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Maths
Page 9
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Josh has a bag of marbles. If he puts them in groups of 7, there are 5 marbles left over. If he puts them in groups of 8, there
1 answer
asked by
Debbie
92 views
The 4th term of an A.P is 96 while the 25th term is 173 find sum of 3rd term and 6th term and product of 6th and 10th term
3 answers
asked by
Arithmetic progressive
155 views
I have some money. I spend half at the bookshop, a quarter at the supermarket and an eighth on sweets. I have £3.25 left. How
3 answers
asked by
Moayad
90 views
A car travels 42km on 7 litres of petrol how far will it travel on 12litres
4 answers
asked by
Joshua
135 views
The 6th term of a GP is 2000.find its first term if it common ratio is 10.
3 answers
asked by
Divine
81 views
Find the number of terms of the Arithmetic progression 4+6.5+9+11.5+... needed to make a total of 126
1 answer
asked by
Tim
59 views
Mpho save R14.50 for the first six months of the year and R16.50 at the beginning of the 7th month until the rest of the year
2 answers
asked by
Nosipho
155 views
In bicycle race kojo covered 250m in 60s. Ebrima covert 300m in the same time interval what is radio of ebrima distance to kojo
4 answers
asked by
Foday Touray
249 views
87390 rounded off to the nearest 10
2 answers
asked by
Soso
75 views
321409 to nearest 100000
3 answers
asked by
Chole
117 views
6823617 to nearest 100000
1 answer
asked by
Chole
138 views
976315463 nearest 100000
4 answers
asked by
Chole
112 views
Flag of red and green peppers the ratio of red peppers to green papers as 3 is to 4 if the truck containing 120 green peppers
4 answers
asked by
Otlotleng
132 views
The cost of cementing a floor 12m by 12m is N9.60. What would be the cost of cementing a floor 24m by 24m at the same rate?
Show
3 answers
asked by
Precious
114 views
A rectangular tank weighs 310kg, when it is half full of water and 450kg, when it is three quarters full of water. What is the
3 answers
asked by
Precious
109 views
Lucas cycles at 12 kilometers per hour.if he cycles for 48km,how long would it take him?
1 answer
asked anonymously
102 views
In a school the ratio of boys to girls is 9:4 if there are presently 720 girl students home many more girls would it take to
1 answer
asked anonymously
130 views
The highest number that can divide 768 and 524288
4 answers
asked by
Favour
79 views
The distance between Lagos and Ibadun is 120km. A driver took 45mins to cover the distance. What was his average speed km/h
Show
3 answers
asked by
Precious
85 views
Bricks have a mass of 1.75kg each. How many bricks are there in 21/4tonnes
3 answers
asked by
Jonah
74 views
4 boys can scrub the whole floor of a school hall in 2 and 1/2 hours. How long will it take 5 boys to scrub the floor at the
1 answer
asked by
Precious
85 views
Say whether the following is true or false. If true, prove using mathematical induction. If false, give a counter-example.
4 answers
asked by
Sinachi
106 views
The Gcd and lcm are 6 and 1080 respectively if the two numbers are 72 and 60,find the third number
1 answer
asked by
Victor
90 views
Multiply the edge lengths of a right rectangular prism with the length of 1/2 m width 1/4 m and lenght 5/4 cm to show that the
4 answers
asked by
Shrek lvr
257 views
Express the following quantities as an ordinary decimal number:
a) The sun has a diameter of 1.392 * 10^6 I get 1392000. b)
1 answer
asked by
David
608 views
Calculate the output of a tidal barrage in mega watts if the basin is 30km2 and the tidal range is 6m.
