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maths-urgently

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maths-urgently needed
if p(x) = px^7 + qx^3 + rx - 5 where p , q , r are constants , if p(-7) = 7 then p(7) = ?

maths-urgently needed
If a+b+c=0 then prove that a^4+b^4+c^4=2(a^2b^2+b^2c^2+c^2a^2)

maths-urgently needed[Differential equations]
solve- dy/dx = 2xy + (y^2/x^2)

maths-urgently needed[Differential equations]
solve- dy/dx = 2xy + (y^2/x^2)

maths-urgently needed
Integrate ( x^2cosx)/(1+sinx)^2 dx with limits from 0 to pi/4

maths-urgently needed
integrate 1/x dx w.r.t x answer should be log(x) or ln(x) and why

maths
Find dy/dx for the following: a) y=3x^2 - 3x b) y=x^3(3+5x)^2 c) y=(x^2+1)^2/2x Please offer your help as I urgently need help

maths help me urgently!!!!!!
rationalise [1-(2i^2)]/i Plz help show we working so that i can learn

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

maths-urgently needed
90% of all students passed in Hindi, 85% in Maths and 150 students passed in both. calculate total number of students in the school.

maths-urgently needed
Construct a triangle PQR with base PQ = 8.4 cm , angel P = 45 degree and PR - QR = 2.8 cm ??

maths-urgently
let y = 3x+ 10 - x^2, where x and y are positive whole no. find sum of all possible values of y.

maths-urgently needed
show that: 2^5 cos^2a sin^4a = cos6a-2cos4a- cos2a + 2

maths-urgently needed
A moneylender 's income decreased by Rs.60 when the rate of interest dropped from 8%p.a to 31/4%p.a.What was his principal

maths
x^4+3x-2/(x^2+1)^3(x-4)=(Ax+B)/(x^2+1)+(Cx+D)/(x^2+1)^2+(Ex+F)/(x^2+1)^3+H/(x-4)+G/(x-4)^2.find ABCDEFGH?plz solve it a partial fraction i serious need the solution urgently

further maths
for what range of positive integers is log10 (x-40)+log(60-x)<2?plss I need an answer urgently

maths-urgently needed
find the vector and the cartesian equation of the line passing through (1,2,3) and parallel to the planes x-y+2z=5 and 3x+y+z=6

maths-urgently needed
find the vector and the cartesian equation of the line passing through (1,2,3) and parallel to the planes x-y+2z=5 and 3x+y+z=6

maths-urgently needed
ABCD is a trapezium, P and Q are mid points of the diagonals AC and BD. If AB=17cm and CD=9cm then the length of PQ is equal to

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

government secondary school
maths:x^4+3x-2/(x^2+1)^3(x-4)=(Ax+B)/(x^2+1)+(Cx+D)/(x^2+1)^2+(Ex+F)/(x^2+1)^3+G/(x-4)+H/(x-4)^2.fine the value of ABCDEFGH,it a partial fraction o plz i need the solution urgently

maths---urgently needed
range of sin(siny) +cos(siny)

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

maths-urgently
An arc of a circle is of length 5p cm and the sector is bounds has an area of 20p cm^2 find the radius of the circle.

maths-urgently needed
the diameter of a metallic ball is 14 cm. what is the mass of the ball, if the density of the metal is 6gm per cm^3.(cm cube)?

maths-urgently needed
A number of 4 different digits is formed by using 1, 2, 3, 4, 5, 6, 7. Find the probability that it is divisible by 5. Digits can be repeated

Maths equation plz help urgently
0^x=100? Please help can complex number help plz show working find x i really need it

maths-urgently needed
If the ratio of the legs of a right triangle is 1 : 2, then the ratio of the corresponding segments of the hypotenuse made by a perpendicular upon it from the vertex is

mega urgently important maths
the functions f and g are defined by f(x)=2/(x+1), x>0 g(x)=1-x^2, xER a)find value of fg(x)giving your answer in the simplest form. b) find f^-1(x) c) solve f(x)= f^-1(x)

maths-urgently needed
If the ratio of the legs of a right triangle is 1 : 2, then the ratio of the corresponding segments of the hypotenuse made by a perpendicular upon it from the vertex is

maths-urgently needed
The areas of the the three adjacent faces of a cuboid are 600 sq.cm 300sq.cm and 200 sq.cm.find the sum of the length,breadth and height of the cuboid ?

