1. Early Childhood

    Small group discussions with preschoolers enables them to: A. find out if they are superior. B. learn to argue. C. outsmart the others and gain teacher attention. D. compare their ideas with peer ideas.

    asked by cynthia on February 19, 2015
  2. math

    A diagram shows a straight line graph of In y against x,passing through the point (0,2) and having gradient -3/2 . The variables x and y are connected by the equation y=pq^x ,where p and q are constants Find (i)the value of p and of q ,to one decimal place

    asked by Claudia on August 8, 2013
  3. Calculus

    Given the function 6x+3y=18, find the area under the curve from x=0 to x=3 using 3 strips of equal length using the right end points. I was working on this and so I made the equation equal to Y=mx+b form so it ends up being Y=-2x+6, and now I am completely

    asked by Maya on June 17, 2016
  4. pre calculus

    Forces with magnitudes of 250 pounds and 130pounds act on an object at angles 45degrees and -60degrees respectively with the positive axis. Find the direction and magnitude of the resultant of these forces.

    asked by Anonymous on November 26, 2016
  5. precalculus

    Is this correct if not could you explain how to make it correct? find (a)2v+u, (b)u-3v), and (c)5u-v. u=i-j v=6i+9i a. 2v+u u=i-j, v=6i+9i =(12i+18j) + (i-j) =13i+ 17j b. u-3v (i-j)-(18i+27i) -17i - -26j c. 5u-v (5i-5j)-(30i+54j) -25i - -59j

    asked by Alice on November 26, 2016
  6. calculus

    Marine ecologists estimate the reproduction curve for swordfish in a fishing ground to be f(p) = −0.01p^2 + 8p, where p and f(p) are in hundreds. Find the population that gives the maximum sustainable yield, and the size of the yield.

    asked by aj on March 4, 2018
  7. persuasive speaking

    i am struggling with the need, plan advantage format for public speaking. i've already consulted my textbook and notes, i still am not understanding the material. is there any websites i can consult to find this format/an explanation? i tried googling it

    asked by Kinley on June 15, 2009
  8. statistic

    In a survey, 3 of 4 students said the courts show "too much concern" for criminals. Find the probability that at most 3 out of 7 randomly selected students will agree with this statement. Round your answer to the nearest thousandth.

    asked by miyah on October 22, 2017
  9. Biology

    What is the reaction that creates polysaccharides? What covalent bond forms between 2 sugars? Which is the main group involved in this bond formation? I've been reading my book for hours and I can't find the answer to this

    asked by Bree on February 22, 2017
  10. Physics

    A stone is thrown from ground level at 72 m/s. Its speed when it reaches its highest point is 46 m/s. Find the angle, above the horizontal, of the stone's initial velocity. Answer in units of degree

    asked by Jordan on October 6, 2015
  11. Geometry

    The math club of Ritzy High designed a pennant for the school yacht. The pennant was in the shape of an isosceles triangle. Two points, P and Q, are located so that AC= PQ= QB. Find the measure of angle B.

    asked by Emily on June 9, 2012
  12. physics

    The water skier there has a mass of 71.0 kg. Find the magnitude of the net force acting on the skier when (a) she is accelerated from rest to a speed of 14.0 m/s in 9.00 s and (b) she lets go of the tow rope and glides to a halt in 16.0 s.

    asked by Anonymous on June 9, 2012
  13. physics

    "Only two forces act on an object (mass = 3.90 kg), as in the drawing. (F = 76.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object. " (The angle is 45 degrees and the horizontal force is 40N)

    asked by Allie on April 20, 2012
  14. physics

    A 4.3 g mass is released from rest at C which has a height of 0.8 m above the base of a loop-the-loop and a radius of 0.31 m. The acceleration of gravity is 9.8 m/s2 . Find the normal force pressing on the track at A, where A is at the same level as the

    asked by luke on June 18, 2013
  15. earth/space science

    Walking along the sidewalk one day, you find a rock and want to know what kind it is. You look at it and se that it is an off white color, is greasy feeling when you rub it, and your fingernail scratches it and breaks it up. What kind of mineral do you

    asked by Ariel on October 5, 2010
  16. English

    I love to do creative writing. For school we have a contest called Power of the Pen that competes all over the state. I am going to the state compition and want to practice for it. How can I find inspiring things to write about?

