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Maths
Page 11
Questions
What are lke terms in formula
3 answers
asked by
Kate
568 views
x^2 differnsation
1 answer
asked by
selva
428 views
Hey :)
I'm sitting my maths non-calculator GCSE tomorrow and am currently revising. I'm doing a practise paper and am currently
3 answers
asked by
Sarah
581 views
How do you find the gradient of a curve??
1 answer
asked by
Candice
311 views
4ab-8ac+12ad
3 answers
asked by
Claire
485 views
f:x -> (4x²-8x-21)/(x²-1)
(a) Analyse (b) Sketch I'm struggling on (a) so I can't do (b) Here are my ideas/what I've got so
2 answers
asked by
Anonymous
550 views
Given that y=x^2+2x-3
When x is -3 what is y? Is the ans 0? When x is 1 what is y? Is the ans 0?
3 answers
asked by
Lucy
249 views
How do i expand and simplify
(2x+5) (3x-4)
1 answer
asked by
Tricia
443 views
What is 6:1/2= 6:12= 6:2= ?
1 answer
asked by
Elizabeth
223 views
Hello, I'm supposed to do this questions using concepts of differentiation with proper workings, and not based on general
1 answer
asked by
Andrea
414 views
How do i show that
(a-b)^2(a+b)+ab(a+b)=a^3+b^3 I have come up with the last part ab(a+b)=a^2+b^2, but how do i work out the 1st
1 answer
asked by
Scott
397 views
How do i simplify (3a-1^2)?
1 answer
asked by
Francois
279 views
Eleven people, 7 men and 4 women, successfully completed their study at the School of Astronautics. A team of 6 people needs to
3 answers
asked by
Tyler
372 views
Prove that a number 10^(3n+1) , where n is a positive integer, cannot be represented as the sum of two cubes of positive
4 answers
asked by
Matt
661 views
Find the maximum value of the function f(x)=-x4-3x2+x+7 and use it to determine the range of f.
1 answer
asked by
Danny
311 views
on a graph of 2x^2 -7+5 use equations to find the vertex point ,roots and asis of symmetry
3 answers
asked by
Anonymous
329 views
Find the smallest possible angle in standard position of 4400 degrees.
4 answers
asked by
Annalee
381 views
Can someone use mod to prove that 10^(3n + 1) cannot be represented as the sum of two cubes.
And make it very detailed please.
2 answers
asked by
Sean
483 views
Eleven people, 7 men and 4 women, successfully completed their study at the School of Astronautics. A team of 6 people needs to
2 answers
asked by
MathsHelpNeeded
551 views
How do I work out square roots without a calculator?
2 answers
asked by
Noel
493 views
Ѵ7 + Ѵ28 + Ѵ63 + ... +p =300Ѵ7
How many terms are in the sequence?
1 answer
asked by
Jeremey
286 views
The number of Australians who are registered organ donors when they die (A) is increasing exponentially according to the formula
1 answer
asked by
Jeremey
399 views
Use your calculator to solve
x squared + 8x + 5 = 0
3 answers
asked by
Remy
553 views
I have already asked this question but I have to use my calculator to solve
x^2 + 8x + 5 = 0 Someone gave me a link to a
3 answers
asked by
Remy
498 views
I know but can you just tell me if this is correct:
a = 1 b = 8 c= 5 x= -8 + square root 8^2 - (4x1x5) - -------------- 2
1 answer
asked by
Remy
253 views
According to the CIA fact book there were 1018057384 internet users in 2005. The same source states that in 2005, Canada had 22
1 answer
asked by
seema
475 views
Find the equation of a line which is
perpendicular to 2x + 3y = 4 passing through ( -5, 1) Can you show mw how to work this out
2 answers
asked by
Remy
643 views
What is an integer?
1 answer
asked by
Remy
298 views
wHAT IS AN INTEGER?
1 answer
asked by
Remy
285 views
2y^2 - 8y - 8 = 0
1 answer
asked by
Remy
253 views
Solve
k^2 + km = 8 m = k- 6 Can you show me step-by step please?
2 answers
asked by
Annette
584 views
I have to complete a data sheet for the Chicago Bulls to include Top 5 players,their salaries heights and weights. I also need
1 answer
asked by
Lewis
322 views
A cubic graph has the equation:
y = 3(x-1)(x+2)(x+5) Write in similar form the equation of the graph after a translation ( 3)
3 answers
asked by
Remy
1,016 views
The values for x when f(x) = 0 are:
x=-2 and x=3 My question is: The function f(x) can be written in the form of a(x-p)(x-q)(x-r)
1 answer
asked by
Adrianna
364 views
f(x)=[sqrt((x-68)^2 + x^3-116x^2-417x+267460)] - 10
To find the minimum value of we need to check the value at the following
2 answers
asked by
Salman
489 views
2+2
1 answer
asked by
Alok
204 views
for y=sin nx
'n' is called the frequency. what effect does 'n' have on the graph ??
