Questions Asked on
May 2, 2017

  1. Maths

    kuldeep had a sum of money. He saved 1/4 of it. He spent 4/9 of the remaining on suitcase. a) What fraction of his money sent on suitcase? b) What fraction of his money was left?

    asked by Annie
  2. science

    what type of reaction is this 2h2o2 (l) -> 2h2o(l)+ o2 (g) a.single replacement reaction. b.decomposition reaction. c.acid-base neutralization reaction. d.no reaction.

    asked by bri;)
  3. Math (Calculus) (Work)

    Six and one-half foot-pounds of work is required to compress a spring 4 inches from its natural length. Find the work required to compress the spring an additional one-half inch. (Round your answer to two decimal places.) This is what I did so far: 4 in =

    asked by Ray
  4. Calculus

    The base of a solid in the xy-plane is the first-quadrant region bounded y = x and y = x^2. Cross sections of the solid perpendicular to the x-axis are equilateral triangles. What is the volume, in cubic units, of the solid? So I got 1/30 because (integral

    asked by Ke$ha
  5. MMATH08

    IN PARALLELOGRAM ABCD, BISECTOR OF ANGLE A BISECTS BC,WILL BISECTOR OF ANGLE B BISECT AD,EXPLAIN HOW.

    asked by DIPI
  6. math

    Anita has a success rate of 80% on free throws in basketball. She wants to know the estimated probability that she can make exactly four of five free throws in her next game. How can she simulate this scenario? Categorize each simulation of this scenario

    asked by bri;)
  7. Science

    How many unit cells can be made out of an 18 carat pure 197 g sample of gold ?( FCC structure A = 197 u)?

    asked by Vaishali
  8. Calculus I

    A particle on the x-axis is moving to the right at 2 units per second. A second particle is moving down the y-axis at the rate of 3 units per second. At a certain instant the first particle is at the point (5,0) and the second is at the point (0,7). How

    asked by Becca
  9. Calculus

    Find the area of the region bounded by the curves of y=sin^-1(x/4), y=0, and x=4 obtained by integrating with respect to y. Your work must include the definite integral and the anti-derivative. I am really confused on this question. I graphed all of the

    asked by Dloc
  10. Chemistry

    Give the formal charge on the sulfur atom in a Lewis structure for the sulfate ion in which every atom satisfies the octet rule. Based off my lewis structure, I think the formal charge of the the sulfur atom would be +2. Is that correct?

    asked by Anonymous
  11. Math

    Sorry, this will be the last question I post! :) Based on the two-way frequency table, how many adults were surveyed? TypeOfcookie--adults-Children-Total- Chocolate chip| 5 |10 ? Peanut Butter |8 |6 ? Oatmeal | 7 |4 ?

    asked by Please, help me!!Again..
  12. Physics

    What is the normal pressure of the atmosphere at the summit of Mt. Everest, 8850m above sea level? (Assume g is constant and that the density of air, ρ, is proportional to the pressure, P, at any height. Use the values at sea level ρ0 = 1.29kg/m3 and P0

    asked by Saito
  13. Chemistry

    A DNA template having the base sequence A-G-A-T-G-A would produce a mRNA with a base sequence of ______. A) A-G-A-T-G-A B) U-C-U-A-C-U*** C) T-C-T-U-C-T D) T-C-T-A-C-A E) A-C-A-U-C-A

    asked by M, S, E,
  14. math

    How much money must Andrea invest for 2 years in an account that earns an annual simple interest rate of 8% if she wants to earn $500 from the investment?

    asked by josh
  15. social studies

    Explain why Lincoln’s assassination put the future of the nation in question.

    asked by kasey223
  16. ART

    Which object would be the best addition to a collection of writing instruments that are unique to the twentieth century? 1) a pencil 2)a computer 3)a crayon 4)a calligraphy pen I think#2 Thanks for your help

    asked by JAMIE
  17. maths

    A man 1.5m tall is 15m away from a bbuilding 24m high.what is the angle of elevation of the top of the building

    asked by dove
  18. Algebra2

    Find the values of the inverse function in radians. tan^-1(0.09) answer choices: a.-0.09+2pi n b. no such angle exists c.-1.48+ pi n d. -0.09+ pi n My answer is D

    asked by Steve
  19. MMATH08

    IN PARALLELOGRAM ABCD, ANGLE BISECTOR OF ANGLE A BISECTS BC. WILL ANGLE BISECTOR OF ANGLE B ALSO BISECT AD?

