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Matt has a bag containing 12 green marbles and 8 blue marbles. Without looking, he pulls out one marbles and places it on the
3 answers
asked by
Lisa
951 views
the ratio of the number of boys to the number of girls in a class is 4:7. if there are 12 more girls than boys, find the total
3 answers
asked by
Sarah
586 views
Please help me,
Wendy went to a bakery to buy cakes and doughnuts. She spent $14 altogether on 30 cakes and doughnuts. Each cake
1 answer
asked by
J.Sarah
416 views
solution if x=cosec A + cos A and y=cosec A-cos A then prove that (2/x+y)sqare+(x-y/2)sqare-1=0
3 answers
asked by
Love
617 views
The 90 members of a sport club play at least one of the games,tennis,football and volleyball. 10 play tennis and football,19
2 answers
asked by
Suleiman
840 views
Find the highest common factor of 693 and 1365?
1 answer
asked by
Ana
399 views
Hi..Please help.
I would have $13.20 left if I buy 7 similar bottles of jam. How much money do I have if I have enough money to
1 answer
asked by
J.Sarah
329 views
Dear Friends, Please help on this problem :-
Cindy draws 3 Squares with different sizes. The sides of Square B is 3/5 the total
2 answers
asked by
J.Sarah
499 views
A boy walks1260m on a bearing of 120. How far south is he from his starting point.
3 answers
asked by
Muqthar
650 views
Tan[2*tan⁻¹⅕-∏/4]
2 answers
asked by
Aakash
804 views
Really need some help here.,
There was an I.T. Fair. 2/9 of the visitors were children. there were 4000 more adults from
1 answer
asked by
J.Sarah
504 views
Really really need some help here.,
There was an I.T. Fair. 2/9 of the visitors were children. There were 4000 more adults than
1 answer
asked by
J.Sarah
437 views
Hi can someone Help me ?
The number of cartons of juices to the number of cartons of milk to the number of cartons of soft drinks
1 answer
asked by
J.Sarah
446 views
A rectangular photo measures 18cm by 7cm. The lengths are enlarged in the ratio 2:3. What is the ratio of the original photo to
3 answers
asked by
Bam
668 views
2e6(x)=22
1 answer
asked by
olu
233 views
If it takes 6 men 4h to dig a hole 6m deep,how long will it take 10 men to dig a hole 5m deep?
4 answers
asked by
olivia
1,739 views
Hi there,
I'm currently stuck on a maths question. Find the limit as x approaches 0 for (1+sinx)^cotx I've put logs on both sides
1 answer
asked by
Ss
448 views
The slope of a curve Y = f(x) is given by dy/dx=(X-1)(x-2)^2(x-3)^3(x-4)^4(x-5)^5.
(a) For what value or values of x does y have
3 answers
asked by
Ss
449 views
Let f be a function such that f(−6)=−6, f(6)=6, f is differentiable for all real values of x and −1≤f'x≤1 for all real
1 answer
asked by
Ss
487 views
Find the absolute maximum and minimum values of the function f (x) = [x^(2/3)]*[x − 1] on the
closed interval [0, 4], and state
3 answers
asked by
Khyati
595 views
Joe has some pocket money. He spends a fifth of it. He has then £2 left. How much pocket Money did he have?
4 answers
asked by
Sana
684 views
How do you find the rule for this sequence:
3, 5,7,9,11,13...
3 answers
asked by
Aleyna
419 views
The formula to calculate the distance he runs in the n-th week
4 answers
asked by
Kgomotso
909 views
Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.
2 answers
asked by
Rahul
795 views
Carl thought of 5 numbers and told Danny all the sums that could be made by adding the numbers in pairs. The list of sums is
1 answer
asked by
Anonymous
468 views
Sue and Mary agree to play the best of three games of badminton. They stop if either of them have won two games. Over a long
2 answers
asked by
Dark
673 views
the sum of the digit of two-digits number is 12, and the units digit is twice the tens digit.Find the number.