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
If Q(x)=x^2 for x less than or equal to 1 =ax+b for 1<x<2 = x^2-5 for x greater than or equal to 2 Find the values of a,b if Q(x) is to be continous for all x Please help with this urgently and also show all working out on method to do it Thanks

maths-urgently needed
From the top of a cliff 150m high, the angles of depression of two boats are 60 and 30. Find the distance between the boats if they are on the opposite sides of the cliff.

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.

computing maths
Determine whether the relation R on the set of all real numbers is reflexive, symmetric or transitive? where (x,y) is an element of R Explain why and why not by proving and giving examples. (a) x=1 (b) xy ≥ 0 (c) x-y is a rational number (d)x+y = 0 I need help urgently...

maths-urgently needed
ABCD is a square with length of each side 1cm. An octagon is formed by lines joining the vertices of the square to the mid points of opposite sides. Find the area of the octagon?

maths-urgently needed
In right angled triangle ABC angle B=90 degree and AB= root 34 unit. The coordinates of point B and Care (4,2)and (-1,y) respectively. If area of triangle ABC = 17 sq.units, then find value of y.

maths-urgently needed
find the equation of circle if the line 2x - y +1 = 0 touches the circle at the point (2,5) and the center of the circle lies on the line x+y -9 =0

maths-urgently needed
A man invests Rs 3,20,000 for 2 years at 12.5% p.a. compounded annually. If the income tax at the rate of 20% is deducted at the end of each year, on interest accrued, find the amount he received at the end of 2 years.

maths-urgently needed
the general solution of sin x + sin 2x + sin 3x + sin 4x = 0 ?

English
I urgently need to include the following details in a letter. Ms. Sue, could you please check them? 1) As I'm planning all the details for our preliminary meeting I urgently need to know when you are arriving here and if you need any help to arrange your transfer from the ...

maths-urgently needed
A line through through the point (3,0) meet the variable line y=tx at right angle at the point P. Find in terms of t, the co-ordinates of P

maths-urgently needed(probability)
A bag contains 5 red, 4 blue and an unknown number of m green balls. Two balls are drawn. If probability of both being green is 1/7 find m.

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
Pls i urgently need solution to this problems(1) in angle xyz. Y=298cm,z=51.4cm,x=196cm.solve the angle completely. (2). Calculate the values of anglesA and C of MABC where b=14.36cm a=7.82cm B=115.6cm. (3). a,A,angleC in angleABC given that b=17.23cm.C=10.86cm,B=101.30cm.thanks

MATHS
Please help..urgently.. A charity collected 20 cent and 50 cent coins for a fund raising event in the ratio of 16:7. they collected 6912 20-cent coins. how much money did they collect altogether?

maths-urgently needed
A cube or a cuboid had the volume the measurement of the cubiod area in the ratio 1:2:3 if the difference between thee cost of painting the cuboid & cube (whole surface area) at the rate of 5m is rs80 find their volume

maths-urgently needed
the simple interest of certain amount for a period of 2 years is 400 . the compound interest for the same amount for the same period is 410. find the principal and rate of interest?

maths-urgently needed
A person buys a refrigerator for rupees 12000. He pays rupees 6000 in cash and agrees to pay the balance in 12 annual instalments of rupees 500 each. If the rate of interest is 12% and he pays it with instalments on the unpaid amount, how much did the refrigerator cost him

maths-urgently needed
A manufacture of furniture sells a sofa set to a retailer for Rs 23000.the retailer, in turn, sells the sofa set to a customer for Rs 29000.find the VAT rate as percent,if the retailer pays Rs 520 as VAT.