    asked by Taylor on March 16, 2008
  17. Math

    19. A family takes a car trip. They travel for an hour at 80 km/h and then for 2 hours at 40 km/h. Find the average speed. (Hint, Remember to consider the total distance and the total amount of time.)

    asked by June on April 26, 2013
  18. 11th grade

    When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 5.3 m/s2 as it slows from 9.5 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s

    asked by leigha on October 11, 2010
  19. Calculus

    Find the distance, in feet, a particle travels in its first 2 seconds of travel, if it moves according to the velocity equation v(t)= 6t2 − 18t + 12 (in feet/sec). A. 4 B. 5 C. 6 D. -1 Please helpp, I'm struggling! Thank you in advance for your help!

    asked by Kyle on June 24, 2019
  20. check my set up please

    At a horizontal distance of 34 meters from the base of a tower, the angle of elevation to the top is 72 degrees. Find the line of sight distance to the nearest meter. I set this up tan72=x/34

    asked by Anonymous on June 1, 2014
  21. math

    Two cards are selected at random without replacement from a well-shuffled deck of 52 playing cards. Find the probability of the given event. (Round your answer to three decimal places.) A pair is not drawn.

    asked by mulat on June 24, 2019
  22. MATH Middle School

    The area of two rectangles is 360 square centimeters. The length of the second rectangle is 12 cm greater than the first while its width is 5 cm less than the first. Find the difference of the perimeters of the two rectangles if the lengths and widths are

    asked by PLEASE HELP on October 17, 2011
  23. physics

    A stone is dropped from the top of a tower 400 m high and at the same time another stone is projected upward vertically from the ground with a velocity of 100 ms −1 . Find where and when the two stones will meet.

    asked by Deepa on September 12, 2015
  24. Algebra

    During the first part of a canoe trip, May paddled 20 km up steam and 20 km back in a total time of 5 hrs. The speed of the river is 3 km/hr. Find May’s speed in still water. Set up the equation first then solve.

    asked by john on November 24, 2015
  25. matn

    need help with word problem? half add it Find a number such that when added to numerator and denominator of 2/11 yields a fraction equivalent to 1/2? thanks for any help (x+2)/(x+11) = 1/2 x is the number you want. Now do the algebra. I will be happy to

    asked by vince on March 8, 2007
  26. geometry

    Find the area of the shaded part (the two diagrams are circular sectors) given that central angle is 60 degrees and the bigger radius 7cm, width of the shaded portion is 2cm.

    asked by Nandhini on August 25, 2011
  27. A.p.

    Sri Ram paid ₨. 200 for a machine. At the end of 7th year it was valued at ₨.95. Assuming the yearly depreciation a constant amount. Find the annual depreciation.

    asked by warnar on December 24, 2016
  28. statistics

    A food manufacturer samples 7 bags of pretzels off the assembly line and weighs their contents. If the sample mean is 14.2 oz and the sample standard deviation is 0.60 oz., find the 95% confidence interval of the true mean.

    asked by Anonymous on March 16, 2014
  29. Statistics

    A box contains twelve candies, five reds, four greens, and three blues. You select one piece at random, then replace it, then you select another. If P(BG) is the probability of selecting a blue first and a green second, find the following probabilities. a.

    asked by Keonn'a on October 13, 2018
  30. Algebra II

    Y=-16X^2+100X+6 where x is the time in seconds and Y is the height in feet. find the zeros of the function? What do the zeros represent and are they realistic? and about how high does the rocket fly before hitting the ground?

    asked by Walter on February 14, 2010
  31. Calculus

    Determine the intersection, if any, of the planes with equations x + y - z + 12 = 0 and 2x + 4y - 3z + 8 = 0. I have no clue where to even begin. If someone could help and give me the steps to complete it, that would be greatly appreciated. Do I have to

    asked by Ad on December 18, 2014
  32. CALCULUS 2

    Use calculus to find the volume of the following solid S: The base of S is an elliptical region with boundary curve 9x^2+4y^2=36. Cross-sections perpendicular to the x-axis are isosceles right triangles with hypotenuse in the base.

