Questions Asked on
March 7, 2018

  1. Science Chemical Reactions

    1. The current atomic model would be revised if  (1 point) A• better microscopes were being used to study its structure. B• better microscopes are invented in the future. C• new information about an atom’s structure is discovered. C• a new

    asked by John Smith
  2. Science

    The earth is in constant motion. It rotates and revolves. Which of the following is NOT TRUE of the Earth's motion? 2 points A Due to the revolution of the Earth, we experience seasons. B The Earth rotates on its axis once every 24 hours. This causes day

    asked by SimPug
  3. Geometry B

    unit 3 lesson 7: similarity unit test (Connexus) Can someone help me? It's the one with this question: The Seattle space needle is 604 feet tall. a model of the building is 48 inches tall. what is the ratio of the height of the model to the height of the

    asked by some random dude
  4. Social Studies Help please its a quiz

    Dix also joined a growing movement to improve conditions in prisons. Men, women, and children were often crammed together in cold, damp rooms. When food supplies were low, prisoners went hungry—unless they had money to buy meals from jailers. Five out of

    asked by jake
  5. S.S help please thank you

    Which of the following best summarizes the information shown in the graphic organizer?  (1 point

    asked by jake
  6. Social Studies

    2. Which statement best explains how life is changing in China? a) new agricultural techniques are making lakes cleaner b) the government is moving villages to make more park land c) new factories and ways of life are producing more waste ** d) more and

    asked by Tordy
  7. Math

    The graph of a trigonometric function oscillates between y=1 and y=-7. It reaches its maximum at x= pi and its minimum at x=3pi. which of the following could be the equation of the function? A) f(x)=4 cos x/2-3 B) f(x)=4 sin x/2-3 C) f(x)=4 sin 2x-3 D)

    asked by Benji
  8. S.S

    In the election of 1856, Millard Fillmore was the Know-Nothing candidate and received 21 percent of the popular vote. What conclusion could be drawn from this fact? A. A significant number of people opposed slavery. B. A significant number of people were

    asked by john
  9. MATH

    The graph of a trigonometric function oscillates between y=1 and y=-7. It reaches its maximum at x= pi and its minimum at x=3pi. which of the following could be the equation of the function? A) f(x)=4 cos x/2-3 B) f(x)=4 sin x/2-3 C) f(x)=4 sin 2x-3 D)

    asked by Benji
  10. S.S

    5. The Underground Railroad used escape routes that went throughout the South. Based on that fact, which of the following conclusions could be made? (1 point) A. The Southern states were leaning toward emancipation of the slaves. B. Slaves were hopeful to

    asked by john
  11. Science

    Name ONE of the air masses that can be found in North America (remember to use both the temperature and humidity descriptors). I searched everywhere, even looked back at my lesson, and I still can't find out, if you can help me or send me a link, I will be

    asked by Baby_Banana
  12. Math IMPORTANT

    A large pizza at Tony's Pizzeria is a circle with a 14-inch diameter. How long is the pizza?

    asked by Renee :)
  13. chem

    A flexible container at an initial volume of 4.11 L contains 7.51 mol of gas. More gas is then added to the container until it reaches a final volume of 15.9 L. Assuming the pressure and temperature of the gas remain constant, calculate the number of moles

    asked by Rachel
  14. English (essay question)

    Hi, I'm doing an assignment which requires me to choose two of Mark Twain's quotes (from a certain page) and answer the following questions: 1. What is the essential cultural observation or situation being satirized? What clues lead you to this conclusion?

    asked by Max
  15. Chem

    A sealed container holding 0.0255 L of an ideal gas at 0.989 atm and 71 °C is placed into a refrigerator and cooled to 45 °C with no change in volume. Calculate the final pressure of the gas.

    asked by Rachel
  16. Chemistry

    The elements X and Y form a compound that is 40% X and 60%Y by mass. The atomic mass of X is twice that of Y. What is the empirical formula of the compound?

    asked by Dora
  17. AP Physics

    Determine the change in rotational kinetic energy when the rotational velocity of the turntable of a stereo system increases from 0 to 33 rpm. Its rotational inertia is 6.2×10−3kg⋅

    asked by Emily
  18. MATH!!!!!!!!! HELP!!!!!!!! DX

    During a three-day period, the stock of Money, Inc. gained 6 points, lost 10 points, and gained 2 points. What was the total change in points for the three days?

