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The cost of putting a fence around a square field at Rs.15m is Rs. 432, find the length of each side of the field .
2 answers
asked by
Anonymous
476 views
Arrange 9 square tiles having side of length 2 cm in 3 different ways . Find the perimeter of the resulting figure in each case
5 answers
asked by
Aanshi
1,436 views
the inside of a glass is in the shape of an inverted cone of depth 8cm and radius 4cm. Wine is poured into the glass at a rate
2 answers
asked by
Peirs
769 views
On a clear day, you can see 11.5 km in any direction from a particular lookout. If a straight road is 6.9 km from the lookout,
3 answers
asked by
Fred
465 views
A differential equation question
Find the general solution to the equation (dy/dx)^2 + sinxcos^2x(dy/dx) - sin^4x = 0 Thanks
3 answers
asked by
Peirs
676 views
Please: Differential equation
(dy/dx)^2 + sin(x)cos^2(x)dy/dx - sin^4(x)=0 Answer is y=cos(x)+c or y=1/3 cos^3(x) - cos(x) + c
5 answers
asked by
Jodis
428 views
5x / x^2+1 less then or equal to x. Please someone help help been stuck on it for a while and I have an exam tommorrow. Any help
3 answers
asked by
Fred
357 views
There are 9 girls and 11 boys on maths team 2 members get chosen for represent the school what is the probability that the 2
1 answer
asked by
Hannah
385 views
Experiments show that the concentration of substance X in a first order chemical reaction at future time (in seconds) t i.e.
3 answers
asked by
sam
590 views
find 2 numbers whose am exeeds their gm by 2 and whose hm is 1by3 of larger number
1 answer
asked by
Anonymous
281 views
In how many ways 5 letters be posted in 3 post boxes,if any number of letters can be posted in all of the three post boxes??
4 answers
asked by
Anonymous
472 views
There are 8 bicycle companies,a child likes to buy bicycle from 3 companies. In how many ways he can choose the companies to buy
1 answer
asked by
Plz help me
360 views
The market price of a box of sweets is #2800.A customer is given a 4% discount for purchasing 40 boxes.How much did the customer
1 answer
asked by
Rilwan
423 views
A rhombus has the same perimeters the circumference of a circle .If each side of the rhombus measures33cm ,find the radiusof the
1 answer
asked by
Arohi obroy
419 views
Find the polar representation of √2 -¡√2
1 answer
asked by
Nomis
333 views
Plot the three points with first coordinate equal to (-2,8) and join them
3 answers
asked by
Paul
478 views
a man had $1200 in his pockect . he lost 12 1/2 of his money and spent 70% of the remainder . how much money was left with him.
1 answer
asked by
Rasjeevan
358 views
If sec(2x)=tan(y)+cot(y). So
x+y=.......
1 answer
asked by
Kardar Adil
294 views
A plane flies northward 430 km, how far is it from its starting route.
3 answers
asked by
Anonymous
352 views
Two ships A and B left port (P) at the same time, with ship A moving due north while ship B was on a bearing of 060°. Two
4 answers
asked by
Anonymous
1,524 views
Definate intigral of Mvdv where upper limit is v and lower limit is u
4 answers
asked by
Kappu
2,070 views
The perimeter of a rectangular pentagon which has a side of 12 cm
1 answer
asked by
Ellie
322 views
A farmer finds that he can buy 5 sheep and 5 cows for $129 or 10 sheep and 17 cows for $177.how much will it cost him to buy 3
3 answers
asked by
Samama
926 views
Consider the cubic polynomial
f(z) =z3−2z+ 4. Given that z = 1 +i is a root of f(z), determine all the roots of f(z) in C
5 answers
asked by
tom
475 views
A shopkeeper bought 160 eggs for 320 naira 40 eggs were cracked he sold the remaining for 480 naira find her profit or loss
4 answers
asked by
Risen Okoro
1,960 views
Divide 110g of salt in ratio 5:8:9 what is the result?
Sol: Amount of salt: Ratio=5:8:9 Total no of equal parts=5+8+9=22 1st
2 answers
asked by
Zayaan Scher G
1,222 views
Out of 25 students 3 were absent. What percent of the students
Were absent Were present
2 answers
asked by
Jack
827 views
Solve
6x^2-17x+3=0 What is the smaller answer ? Answer -1000 if there is no real value of x that solves this equation
1 answer
asked by
Billy Bob Joe
347 views
If k>0 and the product of the roots of equation x to power 2-3kx+2e power 2logk-1=0 is 7 then sum of roots is?