    asked by ADELINE on February 4, 2014
  33. Maths

    The radii of three concentric circles are 2cm, 3cm and 4cm Find the ratio of the shaded areas A (the second circle from the inside) and B(the outer circle) (Hint: don't substitute for pi)

    asked by Math's Noob on January 8, 2012
  34. HEALTH

    Why are many fad diets considered unhealthy? A. Because they may not provide all of the nutrients your body needs B. Because they often promise quick weight loss C. Because people typically find it difficult to keep lost weight off D. All of the above D?

    asked by Aya on August 1, 2012
  35. math/calculus

    You are given the four points in the plane A(-3,6),B(0,-6),C(5,7),D(8/-7) . The graph of the function f(x) consists of the three line segments AB ,BC and CD . Find the integral f(x)from -3 to by interpreting the integral in terms of sums and/or differences

    asked by Mattie Boren on April 23, 2010
  36. Math

    The bases of a trapezoid are 24 and 33 inches long and it encloses an area of 571. Without determining the height of the trapezoid find the areas of the triangular regions into which the diagonals divide the quadrilateral?

    asked by Allison on May 29, 2010
  37. Physics

    A circular loop of radius "a" is rotated at constant angular velocity ω in a uniform magnetic field B. Find the magnitude of the net induced emf on the loop at any given time

    asked by AlejandroP on May 29, 2011
  38. algebra

    Two questions actually. Please only respond with step-by-step answers. Feel free to change the numbers, I just need to know how to do it... 1.) Factor Completely: 4a^2 + 81 - 36a 2.) In a right triangle, find the length of the side not given. b= 2 c= sqrt.

    asked by Jenny on May 2, 2010
  39. math

    The length of the fence of a trapezium-shaped field ABCD is 130m and side AB is perpendicular to each of the parallel sides AD and Bc.if BC=54m,CD=19m and AD=42m,find the area of the field.

    asked by guru on December 27, 2011
  40. Math

    Find the adjusted balance due at maturity for a 90 day note of $15000 at 13.7% ordinary interest if a partial payment of $4000 is made on the 60th day of the loan.

    asked by Greg on January 27, 2015
  41. Geometry

    Find the area of the shaded region, if the rectangle has dimensions 8m and 18m and the circle is inscribed in the rectangle. I just need an example on how to solve for this. I'm pretty bad at following without examples and my book doesn't show one.

    asked by Anne on July 14, 2016
  42. Physics

    When a shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 5.1 m/s2 as it slows from 9.6 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s

    asked by Simone on September 16, 2013
  43. Calculus

    Determine the intersection, if any, of the planes with equations x + y - z + 12 = 0 and 2x + 4y - 3z + 8 = 0. I have no clue where to even begin. If someone could help and give me the steps to complete it, that would be greatly appreciated. Do I have to

    asked by Ad on December 18, 2014
  44. Math / Algebra Word Problem

    The Parkhursts used 160 yd of fencing to enclose a rectangular corral and to divide it into two parts by a fence parrallel to one of the shorter sides. Find the dimensions of the corral if its area is 1000 yd^2 Thank you!

    asked by Ray on December 6, 2007
  45. Math

    I think my teacher might have made a mistake while grading homework. I'd like a second opinion if possible.. Q; The midpoint of line UV is (5,-11). The coordinate of one endpoint are U (3,5). Find the coordinates of the endpoint V. My answer was V(7,-27)

    asked by Yeri on September 26, 2016
  46. Microeconomics

    What does the U.S. government hope to achieve through the use of its antitrust policy? How does international competition affect domestic antirust policy? If could help me find a web site that tells me in simple terms.

    asked by Susan on June 5, 2009
  47. Physics

    Given: G = 6.67259 × 10−11 Nm2/kg2 Mimas, a moon of Saturn, has an orbital radius of 1.8 × 108 m and an orbital period of about 22.6 h. Use Newton’s version of Kepler’s third law and these data to find the ma

    asked by sharon on December 7, 2009
  48. Math help ASAP please

    A kicker kicks a football during practice. The equation below can be used to find the height (h) in feet after t seconds. h(t)=-16t^2+96t After how many seconds will the ball hit the ground? A. 6 B. 7 C. 96 D. 0 My answer is B, is this correct?

    asked by xxAnonymousxx on May 10, 2016
  49. Math

    Find the probability of each event. Spinning red on a spinner with equally sized red, blue, yellow, and green sectors, and flipping a coin that lands tails up

    asked by John on May 23, 2016
  50. statistics

    Using the average and standard devation for length variable from problem 3,find the probability that the length of 35 movies is less than 120 minutes. Assume the distribution is normally distributed. interpret your result.

