Questions Asked on
February 24, 2017

  1. Algebra

    Factor the Following; are any of them prime? 2x^2-5x+2 18x^3+32x x^2+8x+40 2x^3-2x

    asked by Anonymously Anonymous
  2. K

    Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = 3e^(-x), y = 3, x = 2; about y = 6

    asked by Gagan
  3. cal

    Consider the following. (a) Set up an integral for the volume a solid torus (the donut-shaped solid shown in the figure) with radii br and aR. (Let a = 8 and b = 2.) dy (b) By interpreting the integral as an area, find the volume V of the torus. V =

    asked by Gagan
  4. Pre Calculus 30

    1.How many positive four-digit integers can be formed that are even?9x9x9x5=3645 2.Three differently colored six-sided dice are rolled. In how many different ways can the dice turn up? 6x6x6=216 3.How many positive integers five-digit integers start with

    asked by John
  5. math

    (0,0) and (1,-1) from coordinate geometry

    asked by faizaan khan
  6. engineering mathematics

    A cyclist of mass 60kg rides a bicycle of mass 20kg. When starting off, the cyclist provides a force of 200N. What is his acceleration?

    asked by Elvis
  7. engineering mathematics

    A car of mass 500kg is travelling along a flat road. its engine provides a forward force of 300N. Air resistance is 200N. What will its acceleration be?

    asked by Elvis
  8. engineering mathematics

    Write down 4 equations of horizontal linear motion and quantify them

    asked by Elvis
  9. engineering mathematics

    A car is travelling along the road at 8m/s. It accelerates at 1m/s/s for a distance of 18meters. How fast is it then travelling

    asked by Elvis
  10. Maths

    A shop keeper gives an offer 'buy one get one free'on the suits marked at Rs.630 each and still makes a profit if 20%. Find the C.P of each suit

    asked by Rajan
  11. physics

    Consider a balloon of mass 0.030 kg being inflated with a gas of density 0.54 kgm-3. What will be the volume of the balloon when it just begins to rise in air of density 1.29 kg m-3? [g = 10 ms-2]

    asked by Divine
  12. micro

    Prove the profit maximazation of the consumer accurding tocardinalist using mathimatical deravation

    asked by mekonen
  13. science

    an electron is projected horizontally at a speed of 3x10^6 m/s into a uniform electric field 200 N/C produced by two charged plates of width 0.1m (a) find the a cceleration of the electron in the elec field.(b) finn the time takes to travel through the

    asked by rahidul
  14. physics

    An electron is projected horizontally at a speed of 3x10^6 m/s into a uniform electric field 200 N/C produced by two charged plates of width 0.1m (a) find the a cceleration of the electron in the elec field.(b) finn the time takes to travel through the

    asked by rahidul
  15. maths(rational numbers)

    James uses 1/3 of his land for growing durians, 1/4 for guavas, 3/8 for bananas and 9 hectares for mangoes. what is the total area?

    asked by lili
  16. Math

    Given: f(x) = 8 - 4x A. Find f(-2) B. Find x, when f(x) = 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0. Show details on the graph. F. Use the graph to find f(x) when x = 3. Show details

    asked by Anonymous
  17. math

    A square tile is having side of length 15cm.how many such tiles would be required to cover the square floor of abathroom of side 3m.

    asked by perimeter
  18. chemistry

    A 75.0g sample of liquid contains 17.5% by mass of H3PO4 (molar mass = 98.0g/mol). If 215.0mL of Ba(OH)2 is needed to completely neutralize the acid, determine the concentration of the Ba(OH)2 solution used

    asked by ram
  19. Math

    When 8 is divided to a certain number and the result is divided by 6 the ans is less than 1quarter. Find the range of the number

    asked by Ib
  20. Math

    how many term are in the sequence of multiples of 7 between 100 and 900

    asked by Doi
  21. Math

    complete the equation. -6x^2+15x-6=-(2x-1)(x+__) a. 2 b. -2 c. -3 d. 6 I'm really lost and i dont understand how to solve this problem. any help would be appreciated.

