Questions Asked on
January 17, 2020

  1. Physics

    A brass measuring tape is correct at 20 degree Celsius. The value obtained when the length of a field is measured with the rule at 50 degree Celsius appears to be 70.5m. what is the true length of the field Linear expansivity of brass =1.8 ×10 raise to

    asked by Samuel
  2. Calculus

    Consider the curve given by x^ 2 +sin(xy)+3y^ 2 =C, where Cis a constant. The point (1, 1) lies on this curve. Use the tangent line approximation to approximate the y-coordinate when x = 1.01 .

    asked by Sarah
  3. Calculus

    The altitude of a kite is graphed here (the y-axis is in increments of 10 feet; the t-axis is in minutes). Over which intervals is the kite accelerating upward? Go to this website for the graph

    asked by Sarah
  4. math

    Nicholas is the facilities manager for Green Market Groceries. The store is remodeling and wants to determine which brand of freezer to use for its frozen goods section. The freezers vary by size, cabinet type, accessibility, refrigerant, and interliner.

    asked by Sarah
  5. math

    the angle elevation of the top of a cliff from point p is 45 from a point Q which is 10m from P towards the root of the cliff the angle of elevation is 48 calculate the height of the cliff.

    asked by Anonymous
  6. Chemistry

    Background information: Due to the widespread use of sodium bicarbonate (commonly called baking soda) in many food products, the thermal decomposition reaction has been studied extensively by food chemists. Baking soda is used to prepare cakes in order to

    asked by Soap
  7. civics

    the supreme court decision in gibbons v. ogden decided that the commerce clause in article 1 of the constitution gives congress the power to regulate interstate trade how was that decision used to increase national power over the states? select all that

    asked by janicia
  8. Calculus

    If the graph of f(x) looks like the top graph in the screenshot, which of the following represents the graph of f(|x|)? Go to this website for the screenshot

    asked by Sarah
  9. science

    Which element is oxidized in this chemical reaction? 4Na(s) + O2(g) → 2Na2O(s)

    asked by Maddie
  10. maths

    3x-2y=4 2x-3y=6. using substitution method

    asked by lateef
  11. Algebra

    A student randomly selects one marble from the group of marbles shown below and then tosses a balanced coin. 3 red marbles 4 green marbles 2 blue marbles A. What is the probability that the student will select a green marble and then toss a heads? Show all

    asked by TheAsker
  12. math

    Which statement correctly describes the slope of the linear function that is represented by the data in the table? x y 8 –8 8 –4 8 0 8 4 8 8 The slope is positive. The slope is negative. The slope is zero. There is no slope.

    asked by rce
  13. Math

    The third term of an Ap is 9 while 11th term is -7 find the first 5th term of the Ap

    asked by Rasheed
  14. math

    Solve for W. A=9W ----------------------- I'm so confused and I have no clue how to solve this. Can someone please help??????????

    asked by reeeeeeeeeeeeeee
  15. US History

    In 3–5 sentences, describe the Hoover administration's initial response to the Great Depression. Choose 2 examples.

    asked by zaddy
  16. Calculus

    Here is a graph of the derivative y’ of a continuous, differentiable function. For approximately what values of x between -5 and 5 does the original function y have inflection points. Is it 4 inflection points?

    asked by Sarah
  17. Math

    In a senior secondary school, 80 students play hockey or football. The number that play football is 5 more than twice the number that play hockey. If the 15 students play both games and every student in the school playsat least one game, find: The number

    asked by Anonymous
  18. mathematics

    a tree casts a shadow of 34 feet at time when a 3-foot tall child casts a shadow of 1.7feet. What is the height of the tree?

    asked by tefera Kassa
  19. math

    Ama is 4 times older than her brother.Ama is 16 old will they be in 12 years time.