    asked by Naruto Uzumaki
  19. math

    Matthew used 1/5 of a box of flour for cooking and 3/4 of the remainder to make bread. The rest of the flour was packed equally into 5 containers. What fraction of the total amount of flour was in each container?

    asked by robin
  20. Science

    what is the function of the small intestin?

    asked by Some Guy.
  21. Literature

    How do the lines of the Chorus at the end of Antigone Part 2 affect the meaning of the play? The Chorus ponders the role of fate in determining the lives of people. The Chorus emphasizes the cruelty with which Zeus exercises his power. The Chorus explains

    asked by Quinn
  22. Trigonometry

    A pilot wants to maintain a course of 40° and a ground speed of 300 mph against a 45 mph wind from 20° west of north. What should his heading be?

    asked by John
  23. chem

    1.45 g of an unknown gas at 53 °C and 1.10 atm is stored in a 1.85-L flask. What is the density of the gas what is the molar mass of the gas

    asked by rachel
  24. Trigonometry

    a small blimp has an air speed of 24km/h on a heading of 42°. The wind's speed is 9 km/h and its direction is 312°. Find the ground speed and drift angle of the blimp.

    asked by John
  25. math;)

    1. At which values of x does the graph of f(x)=cos x intersect the x-axis? Select all that apply. (2 answers) a. 0*** b. pi/2*** c. pi d. 3pi/2 e. 2pi 2. Which of the following represents the domain and range of y=tan x? a. domain: -infinity

    asked by girly girl
  26. Trigonometry

    The function in the graph has the general equation f(x)=asin(bx+c)+d. Which of the following values are correct? Select all that apply d=-3 C=-1 B=0.5 B=0.5 D=1 A=2 B=2

    asked by Micheal
  27. math

    The age of Mwenda is 3/5 of that of his sister.If 20 years ago the age of Mwenda was 2/5 of that of his sister then. Find the present age of Mwend. #Please guys help me this question#

    asked by kelvin
  28. Physics

    What type of "fluid" Would exist if the temp was 850°c and pressure was 1.75 atm?

    asked by Layla
  29. English

    1. The best way to improve listening comprehension is to a. take informal notes on what you hear. b. use complete sentences to take detailed notes of both main ideas and details. c. concentrate on listening to the speaker's transitions. (B) 2.

    asked by SAm
  30. Math

    Tom bought three tee shirts for the sale price of $14.50. The three tee shirts were originally priced $3.99,$6.99, and $5.99. How much money did he save compared to the original total price of the T-shirts? Show your calculations. What percentage of the

    asked by Mark
  31. Algebra 1

    Micah Beasley invested $10,000 for one year, part at 10% annual interest and part at 14% annual interest. Vos total interest for the year was $1,280. How much money did he invest at each rate?

    asked by Emily
  32. Science

    In approximately what year did oil and gas become the dominant fuels for the US? 1880 1910 1940 1970 2000

    asked by Anonymous
  33. calculus

    Find the value of $800 deposited in a bank at 10% interest for 8 years compounded in the following ways. (Round your answers to the nearest cent.) (a) annually_________$ (b) quarterly_________$ (c) continuously________$

    asked by aj
  34. Physics

    A 200 kg block of ice at 0.0c is placed in a large lake the temperature of the lake is just slightly higher than 0 C and the ice melts very slowly. i) what is the entropy change of ice ii) What is the entropy change of the lake iii) What is the entropy

    asked by Stan
  35. SCIENCE

    A sphere of mass 50g and diameter 20cm is rolling with a speed of 5cm/sec . What will be its its total energy.

    asked by BOB
  36. Math

    1. What is the intercept (y-intercept) of the function y = 2.5x + 8 is it 8? 2. What is the x-intercept of the function y = 2.5x + 8 i'm honestly not sure... 3. What is the slope of the function y = 2.5x + 8 um...is it 2.5? 4. The sides of a triangle are

    asked by damnnn
  37. math

    I need help with my homework. 1) You want to buy a jacket that costs $45, it is on sale for 30% off. How much money will you save? Show your work. 1) You grab lunch with a friend and the bill is $27.00. You want to leave a 15% tip, how much will the final

    asked by coolgirl
  38. Biology organism classification

    We have "made up" organism's based on real ones like these 2. Chemosynthetic goldfish that convert pollution to food (autotrophs) 3. Aquatic humanoids whose main diet is aqua-wheat and basking sharks. They have fins instead of legs (heterotrophs) 4.