    asked by someone
  22. math

    2. What is the distance between points A(5, 7) and B(8, 3)?

    asked by Jakis
  23. Social studies

    Which of the following statements best explains the scandals associated with the Harding administration? 1/ Harding took bribes to place his friend in his cabinet. 2/Harding's cabinet used their appointment as a rich any way they could. 3/Harding was

    asked by Dream
  24. PE

    Kobe Bryant is a very famous basketball player who helped his team win many national champion ships. When people use him to advertise their line of athletic wear, what type of advertising are they using? Band wagon emotional appeal price appeal testimonial

    asked by Kat
  25. Mat8

    Find the number of bricks contained in a wall of dimension 20 metre×15metre×10 metre and dimension of brick is 10 centimetre×5 centimetre×5 centimetre

    asked by Aryan Aditya
  26. math

    what is 2.4 times 10 to the 32nd power in standard form

    asked by A person
  27. math

    the sex of to domain species is unknown but they each have a probability of X and -5 what does x equal and what is the domain species? Please someone help me don't give me the answer just please explain the process of this to me i have no clue where to

    asked by carry on
  28. math

    12 years old Manik is three times as old as his brother Rahul.how old will manik be when he is twice as old as Rahul?

    asked by Krishanu mahapatra
  29. Math Word Problem

    67% or 603 employees in a company are female. How many are male?

    asked by Steve
  30. chemistry, science

    how many moles of he atoms are there in 0.02g of he?

    asked by anonymous
  31. math

    which figure has the same area as the parallelogram shown below? A.a triangle with a base 4 mm and a height of 20 mm B.a trapezoid with the base of 15 mm and 25 mm and a height of 2 mm C.a trapezoid with bases of 6 mm and 14 mm and a height of 8 mm D.a

    asked by help math
  32. math

    what is 13 times 159

    asked by daveyun
  33. Math

    what is the supplement of the complement of an angle measuring 52 degrees? i dont fully understand this question or how to do the math on it.

    asked by Help please
  34. American History

    Did the concept of race exist since the beginning of time?

    asked by Anonymous
  35. math

    IT division budget for the current year is $300,000. they already spent 10% of the budget on equipment, 66% on salaries, 8% on training and 31/2% on supplies. How much money does division have left in its budget for the remainder of the year?

    asked by John
  36. Math- Outcomes and Probability

    Can someone please explain to me how to solve this question? If no digit can be used more than once, how many 5-digit numbers can be formed using the numbers 3,8,1,2,5, and 7? I have no clue how to solve this problem, the wording always tricks me. Answer

    asked by Cassandra Raven Moonstone
  37. Government

    What does secretary of veteran affairs do? What exactly is their job?

    asked by Ashlin
  38. Physics

    The lecturer with a monotone voice of 440 Hz and you are both 2m away from the long, smooth and tall wall.You will hear sound that comes directly to you from the lecturer along with sound that comes back from the wall on it’s way to reaching you.You need

    asked by josh
  39. BIO HELP!!!!

    what type of evidence might paleontologist find that would allow them to see the big picture of a species evolutionary past?

    asked by Sydney
  40. Mathematics

    The area of trapezium. If the parallel side of trapezium are 9.5cm and 12.5cm and the altitude is 11cm find the length of the side of the square

    asked by Vanshika
  41. math

    -3x 2 = 1/4 (2 raised to the power -3x = 1/4)

    asked by Anonymous
  42. Math

    2. The sum of the reciprocals of two consecutive positive integers is 17/72. Write an equation that can be used to find the two integers. What are the integers? Steve helped me yesterday and gave me the hint 8+9=17. Then I thought about it and saw 8*9=72,

    asked by Olivia N J
  43. Math

    Katy picked 135 berries in 15 minutes. If she keeps at this rate how many will she have picked in 25 minutes?