    asked by Vandyck
  20. Math

    Which function describes the arithmetic sequence shown? 1, 7, 13, 19, 25, 31, ... A) ƒ(x) = 6x + 5 B) ƒ(x) = 5x + 6 C) ƒ(x) = 5x − 6 D) ƒ(x) = 6x − 5

    asked by Anonymous
  21. Chemistry

    What concentration of Ag+ is in equilibrium with 3.0×10−6 M Co(CN)3−6 and Ag3Co(CN)6(s)? Ag3Co(CN)6 --> 3Ag^+3 + Co(CN)6 ^-3 I worked the problem as such: Ksp= 3.9*10^-26 3.9*10^-26= [3x]^3 * [x] 3.9*10^-26= [3x]^3 * [3.0*10^-6] Divided both sides by

    asked by Catherine
  22. Civic

    The purpose of the petition sent to king George 3 was

    asked by Anonymous
  23. science

    A container of water is knocked off a 10.00–meter–high ledge with a horizontal velocity of 1.00 meters/second. Calculate the time it takes for the container to reach the ground.

    asked by Anonymous
  24. Careers

    Which careers are possible for me to do? Maths lit,geography,history,tourism

    asked by Libo
  25. Biology

    Explain how stream volume and speed affect the size, shape, and flow of streams and rivers. Can you explain it in at least 6 sentences? Thank you so much!

    asked by Help is Always appreciated
  26. algebra

    Which of the following are equivalent to 45%? Choose all that apply. 0.045 0.45** 9/10 9/20**

    asked by 21 pilots (not really)
  27. English

    "people from different parts of the world can respond to the same story if it says something to them about their own history and their own experience" -Chinua Achebe Write a short essay (2 paragraphs) help

    asked by MIA
  28. English

    Paragraph 1 Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must

    asked by xilacheng91
  29. Physics

    Total left direction moments of a coplanar system of forces are given by G, 2G and 4G about the points (0,0) , (1,2) and (2,5) respectively. Find the magnitude and the equation of the line of action of the resultant. (G doesn't equal 0) I know that the

    asked by Ashley
  30. precal

    f(x)=2x+4 and h(x)=x^3 find (h o f)(2)

    asked by jill
  31. English

    Frost state "play is the chief vehicle for the development of imagination and intelligence, language, social skills, and perceptual-motor abilities in infants and young children" Can you please explain this person's beliefs from this quote?

    asked by help me please!!
  32. math

    a right VEFGH with a square base of 8cm and a slant edge of 20cm. Points A, B, C and D lie on the slant edges of the pyramid such that VA =VB = VC = VD =10cm and plane ABCD is parallel to the base EFGH. (a) Find the length of AB. (b) Calculate, correct to

    asked by King
  33. Math

    A piece of land ABCD earmarked for building sub-county hospital. in meters (a) Write down the ordinates of curves AB and DC for x = 0, 200, 400, 600, 800, 1000 and 1200. (b) Use trapezium rule, with 6 strips to estimate the area of the piece of land ABCD,

    asked by King
  34. Social Studies

    Why did the monks and nuns promise to live their entire lives within their religious communities? A. They needed to live alone to practice Christianity freely. B. They made a vow to devote their entire lives to god.***** C. They could better provide

    asked by Unknown
  35. English

    "so much snow" written by Robert Munsch what message it gives? 5 point, please

    asked by help me please!!
  36. Social Studies

    1. How is the size of a legislative district determined? a. by geographical boundaries b. by city limits c. by the apportioned population d. by country boundaries

    asked by kazo
  37. visual arts


    asked by jacey
  38. math word problem

    Organizers for a local race plan to provide 4 water bottles for each runner, 328 people have signed up to run in the race which of the following equations represent the this situation and what does the variable x represent A) 328/x=4, x=number of water

    asked by help
  39. Maths

    Rounding off 87392 to the nearest 1000

    asked by Anonymous
  40. Math

    In a candy bar, 165 calories are from sugar. There are 250 calories in the candy bar. What percent of the calories are from sugar. A=58 B=82 C=60 D=66< --------- Please correct me if I am wrong I need to get this done.

    asked by Desperate
  41. Math

    A group of people were asked if they had run a red light in the last year. 238 responded "yes", and 196 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year

    asked by Eddy
  42. Social studies

    How many provisions were there of the Treaty of Tordesillas? And what are they? i could really use some actual help, not just articles

    asked by DOGE
  43. math

    elimination method 4p+3q=6 and 3p-5q=-1o

    asked by Anonymous
  44. Algebra

    I wanna make sure I understand how to do this so, the math problem is -25+37 the answer would be 12 right?