    asked by kat on February 27, 2013
  51. math: 68-95-99.7 rule

    suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000 use the rule to find the percentage of buyers who paid: between $150,000if the standard deviation is $1200

    asked by john on April 30, 2015
  52. Physics

    1. A train traveling at a speed of 150km/h decelerates for 15 seconds. During that time it travels 400 meters. A) What is the acceleration? = m/s^2 B) What is its speed after deceleration? = km/h I need help with which formula to use and how to use it to

    asked by Danny on June 6, 2013
  53. Social Studies

    Ancient China irrigation 1. Find out the following information: a. When, where, and why did it develop? b. How was it used or practiced? c. Whom did it affect? d. What was the lasting impact this innovation had on China and its people? e. What are some

    asked by Help I need somebody not just anybody on March 12, 2017
  54. physics

    "Only two forces act on an object (mass = 3.90 kg), as in the drawing. (F = 76.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object. " (The angle is 45 degrees and the horizontal force is 40N)

    asked by Allie on April 20, 2012
  55. physics

    The distance between two consecutive nodes of a standing wave is 22 cm. The hand generating the pulses moves up and down through a complete cycle 3.89 times every 4.68 s. Find the velocity of the wave. Answer in units of m/s

    asked by d on March 17, 2015
  56. math/calculus

    You are given the four points in the plane A(-3,6),B(0,-6),C(5,7),D(8/-7) . The graph of the function f(x) consists of the three line segments AB ,BC and CD . Find the integral f(x)from -3 to by interpreting the integral in terms of sums and/or differences

    asked by Mattie Boren on April 23, 2010
  57. Calculus

    Here's one more that I do not understand A company estimates that the cost ($) of producing x units of a certain product is given by: C= 800 + .04x + .0002x^2 Find the production level that minimizes the average cost per unit. Thank you so much

    asked by Jane on March 30, 2009
  58. ap algebra

    Can you please help me with these problems I don't understand them? thanxs! Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.

    asked by Tyra on October 15, 2007
  59. Biology I

    Hi! Hoping someone knows this/has some on hand. Without being combined with anything, what colour is Pb(C2H302)2 (lead acetate)? My lab partners and I forgot to note the original colour. Please help if you can. I googled it, but couldn't find an answer.

    asked by Claire on November 10, 2009
  60. Health

    Why are many fad diets considered unhealthy? A. Because they may not provide all of the nutrients your body needs B. Because they often promise quick weight loss C. Because people typically find it difficult to keep lost weight off D. All of the above D?

    asked by Brandon on August 21, 2013
  61. Calc

    Im not getting these answers at all, please help. Find a formula for the fourth degree polynomial p(x) whose graph is symmetric about the y-axis (meaning it has no odd powers of x), and which has a y-intercept of 0, and global maxima at (4,512) and

    asked by Anonymous on April 7, 2013
  62. physics

    In an archery practise an arrow was released from the bow with a velocity 20m/s.it strikes to the board situated 15m ahead and stops.find at what rate the arrow was accelerated?

    asked by Tina on August 14, 2014
  63. Math

    Given the following statistical list: 13,17,19,22,25,27,29,29,32,and 33. Assuming a desired "Confidence Level" of 95%, find the confidence interval for the above scores. 19.8 < u(mean)< 29.4 14.6 < u < 33 13.4 < u < 22.7 11.1 < u < 18.5 I have 2 weeks to

    asked by Adam on October 2, 2012
  64. math

    It has been found that the average IQ score of students is 115 with a stanard deviation of 6. Find the probability that a random selected student will have an IQ score above 119. Assum the IQ scores are normally distributed.

    asked by D. Hearn on May 8, 2013
  65. English

    Would you name facilities or organizations where orphans, elderly people, very young children are cared for? For example, a senior center, a nursing home, etc. Would you let me know the websites where we can find many kinds of such organizations and their

    asked by rfvv on August 20, 2013
  66. calculus

    A particle traces the path vector r = (t^3, t+3, t^2 -4t) where t represents time; it flies off on a tangent when t=1 and then moves in a straight line with constant speed. Find its position when t=4. Do I just plug the 4 into the t's in vector r?

