# Posts by anoynomous

Total # Posts: 115

Language Arts
Amy is correct i just got 100%

maths-trignometry(urgent)
without using calculator, find the Value of following is cosec(-38888)

maths-trignometry
without using calculator, find the Value of following is cosec(-38888)

Math
November 1

maths-formula
2a^3+2b^3+2c^3-3abc=?

maths-polynomials
When a number is divided by 7 and 9 , the remainder is 4 and 3. what will be the remainder of a same no. when it is divided by 37.

maths-
When a number is divided by 7 and 9 , the remainder is 4 and 3. what will be the remainder of a same no. when it is divided by 37.

maths-urgently needed
When a number is divided by 7 and 9 , the remainder is 4 and 3. what will be the remainder of a same no. when it is divided by 37.

maths-urgently needed
Rana bought 500 shares of HCL at a rate that yielded him 20 % return on a 24%, Rs 350 share. Later on , the company issued a bonus share for every 10 shares held. When the market price was Rs 480 he sold all the shares and invested the proceeds in buying Rs 300 shares of IBM ...

maths-urgently needed
Rana bought 500 shares of HCL at a rate that yielded him 20 % return on a 24%, Rs 350 share. Later on , the company issued a bonus share for every 10 shares held. When the market price was Rs 480 he sold all the shares and invested the proceeds in buying Rs 300 shares of IBM ...

maths-urgently needed
Atul invested Rs 75000 in buying Rs 200 shares of ABC Ltd paying a dividend of 20%. He bought them at a rate which gave him a yield of 16%. After a year he sold them at Rs 350 and invested the proceeds along with the dividend obtained in buying Rs 175 shares of XYZ ltd paying ...

maths-
Rana bought 500 shares of HCL at a rate that yielded him 20 % return on a 24%, Rs 350 share. Later on , the company issued a bonus share for every 10 shares held. When the market price was Rs 480 he sold all the shares and invested the proceeds in buying Rs 300 shares of IBM ...

maths-urgently needed ,plse
Atul invested Rs 75000 in buying Rs 200 shares of ABC Ltd paying a dividend of 20%. He bought them at a rate which gave him a yield of 16%. After a year he sold them at Rs 350 and invested the proceeds along with the dividend obtained in buying Rs 175 shares of XYZ ltd paying ...

maths-urgently needed ,plse
Explain cos^-1 [cos 5pi/4] also tell it can be defined or not.

maths -urgent
There is a manufacturing company who sold furniture's at the rate of Rs 31,300 per unit cost which is inclusive of 5% Value added tax. calculate the basic cost (exclusive of Value added tax) for 250 furniture's sold by the company.

maths -urgent
Find SP, if market price= Rs. 70 and commission =10 percent

maths
Given: ax + by=1 where a,b,x,y are integers. which of following the statement is false. i) (a.b)=1 ii) (x,y)=1 iii)(a,y)=1 iv) (b,y)=1

maths
Solve for x: (x+1)/(x-3)>0.

maths -urgent
The sum of two opposite angles of a parallelogram is 150 degree .find the measure of each of its angles.

maths- plseee urgently
We can solve this using the algebra guidelines below We know that 24874/17 is some value, 24874/17 = n And we know that some unknown number divided by 17 should equal that number plus 100. a/17 = n + 100 All we have to do is solve for a. a = 17n + 1700 a = 17(24874/17) + 1700 ...

maths- plseee urgently
without calculator we need to find the value of sin18degree-sin66degree+sin60 degree

maths- can't use calculator
can't use calculator

maths- plseee urgently
value of sin18degree-sin66degree+sin60 degree

maths-
if n is an odd positive integer, then prove that n^2 -1 is divisible by 8

maths- urgent
what is the value of sin18degree-sin66degree+(root3/2)

maths- urgent
thank u steve sir

maths- urgent
show that √Π+1 is irrational if there is any proof

maths- urgent
is there any proof

maths- urgent
show that √Π+1 is irrational

geometry
It's C.

maths-
A and B are two different values of C lying between 0 and 360 which satisfy the equation (p cosC + q sinC=r) then prove that cos(A+B)=(p^2- q^2)/(p^2+ q^2)

maths-
a man bought a certain number of toys for rs 180 and he broke two of them. Then he sold each of the rest for Rs.10 more than he had given for it and thereby he makes a profit for Rs 60. find the number of toys he initially bought

maths- rational no.
find two irrational numbers between 2.5 and 4.5

maths- urgent
Thank You Sir, But when we know 1023 are five digit no. then what after that, i mean to say that--------- Reverse the number and add the sum of the two numbers. This part plse sir, i shall be thankful to you

maths- urgent

maths- urgent
a) Forming the smallest six digit number with different digits. Reverse the number and add the sum of the two numbers. b)Forming the smallest five digit number with different digits. Reverse the number and add the sum of the two numbers.

mathematics
a man bought a certain number of toys for rs 180 and he broke two of them. Then he sold each of the rest for Rs.10 more than he had given for it and thereby he makes a profit for Rs 60. find the number of toys he initially bought

mathematics
Given: B={1},find no. of elements of P[P{P(B)}].

