Vikram
Most popular questions and responses by Vikram
Calculus
The function f is continuous on the interval [4, 15], with some of its values given in the table above. Estimate the average value of the function with a Right Rectangle Approximation, using the 4 intervals between those given points. x 4 9 11 14 15 f(x)
asked on June 14, 2016 
Calculus AB
If f(x) = (x^2  6)(x^2 + 2), how many numbers in the interval 1 ≤ x ≤ 2 satisfy the conclusion of the mean value theorem? None One Two Three Not sure where to start. Like my previous question, I don't have a book or help from my teacher.
asked on January 12, 2016 
Calculus AB
Find the xcoordinates of any relative extrema and inflection point(s) for the function f(x) = 3x(1/3) + 6x(4/3). You must justify your answer using an analysis of f '(x) and f "(x). My start to a solution: xvalues: (1/8) and (1/4) I got 1/8 from
asked on January 11, 2016 
AP Physics 1
1. A delivery truck travels 21 blocks north, 16 blocks east, and 26 blocks south. What is its final displacement from the origin? Assume the blocks are equal length. 2. Vector V1 is 6.6 units long and points along the negative x axis. Vector V2 is 8.5
asked on January 15, 2016 
AP Calculus AB
For an object whose velocity in ft/sec is given by v(t) = t^2 + 6, what is its displacement, in feet, on the interval t = 0 to t = 6 secs? 36 36 0 55.596 For an object whose velocity in ft/sec is given by v(t) = 2t^2 + 4, what is its distance travelled,
asked on March 1, 2016 
statistics
The Acme Car Company claims that at most 8% of its new cars have a manufacturing defect. A quality control inspector randomly selects 300 new cars and finds that 33 have a defect. Should she reject the 8% claim? Assume that the significance level is 0.05.
asked on March 17, 2012 
AP Calculus AB
An object has a constant acceleration of 40 ft/sec2, an initial velocity of 20 ft/sec, and an initial position of 10 ft
asked on March 23, 2016 
US Government & Politics
15. The growth of direct primaries has resulted in which of the following major change to political parties? Political parties, instead of the Senate, host and determine the rules for direct primaries. National conventions held by major parties, instead of
asked on February 15, 2016 
AP Calculus AB
2. For an object whose velocity in ft/sec is given by v(t) = t^2 + 6, what is its displacement, in feet, on the interval t = 0 to t = 3 secs? 3. Find the velocity, v(t), for an object moving along the xaxis if the acceleration, a(t), is a(t) = cos(t) 
asked on March 18, 2016 
Calculus AB
If f(x) is differentiable for the closed interval [3, 2] such that f(3) = 4 and f(2) = 4, then there exists a value c, 3 < c < 2 such that f(c) = 0 f '(c) = 0 f (c) = 5 f '(c) = 5 Not really sure where to start here. No textbook and my teacher never
asked on January 12, 2016 
AP Calculus AB
Find the volume of the solid formed by revolving the region bounded by the graphs of y = x^2, x = 4, and y = 1 about the yaxis 39pi/2 225pi/2 735pi/2 None of these I got 39pi/2
asked on March 7, 2016 
geometry
triangle ABC,angleA=60 degree,angleB=70 degree,angleC=50 degree. AB=6cm,BC=6.5cm,AC=7cm. Find its perpendicular of the triangle
asked on December 25, 2017 
geometry
triangle ABC,angleA=60 degree,angleB=70 degree,angleC=50 degree. AB=6cm,BC=6.5cm,AC=7cm. Find its curcumcentre.
asked on December 25, 2017 
geometry
Triangle PQR is an isosceles triangle. The side QP is produced to S. Such tha PQ=PS,prove tha angle QRS=90 degree.
asked on February 8, 2018 
AP Calculus AB
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. I don't understand the washer thickness topic which is why im having trouble with this
asked on March 23, 2016 
geometry
triangle ABC,angleA=60 degree,angleB=70 degree,angleC=50 degree. AB=6cm,BC=6.5cm,AC=7cm. Find its orthocentre.
asked on December 25, 2017 
geometry
triangle ABC,angleA=60 degree,angleB=70 degree,angleC=50 degree. AB=6cm,BC=6.5cm,AC=7cm. Find its centroid.
asked on December 25, 2017 
physics
If a charge of 25 coulombs passes a given point in circuit in a time of 125 minutes determine the current in the circuit
asked on August 22, 2011 
Calculus AB
What is the maximum volume in cubic inches of an open box to be made from a 16inch by 30inch piece of cardboard by cutting out squares of equal sides from the four corners and bending up the sides? Your work must include a statement of the function and
asked on January 11, 2016 
calculus
find the volume of the solid generated by the revolution of the cycloid x=a(thetasin theta), y=a(1 cos theta) about its base
asked on April 10, 2011 
geometry
triangle ABC,angleA=60 degree,angleB=70 degree,angleC=50 degree. AB=6cm,BC=6.5cm,AC=7cm. Find its incentre.