2 answers
asked by
Swathi
489 views
Integration of sine square theta from 0 to 2pi
3 answers
asked by
Pooja
650 views
y1+x2=90 solve
1 answer
asked by
Karen
246 views
Construct a parallelogram AB is 8cm ABC is 120 degrees and BC is 5cm
2 answers
asked by
Lala
486 views
A certain number of children shared 42 sweets,each child got 8 sweet how many children shared the sweet?
3 answers
asked by
Joseph
511 views
Solve for following applying spherical trigonometry... 1.Papua New Guinea (37° 45'N, 122°27'W)(since course was 260°)
2 answers
asked by
Collins
498 views
A man walks at a steady course bearing 122 degrees from A to B. If A is 86 m further west than B, find (to the nearest metre)
3 answers
asked by
Fred
653 views
Two isopentagons have a t number of 119 find the describe these isopentagons and find their perimeter
11 answers
asked by
Plz help
737 views
_____ / 256 =-3
1 answer
asked by
Shruthi
324 views
The difference between the ( three digits ) greatest and smallest positive integer is ____________
1 answer
asked by
Shruthi
414 views
The product of 7 negative integers and 3 negative integers is a _________
1 answer
asked by
Shruthi
326 views
3x-4y=24 and 5x+3y=11
1 answer
asked by
Joseph
256 views
solve using cramer's rule 3m+2n=10 and m+2n=4
1 answer
asked by
john
421 views
Logb(base a)=3/2 log d(base c)=5/7 and a-c=9 then b-d=?
1 answer
asked by
Mk saini
405 views
Study the ways of risings loan to buy a car or house
2 answers
asked by
Aiman
559 views
Pinky spent 3/5 of her money on dress or a belt.The hand bag costs twice as much as the dress. The dress cost Rs.20 more than
1 answer
asked by
Bhawna singh
457 views
F(x)=3x+2
F(g(x)`)=7x+4/3 g(x)=?
1 answer
asked by
Anonymous
231 views
My mistry number
It is less than 2000
1 answer
asked by
Garima
314 views
A 4 digit number is to be selected at random from the numbers 0 to 9 with no repetition of digits. How many arrangements can
3 answers
asked by
Fred
474 views
A string of beads is made up of 5 orange and 5 black beads. If they are randomly arranged around the necklace, how many possible
1 answer
asked by
Fred
469 views
How can 15 chocolates be divided among 6 members equally ??
1 answer
asked by
Phaninder reddy
357 views
In how many ways can a comittee of 3 women and 4 men be chosen from 8 women and 7 men if two particular women refuse to serve on
3 answers
asked by
Fred
635 views
If the area of rhombus is 240sq m and perineter is 68m find the length of diagonal.
1 answer
asked by
Rahul
326 views
A group of 9 friends go into a nightclub and there is only a table for 3 and therefore the others will have to stand up. If the
2 answers
asked by
Fred
584 views
A PIN consists of 6 numbers, with no repetition of any numbers allowed. How many different PINs are possible?
I did 10 x 9 x 8 x
1 answer
asked by
Fred
403 views
In how many ways can 4 girls and 3 boys be arranged in a row so that the girls are always together? Answer: 576
1 answer
asked by
Fred
420 views
A train is moving with an initial velocity of 30m/s the brakesapplied to produce retardation of 1.5 m/s calculate the time when
3 answers
asked by
Sugandh
1,045 views
Show that each and every number is a rational number
3 answers
asked by
Monika
275 views
A plane flies northward for 430km, it then flies eastwards for 380km.How far is it from the starting point?
4 answers
asked by
DUKE
489 views
A plane flies northward for 430km, it then flies eastwards for 380km.How far is it from the starting point?
7 answers
asked by
DUKE
1,350 views
2x+y=2
3x+2y=5
1 answer
asked by
MIRACLE
296 views
in an examination 50% of the studentspassedin mathematics and 70% of studentspassed in science while 10 % students failed in
2 answers
asked by
Set launguage
688 views
Find the value of k for which x^2+4x+k it is perfect square.
2 answers
asked by
Aakash
489 views
what is Nine minus the quotient of two and a number x?
6 answers
asked by
Eshaal
6,152 views
There is a leak in the bottom of tank which can empty the tank in 8hours if a tap is open to the tank time taken to empty the
3 answers
asked by
Shivani
557 views
Show that the minute hand of a watch gains 5°30' on the hour hand in a minute
1 answer
asked by
Sonakshi
455 views
Pie=circumference of circle /
Diameter of circle Then why pie is irrational no.
