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Two walkers set off at the same time from a crossroad and walk along flat straight roads inclined to each other at 68 degrees.If
3 answers
asked by
Shane
522 views
a big wheel of a penny farthing bicycle has a radius of 0.75m work out the number of complete turns the big wheel makes?
4 answers
asked by
sharu
696 views
Rhombus ABCD is similar to rhombus BFDE.The area of rhombus ABCD is 24 and angle BAD=60 degrees .What is the area of rhombus
6 answers
asked by
ramesh reddy
3,428 views
1. a man sells a tv for rupees 3450and makes a profit of 15% . he sells a second tv set at a loss of 10%.if on the whole he
4 answers
asked by
cutie !!! help me please
6,074 views
Expand (1-6x)^4 (1+2x)^7 in ascending powers of x up to and includeing the terms in x^3.
3 answers
asked by
Shane
639 views
The sum of a number and four times its reciprocal is 5.Find possible values of the number.
4 answers
asked by
mandy
4,470 views
there are six red balls and nine blue balls in a box.a ball is selected at random.find the probability that the ball is
6 answers
asked by
joyce Rowley
1,542 views
A circular ink blot grows at the rate of 2 cm per sec. Find the rate at which the radius is increasing after 28/11 sec.
5 answers
asked by
nandni
4,379 views
the sum of the first two terms of a GP is 28,but the sum of the third and fourth terms is 252.find the second term of the gp if
9 answers
asked by
miracle
4,485 views
If the third and sixth terms of a geometric progression are 12 and 96, then
find the number of terms in the progression, which
5 answers
asked by
Phalgun
922 views
there are 104 students in class 10th and 96 students in class 9th in a school .in a house examination the students ate to be
4 answers
asked by
ritik
2,085 views
the sides of a rectangle are 22cm and 120cm find the lenght of its diogonal
4 answers
asked by
shehzad
582 views
jemima has twice as much money as matthew. jemima has four times as much money as sally. sally has $3 more than Andrew. If
4 answers
asked by
Anonymous
1,088 views
divide 72 in to two parts such that one part is three times the other part
4 answers
asked by
shehzad
899 views
A man swim at a speed of 50m/min, swims 100m against the current and 100m with the current. if the time difference between the
4 answers
asked by
jas
772 views
the profit of a certain company is given by p(x)=10,000+350x-1/2xsq where x is the amount (birr in tens) spent on advertising.
5 answers
asked by
batise
1,022 views
The first terme of a linear sequence is 3 and the 8th term is 31.find the common difference
16 answers
asked by
linear sequence
4,996 views
A truck carrying 1000 apples loses an apple each 10 metres it travels.
How many apples will be left after it travels 600 metres?
4 answers
asked by
Anonymous
1,201 views
A bag contains 4 red, 4 blue, 4 green, and 4
yellow marbles. A marble is randomly pulled from the bag and replaced seven times.
7 answers
asked by
roma
3,024 views
A rectangular tank weighs 310kg,when it is half full of water and 450kg ,when it is three quarter full of water.What is the
7 answers
asked by
Olubunmi
3,609 views
the difference of two positive number is 69 the quotient obtained on dividing one by the the other is 4 find the numbers
7 answers
asked by
Anonymous
3,904 views
four capacitors of 2uf are connected in series the equivalent capacitance is
3 answers
asked by
mainuddin
3,231 views
I add 12 to a number and then double their sum.the result is one and the half times what I get when I double the original number
10 answers
asked by
mma
4,360 views
A cone is 6cm high and its vertical angle is 54degrees. Calculate the radius of its base.
MY ANSWER tan54=x/6(let x be the
4 answers
asked by
melody
881 views
Betty paint twice as fast as Dan. when working together Betty and Dan can paint 2400 square feet in 4 hours,another employee,sue
3 answers
asked by
Gladys
3,338 views
in Mrs. chin class 1/3 of the students drank juice. 1/4 of the remainder drank water and the others drank soft drinks.
1) what
5 answers
asked by
indira
1,497 views
Two sides of a triangular field are 120m
and 200m.If the angle between the sides is 68 degrees. find the area of the field in
4 answers
asked by
Riliwan
961 views
An aircraft takes off at an angle of 5.2 degrees to the ground.How high is it when it has moved 2000m horizontally from its
7 answers
asked by
Riliwan
1,154 views
Sule,Tayo and Uche agreed to share the expenses for an evening out in the ratio 2:3:4 respectively.Sule paid #2030 for the
9 answers
asked by
Riliwan
1,549 views
In a parallelogram ABCD, sum of two angles is 140 degree then find the measures of its acute angles
4 answers
asked by
nisha
1,794 views
In Mrs chins class 1/3 of the students drank juice, 1/4 of the remainder drank water and the others drank soft drinks
a) What
3 answers
asked by
indira
733 views
let the harmonic mean of two numbers x and y be 9.find the harmonic mean of the four numbers x,y,2x,2y
4 answers
asked by
john
636 views
find the coordinates of the points where l cuts the axes.
line equation l is 5+y-2x=0
3 answers
asked by
orla
729 views
Between 1200 and 1300
3 in the tens place Even Numbr One digit is repeated
6 answers
asked by
shamil
1,892 views
The side of a rectangular floor are x and (x+7).The diagonal is x+8.calculate in metres
a.the value of x b.the area of the floor
6 answers
asked by
frimpong
1,820 views
Sipho is 6 years older than betty.In 3 year's time sipho will be twice as old as betty.How old is sipho now
3 answers
asked by
mpho
897 views
sinA+cosA=p and secA+CosecA=q
then show that q[p^2-1]=2p
5 answers
asked by
kumar
2,717 views
Rob is twice Joshua’s age. Nick is 5 years older than Joshua.