    asked by samatha
  39. manth

    a trail bike has a front wheel with a diameter of 40cm and a back wheel of of a diametet 60cm. Through what angle does the front wheel turn if the back wheel turns through 8 radians?

    asked by phillip
  40. Math

    1. What is the intercept (y-intercept) of the function y = 2.5x + 8 2. What is the x-intercept of the function y = 2.5x + 8 3. What is the slope of the function y = 2.5x + 8 4. The sides of a triangle are 6,10, and 12. Using Pythagorean Theorem, determine

    asked by hiya
  41. Physics

    Jason while driving on Kukum highway at 70 m.s – 1 seeing the traffic light turn red, he applies the brake and comes to rest in a time of 2 seconds. What is his deceleration?

    asked by Jnr
  42. Calculus

    Find how many terms are required to approximate the sum of the series from 1 to infinity of (-1)^(n+1)/(n^3) with an error of less than 0.001. I think 11 terms are required.

    asked by Anonymous
  43. chem

    A 8.00-L container holds a mixture of two gases at 23 °C. The partial pressures of gas A and gas B, respectively, are 0.349 atm and 0.819 atm. If 0.210 mol of a third gas is added with no change in volume or temperature, what will the total pressure

    asked by rachel
  44. Algebra 1

    Josh and Greg leave from the same place and travel the same route. Josh travels 2 hours and stops. Greg travels 5 hours at double Josh's rate. After five hours they are 256 miles apart. Find the rate and distance of each.

    asked by Emily
  45. manth

    find the reference and coterminal angle for 2456 and 740

    asked by phillip
  46. Math Help Me Please

    Graph the two lines 2x + 3y = 18 3x -4y > 16. Give the Domain and Range, Slope, and Y-intercept for each line. Graph each equation above on the graph below and show all work. Give the Domain and Range, Slope, and Y-intercept for each line. Explain in

    asked by Ariana Grande
  47. Maths

    Brendan has a rectangular paved area in his backyard. If the length and breadth were increased by the same percentage and the area increases by 21%, what is the percentage increase of the length and breadth?

    asked by Henry
  48. Physics

    Jason while driving on Kukum highway at 70 m.s – 1 seeing the traffic light turn red, he applies the brake and comes to rest in a time of 2 seconds. What is his deceleration?

    asked by Don
  49. Civics Economics

    1. Nixon's credibility as President was severely strained by the Watergate scandal. a. True b. False (A) 2. In the 1970's, the federal government gave up its policy of trying to Americanize the Indians. a. True b. False (B) 3. Vietnam was no longer an

    asked by cristaln
  50. Social Studies

    Part 3: Write. 1. Write a persuasive argument explaining why you think this innovation is the most important development of ancient China. 2. Your argument should include the following: a. Begin with an opening sentence, introducing your argument. b. Add

    asked by flybird
  51. Guidance and discipline

    Kelly is constantly tattling On her classmates. This could be due to her age and the fact that she is very concerned about rules,or it could be due to a need for : A. Power B. Acceptance C. Revenge. D. Attention Is it B?

    asked by Bev
  52. math

    serio walked to and from school on 3/5 of the days in one month. He got a ride to school on 7/8 of the remaining days. On the remaining school day that month he stayed home with a cold. How many school days were there that month?

    asked by robin
  53. Math

    If I roll a die 6 times, how many 5's do I expect to get? I know if I rolled it one time I would have a 1 in 6 chance of getting a 5, but how do I determine how many I would expect to get if I roll it 6 times?

    asked by Sami
  54. math

    serio walked to and from school on 3/5 of the days in one month. He got a ride to school on 7/8 of the remaining days. On the remaining school day that month he stayed home with a cold. How many school days were there that month?

    asked by teresa
  55. math

    A bus driver filled up 7/8 of her fuel tank for a trip. She used 6/7 of the fuel by the end of the trip. The capacity of her tank is 70 gallons. How much fuel did she use for the trip?