E = PA R^2g/2 P = 1020Kg
1 answer
asked by
jason
493 views
If cosec A – sin A=a3 , sec A – cos A =b3 , prove that
a2 b2 (a2 + b2)=1 Since the first two equations involves two constants
1 answer
asked by
Manmeet singh
703 views
is it possible to find a sequence with the ruleadd four for wich
all terms are multiples of four and eight all terms are even
1 answer
asked by
Carla
511 views
A group of students were asked some questions about how they travelled to school. 1/2 of them said they walked. 1/3 of them said
2 answers
asked by
Katie
698 views
I need to solve these anagrams of famous mathematitions
PHRYGATOAS ADSHERECMI TFMARE GABBEBA COBFIICAN GHETGNINLAI LUDECI PRANIE
1 answer
asked by
Cherish
639 views
3x + 1 < -2
subtract one from each side, then divide both sides by three. first you need to look at each side of what ever your
1 answer
asked by
Jess
380 views
Write the following expression into its simplest form?
(1/x-1-1/xsquare-1-1/x+1-4/xsquare+1)/ xraise to 4/xsquare-1 Let's use the
1 answer
asked by
Nawaf
981 views
Express 10sin(ƒÖ.t+ƒÎ�€4) in the form AsinƒÖ.t + BcosƒÖ.t
1 answer
asked by
paul c
361 views
wHAT IS A TRIANGLE WITH TWO SIDE EQUAL CALLED?
isosceles triangle Isosceles Triangle
1 answer
asked by
Samantha
411 views
solve the equation:
4cos2*theta + 3cos*theta + 3 = 0 for values between 0 and 180 degrees If that is cosine squared in the first
1 answer
asked by
Raul
465 views
I have to write a detailed description of HARMONY,DISSONANCE + COUNTER MELODY.
please help i don't know what to write Try the
1 answer
asked by
David
581 views
Demand function P=50-Q
Average Cost 5Q + 40 +10/Q Calculate the firm's total cost function Find the marginal cost function and
2 answers
asked by
Jen
849 views
1) Factorise x2 -6x +8 (the 2 is squared)
2) Hence solve this equation: x2 -6x +8 = 0 Also, what would the line look like on a
1 answer
asked by
Amy
685 views
How do I write arcsin4 in the form a+ib. I know the answer but do not Know how to get to it
Take sinus of both sides: 4 =
1 answer
asked by
Jake
359 views
given (e^x)sin3x = Im((e^x)(e^i3x)) Integrate (e^x)sin3x.dx
You can just take the imaginary part of the integral of
1 answer
asked by
Tom
526 views
use the formula
cos(x+iy)=cosxcosiy-sinxsiniy to find two imaginary numbers whose cosine is 3 cos(x+iy)=cosxcosiy-sinxsiniy =
1 answer
asked by
Tom
591 views
Given that arg((z-1)/(z-2i)) = pi/4 describe the locus of P and sketch this on an argand diagram. Show that the point (1,3) lies
2 answers
asked by
Jake
893 views
Given that arg((z-1)/(z-2i)) = pi/4 describe the locus of P and sketch this on an argand diagram. Show that the point (1,3) lies
1 answer
asked by
Jake
539 views
Given that arg((z-1)/(z-2i)) = pi/4 describe the locus of P and sketch this on an argand diagram. Show that the point (1,3) lies
1 answer
asked by
Jake
542 views
How do I work out the square root of a number?
it's simple. - you can use your calculator or use perfect squares to solve one.
1 answer
asked by
Greg
944 views
Find tan(3 theta) in terms of tan theta
1 answer
asked by
Jake
378 views
What is surface area and how do you work it out?
Surface area is the area on an object. How one works it is dependent on the
1 answer
asked by
Sarah
620 views
For the transformation w=z^2, find the locus of w when z lies on the imaginary axis.