The sum of all their ages is 45. How old is Nick?
6 answers
asked by
josh
2,705 views
a triangle is such that the first side is twice the length of the second side. The third side 4m long. if the perimeter of the
4 answers
asked by
suleiman
1,498 views
Find the quotient of
1 5 6 ÷ 2 1 8 Give your answer as a fraction in its simplest form.
7 answers
asked by
Anonymous
2,113 views
If a sum of money is divided equally among 36 persons, they will get ₹ 25 each. How much money would each get, if the number
5 answers
asked by
Anonymous
2,021 views
A pendulum of length l metres takes t seconds to complete one full oscillation. The formula for T is:
T = 2π √(l/g) Where g
4 answers
asked by
sam
1,108 views
if x and y are positive real numbers such that x.[x] = 36 and y.[y] = 71,then x+y is equal to which number.[.]denotes the
3 answers
asked by
singh
1,015 views
from a window 25m above a street, the angle of elevation of the top of a wall on the opposite side is15°.If the angle of
6 answers
asked by
jack
1,480 views
log base 2 log base 2 log base 3 27 to the power 3
4 answers
asked by
sukritbala
482 views
Denzel wants to rope off a 800 m2
rectangular swimming area using the beach as one of the sides. What should the dimensions of
4 answers
asked by
radha
239 views
If you have 4000 birr today and you want to deposit it in a bank that bears 5% compounded quarterly for 3 years, how much birr
3 answers
asked by
zulfa
126 views
For the formula Y = AX + B
to make X the subject wod it be X = AY – B ?? no ax+b=y subtract b from both sides, then divide both
4 answers
asked by
R
1,567 views
each of the students in a class writes a dirrerent 2 digit number on the whiteboard. the teacher claims that no matter what the
4 answers
asked by
Emma
1,672 views
The fifth term of a linear sequence is 17 and the third term is 11, Find the sum of the first seven terms
4 answers
asked by
De-Graft
1,093 views
Starting from one oasis, a camel walks 25km in a direction 30 degrees south of west and then walks 30km toward the north to a
5 answers
asked by
christine
12,940 views
if alpha and bita are the zeroes of ax^2+bx+c then evaluate alpha^4+bita^4
4 answers
asked by
keshav
1,380 views
show that the lines x^-4xy+y^=0 and x+y=1 form an equilateral triangle and find its area
3 answers
asked by
prateek
934 views
The radius of a blot ink is increasing at a rate of 1.55mm per seconds.find the rate at which the area is increasing after 4
3 answers
asked by
Kingsley
787 views
Three points A,B and C have coordinates (1,0),(4,4) and (13,5) respectively.
1.By how many units does the length of AC exceed the
3 answers
asked by
ceasar
584 views
You get a wage increase of 5% plus an extra five pounds per week. Your present wages are 250 pounds per week. What will your new
4 answers
asked by
oj
706 views
if alpha and beta are the zeros of the polynomial 2x^2-4x+5 then find the values of
(i)alpha^2+beta^2 (ii)1/alpha^2+1/beta^2
4 answers
asked by
echo
2,673 views
Ten blackberry plants started growing in my yard. Absent constraint, blackberries
will spread by 200% a month. My yard can only
4 answers
asked by
mary
3,360 views
Divide the product of 5/9 and minus 6/5 by their difference
4 answers
asked by
shefeena
2,384 views
a cook goes into the store room & take out 1/6 of rice from a 72 kg sack.if he uses 2/3 kg of this rice each day,how many days
4 answers
asked by
Rine choudhary
1,001 views
(Sin^3x-cos^3x)/(sinx-cosx) – cosx/sqrt(1+cot^2x)-2tanxcotx=-1 where x∈(0,2pi)
general value of x.
3 answers
asked by
anil jha
1,927 views
prove by mathematical induction that 7n+4n+1 is divisible by 6
5 answers
asked by
GEMMA
1,234 views
A cylindrical vessel without a lid is made from a sheet of metal . Find the area of the metal required if the length of the
4 answers
asked by
tuhituhi
1,166 views
Find the mass of a hollow sphere of lead,with external diameter 10 cm and thickness 2 mm,if 1 cm^3 of lead weighs 11.4 gm.
4 answers
asked by
Anonymous
1,418 views
A statistician wants to estimate the mean weekly family expenditure on clothes. He believes that the standard deviation of the
4 answers
asked by
sarah
1,284 views
if 8 labourers can earn rs.9000 in 15 days.how many laboures can earn rs. 6300 in 7 days?