    asked by teresa
  56. chemistry

    Calculate the [H⁺] for the aqueous solution in which [OH⁻] is 1 x 10⁻⁹. Is this solution acidic, basic or neutral? Show your work

    asked by mary
  57. maths

    Paul, Kate and Sarah's mother left a bowl of jellybeans on their kitchen counter. Paul took one-third of the jellybeans, but then threw back 4 because he didn't like the black ones. Sarah ate 6 jellybeans and then took one-quater of what remained. Kate

    asked by bryan
  58. Economics

    Suppose that when disposable income rises from $5.2 trillion to $6.0 trillion, consumption rises from $5.0 trillion to $5.6 trillion. What is the marginal propensity to consume?

    asked by aj
  59. Chem

    How many molecules are there in an ideal gas with a volume of 1.99 L at STP?

    asked by rachel
  60. Math: Geometry and Measurement

    Find the area of each circle shown below. Also please tell me how to do it, and no false info please:) The image shows a) a circle with the diameter of 20 cm and b) a circle with the radius of 7 m.

    asked by Renee :)
  61. math

    The age of Mwenda is 3/5 of that of his sister.If 20 years ago the age of Mwenda was 2/5 that of his sister then. Find the present age of Mwend. #Please guys help me this question#

    asked by kelvin
  62. MATH HELP!!!!!!

    What is 0.35 as a percent? Show your work. Please help me immediately!!!!!

    asked by princesskitty
  63. physics

    If a very large iceberg were to float to warmer waters and melt, what, in principle, would happen to the overall sea-level? A. sea-level would rise very slightly. B. sea-level would fall very slightly. C. sea-level would stay the same. *I would say A

    asked by A
  64. maths

    A primary school is planning to hold a fete, but needs help in figuring out how much to charge for entry. they intend to have an 'all you can eat' sausages sizzle, and they think each adult will eat about $3 worth of sausages and each child $2 worth. The

    asked by lisa
  65. Story Problem

    Two bikers bike4 miles north and 6 miles west. What is the shortest distance they must travel to get to their starting point?

    asked by Niki
  66. math

    serio walked to and from school on 3/5 of the days in one month. He got a ride to school on 7/8 of the remaining days. On the remaining school day that month he stayed home with a cold. How many school days were there that month?

    asked by robin
  67. English

    1. One major difference between a debate and a research paper is that a. a research paper involves a multistage process of gathering, organizing, and revising information. b. a debate involves the delivery of ideas before an audience. c. a debate involves

    asked by cristalL5
  68. Math

    Gershona is babysitting her brothers. To keep them occupied, she lets them put stickers into sticker books. Joshua puts 110 stickers on 22 pages. Mike puts 100 stickers on 25 pages. Select all statements that are true about these ratios. a) Mike's sticker

    asked by The Devil Cat
  69. Physics

    A bug sits on the edge of a disk as the disk rotates counterclockwise. Later, the bug starts to move in the direction of the disk's rotation. Does the disk's angular momentum increase, decrease, or stay the same?

    asked by Anonymous
  70. Science

    What happens to air and water during the steps of cloud formation?

    asked by anonymous
  71. Science

    What does H2O stand for in science

    asked by Daniel
  72. Science

    What causes seasons

    asked by Daniel
  73. Algebra

    Find 8 values of c that make the following expression factorable. x^2+3x+c. How did you know?

    asked by Jhon
  74. Math

    If 3tanA.tanA-4√3TanA+3=0

    asked by Abhijeet potdar
  75. Biology

    Question states a made up organism and want me to classify it by kingdom , phylum and genus am i supposed to "make up" the genus since they are not real animals. an animal example is this Butter-roaches: genetic engineering created these butterfly-like

    asked by samatha
  76. Science

    Distance 55 m time 10.30 am and distance 255 m time 10.32 am. Find the avg. Speed. Plz advice how total time is being calculated.

    asked by Deepak
  77. English

    True or false? There could be a noun a verb and an adjective in one sentence.

    asked by Akat
  78. Civics Economics

    1. Nixon's plan to achieve peace in Vietnam was called the "silent majority." a. True b. False (B) 2. Killings at Kent State and Jackson State Universities rallied the nation's support for the Vietnam War. a. True b. False (A) 3. One result of the Yom

    asked by cristaln
  79. Chemistry

    How is the GC/MS instrument used in the detection of drugs? (explaining all the scientific factors). I cannot seem to find much information on this so I would really appreciate it someone could provide me with a 2 or 3 paragraph explaining this concept in

    asked by Lisa Gionasa
  80. MATH!!!!