I thought the locus would be a line along
1 answer
asked by
Jake
407 views
One tenth kilogram of Argon is contained in a piston-cylinder assembly. Initially at 4900 K and a volume of 40 liters, the gas
1 answer
asked by
Gary
455 views
f=p(c-1)-c(p-1)
sOLVE FOR p f=pc-p-cp+c pc - cp = 0 So now we have f = -p+c Move "p" by itself. f-c = -p Now we multiply each
1 answer
asked by
Rachel
508 views
John leaves point A to travel 360klm and Joanne leaves point A 40 mins later and her cars speed is 18klm per hour faster than
1 answer
asked by
Fiona
474 views
if 0<a<2pie then the equation sin(a)=2 has how many solutions?what are they? Justify your answer.
This makes no sense to me.
1 answer
asked by
T_om
368 views
Solve this equation fo rx in the interval 0<=x<=360
3sinxtanx=8 I would do it this way: sinxtanx = 8/3 sinx(sinx/cosx)=8/3
1 answer
asked by
Edward
859 views
There are x people in the bus. When the bus stops y people get off and 6 people get on. How many people are yhere now on the bus
1 answer
asked by
Fahad
658 views
Can someone give me the checkpoint exam topics that are required for a student to revise
Please give us more and clearer context
1 answer
asked by
Fahad
459 views
Hi
Can someone give me a help in finding maths quiz websites for Ket Stage 3
1 answer
asked by
Fahad
385 views
you have to solve the following by finding the value of x and y. can u help please?
x+3(x+1)=2x 1+3(x-1)=4 2x-2(x+1)=5x
1 answer
asked by
number 420
542 views
Please Could someone tell me what:
1. A square number is 2. A cube number is 3. A triangle number is Thank you Square numbers are
1 answer
asked by
sean
486 views
The famous mathematicians,their life and contribution in the field of mathematics.PLZ help.
The list of famous mathematicians is
1 answer
asked by
julie
539 views
If I have two tickets for a football match. this represents 0.00005 of the total tickets sold. How many tickets were sold ?
2 is
1 answer
asked by
QAE
445 views
Hi
How can we get an equation for a straight line cause I went in many websites and nothing suited me thankx The equation for a
1 answer
asked by
Welsh
350 views
Can you please help explain how to get the answer to 3/x = 2/5
thanks a heap 3/x = 2/5 Multiply both sides by x (to get rid of
1 answer
asked by
Marnia
295 views
Hi, can someone give me the answer to this question:
secA-tanA=1/4. Find cosA I got: CosA=4(1-sinA) Is my answer good? Now
3 answers
asked by
Shym
795 views
Fred said,"Each of my sons has twice as many sisters as he has brothers and each daughter has the same number of brothers as she
2 answers
asked by
Jared
1,008 views
2 men and 2 boys want to cross a river. None of them can swim and they have only 1 canoe. They can all paddle but the canoe will
2 answers
asked by
Jared
543 views
Hello
how do we get the resultant force of a vector id the the forces were in different directions ? and how do we use the
1 answer
asked by
Acer
441 views
i have an answer but im not sure if its right would you tell me please and show me the steps of how to work through the question
1 answer
asked by
Spirit
391 views
How would I find the vertex of the parabola y = x^2 – 2x + 4 ??
could some one explain the method to me ?
1 answer
asked by
tim
312 views
There are two boxplots, 1 of class A and the other of class B. they both illustrate the height of sunflowers grown in metres.
Cla
1 answer
asked by
T
436 views
Carlos is training for the Olympics. His first training session lasted for one hour and he increases each training session by
1 answer
asked by
Jared
811 views
What are bearings?
Bearings are things that surround rotating shafts to reduce friction and wear. The word "bearing", as in
1 answer
asked by
Fred
1,065 views
What is a three-figure bearing.
Since this is not my area of expertise, I searched Google under the key words "<I>three-figure
1 answer
asked by
Fred
463 views
a theory about moth navigation is that moths fly at a constant angle relative to a light source.
a particular moth flies at 50
2 answers
asked by
Pauline
660 views
How can you get 6666 on a calculator without touching the 6 button?