Statistics
a) The value of z such that P(Z<z)= 0.95 is z = 1.6449 Solving for x: z =1.6449=(x-69.0)/2.8 x = 1.6449*2.8+69 = 73.6 b) Solving for xbar: z =1.6449=(xbar-69.0)/(2.8/sqrt(100)) xbar = 1.6449*0.28+69 = 69.5

maths-
Given: B={1},find no. of elements of P[P{P(B)}].

maths-
The remainder obtained by dividing x^2 -3kx +2 by ( x+2) is twice the remainder obtained by dividing x^2 +3x –k by ( x+3). Find the value of k

maths
In parabola, give any example of a quadratic equation which doesnot touches the x-axis only.

maths-
In parabola, give any example of a quadratic equation which doesnot touches the x-axis and y-axis

maths-
Find the area of triangle . in a right-angled triangle, the length of the hypotenuse is 65 cm

maths-
The median of the following incomplete frequency distribution is 10: x= 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 f= 0 , 2 , 5 , 6, 3 , 1 , 2 , Y Calculate the frequency of 8

maths-conic sections
find cartesian equation of a hypeerbola with centre as origin , focus : ( 2, 0 ) and line x = 2 as directrix .

maths- urgent
The median of the following incomplete frequency distribution is 10: x= 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 f= 0 , 2 , 5 , 6, 3 , 1 , 2 , Y Calculate the frequency of 8

maths- urgent
The median of the following incomplete frequency distribution is 10: x= 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 f= 0 , 2 , 5 , 6, 3 , 1 , 2 , Y Calculate the frequency of 8

maths-urgently needed
If the mean of y1 and y2 is M1 and that of y1, y2, y3, y4 is M2, the mean of ay1, ay1.y3/a, y4/a is

maths-statistics
If the mean of y1 and y2 is M1 and that of y1, y2, y3, y4 is M2, the mean of ay1, ay1.y3/a, y4/a is

maths-statistics
The median of the following incomplete frequency distribution is 10: x= 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 f= 0 , 2 , 5 , 6, 3 , 1 , 2 , Y Calculate the frequency of 8

maths-Linear inequations
Find the solution (feasible) of following inequations x+ 4y ≤ 24; 3x +y ≤21 ; x+ y ≤9; x≥0 and y≥0

maths-binomial theorem
how can we show that there is no constant in the expansion of [2x – (x^2/4)]^9

maths-
find first three terms in the expansion of ( 1 –x )^-1/4

maths-binomial theorem
coefficient of x^39 in the expansion of [(1/x^2) + x^4)]^18

maths-parallelogram
there is a man who decided to make a garden either in shape of rectangle or parallelogram in front of his house and fence it. but he chooses the rectangle shape. The parallelogram whose length is 20m and width is 14m. The cost of fencing is Rs.2000 per metre. a) What was the ...

maths-parallelogram
thank u so much sir but Which are the possible triangular plots that can be taken by the Gram Panchayat?

maths-parallelogram
There is a man who plotted a land in shape of a trapezium with its parallel sides to be 15m and 5m & height=9m. The Panchayat decided to take a triangular plot of land from one side to construct a school. He reluctantly agrees to this. is this can be possible? Which are the ...

maths-area of parallelogram
also, find area of parallelogram

maths-area of parallelogram
There is a man who plotted a land in shape of a trapezium with its parallel sides to be 15m and 5m & height=9m. The Panchayat decided to take a triangular plot of land from one side to construct a school. He reluctantly agrees to this. is this can be possible? Which are the ...

maths-surface area
there is a groove which is in a cylindrical form and is made in a cylindrical piece of wood of length 17.5cm. The groove is filled with graphite and the cylindrical graphite block is of same length as that of wooden piece. If the diameter of the graphite cylinder is 3mm and ...

maths-probabilty
Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2

maths-circles
ABCD is a rectangle the line through C perpendicular to AC meets AB produced at X and AD produce at Y . Prove that DBXY are concyclic

maths- probabilty(me posted third time)plse answer
There are two bags out of which Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2

maths-probabilty
There are two bags out of which Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2

maths-probabilty(URGENTLYYY)
There are two bags out of which Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2

maths-
Number of points at which f(x) = 3+2sinx has maximium in the interval (-11 pie/2 , 100 pie) is _____