    asked by deevi
  20. ELA

    One would expect people who live in a Utopian society to be (1 point) a. wealthy b. difficult c. idealistic * d. impossible

    asked by Youdontneedtoknowmyname
  21. Somerset Academy

    80% of an airline's flights depart on-time and 20% do not. Of those that depart on-time, 95% arrive on-time. OF those that depart late, 10% arrive on-time. What is the chance of someone taking a flight that will arrive on-time?

    asked by Anonymous
  22. math

    A sixth-grade class has 20 total students, while the entire middle school has 1,000 students. A census is taken of the entire school’s population to see on which day of the week every student was born. Theoretically, 14.3%, or 1/7 of the students should

    asked by PLEASE HELP!!!
  23. Sociology

    1). Welfare Reform is said by politicians to be based on the idea that the federal government wanted to get out of the “helping people” business. True or false 2). Generally speaking, the best predictor of where a person will go in life and what their

    asked by Dom
  24. English

    the Phantom Tollbooth Act 11 when you contrast rhyme and reason you find that they feel differently about Milo's rescue attempt. Rhyme's attitude could best be described as sad doubtful optimistic confident

    asked by lol
  25. Math

    1.How many solutions does the system of equations have? y=6x+2 y=6x+4 a. one b. two c. infinite d. none 2. How many solutions does the system of equations have? y=1/2x-3 x-2y=6 a. one b. two c. infinitely many d. none 3. How many solutions does the system

    asked by Weirdo
  26. Math

    The endpoints of four line segments are given below. Which segment has the greatest length? A(2,2) and B(2,-4) D(-3,-1) and E(2,-1) M(-1,4) and N(-1,-2) P(-5,-3) and Q(2,-3)

    asked by Need Help Asap!!
  27. Sociology

    1). A major source of increasing economic inequality in the U.S. is the fact that: A) the U.S. is a racist society B) the overwhelming majority of new jobs have been in the lowest paying sectors C) Social Security payments are unable to keep up with

    asked by Dom
  28. Math

    I need help please. Laurie left home and ran to the lake at 10 mi/h. she ran back home at 8 mi/h. If the entire trip took 27 minutes, how far did she run in all?

    asked by Meg
  29. discrete math

    Q 7: What is the number of `Hello's printed by the pseudo code below? (for i from lo to hi exhaust i between lo and hi inclusive, and is a empty loop when lo is greater than hi) (b) for i from 1 to 10 for j from i to 10 for k from i to j print `Hello'

    asked by akash
  30. precalculus

    A Ferris wheel has a radius of 40 feet. The bottom of the Ferris wheel sits 0.5 feet above the ground. You board the Ferris wheel at the 6 o'clock position and rotate counter-clockwise. Define a function,f that gives your height above the ground (in feet)

    asked by tavia
  31. Algebra2

    Find the values of the inverse function in radians. 1. sin^-1(0.65)? answer choices: a. 0.71+2pi n and -0.71+2pi n b. 0.71+2pi n and -3.85+2pi n c. 0.86+2pi n and -0.86 +2pi n d. -0.61+2pi n and 2.54+2pi n My answer is B

    asked by Steve
  32. ap chemistry

    write a balanced equation if 18.0g go nitrogen gas reacts with excess oxygen gas at STP to form nitrogen dioxide gas

    asked by michelle e
  33. Math geometry

    Please help , I only need the second part of the question Betty picks 4 random marbles from a bag containing 3 white , 4 yellow and 5 blue marbles The probability that exactly 1 of the 4 marbles drawn is blue is (0.3535) . The probability that at least 1

    asked by Katy
  34. math

    A cable channel survey showed that about 50% of subscribers preferred watching a comedy to an action movie on Saturday nights. If you want to estimate the probability that exactly two of three randomly picked subscribers prefer watching an action movie on

    asked by Anonymous
  35. Maths

    Andrea has three candles. Explain how she can use the yellow candle to find out if the red candle is shorter or taller than the blue candle.

    asked by Tilda
  36. algebra

    A custom tshirt company charges a 200.00 set up fee and 5.00 per tshirt. Approximately how many tshirts must be produced so that the total cost per tshirt is 5.33?