2 answers
asked by
Sushma
478 views
Prove cos2x-cos2y/cos2x+cos2y=tan(x+y)tan(y-x)
2 answers
asked by
Anonymous
536 views
Population of a village in certain year is 5837.it become 8796 after two years .What is the increase of population in those
4 answers
asked by
Anonymous
415 views
Find a number such that when it is added to two-thirds of itself,the result is 70
3 answers
asked by
Diya
1,025 views
What 1 + 1 ?
4 answers
asked by
FRESH
399 views
A woman involved a sum money 8890 partly at 10percent and partly at 15percent if the total interest is 560 per annum find the
2 answers
asked by
James
533 views
The third and fourth of a geometric progression are 4 and 8 respectively. Find the first and the common
2 answers
asked by
Elvis
1,113 views
1+2+3+.....+n<1/8(2n+1)²prove by mathematical induction.
3 answers
asked by
Nami
379 views
n(n+1)(n+5)is a multiple of 3 proove it by mathematical induction.
3 answers
asked by
Titi
411 views
A tetrahedeon is a four sided object .each side or face is an equilateral rriangle . the number 1,2,3&4 are used to number the
1 answer
asked by
Sanjay
359 views
The relation f is defined by f(x)={x²,0<=x<=3,3x<=x<=10
The relation g is defined by g(x)={x²,0<=x<=2,3x,2<=x<=10 Show that f
2 answers
asked by
Rose
474 views
Thando saved R70.40 when buying a shirt at 22% discount sale.What is the cost price
1 answer
asked by
Anonymous
418 views
A photocopier enlarges by a ratio of 7:4. A picture measures 6 cm by 4 cm. How many consecutive enlargements can be made so that
4 answers
asked by
Sree
1,541 views
How do we write a fraction of numerator 2 as the sum of three unit fractions?
2 answers
asked by
Nandana
483 views
How do we write a fraction of numerator as the sum of three unit fractions ?
3 answers
asked by
Nandana
453 views
A boy spent 5/6 of his money and had 100 naira left how much did he spend
3 answers
asked by
Elijah
512 views
For Amounts between $10000 to $ 24,999 , a credit union pays a rate of
2.5% of term deposit with maturities in the 91-120 days
1 answer
asked by
Gurleen
403 views
Raman has some ducks and sheep they total number is 26 when he counted their legs the total was 72 find the number of ducks and
1 answer
asked by
Tharsha
384 views
d+1 ----- d+2 ------ --------- 2d--8 12--3d
1 answer
asked by
Perekun Hezekiah Eskayxzy
214 views
I want a full working of my first question
1 answer
asked by
OGECHI
297 views
Decimal number of 343/125 without doing actual division
2 answers
asked by
Priya
534 views
Simplify these expressions.
6 * a + 4 * a* a 5a² + 3a² + 2a how would you work it out?
2 answers
asked by
jacob
955 views
Log power of(3n-1) to base 10-Log power 2 to base 10 =3
3 answers
asked by
Ghazali
319 views
Parina spends 45% of her money on a dress and 15% on a bag.she had rs2400 left. how much she had at first?
3 answers
asked by
Sarah
466 views
Y is partly constant and partly varies as x...if y=2 x=4 and when y=5 x=8....find y when x=9
1 answer
asked by
Edward
373 views
Two cars start from opposite ends of a road,150 km apart.the first car takes the following path:
(1)goes straight on the road for
2 answers
asked by
Aeshva
534 views
if a=cos2x + sin2x and b=cos2y + isin2y.then find (a + b)
2 answers
asked by
Himanshu
555 views
Determine the area of the area of the square ABCD with AB =3cm
7 answers
asked by
Anonymous
1,572 views
A small ant climbs 5cm in 1 min and slips down 3cm .how much time it will take to climb to 6cm
4 answers
asked by
Maheen begum
1,802 views
If y=2xsin2x+cos2x, find d²y/dx² if x=2p/3 in exact value
2 answers
asked by
Hency
633 views
Am Area of 250centemetersquared was measured on a plan using a planometer.the plan scale is 1:500,calculate the ground area in
1 answer
asked by
Thabo
387 views
Wxyz is a cyclic quard. If the bisector of angle xwz and angle xyz meet the circle at point a and b resp. then prove:ab is a
4 answers
asked by
Anup
697 views
There are 6 balls numbered 1 to 6
1) what is the probability that I will draw out an even numbered ball? 2) what is the
3 answers
asked by
Sunflower
862 views
The probability of three independent events are 1/2,1/3,1/4 respectively. What's the probability that two of them will occur?
2 answers
asked by
Anonymous
548 views
The probability of three independent events occurring are 1/2,1/3,1/4 respectively. What's the probability that only two of them
1 answer
asked by
Anonymous
363 views
slove : x^2=4^x
3 answers
asked by
Rabin kaji
429 views
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