maths-urgently needed
If in a triangle ABC, c(a+b) Cos B/2 =b(c+a) Cos C/2 then the triangle is :- 1. isosceles 2. Right angled 3. isosceles or right angled 4. none of these I want the explanation

maths-urgently needed
If in a triangle ABC, c(a+b) Cos B/2 =b(c+a) Cos C/2 then the triangle is :- 1. isosceles 2. Right angled 3. isosceles or right angled 4. none of these I want the explanation

maths-urgently needed
If in a triangle ABC, c(a+b) Cos B/2 =b(c+a) Cos C/2 then the triangle is :- 1. isosceles 2. Right angled 3. isosceles or right angled 4. none of these I want the explanation

maths-urgently needed
Consider the number 6135246. Jai can change this number in the following way. He can select atleast one digit and at most six digits (which need not necessarily be consecutive) from this number, and shift them to the rightmost in their respective order. For example- If she has...

maths-urgently needed
The volume of a cylinder is 48.125 cm3, which is formed by rolling a rectangular paper sheet along the length of the paper. If cuboidal box (without any lid i.e., open at the top) is made from the same sheet of paper by cutting out the square of side 0.5 cm from each of the ...

maths-urgently needed
From the top of a tower the angle of depression of an object on the horizontal ground is found to be 60degree. On descending 20 m vertically downwards from the top of the tower, the angle of depression of the object is found to be 30degree Find the height of the tower.

maths-urgently needed
There is a garden of apples and the profit from a garden of apple trees is given by f( x ) = 70 + 30 x^2 - (1/3) x^3, where x = number of apples trees per acre. How many trees per acre will maximize the profit?

Maths
URGENTLY ANSWER RATIO MATHS !!! Please EXPLAIN the steps fully CLEARLY, I have already got answer so no need to worry. This is for GCSE just so you know. Ratio Problem 1- Chantel makes muesli using wheat flakes and dried fruit in ratio 8:5. She has a 200g of wheat flakes and ...

maths-urgently needed
A manufacturer lists the price of the goods at Rs.240 per article. The wholesaler gets a discount of 25% on the goods from the manufacturer.The retailers are allowed a discount of 15% on the list price by the wholesaler. The prescribe rate of sale tax at all stages is 8%. A ...

Maths
URGENTLY ANSWER RATIO MATHS !!! Please EXPLAIN the steps fully CLEARLY, I have AlREADY GOT ANSWER so no need to worry. This is for GCSE just so you know. I want explanation for both problems. Ratio Problem 1- Chantel makes muesli using wheat flakes and dried fruit in ratio 8:5...

maths-urgently needed-plse help
A manufacturer lists the price of the goods at Rs.240 per article. The wholesaler ge6ts a discount of 25% on the goods from the manufacturer. The retailers are allowed a discount of 15% on the list price by the wholesaler. The prescribe rate of sale tax at all stages is 8%. A ...

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
A manufacturer lists the price of the goods at Rs.240 per article. The wholesaler gets a discount of 25% on the goods from the manufacturer. The retailers are allowed a discount of 15% on the list price by the wholesaler. The prescribe rate of sale tax at all stages is 8%. A ...

Maths:distance covered urgently need help
A car travelling at 60km/hr started a journey travelling in an oppsite direction to his destination.After travelling for 35min the driver realised his mistake he then turn the car back around and started travelling in the correct direction.how far away is he from his starting ...

maths-urgently needed
A manufacturer lists the price of the goods at Rs.240 per article. The wholesaler ge6ts a discount of 25% on the goods from the manufacturer. The retailers are allowed a discount of 15% on the list price by the wholesaler. The prescribe rate of sale tax at all stages is 8%. A ...