Maths-Query
An NGO is helping the poor people of earthquake hit village by providing medicines. In order to do this they set up a plant to prepare two medicines A and B. There is sufficient raw material available to make 20000 bottles of medicine A and 40000 bottles of medicine B but ...

maths-surface area
Cylindrical groove is made in a cylindrical piece of wood of length 17.5cm. The groove is filled with graphite and the cylindrical graphite block is of same length as that of wooden piece. If the diameter of the graphite cylinder is 3mm and outer diameter of the wooden ...

maths-surface area(STEVE SIR)

maths-surface area

maths-surface area
A cone 7dm high and 6 dm in diameter is placed on the ground. Sand is poured over it until conical heap 21 dm high and 33 dm circumference at the bottom is formed. Find how many m^3 of sand is there?

explain All the parallelograms are rhombus but all rhombus are not a parallelograms

maths-surface area
A solid is in the form of cone mounted on a hemisphere in such a way that the centre of the base of the cone just coincide with the centre of the base of the hemisphere. Slant height of the cone is L and radius of the base of the cone is 1/2r where through r is the radius of ...

maths-probabilty
A chairman is biased so that he selects his relatives for a job 3 times as likely as others. If there are 3 posts for a job. Find the probability distribution for selection of persons other than their relatives.

maths-probabilty(urgenlty)
A chairman is biased so that he selects his relatives for a job 3 times as likely as others. If there are 3 posts for a job. Find the probability distribution for selection of persons other than their relatives.

maths-triangle
If all three altitude , median and perpendicular bisector are same , then the triangle is

maths-functions
one -one function (what are its conditions)

maths-differentaition
y=cos^-1[(1-x^2)/(1+x^2)] find dy/dx

maths-trignometry
Prove that tan-1 (1/7) + tan-1 (1/13) = tan-1(2/9)

maths-differentaition
y=cos^-1[(1-x^2)/(1+x^2)] find dy/dx

maths-circles
a circle with centre O, secants AB and EF intersect each other at point C in the exterior of the circle . prove that measure of angle ACE=(1/2)*{measure of arcAE)-measure of arc BF}

maths-circles
a circle having a centre O has a triangle PQS inside it with the base QP is not on centre O. PT and QT are two tangents from an exterior point T (S, O and T are linear points - lie in one line ) it is given that angle ptq = 25 deg . find angle PSQ and OPQ

maths-areas
How traingle ABC and APR are similar

maths-areas
in triangle ABC P, Q AND R ARE the mid points of side AB, BC, CA.prove that area of parallelogram APQR=( 1/2)* area of triangle[ABC]

maths-stastics
Find the mean for the following data variable=4,6,8,10,12 freqency=4,8,14,11,13

maths-trignometry
The value of (secpi/7)+(sec3pi/7)+(sec5pi/7) is

maths-trignometry
The value of (secpi/7)+(sec3pi/7)+(sec5pi/7) is

maths-trignometry
The value of (secpi/7)+(sec3pi/7)+(sec5pi/7) is

maths-probabilty(urgently needed)
A box contains 5 red balls and 6 black balls. in how many ways can 6 balls be selected so that there are at least two balls of each color?

maths-surface area(STEVE SIR)
diameter is 140cm it 's not radius sir

maths-surface area
The diameter of a road roller is 140cm and its length is 2.2m. It takes 400 complete revolutions to move over to level a stretch of a road 2.2m wide find the surface area of stretch of road leveled in m sq.

maths-probabilty
A box contains 5 red balls and 6 black balls. in how many ways can 6 balls be selected so that there are at least two balls of each color?

QUERY -COMPUTER
hi i want to have antivirus in my computer, would u plse suggest me which should i go for . well i have also antivirus called ESET NOD32 Antivirus 6 plse tell me is it good antivirus or okay-okay.

maths-probabilty
A man has brought tomota and five fruits from market. How many ways he can prepare mixed jam by selecting any 3 fruits excluding tomato

maths-probabilty
find the no. of ways in which letters of the word ARRANGEMENT can be arranged so that 2A's and 2R's do not occur together?

maths-probabilty
A man has brought tomota and five fruits from market. How many ways he can prepare mixed jam by selecting any 3 fruits excluding tomato

maths-probabilty
find the no. of ways in which letters of the word ARRANGEMENT can be arranged so that 2A's and 2R's do not occur together?

maths-linear equation
Draw the graph of the linear equation whose solutions are represented by the points having the sum of the coordinates as 10 units.

maths-parallelogram
A farmer had a plot in the shape of a parallelogram. He divided into three equal parts, each of which was a separate parallelogram. He then gave his son one-third of the land. The son, who realized that the district in which he lived had no school, decided to set one school up...

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