4 answers
asked by
Ilma
638 views
Factorise 3a-27
2 answers
asked by
Nonkuleko
501 views
A salesperson earns a straight commission of 2.5% on the gross value of products sold. For what gross value of products would
1 answer
asked by
Saikat
394 views
Two poles 13m and 18m high stand upright on a playground if their feet are 12m apart find the distance between their tops
6 answers
asked by
Mona
1,321 views
The second term of a GP is 12, more than the first term, given that the common ratio is half of the first. Find the 3rd term of
5 answers
asked by
Geometric progression
1,333 views
4. Tonya is 1.3 meters tall. She stands 7 meters in front of a tree and casts a shadow 1.8 meters long. How tall is the tree?
4 answers
asked by
Tim
2,219 views
Stephanie casts a shadow of 1.2 m and she is 1.8 m tall. A wind turbine casts a shadow of 10 m at the same time that Stephanie
2 answers
asked by
Anonymous
1,250 views
the length of a rectangle L metres and the width of the rectangle is W metres. Each measurement is correct to the nearest cm.
4 answers
asked by
Graham
457 views
find the area of the region bounded by the parabola y^2= 16x and its latus rectum
4 answers
asked by
Tony
2,320 views
What does 'give your answer to the nearest whole number' mean?
For example if my answer is 67.38. what would I put? Thank you
4 answers
asked by
Anonymous
439 views
Quadratic Graphs
Y=x^2-7 These are my values can you please check X=-4 so y=9 X= -3 so y=2 X=-2 so y = -3 X= -1 so y=-6 X=1 so
1 answer
asked by
Anonymous
313 views
Quadratic Graphs
Can you please check if my values are correct? y=x^2-4x x= -4 so y= 0 x= -3 so y= -3 x= -2 so y= -4 x= -1 so y=
1 answer
asked by
Anonymous
350 views
I have 40 questions, 4 marks given for a correct answer, 2 marks deducted for each wrong answer and 1 mark deducted for for each
3 answers
asked by
Chris
617 views
A rectangular piece of card 12 cm by 20 cm
is rolled up to make atube(with no overlap)Find the radius of tube if i) the long
3 answers
asked by
aruna
724 views
Angelo shot 4 darts at a target. Three landed in area A and one landed in area B giving him a total score of 16. Dan shot 4
1 answer
asked by
LISA
405 views
In a bag there are a number of red and blue balls. The ratio of red to blue balls is 3:7.
I add 10 balls and the ratio goes to
4 answers
asked by
Emma
883 views
Hi, have completed a whole worksheet but the challenge involves finding the first five terms from the following terms:
a) 3n^2 -
3 answers
asked by
Quadratic nth terms
466 views
What side lengths could a rectangle have such that it's area rounds to 20 m squared ( to the nearest 10 )
1 answer
asked by
Paul
348 views
Jake mixes pineapple, orange and lemonade in the ratio of 1:2:4. If he has 3 parts pineapple, how much orange and lemonade does
1 answer
asked by
Rose
400 views
In the village school the ratio to boys to girls is 5:6. there are 175 boys. how many girls.
please show me full working out but
4 answers
asked by
Anonymous
518 views
I understand that the answer to this is a+b-c, but I'm not sure how to show working out for this. Any help would be great.
" O is
3 answers
asked by
Vectors
1,113 views
Question
A mixture of alcohol and water has the density 750 kg m 3.calculate the ratio in the mixture of alcohol to water by
1 answer
asked by
Alozie benjamin
496 views
How many integer solutions of x1 + x2 + … x6 = 20 satisfies 1 ≤ xi ≤ 9? (use inclusion exclusion principle)
1 answer
asked by
Anonymous
311 views
On a farm, the ratio of cattle to sheep is 3 : 5. There are 24 more sheep than catle. How many sheep are on the farm?