    asked by Landon
  44. Science

    Which of these is found inside the solar system? A) Moon B) Nebula C) Galaxy D) Black hole

    asked by JT
  45. Psych

    In a study, Amanda examined the number of proofreading errors made when students are tested while reading in a cold room or a warm room. What is the independent variable of the study? What is the dependent variable of the study? Which is the experimental

    asked by Dee
  46. Social Studies

    I am remember you guys helped me out with this question, I think the answer is D, am I correct? In what way did the purchase of Alaska fit with Secretary of State William Seward’s foreign policy toward Asia? A. Seward thought the purchase of Alaska could

    asked by JamesSk8
  47. social studies

    why did the location of the arkansas post change several times during the early days of settlemen? A. some locations experienced flooding B. settlers searched for better farmland C. the spanish took control and moved the location south D. settlers feared

    asked by Delilha
  48. physics

    A ball is fired at a speed of 8 m/s at 20˚ above the horizontal from the top of a 5 m high wall. How far from the base of the ball will the ball hit the ground? Also calculate the angle below horizontal the velocity vector makes.

    asked by yara
  49. English

    The title “Another Evening at the Club” is close in meaning to “Just Another Evening at the Club.” Given the events of the story, what is the significance of this meaning?

    asked by Anonymous
  50. english help asap

    Senator Warren states that women are "ready to fight back" against unequal pay. Is this a valid argument supported by accurate evidence? A.No; Warren weakens her point by noting that "Today, more young women go to college than men." B.Yes; Warren supports

    asked by lily
  51. Physics

    A 100 gram mass of metal at 106°C is placed in 100 grams of cool water at 22°C. The final temperature of the mixture is 25°C. What is the specific heat capacity of the metal?

    asked by Kat
  52. Physics

    A 200 gram sample of hot water at 89°C is mixed with 200 grams of cool water at 16°C. Assume there is no loss of heat energy to the surroundings, what is the final temperature of the mixture when they reach thermal equilibrium?

    asked by Kat
  53. Phyiscs

    Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wagon. The first child exerts a force of 70.0 N, the second exerts a force of 92.0 N, friction is 19.0 N, and the mass of the third child plus wagon is 23.0

    asked by Haya
  54. Math

    3. All faces of a table top with the given dimensions (width:20, length:22, height:1)are going to be painted. Which of the following is the surface area of the table top? A. 440 B. 524 C. 880 D. 964 my answer 4. How much less surface area of the table will

    asked by Marvel
  55. Calculus II

    If {an} (a sequence) is decreasing and an > 0 for all n, then {an} is convergent. True/False?

    asked by Ian
  56. Math

    Ed’s rental charges a flat fee of $5 plus $2 per hour to rent a pair of skates. A. Write an equation to model the cost of renting skates, y, for x hours. B. Graph the equation. Label the y-intercept. C. Use the graph to find the cost for renting the

    asked by Anonymous
  57. social studies.

    throught the louisiana purchase land survey the land between which two rivers was designanted for veterns of the war of 1812.Select all that apply A.1 B.2 C.3 D.4

    asked by Delilha
  58. English

    From the poem On the Pulse of Morning say's: "Do not be wedded forever To fear, yoked eternally To brutishness." I understand "Do not be wedded forever To fear" or in other words don't let fear get to you but what about "yoked eternally To brutishness"

    asked by Acasia
  59. Math

    1. Find all complex numbers z such that |z-1|=|z+3|=|z-i|, if i is the square root of -1. I got to the part where you graph the equations, but got stuck. 2. Find all cube roots of 8i. I know there are 3 answers, but I am stuck.

    asked by Elodea
  60. ELA AND HELP!!!!!!

    Which word should be capitalized in the sentence below? Will your wife be joining us on the tour of the district courthouse, judge? A) judge B) wife C) district D) courthouse I think the answer is d.

    asked by JT
  61. Calculus

    Find the derivative of the integral from x to 6 of ln(1 + t^2). My answer is -ln(1+x^2).

    asked by Anonymous
  62. Chemistry

    A compressed gas in a cylinder contains 1000.0 g of argon gas. The pressure inside the cylinder is 2050 psi at 18 degrees Celcius. How much gas remains if the pressure is decreased to 650. psi at a temperature of 26 degrees Celcius?