9 answers
asked by
tuhituhi
5,803 views
the masses of lettuces sold at a market stall are normally distributed with the mean 600g and standard deviation 20g.
1) find the
3 answers
asked by
harish
820 views
a roofer charges $25 per hour for himself and $15 per hour for his assistant. On a recent job the assistant worked 2 hours less
2 answers
asked by
nick
573 views
Calculate the arc length that subtends an angle of 55 degree at the centre of a circle with radius r = 5cm.
4 answers
asked by
Shane
1,937 views
Our baseball team lost 9 games this season. This was 3/8 of all they played. How many games did they play this season?
5 answers
asked by
asfa
2,828 views
what number is 6.24 greater than 12
3 answers
asked by
titilope
321 views
One pump fills a tank two times as fast as another pump. If the pumps work together they fill the tank in 18 minutes. How long
4 answers
asked by
Tim
2,691 views
A rope AB attached to a small block of neglible dimensions and passes over apulley C so that its free end hangs 1.5 metres above
3 answers
asked by
ramya
1,422 views
i am a two digit number above 50. the sum of my digits is 12. and the difference of my digits is 4. who am i?
5 answers
asked by
maths
1,590 views
calculate the total surface area of a solid cone of slant height 10cm. use the value 3.14 for radius
5 answers
asked by
Edward
1,841 views
find 2 numbers whose sum is 64 and product is 960
3 answers
asked by
gghhjkk
710 views
the area of trapezium is 276cm2 and its height is 24cm.if one of its parallel side is longer than other by 7cm.find the length
4 answers
asked by
ravi
1,374 views
find the number of revolutions taken by the wheel of a truck to cover a distance of 78.5 km if the diameter of the wheel is 1m
3 answers
asked by
shehzad
1,022 views
Sid and Libby are planning to sell pies
at a local fair. They spend $200 to rent a table at the fair. Their costs for
6 answers
asked by
Anonymous
1,792 views
express 40% of right angle into radian measure.
express two third of straight angle into radian. express sum of angles of a
5 answers
asked by
samantha
2,397 views
There are 21 rows of seats in an amphitheatre. Each row has 4 seats more than the row in front. The last row has 100 seats. How
3 answers
asked by
richa
1,488 views
from a point R,300m north of P,a man walks east wards to a place Q which is 600m from P find the bearing oF P from Q,correct to
3 answers
asked by
Ijeh Evans
700 views
a gardener has to put double fence all around a triangular path with sides 120 metre,80 metre,and 60 centi-metre.in the middle
2 answers
asked by
bindhaya
727 views
What is the sum of 4x dollars and 4x cents. Express your answer in cents .
5 answers
asked by
Bobby
1,417 views
here is another.A spherical tank of diameter 3m is filled wit water from a pipe of radius 30cm to 0.2m/s.calculate an corcet to
3 answers
asked by
anthony
574 views
A shop is sending out a bill for an amount less than #100.the accountant interchange the two digits and so overcharage the
13 answers
asked by
edward
902 views
if 2-5t;1-t;t+1 are the first 3terms of an infinite converging geometric sequence,determine the values of t
3 answers
asked by
molwantwa
410 views
express the ratio of 4.50,3.60,1.80 init's simplest form
4 answers
asked by
John suno
1,205 views
collect marks of 10 of your classmates in different subjects in the recent examination. estimate the arithmetic mean of marks in
4 answers
asked by
mudassir
1,510 views
Suppose that a state university has to form a committee of 5 members from a list of 20 candidates out of whom 12 are teachers
6 answers
asked by
sam
2,012 views
convert the following into numerical scales RF?
1)2 cm to 5 km
4 answers
asked by
shishir
1,888 views
solve using substitution& elimination method 2x/5+3y/4=5;3x/10+5y/8=8
1 answer
asked by
nandhini
376 views
the sum of a non-negative number and its square is lessthan 12. What could the number be?
7 answers
asked by
altesa
1,921 views
1. A train was travelling at an average speed of 80km/h. If the train began a journey of 200km at 4.35pm, at what time did it
4 answers
asked by
hazel
1,417 views
a bicycle wheel has a diameter of 42 cm.how many revolutions will it make to cover a distance of 13.2km
4 answers
asked by
daniel
1,716 views
if the 8th term of an AP is 37 and the 5th term is 15 more than the 12th term. find the AP. hence find the sum of the first 15
3 answers
asked by
manisha
3,142 views
Find angles between a vector and b vector if a vector + b vector + c vector = 0, a vector magnitude = 3, b vector magnitude = 5
3 answers
asked by
jenisha dangal
394 views
the ratio of area of two rectangles field is 25/9
(a)find the ratio of their length (b)the small field is 20m long find the
4 answers
asked by
Amina
1,159 views
Solve the quadratic equation ax2+bx+c=0 using the completing the squares
2 answers
asked by
salz
710 views
A) In an arithmetic progression the sum of the first ten terms is 50 and the fifth term is three times the second term
(1)
4 answers
asked by
oliver
1,795 views
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