2 answers
asked by
cathe
783 views
Hi everyone. I've been struggling with the following maths question for a while and I'm not sure where I went wrong.
2(3x/5 - 1)
5 answers
asked by
Rissa
458 views
The first term of an AP is 12 and that of a GP is 6. The common difference and the common ratio are equal, so as are the sum of
2 answers
asked by
Andre
550 views
The nth term of a series is 2^n-1 +5n. Find the sum of the first n terms.
(Hint: This is an expression in terms of n).
2 answers
asked by
William
515 views
how many ways can 6 coins be chosen from 20, one rupee coins, 10 fifty paise coins, 7 twenty paise coins?
2 answers
asked by
Rohan
525 views
the number of non negative integral solutions of x + y + z ≤ n
2 answers
asked by
Rohan
630 views
Let f(x)= x^5-5x+3
1-Find f'(x) and f"(x). 2-Find the intervals on which f(x) is increasing or decreasing. 3-Find the local
1 answer
asked by
Haneen
482 views
In a class of 40 boys, 18 passed Business Mathematics, 19 passed Accounts, 10 passed Economics, 6 passed Accounts only, 5 passed
1 answer
asked by
Dickson
465 views
in a class of 40 boys 18 passed business mathematics, 19 passed accounts, 10 passed economics, 6 passed accounts only, 5 passed
1 answer
asked by
Dickson
499 views
if Sin=(2theta-30degrees)= Cos=(3thetas+40degrees) then what is the value of the theta
1 answer
asked by
Dickson
390 views
Find the smallest whole number n for which 126n is a multiple of 3234.
My working: 126=2x3x3x7 3234=2x3x7x7x11 lcm=2x3x3x7x7x11
1 answer
asked by
Izzah
377 views
In figure A and B are on the same side of line L. AD perpendicular to l and BE perpendicular to l. If C is the midpoint of AB
3 answers
asked by
Sarsi
435 views
A rectangle field is twice as long as its width and is surrounded by a fence 180 meters long, find the length of the field
1 answer
asked by
Keron
432 views
*There are some goats and hens on a farm. They have a total of 99 heads and leg. There are twice as many hens as goats. HOW MANY
4 answers
asked by
Ekingdeft
830 views
If length,breadth of rectangle is 3:4 ,area=6912, find dimension
1 answer
asked by
Ana
400 views
if the third term of a geometric sequence is 7, what is the common ratio?
would appreciate if u can show me the working. Thank
1 answer
asked by
Andrew
382 views
If the 6th term of an arithmetic sequence is 48, and the sum of the first 6 terms is 300, what is the first term and the
3 answers
asked by
Jane
408 views
I purchased a product that was listed at RM 2000. If a chain discount of 10%, 5% and a 2% were given and a chain discount of 5%
1 answer
asked by
Ann
440 views
If the 6th term of an arithmetic sequence is 48, and the sum of the first 6 terms is 300, what is the first term and the
1 answer
asked by
Janic
374 views
a 2 digit number is 9 times the sum of its digits .if it's ones and tens digits be x and y.write a linear equation in two
1 answer
asked by
Vishal
433 views
An arithmetic series consists of five terms; the second term is 7 and the last term is 22. write out the full series.
1 answer
asked by
Abdul
427 views
The probability of getting heads on a biased coin is 0.6. what is the probability of getting tails on this coin?
3 answers
asked by
anonymous
922 views
If you roll a dice 18 times how many 4's would you be expected to get?
1 answer
asked by
anonymous
398 views
1. Two edges PQ, RS of a tetrahedron PQRS are perpendicular; show that the distance between the mid-points of PS and QR is equal
3 answers
asked by
veeraprathap
857 views
a missile guidance system has five fail-safe components. the probability of each failing is 0.05. find these probabilities.
a)
4 answers
asked by
saima
2,169 views
College Education and Business world success R. H. Bruskin Associates Market Research found that 40% of American do not think
1 answer
asked by
saima
700 views
Tyson talked with 150 customers on his shift yesterday. Of those, 20% resulted in a successful upsell of additional purchases.