    asked by susan
  37. ELA

    Mikes was running quickly. Mike won the race. Which sentence best combines the two sentences using a participal phrase? What is the infinitive phrase in this sentence? If you were to watch a new movie, which one would you choose? Her brother lives near the

    asked by EverestHanlon
  38. MATH HELP PLZ

    Use the table of simulated values to answer the question. The numbers 0 to 5 represent middle school students planning to participate in the charity walk, and 6 to 9 represent those who are not planning to participate. 7 1 0 7 8 8 8 5 3 0 3 0 0 5 7 3 8 5 4

    asked by bri;)
  39. Maths

    Sipho is 4 years older than his sister.Their combined age is 18.How old is sipho?

    asked by Matome
  40. Chemistry

    The complementary base sequence in the RNA bound to a DNA strand with the base sequence shown below would be ____________________. -C-C-G-A-T-T- A) -G-G-C-T-A-A- B) -A-A-U-C-G-G- C) -C-C-G-A-T-T- D) -G-G-C-U-A-A-

    asked by M, S, E,
  41. speeh

    Which of the following are examples of mnemonics? Select all that apply. a short rhyme repeating something several times an acronym memorable phrases NEXT QUESTION

    asked by lizbeth
  42. science chemical reactions

    which option shows a coefficient on the product side in this chemical equation? 3Fe +4H20 -->Fe30 +4H2 A. the 3 in Fe and 4 in H2O B.the 2 in H2O the 3 and 4 in Fe3o4 and the 2 in H2 C.the 4 in H2 D.the 3 in Fe and 4 in H2O and 4 in H2

    asked by bri;)
  43. math

    Mrs. Davis planted red flowers in 0.6 of her garden. She also planted yellow flowers in 0.4 of her garden. In 0.5 of the part with red flowers she also planted white flowers. What part of Mrs. Davis' garden has both red and white flowers?

    asked by Anonymous
  44. Math

    Suppose that In 2=a and In 11=b. Use properties of logarithms to write the logarithm in terms of a and b. In 3 square root 22.

    asked by Keyuna
  45. LA Help? (dragonwings)

    Which of the following words best describes the overall mood at the novel? A. cautions B. defeated C. exhausted D. hopeful

    asked by HALA
  46. Calculus

    Determine if the Mean Value Theorem for Integrals applies to the function f(x) = x^3 - 9x on the interval [-1, 1]. If so, find the x-coordinates of the point(s) guaranteed to exist by the theorem. I think one point is zero.

    asked by Ke$ha
  47. Early childhood education

    To be an effective worker in an inclusive early childhood classroom you

    asked by Linda
  48. Pre-Algebra

    A radio signal travels at 3.00*10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54*10^7?

    asked by Ava
  49. Calculus Please Check my answer

    Set up, but do not evaluate, the integral which gives the volume when the region bounded by the curves y = Ln(x), y = 1, and x = 1 is revolved around the line y = -1. ANSWER: v = ∫[1,e] π(4-(lnx+1)^2) dx

    asked by Dloc
  50. discrete math

    Q 8: Count the number of 01-strings with following constraints. (b) The length is 8. Number of 1s is 3 more than number of 0s. (c) The length is 9. Number of 1s is 3 more than number of 0s.

    asked by akash
  51. Interest

    How much should you invest at 3.4% simple interest in order to earn $50 interest in 13 months?

    asked by Bronte
  52. Calculus Please Check my answer

    An object has a constant acceleration of 30 ft/sec2, an initial velocity of −10 ft/sec, and an initial position of 4 ft. Find the position function, s(t), describing the motion of the object. s(t)=4-10t+15^2

    asked by Dloc
  53. Algebra

    The current in a stream moves at a speed of 8mph. A boat travels 13 mph up stream and 13 mph downstream with a total time of 3 hrs. What is the speed of the boat is still water?

    asked by Vicki
  54. 8th gr algebra

    There are 52 cards in a standard deck. if you draw a card, do not replace it, and then draw 4 more cards, one at a time without replacement, how many possible outcomes are there? I don't get it...Thank you

    asked by mark
  55. math

    On a map, 1 inch equals 20 miles. Two cities are 135 miles apart. What is the distance between the two cities on the map?