    asked by mark on September 20, 2008
  67. algebra

    Sheila Spinney borrowed $32,500 at 7.5% simple interest for 180 days on January 7. The bank later sold the note at an 8% discount on March 2. Find the proceeds to the bank.

    asked by Felicia on August 21, 2012
  68. college physics

    The speed (v) of an ocean wave depends on its wavelength ë (measured in m/s) and the gravitational field strength g (measured in m/s62) according to the formula v = Këˣgʸ where K is a dimensionless constant. Find the value of the exponent x and y.

    asked by Mandy on January 19, 2010
  69. Physics

    Find the location of the center of mass for a one-dimensional rod of length L and of linear density ë(x) = cx, where c is a constant. (Hint: You will need to calculate the mass in terms of c and L. Use any variable or symbol stated above as necessary.) X

    asked by mymi on October 11, 2011
  70. Physics

    A 200kg wagon is pushed along a horizontal surface at a constant 10m/s when it is released. After rolling a distance of 45m the wagon comes to a complete stop. Find the coefficient of friction.

    asked by Emma on December 4, 2016
  71. Physics

    A turbine spinning with angular velocity w_0 rad/sec comes to a halt in T seconds. Find an expression for the angle delta theta through which the turbine turns while stopping.

    asked by Nami on October 2, 2012
  72. math

    Find the present value, using the present value formula and a calculator. (Round your answer to the nearest cent.) Achieve $225,500 at 8.95% compounded continuously for 8 years, 155 days.

    asked by Anonymous on November 16, 2013
  73. Physics - Gravitational force

    Find the gravitational force between earth and the sun. I am using the formula Fg = (G*m1*m2)/(r^2) where G = 6.67*10^-11 m1 = 6.0*10^24kg m2 = 2.0*10^30kg r = should i use the sun's radius or the earths (Rearth = 6.38*10^6; Rsun = 6.96*10^8) either way i

    asked by Shaila on August 21, 2010
  74. stats

    suppose that the wait time at the bank is uniformly distributed in the interval 4-min-8min find the probability that a randomly selected customer has to wait longer than 6.5 minutes

    asked by zuly on April 29, 2012
  75. math

    find the surface area of the prism. A:426 msquared B:306 m2 C:336 m2 D:213 m2 Note: prism is rectangular or squared and uh height is nine base is 12 and other part is 5m pls help

    asked by Yung shuty on May 8, 2017
  76. AP Physics 1

    A 1400 kg car is moving westward with a speed of 12 m/s, and a 3600 kg truck is traveling east with a speed of 27 m/s. Find the velocity of the center of mass of the system. Answer in units of m/sˆ

    asked by Anonymous on January 13, 2017
  77. Math Business

    Janet got 671.50 in cash as the proceeds form a loan of $680. The discount rate was 10% simple interest. Find the discount period. I got 118.5 months but am not sure if I did it correctly.

    asked by Scott on January 19, 2010
  78. STATISTICS

    A random sample of stock prices per share (in dollars) is shown. Find the 90% confidence interval for the variance and standard deviation for the prices. Assume the variable is normally distributed.

    asked by Paula on April 19, 2013
  79. help maaaaath

    Find the largest possible number of distinct integer values {x_1,x_2,…,x_n}, such that for a fixed reducible degree 4 polynomial with integer coefficients, |f(x_i)| is prime for all i?

    asked by lin on June 23, 2013
  80. mba

    the price p per unit at which a company can sell all that it produces is given by the function p(x) = 300-4x. the costs function is c(x) = 500+28x where x is the number of units produced. find x so that the profit is maximum

    asked by viji on October 22, 2012
  81. GGIS

    A vertical radio mast is supported by wires attached to its top and to points on the level ground 9m from its base. If each wire is 31m long m, find the height of the mast.

    asked by damilola on October 17, 2015
  82. Calculus derivative

    Find the slope and an equation of the tangent line to the graph of the function f at the specified point. f(x)=-1/3x^2+5x+5: (-1, -1/3) Answer: f’(x)=-2/3x + 5 y=-2/3x -1 I re-worked the problem and got f'(x)=5, y=5x+ 14/3 This is from a multiple choice

    asked by Steff on June 15, 2011
  83. maths-perimeter

    A Rectangular field 750m long and 450m broad has in the middle of it , road 5m wide running at right angles to each other , one long the length and the other along the breadth . Find the area of the path

    asked by anoynomous on March 6, 2013
  84. social studies

    i find the answer for that question which industry is most helped by italy's arable land and good amounts of rainfall the answer is marble and granite mines is it right mrs. sue

    asked by veneisha on October 17, 2009
  85. statistics

    For these 90 times the mean was 15.60 minutes and the standard deviation s=1.80 minutes. Find the margin of error (round to 2 decimal places) and the 95% confidence interval for Julia’s average running time.