    asked by Chloe
  63. Math

    Given: f(x) = 8 - 4x A. Find f(-2) B. Find x, when f(x) = 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0. Show details on the graph. F. Use the graph to find f(x) when x = 3. Show details

    asked by Anonymous
  64. Calculus

    Find the derivative of the integral from x^3 to 5 of cosk/(k^2+2). My answer is ((-cos(x^3)(3x^2))/(x^6+2).

    asked by Anonymous
  65. Chemistry

    Consider a 1.0 L container of Neon gas at STP. Will the average kinetic energy, average velocity,and frequency of the collisions of gas molecules with the walls of the container increase, decrease, or remain the same under each of the following conditions?

    asked by Elizabeth
  66. science

    1. Which is not a characteristic of the group 1 alkali metals? A. High densities B. Low melting points C. Found in batteries D. Silvery solid 2. which of the following is true of the group 2 alkali earth metals A. they are less dense that the group 1

    asked by Help me
  67. English

    On the Pulse of Morning say's: "No less to Midas than the mendicant. No less to you now than the mastodon then." I don't get this what is this part referring to or saying?

    asked by Acasia
  68. Chemistry

    A hydrogen atom in one of its excited states ha an energy of -1.5129^20 J. What is the frequency of radiation is emitted when the atom relaxes down to its ground state?

    asked by Kara
  69. Chemistry

    Calculate the energy needed to ionize an electron of H atoms from its second excited state.

    asked by Lala
  70. Chemistry

    High-pressure sodium vapor lamps are used in street lighting. The two brightest lines in the sodium spectrum are at 589.00 and 589.59 nm. What is the diffrence in energy per photon of the radiations corresponding to these two lines?

    asked by Anonymous
  71. US history 8th

    what is the grandfather clause?

    asked by kat
  72. biology lab

    how many grams of mercury II Nitrate will you need to prepare 500mL of a .60 M solution ?

    asked by nicole
  73. biology lab

    26.2g of sodium chloride(NaCL) are dissolved in enough water to make 100mL of solution. What is the molarity of this solution?

    asked by nicole
  74. 8th Social studies

    Explain why Lincolns assassination put the future of the nation in question?

    asked by kat
  75. Algebra

    What is the solution and magnitude of the following problem: (x^4)-1=0 (x^3)+1=0 (x^3)-1=0 (x^6)-1=0 (x^6)+1=0

    asked by Anonymous
  76. Chemistry

    How many grams of a solid mixture containing strontium chloride would one need to make 558 mL of a 0.100 M strontium chloride solution, if the solid mixture contains 58.6% strontium chloride by weight

    asked by Anonymous
  77. Chemistry

    sulfuric acid can be prepared by a multistep process summarized as: 2 SO2 + O2 + 2 H2O--> 2 H2SO4 What mass of sulfuric acid could be produced daily by a process using 38 kg per day of sulfuric dioxide with a 70% conversion efficiency ("yield"), assuming

    asked by Anonymous
  78. math 4th grade

    At the end of their study of the kinds of electricity, mrs.clark class compleated quiz, there were 26 students , 6 of them scored 100, 4 scored 90, 3 scored 80 and rest of them 80. What was the average quiz score for the quiz Can anybody please explain

    asked by Kk
  79. science

    According to the periodic table, all of the following are metals except ? A) Sodium (Na) B) Zinc (Zn) C) Fluorine (F) D) Calcium (Ca)

    asked by Help please
  80. statistics

    If it is discovered that 65 out of 12,800 records are misfiled, what is the filing accuracy rate?

    asked by Deitra
  81. MATHS

    Q) Find the coordinates of the centre of a circle that passes through points (7,2), (2,3), and (-4,-1)

    asked by OWNF
  82. American Government

    Any ideas or websites on the differences between Oregon's Constitution and the U.S. Constitution?