    asked by April
  56. Medical coding II

    A 66-year-old patient is seen as an outpatient in the community mental health center and participates in multiple-family group psychotherapy for 45 minutes. Diagnosis: Agoraphobia with panic attacks. List diagnosis and CPT codes

    asked by Shania
  57. MATH

    The Bishop's Peak 4-H club is having its annual fundraising dinner. Adults pay $25 apiece and children pay $10 apiece. If the number of adult tickets sold is twice the number of children's tickets sold, and the total income for the dinner is $1,800, how

    asked by JOSH
  58. math

    Lara arranged the books in her bookshelf by size she arranged 2/10 of the books were tall and 1/2 of the books were medium sized. if 12 of the books were small, how many total books did she arrange?

    asked by yayou
  59. Social Studies

    In what way did soviet rule fail to live up to communist theory? A) Control was held by the all people. B) Control was held by few people. C) Enough goods were made to sustain the country. D) People were happy with the change. My answer is D.

    asked by @AmeliaTheGamer
  60. Physics

    Suppose 11.0 g of ice at -10.0∘C is placed into 300.0 g of water in a 200.0-g copper calorimeter. The final temperature of the water and copper calorimeter is 18.0∘C. 1)What was the initial common temperature of the water and copper? (Express your

    asked by yo
  61. Psychology Stats and Research

    Although there is a popular belief that herbal remedies such as Ginkgo biloba and Ginseng may improve learning and memory in healthy adults, these effects are usually not supported by well-controlled research (Persson, Bringlov, Nilsson, and Nyberg, 2004).

    asked by Sasha
  62. English

    the story of disabled athletes who became well known

    asked by Anonymous
  63. Maths

    show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8x - 4y + 14 = 0 do not intersect. Please

    asked by Jeff
  64. LA

    What is the climax of Mieko and the fifth treasure.

    asked by Jay
  65. Social Studies

    Which country today has the largest muslim population. A. Iraq B. Indonesia C. Iran D. the United states

    asked by Anonymous
  66. Technology

    Why aren't links allowed on Jiskha? I tried to post a link like Ms. Sue sometimes will, but the website said I can't post links.

    asked by not+really
  67. Maths

    show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8y - 4y + 14x = 0 do not intersect

    asked by Joe
  68. Maths

    Given that the line y=mx+c is a tangent to the circle (x-a)^2+(y-b)^2 = r^2 show that: (1-m^2)r^2=(c-b+ma)^2

    asked by Joe
  69. Maths

    Given that the line y=mx+c is a tangent to the circle (x-a)^2+(y-b)^2 = r^2 show that: (1-m^2)r^2=(c-b+ma)^2 Please Help and sorry for the inconvenience

    asked by Jeff
  70. Algebra 2 help please.

    The function f(t)=2150⋅(1.04)t models the population of a town after t years. What does 2150 represent in this situation? The population increase in the town each year. The population of the town after 2 years.

    asked by Mickeeyyyy
  71. Algebra 2 help please.

    What is the length of the radius of a circle with a central angle of 255° that intercepts an arc with length 52 m? Use π=3.14 in your calculation. how would i solve this? please help!

    asked by Mickeyyyy
  72. maths

    show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8y - 4y +14x = 0 do not intersect

    asked by Anonymous
  73. math

    About 75% of the girls in grade 7 at Grande Rock Middle School prefer colored jeans to the regular blue ones. The randomly generated numbers in the table simulate this situation. The letter C represents colored jeans, and B represents blue jeans. CCCBC

    asked by bri;)
  74. Intermediate Maths

    What is the weight of 2.5 litres of petroleum which has a density of 0.64g/mL?

    asked by Edmonds
  75. Algebra check plz

    The shipping cost for an on-line company increases exponential based on the number of dollars the consumer has spent. It can be represented by the equation y = 0.003(2)x where x represents every $10 spent. Shipping charges will max out at $20. The company

    asked by Mickeeyyyy
  76. Math

    The shoe box has a base with an area of 147.2 cm2. What equation can be used to find the volume of the shoe box? The length is 18.4 cm, the height is 11 cm and the width is 8 cm.

    asked by Nicole
  77. Physics

    The density of the dead sea is 1240kg/m^-3. Calculate the depth at which the pressure would be 3 atm

    asked by Gunner76
  78. MATH

    Convert r^2=3/(tanx) into cartesian form. I got this so far: r^2=3/(tanx) x^2+y^2=3x/y What do I DO NEXT????

    asked by Anonymous
  79. Math

    Find the solutions of the equation. 2sinx+cosx=0

    asked by Lilliana
  80. Algebra 2 help please.