How many different ways can you do it? By adding and
1 answer
asked by
JaredN
345 views
Alvin and Eddy shared some stamps. Rachel has 2/9 of the total stickers. If Serene has 42 stickers, how many stamps do they have
1 answer
asked by
Danial
454 views
We have to design a way of simulating the situation.
Cars driven on the road must have a current warrant of fitness and be
1 answer
asked by
kate
435 views
"slow drivers" contribute to road rage problems and the police officer noticed that 2 of the 150 drivers in her survey caused
1 answer
asked by
kate
469 views
A police officer gathered data on the speeds, in kilometres per hour (km/h), of some cars as they drove down hill towards her
1 answer
asked by
kate
473 views
If there are 25 bags each weighing 40kg
and it costs Rs.2755.Find,cost of 36 such bags each weighing 45kg?
3 answers
asked by
Vipin
487 views
Some children were sharing oranges. If each child took 3 oranges, there would be 2 oranges left over. But if each child took 4
3 answers
asked by
Ben
1,219 views
38, 39, 40, 41, 190, 240, 241
What is the next number> Does anyone know where I can learn about breaking this type of code online
4 answers
asked by
Jenny
407 views
This is part of the indices section, how do you work it out please:
(8/27) to the power of 2/3
1 answer
asked by
Tasha
365 views
What is 725 divided by 32
1 answer
asked by
Gary White
348 views
Could somebody help me with this Maths squence 2N + 2, 3N - 1 , 10N + 6
3 answers
asked by
Robert
367 views
The Full question is
Write down the first five terms for these rules a) 2n + 2 b) 3n - 1 c) 10n + 6
3 answers
asked by
Robert
310 views
bobpursley have I got the answer right to this sequence question 3n - 1
answer 2,5,8,11,14,
1 answer
asked by
Robert
301 views
If a million is 10 to power 6
and a Billion is 10 to the power 9 what is one million billion in powers to 10 is it 10 to the
1 answer
asked by
Billy
412 views
How do we caclualate 10 * 9 \ 1
One time in the lower bounds giving it the the nearest whole no. Another in the upper " """""""
1 answer
asked by
Mo
312 views
calculate the upper and lower bounds of the following calculations given that each number is written to the nearest whole number
1 answer
asked by
Disney man
330 views
Simplify the following:
(�ã3 - �ã2)^2 The answer has to be 5-2 �ã6 Can anyone please explain? Thanks
3 answers
asked by
Claire
729 views
what is 7twelths+3eights?! Sorry bout my spellin and that, bit scruffy, but plz cud sum1 help me, thanks so much, byexxx
1 answer
asked by
Emily
348 views
I need to rearrange this equation to find x in terms of y and t, in its simplest form. Can anybody help me.
y(y-x)=3t(3t+x)
1 answer
asked by
Rose
390 views
if sqrt(y)=(arctan)tan-1(x), show that (1+x^2)dy/dx((1+x^2)dy/dx)=2
1 answer
asked by
NGOFAKA
431 views
3 part question.
1. 4 peaches and 3 grapefruit cost £1.30. Write down an algebraic equation to illustrate this. 2. 2 peaches and
3 answers
asked by
Gavin
1,155 views
What's the answer for x^2-2x+3 and 2x^2+9x+4?
1 answer
asked by
Justin
377 views
In a family of four children, what is the probability that there are at least two girls if the eldest child is a girl?
a)15/16
3 answers
asked by
Audrey
740 views
Resolve into partial fractions:
(x+3)(x+1)/ x(x^2+x+1) Can anyone please help me out?
3 answers
asked by
Claire
537 views
the speed of light is 3 * 10^ 8m/s. Jupiter is 778 million km from the sun. Calculate the number of minutes it takes for
3 answers
asked by
YOYO
1,599 views
Write down the equation whose roots are:
i) two more than ii) the square of iii) three times as much as the roots of the equation
1 answer
asked by
Claire
484 views
If we have
p^2+p^3 how can it be simplified ?
1 answer
asked by
ASD
285 views
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