveling faster, an x-ray wave or a radio wave? The question is so general, so how am I suppose to figure it out without any additional information? That is question #7 on our worksheet. Question #4 says how many times more energy is there in one

    asked by Dave
  88. Physics

    One device used for throwing spears is an atlatl. This device was used by human hunters over 20000 years before the invention of the bow ad arrow. It effectively increases the length of the hunter's arm allowing a spear to be thrown further than it could

    asked by 0ooooooooo0
  89. Maths

    Find a if a is between 0 degrees and 180 degrees, and: a. Sin a = cos a b. sin^2 = 3/4 c. tan^2 = 1/3 I have no clue on where to start any help would be much appreciated.

    asked by Rick
  90. College Algebra: Please Help Me. Thanks.

    For the functions f(x)=x-4 and g(x)=2x^2-3x-1, Find: A. (f*g)(x) B. (f*g)(-1)

    asked by Anonymous K
  91. math

    Describe in detail what the discontinuities that could be if a rational function has a linear function for a numerator and an absolute value function for a denominator. I don't get this because wouldn't there be an infinite number of discontinuities

    asked by Angela
  92. physics

    a body is moving with a velocity v over a rough horizontal surface and comes to rest after traversing a distance s then the co-efficient of friction between body and the surface is

    asked by Anonymous
  93. Induction

    Given the series 1,2,3,4,5,10,20,40,80,..... which starts as an arithmetic series for the first five terms and then follows geometric series. It can be proved by strong induction that any positive integer can be written as a sum of distinct numbers of this

    asked by bcruga
  94. English

    Can someone please proofread this paragraph for me. There are at least there traits of a self confident person such as. Determined independent and sociable. First of all a self confident person always believes himself and his abilities he often try and try

    asked by Raghad
  95. Government

    Is there a democratic system in the Islamist nations?

    asked by Halter
  96. MATH PLZ HELP

    Simplify the expression: 15 − 3[2 + 6(−3)]

    asked by D
  97. Maths

    SAMUEL IS 5 YEARS OLDER THAN HIS BROTHER .THE SUM OF THEIR AGES IS 33.WRITE A MATHEMATICAL EQUATION?

    asked by Maths
  98. Phys

    How many hp or horsepower does it take to lift a 100kg up 30.0m in 20sec?(1hp = 748W)

    asked by Y!
  99. Algebra

    Eight friends want to play brought games of tennis (singles) to be sure that everyone plays everyone else. How many games will they have to play?

    asked by Meisha
  100. chemistry

    How may particles are there in: in 1 mole of silicon? in 2 moles of fluorine? in 31g phosphorous? in 18g water? please help im confused especially with the last one and the second last one second

    asked by 0ooooooooo0
  101. Algebra

    Function Notation H(x)=2/3x-1 h(-3) My answer is 2.96 Is my answer correct?

    asked by Stephon
  102. Pre-calc

    Find a polynomial function with -2 and 3-i.

    asked by Tom
  103. Chem

    How would you figure out PPM when given mL and mg?

    asked by Anonymous
  104. Chemisty

    How do you know if a solution has the basis of ability to conduct electricity?

    asked by Anonymous
  105. social studies

    What did Elizabeth Freeman's heroic impact leave behind?

    asked by anonymous
  106. World Bank

    Monetary Fund (IMF) role in the economy of indebted countries in the Middle East. Just need link not answer.

    asked by Halter
  107. Middle East

    What are some of the factors for the foundation of the Middle East politics?

    asked by Halter
  108. English

    The most effective persuasive speech or advertisement uses all 3 rhetorical appeals. True False

    asked by Sid.V