3 answers
asked by
Newy
507 views
I have a trig question regarding a ferris wheel, radius 35m, axles 37m, clockwise direction, rotates twice every 10 mins. I have
3 answers
asked by
Melody
770 views
Two pistons A & B move backwards and forwards in a cyclinder. Distance x cm of the right hand end of piston A from point 0 at
7 answers
asked by
Melody
571 views
At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22
3 answers
asked by
Salman
511 views
A palindrome number is one that reads the same both forwards and backwards- for instance. 797 or 44. How many palindromic
5 answers
asked by
Mildred
427 views
Find the equation of the normal to the curve y = 3x^2 - 5x that is perpendicular to the line y = x + 4.
1 answer
asked by
Annie
326 views
x/2 + x/4 = 1
the answer is 1 1/3 can you show me the method please thanks in advance :)
5 answers
asked by
Greg
467 views
how would you work out
y=2/x and y=-n/x the minus is for the whole fraction please show your working thanks in advance :)
1 answer
asked by
Greg
285 views
change so x is the subject
y=2/x and y=-n/x the minus is for the whole fraction please show your working thanks in advance :)
2 answers
asked by
Greg
560 views
differentiate from first principles
y=1/x^2 i get to this then i get stuck f(x+h)-f(x) = 1/(x+h)^2 - 1/x^2 = x^2 - x^2 -2xh -h^2
3 answers
asked by
Amelia
437 views
What is the intergral of:
2x/[(x+1)^3] dx Can someone show me how to work to work it out please? Thanks!!
1 answer
asked by
Claire
303 views
Two brothers Sam and Matt decide to buy a new game for their Xbox.Sam is going to pay twice as much as Matt.The cost of the game
1 answer
asked by
Acacia
385 views
Three bananas cost the same as two oranges. If oranges are half the price of peaches, how many bananas could I get for the price
2 answers
asked by
Bryan
512 views
Determine the exact expression for the following.
- cos(pi/4)=(x/60) I got x=60/√2 Is that correct? Also, I had a lot of
3 answers
asked by
Lucy
425 views
Integration By substitution
ive been given this equation int x^2(x^3-6)^3 dx using u = x^3 -6 but i don't understand how to do it
1 answer
asked by
Amelia
299 views
There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of
[(y + 6)^2 = x^3 - 116 x^2
1 answer
asked by
Salman
348 views
There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of
[(y + 6)^2 = x^3 - 116 x^2
5 answers
asked by
Salman
626 views
keep getting stuck
for integrate e^(bx) cos x i get = cos x e^bx/b - int -sin x e^bx/b = cos x e^bx/b - -sin x e^bx/b^2 - int -
1 answer
asked by
Amelia
395 views
Differentiate y=(5x-2)^3(3-x)^6 using the product rule.
i don't get the step where they find the common factor could you help me
7 answers
asked by
Karoline
1,023 views
Differentiate using the product rule.
How do i get from dy/dx = d(uv)/dx = u dv/dx + v du/dx
1 answer
asked by
Karoline
366 views
Can you give me some help with this question im not sure how to even start
in a reaction A to P the mass of A at any given time T
1 answer
asked by
Amelia
382 views
Using the binomial theroem to estimate 6.07^2
ive got 6^2(1+0.01)^2 but im not sure if its right and i don't know where to go for
2 answers
asked by
loretta
455 views
Solve the differential equation:
d2y/dx2 - 2 dy/dx + y = 3sinhx The answer should be: y(x) = e^x (Ax+ B) + ( 3^8 )(2[x^2][e^x] -
3 answers
asked by
Claire
1,006 views
Two people are about to begin an 18000 km trip across Asia in a Land Rover. They know that each tire will last for exactly 12000
1 answer
asked by
Donna
358 views
q2) a) write the equation cos2x + 8cosx+9=0 in terms of cosx and show that for cosx it has equal roots
q2b) show that there are
4 answers
asked by
PLEASE ANSWER I NEED HELP CHEERS!!!!!!!!!!
1,635 views
An Investment Fund manager is required to maximise the return on a portfolio of bonds given the following information:
Bond types
10 answers
asked by
Sarah
603 views
hello
how do we convert a number into fraction for example : 1.75 = 7/4 0.111... = 1/9 .001=1/1000 how to solve that? please i
4 answers
asked by
rebecca bhutto
616 views
The following sum
[(sqrt(36-((6/n)^2))).(6/n)] + [(sqrt(36-((12/n)^2))).(6/n)]+ ... + [(sqrt(36-((6n/n)^2))).(6/n)] is a right
2 answers
asked by
Salman
769 views
How do I integrate this:
x cubed + 1 --- x to the power of -3
1 answer
asked by
Dakota
415 views
Please can you expand and simplify the following:
(2x-5)(x+3) Many thanks. Happy New Year
7 answers
asked by
Jane
501 views
A sum of money was shared among Amos, Benny and Cathy. Amos received 1/4 of the sum. Benny received 2/5 of the remainder and
2 answers
asked by
danial
669 views
Can someone help me with this...
Mr and Mrs Lim went shopping with a total of $712.50. After buying some items each, the amount
2 answers
asked by
danial
512 views
Help me pls..