asked on December 25, 2017 
physics
suppose a ball having 2 kilogram mass is closed in tube having 4 kilogram mass. what will be the velocity of 2 kilogram ball if we shake this tube side by side and this ball bounce back and rolling at the rate of .03 centimeter/second.
asked on October 11, 2016 
physics
suppose a ball having 2 kilogram mass is closed in tube having 4 kilogram mass. what will be the velocity of 2 kilogram ball if we shake this tube at the rate of .03 centimeter/second.
asked on October 11, 2016 
physics
if mass is not an issue then how much force is required to move a ten no. 'shake flashlight' .will it be equal to move a single flashlight or will have to work ten times more to shake these ten flashlights? Note these flashlights are based on magnetic
asked on September 21, 2016 
physics
how much output I can get if a coil having 100000 turns moves pass a strong 3000 gauss neodymium magnet with 10 m/s velocity only once a time?
asked on September 10, 2016 
physics
If I bring a 500 gauss magnet near to a 50 gauss magnet to repel them each other.will then both magnets repel each other with equal force or the 500 gauss magnet will repel 50 gauss magnet to more distance?
asked on September 7, 2016 
physics
how much output I can get if a coil having 100000 turns moves pass a strong 3000 gauss neodymium magnet only once a time?
asked on September 4, 2016 
physics
what will be the speed of a 500 kilogram moving satellite if we apply100N force on it after each second till 10 hours and current velocity of this satellite is 16,800 miles per hour?
asked on April 12, 2016 
science
what will be the speed of a 5oo kilogram mass satellite if we apply 100N force on it after each second till 10 hours and the current velocity of this satellite is 16,800 miles per hour?
asked on April 12, 2016 
AP Calculus AB
Which integral gives the area of the region in the first quadrant bounded by the axes, y = e^x, x = e^y, and the line x = 4? The answer is an integral. I know y=e^x has no area bounded, but I don't know how to incorporate it all.
asked on February 14, 2016 
math
two sides are equal other than third side perimiter of triangle is28 find each side of triangle
asked on September 13, 2018 
physics
Two 100 kg ball are mounted on a seesaw and seesaw is in balanced position and balls can move freely on the surface.How much force I should applied on the right arm of seesaw so that the left side ball could jump up to 5 centimeter in the Air.
asked on April 28, 2017 
physics
I have put a 100 gram weight ball in a plastic bottle and weight of this bottle is 20 gram .Now I shake this bottle in horizontal direction towards 5 centimeter back and forth with the applying force of 1 newton .So what will be the kinetic energy of this
asked on October 22, 2016 
physics
suppose if we put 5 kilogram weight on the each arm of a seesaw and it is in equilibrium position now if I apply 2 newton force on the corner of right arm of this seesaw side by side in horizontal direction then this force will be distributed equally or
asked on October 12, 2016 
physics
How much force will be required to move a seesaw system which is balanced with 50 kg weight on both side to move it 4 centimeter towards up and down side (linear motion).
asked on September 4, 2016 
physics
How much energy will be required to move a balance system to move it 4 centimeter towards up and down side (linear motion).
asked on September 4, 2016 
Finance
Tom company has sales of Rs.200,000/ with variable expenses of Rs.150,000/, fixed expenses of Rs.60,000/, and an operating loss of Rs.10,000/. By how much would Tom have to increase its sales in order to achieve an operating income of 10% of sales?
asked on February 24, 2013

science
nice explanation
posted on June 6, 2019 
5th grade
4,000
posted on October 4, 2016 
Calculus
Use the midpoint rule with n = 4 to approximate the area of the region bounded by y = x3 and y = x
posted on June 14, 2016 
AP Calculus AB
9.000 9.000 10.596 3.00 Those are the answer choices for #2
posted on March 18, 2016 
AP Calculus AB
The base of a solid in the xyplane is the circle x2 + y2 = 16. Cross sections of the solid perpendicular to the yaxis are squares. What is the volume, in cubic units, of the solid? Can you please help me out on this one Bobby? Also, for the second
posted on March 1, 2016 
US Government & Politics
15. The growth of direct primaries has resulted in which of the following major change to political parties? Political parties, instead of the Senate, host and determine the rules for direct primaries. National conventions held by major parties, instead of
posted on February 15, 2016 
AP Calculus AB
OH I completely forgot to do the "+". I kept typing in the answer without the "+" and kept getting it wrong and decided to get help on the last try. Thank you very much Steve.
posted on February 14, 2016 
Algebra
Please don't post the question from brilliant dot org. You're spoiling the essence of the challenges!
posted on March 4, 2013 
calculus
plzzzzz ans dis
posted on April 10, 2011