    asked by Rox
  83. english

    which set of words, below could be used to describe the disperal of seeds to a new region 1.wings, legs, migration 2.invasive, exotic, continental drift 3.biogeography, adaptation, survival, 4.wind, water, animal feces and if you know the rest can you help

    asked by josh
  84. psych

    Sales of !@#$%^&ography and the presence of churches in the area appear to be correlated. It may be the case that neither causes the other. Perhaps a separate factor, such as population density, accounts best for both aggression and ice cream sales. This

    asked by o
  85. algebra, please help

    A cash register contains only five dollar and ten dollar bills. It contains 25 more five dollar bills than ten dollar bills, and the total amount of money in the cash register is $560. How many of each bill is in the cash register?

    asked by Carlos
  86. Math

    Janet Foster bought a computer and printer at Computerland. The printer had a $620 list price with a $100 trade discount and 2/10, n/30 terms. The computer had a $2,200 list price with a 25% trade discount but no cash discount. On the computer,

    asked by Anonymous
  87. Algebra II

    Let f(x) = 2x + 2. Solve f−1(x) when x = 4. I think it is 1

    asked by Daven
  88. Chemistry

    Hydrogen iodide decomposition via a second-order process to produce hydrogen and iodine according to the following chemical equation: 2 HI(g) -> H2 (g) + I2 (g) If it takes 489 seconds for the initial concentration of HI to decrease from 0.0693 M to 0.0174

    asked by Lynn
  89. math need help now

    which 2 figures will always be similar 2 each other? A.2 rectangles B. 2 trapezoids C.2 equilateral triangles D.2 hexagons

    asked by abbie
  90. Maths

    Find the value of b if the lines 2x - y +1 =0 and bx -7y +5 = 0 make an angle of 45° at their intersection.

    asked by OWNF
  91. Algebra 2

    For the functions f(x) = 2x + 3 and g(x) = 6x + 2, which composition produces the greatest output? a- niether b- both c- f(g(x)) d- g(f(x)) I think it is d

    asked by Daven
  92. MaTHS

    Prove that if two lines with gradients m1 and m2 meet at an angle of 45°, then m1xm2 = m1-m2-1 or m1xm2 = m2-m1-1 Please help!! Ty xoxoxox

    asked by Samantha
  93. physics help please

    The lecturer with a monotone voice of 440 Hz and you are both 2m away from the long, smooth and tall wall. You will hear sound that comes directly to you from the lecturer along with sound that comes back from the wall on it’s way to reaching you. You

    asked by nina
  94. Algebra

    Two hikers are 22 miles apart and walking toward each other. They meet in 5 hours. Find the rate of each hiker if one hiker walks 2.2 mph faster than the other.

    asked by Pat
  95. statistics

    professor rolls two balanced dice. Both fall to the floor and roll under his desk. A student in the first row informs the professor that he can see both dice. He reports that at least one of them shows a “five”. What is the probability that the other

    asked by Samantha
  96. stats

    a statistics professor rolls two balanced dice. Both fall to the floor and roll under his desk. A student in the first row informs the professor that he can see both dice. He reports that at least one of them shows a “five”. What is the probability

    asked by Samantha
  97. help with physics

    Excited by the in class experiments you put two speakers in your living room 80cm apart producing a sound of 750Hz. 4.0 m away you place a microphone right on the centerline between the speakers. Will the microphone detect a loud sound or a soft on at this

    asked by nina
  98. Math

    Predict how many times you will roll a number less than 5 if you roll a standard number cube 250 times.

    asked by Sofia
  99. Biomechanics

    A runner does 1.5 laps around a 400-­‐m track in 77s. What is his average velocity? isn't the formulas for ave velocity is displacement/time. When I plug number is different from the Professor Answers. My professor answer is 2.6 m/s. Please help me to

    asked by Anna
  100. math

    Picture Frame Dimensions. The rectangular frame on a picture is 8 in. by 10 in. outside and is of uniform width. What is the width of the frame if 48of the picture shows?

    asked by Riverrain5
  101. math

    A bag is filled with green and blue marbles. There are 101 marbles in the bag. If there are 25 more green marbles than blue marbles, find the number of green marbles and the number of blue marbles in the bag.

    asked by zack
  102. Math

    A floor 9 metre long as 6 metre wide. a square carpet on side 4 metre is laid on the floor.Find the area of the floor that is not carpeted.

    asked by Utkarsh yadav