    asked by sue on December 19, 2013
  86. math calculus

    A poster is to contain 300 (cm square) of printed matter with margins 10cm at the top and bottom and 5cm at each side. Find the overall dimensions if the total area of the poster is minimum.

    asked by Aquino,Vanessa Mae on October 23, 2016
  87. math,help

    okay the problem states. the price of an item is given by p=2x^2-100 Find the polynomial that represents the revenue generated from the sale of x items. So this is what i did so far: First i tried solving for x using the equation. so p+100=2x^2 the rest i

    asked by Jasmine20 on January 24, 2007
  88. Physics

    When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 3.6 m/s^2 as it slows from 8.5 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s.

    asked by Anonymous on August 25, 2015
  89. physics

    The speed (v) of an ocean wave depends on its wavelength ë (measured in m/s) and the gravitational field strength g (measured in m/s62) according to the formula v = Këˣgʸ where K is a dimensionless constant. Find the value of the exponent x and y.

    asked by Mandy on January 19, 2010
  90. Finance

    A company issues a 6-year bond with a face value of 5,000 and semi-annual coupons payments of $275. Find the yield rate if the price of the bond is 6,500.

    asked by Kim on November 28, 2010
  91. Math

    1. The set of ordered pairs of the form (x,y) shown below represents points on a graph for a direct variation. (−4,6) (−1,−1.5) (0,0) (2,3) (6,9) Which equation best represents the relationship? A. y=3/2x B. y=2/3x C. y=x-2 D. y=x+3 Should I just

    asked by Tia on February 3, 2015
  92. Calculus

    You are given the four points in the plane A=(7,4) ,B=(9,-3) ,C=(13,5) , and D=(16,-2 . The graph of the function consists of the three line segmentsAB ,BC and CD . Find the integral between x= 16 and x= 7 by interpreting the integral in terms of sums

    asked by Bobby on November 28, 2009
  93. Physics Verification

    A poorly tuned Prius can accelerate from rest to a speed of 28 m/s in 20s. a) what is the average acceleration of the car? my answer is 1.4 b) Find its displacement in this time. my answer = 280 Can anyone verify this please?

    asked by Alexander on October 26, 2013
  94. geography

    I`m glad to know i`m not the only one having trouble with the airbus geography homework report. It is hard to find the info you need to answer the questions. The one i`m stuck on is how the broughton site helps the airbus industry.

    asked by adam on May 22, 2008
  95. statistics

    The weights of a group of adult males are normally distributed with a mean of 180lb and standard deviation of 8lb. Find the probability that a randomly chosen male from this group weighs more than 190lb.

    asked by tiffany on June 10, 2012
  96. Oceanography

    If the chlorinity of a sample of seawater is 5.5 0/00, what is the salinity in parts per thousand? Round your answer to the nearest tenths place. Basically, if ANYONE...knows anything about how to do this, or knows the answer or any information that could

    asked by Melanie on September 24, 2008
  97. Biology - Genetics

    I have not been able to find any more in depth websites/answers for this question. DNA is considered to be a relatively stable molecule. What is it that gives the molecule its stability when the hydrogen bonds between the nitrogen bases are so easily

    asked by Me-ki on October 31, 2007
  98. Accounting

    How does one determine variance analysis? I am trying to understand this and my text book is confusing me. Also, to determine this, would one find the the answers in the balance sheet or cash flow statement, or from the revenue and expenses?

    asked by Barbie on April 30, 2010
  99. math

    a rectangular lawn 80*60m has two roads each 10m wide running in the middle of it,one parallel to the length and the other parallel to the breadth.find the cost of graveling them at ₹1.20 per square metre

    asked by Anonymous on December 14, 2017
  100. Physic

    A spherical concave mirroe has a radius =0.4m forms an image of a 0.2 m high object located 1m from the vertex of mirror. find the position and height of the image. ? please explain your solution

    asked by mac on December 12, 2010

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