3 answers
asked by
Alana
423 views
The first, third and ninth terms of an arithmetic sequence form the terms of a geometric sequence. Find the common ratio of the
4 answers
asked by
Michael
1,548 views
What is the ratio 3:2:1 for 250kg?
1 answer
asked by
Melissa
270 views
Suppose that the reliability of a HIV test is specified as follows:
Of people having HIV, 90% of the test detect the disease but
2 answers
asked by
Susan
705 views
Hi so I'm doing some SAT practice and I'm quite lost
One of the questions says for all integers x, y, z let (x, y, z)*shaded
2 answers
asked by
Rissa
647 views
Determine the sum of arithemetic series 4+11+18+25+...+368
1 answer
asked by
Rabelani
341 views
If 15 swallows flew 380 miles south then had a rest,then flew 800 miles towards the coast. How many miles did each fly? How many
5 answers
asked by
Jim
518 views
Determine the equation of motion
1 answer
asked by
Rabelani
350 views
The numerator of a fraction is 2 less than its denominator. If 3 is substracted from the numerator and from the denominator, the
5 answers
asked by
Deron
1,591 views
A picture 40cm long and 30cm wide is surrounded by a 2cm frame.Find the area of the frame?
2 answers
asked by
Remmy
1,073 views
Solve the following simultaneous equation by substitution method 5x+y=35 & 3x-2y=14
4 answers
asked by
Anonymous
1,949 views
if a cyclist moves at 24 km h he reaches his destination 5 minutes later if he had pedal at 30 kph he reaches his destination 4
1 answer
asked by
Akash Hazra
479 views
Please help...I just can't figure it out..
Amanda, Belinda and mary share 9x packets of beads. Amanda gets x packets more than
1 answer
asked by
Sarah JJ
460 views
A sum of Rs 500 is in form of domination of Rs 5 and Rs 10 if the total number of notes is 90 find the number of notes of each
1 answer
asked by
Akash Hazra
381 views
Divide Rs 116 among 4 parts such that 5 added to first 4 subtracted from the second 3 mutltiplied by third and fourth divided by
1 answer
asked by
Akash Hazra
476 views
Divide Rs 116 among 4 parts such that 5 added to first 4 subtracted from the second 3 mutltiplied by third and fourth divided by
1 answer
asked by
Akash Hazra
401 views
Divide Rs 116 among 4 parts such that 5 added to first part 4 subtracted from the second part 3 mutltiplied by third part and
2 answers
asked by
Akash Hazra
1,040 views
A bag contains 8 coins of £1, 7 coins of 50p, 4 coins of 25p and 3 coins of 10p. How many different ways can we take 6 coins
2 answers
asked by
Hannah
491 views
e) A fair coin is tossed 6 times. What is the probability of getting exactly 2 heads? What is the mean of this experiment?
1 answer
asked by
Charles
441 views
A roll of wire is 8m 9cm long. If i cut it off into 9 pieces of equal length, what will be the length of each piece?
2 answers
asked by
Sivesh
696 views
Ques.- Solve the following system of linear equation by matrix method (inverse method) .
12p + 4q + 17r +11s = 5 14p + 8q + 9r +
2 answers
asked by
Yashi jain
539 views
Runner A speed 1km/hour
Runner B speed 2km/hour They start of at the same point at the oval.In a lap that is 500m, how many times
2 answers
asked by
Sandy
509 views
1.1what happens to the following arithemetic series if it continues indefinitely? 2+5+8+11+14+17+20+.....so S§=?
4 answers
asked by
Rabelani
359 views
At a boarding school, in the evening, 9 students always take walks in groups of 3. How can the groups be arranged so that each
1 answer
asked by
Yasmin
443 views
Write the following number in scientific notation 2 500 001
1 answer
asked by
Rudolph
446 views
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