Calculus pz help urgently
Integrate:sinxcos(x-1/4.pi)dx

Math help needed urgently
X + y + z =1 x^2 + y^2 + z^2 =35 X^3 + y^3 + z^3 =97 find x , y. z

Maths(please check urgently
Please check urgently .I have to submit the assignment A give an example of a function whose domain equals the set of real numbers and whose range equals the set? the set {-1,0,1} BGive an example of a function whose domain equals (0,1)and whose range equals [0,1] C.Give n ...

maths letaracy,history,geography and life science
im going to grade 10 next year,and i want to be a psychologist and im going for maths letaracy and history feild im realy not good with maths and i just found out a few weeks ago that i need pure maths to do psychology.i don't know what to do now ,i also don't know the jobs ...

English
How to write a report. I'm in ninth standard???Pls help urgently

integration!!help urgently
integrate:dz/(z^2+1) where z is a complex number.....plz working

Math
Make a complete re search project on maths is interconnected with other subject i.e. Maths Vs computer using art with maths.

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 ...

science
need help urgently writing exam tmrw how do u balance equations???????

HELP!!!ME!!!!!!!!!urgently!!!!!!!
What are the two ways that the cell moves things by active transport?

Division need help urgently plz
1997^913 when it is divided by 10 what is the remainder???

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 ...

business studies n maths lit n accounting n geo
Do I need pure maths in These subjects or is maths lite fine to get me to the point of being a entreprenuer in my life

maths
suresh scored 15 mareks more than ramesh in maths.if the sum of their marks in maths is 275.write the statement in linear equation in two variables

math
hi i urgently need this help how in the world would a graph out y=-x and tell it us a function

mathematics
x^4+3x-4/(x^2+1)^3(x-4)=Ax+B/(x^2+1)+(Cx+D)/(x^2+1)^2+(Ex+F)/(x^2+1)^3+G/(x-4)+H/(x-4)^2.? find ABCDEFGH plz it a partial fraction i need the solution urgently

English
I urgently need you to help me express the following sentences. Thank you. Express your agreement (?) with the statements listed below (Or Agree with..) 1) My friend doesn't like Maths. I've been to Spain. I got a bad mark in my exam. I haven't got any money. Mike was ill last...

english
please send acomposition on 'my memory box' urgently.the composition is according to grade 5.thanks

Physics
can anyone give a site that have problems about pressure with solution.. urgently needed.. thanks :)

maths a
Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better? Explain your decision. ...

Maths B
Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better? Explain your decision.

Maths B
Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better? Explain your decision.

Math
I need some urgent help with two simultaneous equations urgently please...Show working. 3a-b=9 2a+2b=14

Science
Someone help me urgently!! WTF does the Big Idea of Energy mean?!?!?! KS3 Wise!!! <33333

History of Schooling
What were Infant, Primary, and Secondary schools like in the early 1900s? This info is needed URGENTLY!

NEED THIS URGENTLY SCIENCE.
Sra, i couldn't find an answer to: How do astronauts fix parts of their station (Please Help me Someone!)

English
I urgently need you to check these sentences on the present perfect. Thank you. 1) I've just come back from the studio where we were rehearsing/practising(exercising/training are mistakes?).Is "we practised" possible? 2) I still haven't spent my time listening to music. I ...

English
I urgently need you to check a few more sentences (infinitive/gerund) . Thank you very much. 1) After that, we can establish an e-twinning-platform so that our students can start emailing to one another. (is "establish" possible?) 2)I can’t afford to buy new shoes.She ...

science
what are the pros and cons of laser eye surgery? atleast 5 of each pro and con plz need help urgently thanku

malayalam needed urgently
indiayude mun presidentmarude chitrakal shekariche venda adikuripukalode oru album thayarakkukaa

English
I urgently need to find a site where I can listen to the last Chapter of Dr Jekyll and Mr Hyde by Stevenson. I really hope you can help me! Thank you very much.

Science
Urgently needed for my n.e.e.t test next week.. Calculator not allowed.. How do i find antilog of (-10.6) for solving a pH based question?? Please help!

unda geometry cerious need help urgently
find the centroid of the area of the finite region enclosed by the curve y=x^(2)+1 when x-axis and the line x=0 and x=3

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