    Henry has 4 times as much money as David. David has 3 times as much money as Ryan. The total money of the three boys is $128. How much does Henry have?

    asked by Sparkle
  81. Math

    Sally has 1/3 as many stickers as Mary. Jane has 3/4 as many stickers as Sally. If the three girls have 114 stickers altogether, how much stickers does Jane have?

    asked by Sparkle
  82. chem

    If 63.5 moles of an ideal gas is at 4.03 atm at 51.80 °C, what is the volume of the gas?

    asked by rachel
  83. Chem

    If 2.41 moles of an ideal gas has a pressure of 4.65 atm, and a volume of 27.33 L, what is the temperature of the sample in degrees Celsius?

    asked by rachel
  84. MATH HELP!!!!!!

    What would a 20% tip be on a $32.10 bill at a restaurant? Show your work. Please help me with my homework.

    asked by coolgirl
  85. Chemistry

    In which of the following bonds does nitrogen carry a slightly negative charge? (8-) Select one: a. N-N b. N-C c. N-O d. N-F

    asked by Anonymous
  86. English / Grammar

    Asking for help in re-structuring and or grammar correct: W.E.B. Du Bois. Du Bois wrote this book in order to show readers the striving in the souls of black people. He wants readers to feel the hurt, accomplishments, and losses of blacks. “Will America

    asked by Tupac
  87. Chem

    If 86.5 mol of an ideal gas occupies 13.5 L at 79.00 °C, what is the pressure of the gas?

    asked by Rachel
  88. precalculus

    cotxsinx - cosx + cosx Does this equal cos x ? cos/sin * sin = cosx

    asked by Anonymous
  89. English grammar

    This is about a tag question. The question is : Either you or he has to go with me,_________? I have to chose the correct answer from the following : A)doesn't he B)do you C)isn't it D)is it

    asked by Doris
  90. Science

    Three isotopes of hydrogen

    asked by Ade ferrari
  91. Math

    Just to clarity to simplify (1+√3) / (1-√3) to multiple (1+√3) / (1+√3) OR (1-√3) / (1-√3) both seems to result the same answer, I'm not sure but people usually multiple by (1-√3) / (1-√3) ? Thanks

    asked by Anonymous
  92. fluid mechanics

    .75m pipe connects two reservoirs. water is pumped from the lower reservoir to a reservoir 42m higher using a 850 kw pump, ep=78%. If Head losses are 22m, define Q

    asked by aynon
  93. Chemistry

    How is the CG/MS instrument used in the detection of drugs? (explaining all the scientific factors). I cannot seem to find much information on this so I would really appreciate it someone could provide me with a 2 or 3 paragraph explaining this concept in

    asked by Lisa Gionasa
  94. MATH!

    Estimate 18% of 50. Show your work. Please help me.

    asked by coolgirl
  95. Pls sir Steve or Damon or rainy help me to learn

    1.for any 2 non-zero integers x and y there exist a unique integer q and r called the quotient and remainder respectively such that x=yq+r where

    asked by Matt/maths
  96. English

    1. I have 4 pets back home in America. -------------------------------------------------- What is the meaning of 'back' and 'home' here?

    asked by rfvv
  97. Science

    Hello. I am trying to figure out how to solve polygenic Punnett squares. In order to get extra credit on a test, I have to learn how to use them. I've tried looking at images and tutorials, but I'm still confused.

    asked by Mallory (6th Grade)
  98. algebra1

    Match each of the following with the equation written in Point-Slope form. y+5=3(x−3)

    asked by loin
  99. Physics

    A bug sits on the edge of a rotating disk. Later, the bug begins to move toward the center of the disk. Does the bug exert a torque on the disk?

    asked by Anonymous
  100. Social Studies

    Write a persuasive argument explaining why you think this innovation is the most important development of ancient China.

    asked by bigred
  101. A question for Ms. Sue

    What is your secret? (Why are you so smart?)

    asked by Bob Ross
  102. Chemistry

    If a balloon has the volume of 5.00 L at 25 C what is its volume when you put the balloon in a freezer at -12 C?

    asked by Anonymous