    Dewight needs to restrict the domain of the cosine function so that the inverse is a function. Which description best describes how she could restrict the domain? A) So that y = cos(x) is always decreasing B) So that y = cos(x) only has one maximum C) So

    asked by Mickeyyyy
  81. Algebra

    Explain how to use the measures of a right triangle to calculate the exact value of sin 30 degrees? How can this information be used to determine the exact value of sin 60 degrees?

    asked by Anonymous
  82. discrete math

    Q 3: There are n identical balls and m different bins. Let Bn,m be the total number of way to put n balls in m bins. (a) What are B1,1, B2,1, B1,2, B2,2, B3,2? (b) Express Bn,m in terms of Bk;m-1, for k = 0,….. n.

    asked by akash
  83. discrete math

    Q6:What if the bookshelf is circular, that means you cannot choose the first and last books simultaneously? Count the number of ways to choose 6 books out of 20 books on a circular bookshelf such that no two adjacent books are selected.

    asked by akash
  84. discrete math

    Q 7: What is the number of `Hello's printed by the pseudo code below? (for i from lo to hi exhaust i between lo and hi inclusive, and is a empty loop when lo is greater than hi) (b) for i from 1 to 10 for j from i to 10 for k from i to j print `Hello'

    asked by akash
  85. discrete math

    Q 8: Count the number of 01-strings with following constraints. (c) The length is 9. Number of 1s is 3 more than number of 0s.

    asked by akash
  86. math

    Yuri surveyed randomly selected middle school students in his neighborhood. He found that around 60% of them plan to participate in a charity walk organized by the town council. What is the estimated probability that it will take at least six middle school

    asked by bri;)
  87. science

    If all of the prairie dogs were removed, how do you think the prairie ecosystem would be affected?

    asked by help me
  88. English

    In my exam you're not allowed to copy sentences instead u have to use it in your own words So how could i use this sentence in my own words 'it was getting dark...'

    asked by Help
  89. algbra

    Solve the inequality −4y + 6 < −14. A. y > 2 B. y ≤ 5 C. y > 5 D. y < 5

    asked by Anonymous
  90. Math (written answer)

    IDK HOW TO SOLVE THIS WRITTEN ANSWER PROBLEM, PLEASE HELP! write an inequality to represent a situation the temperature stayed above -15 degrees

    asked by Tana
  91. TRIG

    The length of a rectangle is 142.9 in. If the diagonal makes an angle of 32.1o with this side, find the measure of the diagonal of the rectangle rounded to the nearest tenth of an inch. let x represent the diagonal.

    asked by Tony
  92. Maths

    A quarter of Nibha's marbles are blue.If she has 12 marbles,how many marbles does she have altogether?

    asked by Matome
  93. Maths

    show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8y - 4y + 14 = 0 do not intersect

    asked by Anonymous
  94. Number problems

    It is a number less than 50 it's a 2 didit number 3 is a factor of the number the sum of its digits is one third of the number

    asked by Charlie
  95. Math

    Algebra 1 Simplify the radical _____ 5_/700 I'm confused on what to do with the 5...

    asked by Anonymous
  96. maths

    If the radius of a sphere is increasing at a constant rate of 4 cm/sec, then the volume is increasing at a rate of ???? cm^3/sec when the radius is 5 cm.

    asked by NIKKI
  97. Maths

    Given that the line y=mx+c is a tangent to the circle (x-a)^2+(y-b)^2 = r^2 show that: (1-m^2)r^2=(c-b+ma)^2

    asked by Anonymous
  98. math

    If the radius of a sphere is increasing at a constant rate of 4 cm/sec, then the volume is increasing at a rate of ???? cm^3/sec when the radius is 5 cm.

    asked by NIKKI
  99. Math

    In a pen the farmer counts 20 pigs and geese for a total of 70 legs. How many animals are there for each kind?

    asked by Brianna
  100. math

    A photograph shows 6 foot tall Mr. Jackson standing next to a building. in the photo Mr .Jackson is 2.5 centimeters tall and the building is 10 centimeters tall. what is the actual height of the building

    asked by jack
  101. Math

    00 students were surveyed about their favorite sport. The results are shown in the circle graph below. How many students chose basketball as their favorite sport? Basket Ball: 22% Volley Ball: 18% soccer:29% Badminton: 13% Tennis: 18% A:220 B:130 C:500

    asked by Please, help me!!
  102. integrated science

    what is soil profile?