    asked by Shar
  45. history

    HELP ME PLEASE! Please remember to follow these rules to get the best grade possible 1. Please write in complete sentences and use appropriate punctuation when answering the question. The Triangle Shirtwaist Company fire in New York City was one of the

    asked by jayyy78
  46. Earth Science

    What provides evidence of an increase in animal species at the same time that atmospheric oxygen concentrations increased?(1 point) rust deposits anaerobic organisms fossil record stromatolites

    asked by Madi
  47. Technology

    `Think about the last business that you purchased a product or a service from. What three types of software might they need? Why would they need them? I don't understand the question, could I get a little help please and thank you!

    asked by Sam
  48. history

    Which belief did Presidents Roosevelt, Taft, and Wilson share?

    asked by Stressed Otaku
  49. Earth Science

    In a small bay that contains a coral reef, the water temperature has remained the same for decades. Recently, scientists discovered that the water temperature in the bay has increased by 1°C. Which is most likely to happen?(1 point) The corals in the reef

    asked by Madi
  50. science

    The timber wolves, rabbits, and vegetation in a particular region of northern New York together constitute part of a

    asked by Aron
  51. math

    Quinn deposited $80 in a savings account earning 5% interest, compounded annually. To the nearest cent, how much interest will he earn in 2 years?

    asked by Alexis
  52. history

    How did the spoils system affect President James Garfield and his successor Chester A. Arthur?

    asked by Stressed Otaku
  53. Math

    You collect data on the number of children for each other woman in a random sample of 100 adult women in the United States. Think about the amount of children most women typically have (is the average 2-3 children or 8-9 children?). Picture or sketch out

    asked by Zane
  54. Physics

    A 89.0 kg person stands on one leg and 90% of the weight is supported by the upper leg connecting the knee and hip joint-the femur. Assuming the femur is 0.640 m long and has a radius of 1.90 cm, by how much is the bone compressed?

    asked by Bob
  55. math

    Which exponential expressions are true? Select two answers. A. 4 ⋅ 4 = 2 4 B. ( 5 + 2 ) 3 = 5 3 + 2 3 C. 8 ⋅ 8 ⋅ 8 ⋅ 8 = 8 4 D. 3 ⋅ 3 ⋅ 3 = 3 27 E. ( 6 − 1 ) 2 = 5 2

    asked by help
  56. math

    Which pair of ratios can form a true proportion 7/4 21/12*** 6/3 /56 7/10 6/7 3/5 7/12 I just need to check my work

    asked by bee_bro
  57. Math

    6 1/2 x 1 1/3 A. 5 1/6 B. 6 1/6 C. 7 5/6- my answer D. 8 2/3

    asked by James charles
  58. Calculus

    Rebecca, Justin, and Robert are trapped in a rectangular room 8 feet deep and 10 feet tall. Two opposing walls are closing in at a rate of 1 foot per minute. If the water in the room is 2 feet deep when the moving walls are 12 feet apart, how fast is the

    asked by Matthew
  59. Math

    Solve for the length of the unknown side in the following right triangle. (Side AC is the hypotenuse.) Round your answer to two places, where applicable. Side AB Side BC Side AC 3 4 ?

    asked by Edd
  60. math

    2 1/3x =7 7/8 -3 3/8 -3 1/2 - 3 5/8 - 4 1/4** my answer

    asked by James Charles
  61. Calculus

    Rebecca, Justin, and Robert are trapped in a rectangular room 8 feet deep and 10 feet tall. Two opposing walls are closing in at a rate of 1 foot per minute. If the water in the room is 2 feet deep when the moving walls are 12 feet apart, how fast is the

    asked by Matthew
  62. English

    Paragraph 2 Background Your favorite cousin has moved to your town and is looking for a job. Her previous experiences are working as a cashier and sales clerk at two department stores. You know she plans to apply to similar stores in your town. But you

    asked by xilacheng91
  63. physics

    A brass cube 6.0 cm on each side is placed in a pressure chamber and subjected to a pressure of 1.2×107 N/m2 on all of its surfaces. By how much will each side be compressed under this pressure?

    asked by matt