Lili gave 1/4 of her money to Simon. Then Simon gave 1/5 of whatever money he had then to Lili. Later Lili decided
1 answer
asked by
Putri
420 views
Find the value of theta:
-810Cos(theta) + 135 + 2430 Sin(theta)Cos(theta) = 0 Can someone please show me how to simplify it to
3 answers
asked by
Claire
675 views
Please could I have some guidance and advice on the following question? A multiple choice question has 4 options, A,B,C and D.
3 answers
asked by
David
445 views
If z=(x^n) f(x/y), where f is an arbitrary function, show that:
x(partial z/partial x) + y (partial z / partial y) = nz Can
1 answer
asked by
Claire
459 views
If y is a function of x and z = e^z, show that:
x (dy/dx) = (dy/dz) and (x^2) (d2y/dx2) = (d2y/dz2) - (dy/dz) I managed to work
1 answer
asked by
Claire
481 views
Please help with these questions:
(please show how to do) 1. How many differently shaped rectangles, with positive integer
2 answers
asked by
Mea C
619 views
Using each of the 10 digits 0 to 9 just once, is it possible to form positive integers who se sum is exactly 100?
4 answers
asked by
Jane
1,319 views
"How old are your three children?" the maths teachers ask a former student. He is told their ages add to 13, and multiply to
3 answers
asked by
Jane
707 views
Find the area of the region which is bounded by the polar curves
theta =pi and r=2theta 0<theta<1.5pi inclusive
1 answer
asked by
Salman
373 views
Can anyone solve this eqestion ??
a line passes through (5,-2) and is parallel to y=3x find the equation of the line ??
1 answer
asked by
Amy
326 views
The length of a rectangle is 5cm more than its width, if the perimeter is 58 cm, calculate its width
1 answer
asked by
Jermaine
430 views
- In a normal pack of cards, write down the odds against picking each card.
a) a diamond b) a jack c) a red 10 d) a black picture
2 answers
asked by
Kesha
867 views
When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -10t^2 + v*t + k gives the height of
3 answers
asked by
Anonymous
690 views
When a die is rolled three times,
1. what is the probability of three no.s being all different? 2. And is the opposite of that
1 answer
asked by
Kesha
367 views
There is exactly the same number of lollies in 10 different colours in a jar. (If one lolly is picked out , the probability of
1 answer
asked by
Maria
308 views
1+tan^2(theta) divided by 1+cot^2(theta) is equal to
(1-tan(theta)}^2 divided by {1-cot(theta)}^2 plese prove it in details.
1 answer
asked by
Vimlesh
392 views
What will be the value of a and b if a^3 + y^5 + 2x^2(y^3+a)+by^3 becomes complete square.
1 answer
asked by
John Mackisom
270 views
Solve step by step
4sin^2x = 3cos^2x
2 answers
asked by
Caitlin
456 views
Hey my question is
How do we get the triangular numbers sequence ( general statement ) by the quadratic formula ? Can you shoe me
1 answer
asked by
Awmr
358 views
Increase 472 by 25% but it has to be this way : for example increase 270 by 40% would be 270/10 and x by 4 but in this case the
1 answer
asked by
Nata
336 views
What roots can I use to sketch this graph of:
y = x^4 - x^2
1 answer
asked by
Remy
269 views
When Professor Sum was asked by Mr. Little how many students in his classes, he answered. “All of them study either languages,
2 answers
asked by
Amanda
573 views
Its the old rabbit colony question using simultaneous linear and quadratic equations - and I need help:
A colony of rabbits is
1 answer
asked by
LivviC
459 views
what are the ordered pairs for the function
f(x)= 5- 4x, if the values of x are between -2 and 4
1 answer
asked by
Shequana
342 views
I am requuired to plot a graph given the linear function:
F:x maps onto 2x + 1/2 using the domain 3 is less than o equal to x,
1 answer
asked by
Shequana
1,178 views
Calculate the area of the surface bounded by the curves representing the functions f(x)=x²+6x and g(x)=4/(x-2).
Thank you in
3 answers
asked by
Anonymous
497 views
if q>0, how can u use the graph of y
=sin theta to draw the graph of y =sin theta +q?
1 answer
asked by
Angel
322 views
The line r=(2,3,4)+µ(-1,0,3) and the point (6,0,2) form which plane: (a) r.(-1,0,3)=10 (b) r.(9,10,3)=60 (c) r.(2,3,4)=29 (d)
1 answer
asked by
Anonymous
286 views
Alright I'm doing a maths review (grade 11) and on the page, the subtitle says "Quadratics" and then underneath is the
3 answers
asked by
Felicity
460 views
Alright, so I'm doing questions on exponent laws for my grade 11 math couse, and I came across one and I've no idea how to
4 answers
asked by
Felicity
1,106 views
(5-2*(6)^(1/2))^x+(5+2*(6)^(1/2))^x=98
1 answer
asked by
Anup
254 views
the histories and development of Hindu-Arabic number system and the egyptain number system?
plez.. i'm so confuse with these i
1 answer
asked by
LAy
423 views
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