    asked by pooja
  103. trig

    An airplane has an airspeed of 450 kilometers per hour bearing Upper N45E. The wind velocity is 60 kilometers per hour in the direction Upper N30W. Find the resultant vector representing the path of the plane relative to the ground. What is the ground

    asked by Ashley
  104. 7th grade math

    How much wood is needed to completely cover a 4 ft wide ramp that starts 8 ft from a 6 ft tall platform? The ramp will run 10 ft on the incline.d/6 8/10 10f/48=12 ft???

    asked by marilyn
  105. Math, Algebra

    A square and rectangle have the same area. The length of the rectangle is five inches more than twice the length of the side of the square. The width of the rectangle is 6 inches less than the side of the square. Find the length of the side of the square.

    asked by Liz
  106. Social studies

    Important animal reasource of great plain Indians

    asked by Jack
  107. Maths

    show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8x - 4y + 14x = 0 do not intersect. Apologies on behalf of my friend

    asked by Matt
  108. math

    how many layers of cubes are in 48 cubes

    asked by vannah
  109. PHYSICS

    A rope is stretched between 2 walls and the ends are fixed in position. The linear mass density of the rope is 0.6 kg m. the tension in the rope is 240 N.? the image can be google on socratic. just copy paste the question.

    asked by HELP
  110. Beethoven First sonata Op 2 no 1

    I'm have some trouble with the rhythm at the .part marked con espressione. It starts with the grace note going to D and B ,any tips please.

    asked by MasterPiano
  111. MATH HELP!!

    A quilt desighn uses parallogram - shaped pieces that have base measure of 6 inches and a height of 8 inches. if 15 pieces are used in the quilt, what is the total area of the parllogram - shaped pieces in the quilt? A. 150in B. 360in C. 720in D. 1,440in

    asked by Lilitwan Doesn't Understand
  112. sociall studiesss

    Evaluate the pros and cons of the great society. did the program achieve its goals? Can somebody help me!!!!

    asked by help :0
  113. Algebra 1

    The growth of Trevor's lawn can be modeled by the equation y = .4x + 7, where the y is the height of the grass in centimeters, and x is the number of days since the lawn was last mowed. what is the meaning of the y-intercept of this equation? a) Trevor

    asked by Samantha
  114. Science

    How many grams of Sodium chloride are in 53.2 g of solution that is 0.50% by mass sodium chloride?

    asked by Josh
  115. math

    if number of boys in a class is 1/5th more than the number of girls, strength of class?

    asked by shalu
  116. Maths

    show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8x - 4y + 14x = 0 do not intersect.

    asked by John
  117. math

    consider the functions f(x)=2x-8 and g(x)=x/2+4 (a) Find f(g(x)). (b) Find g(f(x)). (c) Determine whether the functions f and g are inverses of each other (a) What is f(g(x))? Simplify your answer

    asked by candice
  118. english 4

    what is Austen's tone in "On a Marriage Proposal"? I think its unambiguous and comforting. Would those work?

    asked by caleb
  119. geography

    find the longitude of a town Y whose time is 8am when the time in another town X is 30 degress eastis 2pm the same day

    asked by mercy
  120. science

    A cannon on wheels (mass = 300 kg) shoots Bo Bo the clown (mass = 60 kg) over the big top. If Bo Bo's speed out of the cannon is 22 m/s, with what speed will the cannon recoil?

    asked by Maeghan
  121. chemistry

    What is the molality of a solution consisting of 34.0 mL of benzene (C6H6; d = 0.877 g/mL) in 187 mL of hexane (C6H14 ; d = 0.660 g/mL)?

    asked by prince flahn
  122. math

    A can do a piece of work in 12 days whereas B can destroy the work in 3 days. A does the work for 10 days and then B destroys the work up to 2 days. In how many days will the work be finished? (explaination please)

    asked by shalu
  123. math power series(please helpassessment tomorrow)

    The exponential function can be represented as an infinity power series as follows. e^x=1 + x/1! + x^2/2! + x^3/3!+⋯,-∞

    asked by bryan
  124. math series2(please helpassessment tomorrow)

    The second moment of area of a rectangle through its centroid is given by: bL3/12 Using the approximation for binomial series valid for small x (+ve or –ve): (1+x)^n=1+nx/1!+(n(n-1) x^2)/2!+⋯ 1+nx Determine the approximate change in the second moment

    asked by bryan
  125. stats homework

    A scratch card cost €5 and has two possible prizes. There is a 10% chance you get €5 back and a 1% chance you get €100. in all other cases, you get nothing. what are the expectation and standard deviation?

    asked by john
  126. math help pleaseee

    One of the zeros of the function f(x)=x^3-28x-48 is x=-4. Factor the function. Show your work. How do I solve this?? Please help??

    asked by meme
  127. 7th grade math

    A banker is attempting to construct the world's largest cake. The cake is 12 meters square and 4 meters tall. How much surface area will the cake need to be iced (including botto

    asked by marilyn
  128. chemistry

    Calculate the mass of marble chips that produce 20 grams of carbon (iv) oxide .when reacted with dilute hydrochloric acid (c=12,O=16,Ca=40)

    asked by Victor
  129. Ninth Grade Essay Writing

    I'm looking for someone to proofread my essay and tell me what needs improvement.

    asked by Ashton
  130. math

    A can do a piece of work in 12 days whereas B can destroy the work in 3 days. A does the work for 10 days and then B destroys the work up to 2 days. In how many days will the work be finished?

    asked by mini
  131. math

    15_2m and 12_3 5. 11m wide

    asked by Boby
  132. Math

    Ok, i've got most of it done. But i'm stumped as of right now. Question: 1(0? idk..) ft ? in. = 30 in. Seriously stumped.

    asked by Delilah
  133. History

    Examine the achievements and failures of the revolutionary governments between 1789 and 1799

    asked by Delia Chigwende
  134. physical science

    Which description does the phrase "mechanical advantage" most closely relate to? A. The same amount of work using less force. B. The same amount of power using less work. C. The same amount of work using less power. D. The same amount of power using less

    asked by j
  135. Language Arts

    You meet Tock and Hambug in Act I of The Phantom Tollbooth. In Act II, you see them in action and hear more of what they have to say. How are the two characters alike? How are the two characters different? What do they do to help Milo? tell two ways for

    asked by Help please!!!!
  136. English

    Is his wife good looking? Does it make sense

    asked by m
  137. English

    Choose the meaning of "carvorted" in the sentence. The children carvorted about when the teacher played their favorite music. 1)mingled 2)frolicked 3)tumbled 4)waved my answer is #2....thanks for your help.

    asked by JAMIE
  138. Math

    A recipe call for 2 2/4 cup of raisins,but Julie only has a1/4-cup measuring cup. How many 1/4 cup does Julie need to measure out of 2 2/4 cup of raisins

    asked by Abdulla
  139. Algebra

    The length of the base of a box is 5 inches more than its width (w). The height of the box is 2 inches more than its width. Write an expression that represents the volume of the box.

    asked by John Deer
  140. math

    Juan is cutting lumber into one half foot lenths.How many one half foot lengths will he get from an 8 foot long piece of lumber?

    asked by Jack
  141. social studies

    Agricultural activities in the Pampas most supports? 1) cacao farming 2) coffee farming 3) silver mining 4) cattle ranching I think #4 Thanks

    asked by JAMIE
  142. history

    (south Carolina) 1. a two-thirds vote of both houses will pass a bill over the governor's veto. True** false 2. if the house make changes, the bill goes back to the original house for a vote. true false**

    asked by mehhhhhh202
  143. alalgebra 8th grade check my work

    At an amusement park, Tami chooses one each from the following options: 3 movies, 20 rides, 6 snack shops. Find the number of possible outcomes. Is it 3 x 20 x 6 = 360 possible outcomes? thanks!!!!!

    asked by mark
  144. Algebra II

    I need to find the intercepts for: f(x)=e^(x^2-9x+20)-1

    asked by Keith
  145. discrete math

    Q 3: There are n identical balls and m different bins. Let Bn,m be the total number of way to put n balls in m bins. (a) What are B1,1, B2,1, B1,2, B2,2, B3,2? (b) Express Bn,m in terms of Bk;m-1, for k = 0,….. n.

    asked by akash
  146. VSU

    Am influenza epidemic hits. large city and spreads at the rate of 12e^0.2t new cases per day, where t is the number of days since the epidemic began. The epidemic began 4 cases. find the number of cases during the first 30 days.

    asked by Amber
  147. discrete math

    Q6:What if the bookshelf is circular, that means you cannot choose the first and last books simultaneously? Count the number of ways to choose 6 books out of 20 books on a circular bookshelf such that no two adjacent books are selected.

    asked by akash