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Posts by kelvin

Total # Posts: 159

math
find the next number in the following sequence; 3,5,7,11,_ #anyone to help me plz #

math
9 men dig a farm for 5 days.How many days will 6 men take into finish the same farm?

math
ms sue i knew the prime numbers between that gaps are 23 and 29. The problem is the question in which it required to find the difference so which value will be subtracted from another

math
Find the difference between the sum of even numbers between 100 and 110 and the product of prime numbers between 20 and 30. #anyone to help me out

math
i need your help guys #A fruit vendor bought 600 apples for $ 4800. He spent $ 400 on transportation. How much should he sell each to get a profit of $ 1000?

math
1A56B is a five digit number. When 1A56B is divided by 36 the remainder is 23. How many possible value can A take? #anyone to help me out

math
Find the ratio of LCM to GCF of 9,18 and 52 #anyone to help me please

math
I need anyone to help me please# Cecilia travelled a distance of 24 km at a speed of 18 km per hour. She rested for 30 minutes and then she complete the remaining 6 km at a speed of 20 km per hour. How much time did she use to cover this distance.

Social Sutdies
What are answers to week 26 for forth grade

math
A cow is tied with a rope of length 14 m at the corner of rectangular field measured 20 m by 16 m. Find the area of the field in which the cow can graze. #anyone to help me with proper and systematic step by step solution

math
a car traveled to and back home for 2 hours.if the speed was maintained constant at 30 km per hr.Find the distance in which a car traveled? help me ms sue

math
find the square root of 21

math
write zero in roman numeral.

math
time taken = 10 am - 8 am = 2 hrs distance won't change so Distance = speed multiply time. 50 times 2 =100 km then time taken 100 divide by 40 = 2 hrs 30 min so from 8 am add 2hrs 30min =10:30 am

math
Find the cost of buying 4 dozen of exercise books at sh 6000 per dozen,a half dozen of pencil at sh 2050 per dozen,5 dozen rulers at sh 3600 per dozen #i need anyone to help me please# and in case someone has such type of questions,i am kindly need for practice *Thanks for the...

math
Dallas was given a discount of 10 percent of the following items: 1/1/4 cartons of exercise books @ sh 42000 per cartons,ten cartons of pens sh 22000 each.How much did he pay all together after the discount of 10 percent? *I need anyone to help me please* And in case someone ...

math
Dallas was given a discount of 10 percent of the following items: 1/1/4 cartons of exercise books @ sh 42000 per cartons,ten cartons of pens sh 22000 each.How much did he pay all together after the discount of 10 percent? *I need anyone to help me please* And in case someone ...

math
ms sue thanks for the help in case of questions I searched but I didn't get any so if you have a website or any other sources of such questions may you inform me please

math
Find the cost of buying 4 dozen of exercise books at sh 6000 per dozen,a half dozen of pencil at sh 2050 per dozen,5 dozen rulers at sh 3600 per dozen #i need anyone to help me please# and in case someone know where i can get such the questions,i am kindly need for practice *...

math
can you take 36000 + 480000 after that to fulfill the requirement of questions or it is wrong?? @Anonymous

math
A woman deposited Tsh 480000 in CRBD which charges an interest of 15% per annum.How much did she get after six months?# anyone to help me plz#

math sets
out of 320 students at a university,190 taking math,235 taking chemistry and 120 taking physics.125 are taking both chemistry and math,95 taking both chemistry AND PHYSIC,55 TAKING BOTH MATH AND PHYSICS.HOW MANY ARE TAKING ALL THE THREE SUBJECTS

braindrain
some have more than 100 some none but matiangi has two

math
a boy spends 3/8 of his money on food and 2/5 of the remainder on books, and had $15.how much did he have

MATH
If vector a + vector b + vector c = 0.and magnitude of a = 3,magitude of b = 5 and magnitude of c = 7.Find the angle between a and b?please anyone to help me i have exam tomorrow

English Riddle
cap

chem
A sample of H2(g) expands adiabatically and reversibly from a state 1 where p1 = 200000Pa,V1 = 0.002m3 and T1 = 300K to a state 2 where V2 = 0.004m3.Assume the gas to behave as an ideal gas calculate the final temperature and its pressure.Use the constant value,Cp = 28.8 j/...

math
how about the time because from interest,I = prt

math
When the rate of interest in the bank is increased from 5% to 6% per annum,Gerald deposits Tsh 12,000 more into his account.If annum interest now received by him is Tsh 1100 more than that before,find his original deposit.**please anyone to help me with the solution***

Math
thanks for your solutions @steve and reiny

Math
Joseph deposited a certain amount of money.He earned one over nine of its principal at the number of years equal to the rate provided.Find the interest rate provided.**i need your help guys+++

Chemistry
The molar enthalpy of combustion of demand is -6.78KJ/mol.What mass of decane would have to be burned in order to raise the temperature of 500ml of water from 20 degrees Celsius to 55 degrees celsius. I tried using ndeltaH=mcdeltat. But it didn't work. Please help

Math
Mabatini primary school sold to a nearby school a third of her sacks of beans harvested last year,and used one over four of the remaining for food.If the remaining sacks were sold to the pupils at the price of 8000 shillings each,and thus giving the total amount of 216000 ...

Math
Ten years ago the age of Mukajange was one over five of that of his father then.Five years to come the age of Mukajange will be a half of that of his father.Find the present age of Mukajange.#####Please any one to help me

MATH
Fupi used 0.2 of his salary,sh 32,800 per month for school fees,quarter of the remained amount,he deposited at the bank and the rest amount used for other expenses.How much were used for other expenses?******************To my side,i solved like this tell me whether i am ...

MATH
Fupi used 0.2 of his salary,sh 32,800 per month for school fees,quarter of the remained amount,he deposited at the bank and the rest amount used for other expenses.How much were used for other expenses?******************To my side,i solved like this tell me whether i am ...

math
Fupi used 0.2 of his salary,sh 32,800 per month for school fees,quarter of the remained amount,he deposited at the bank and the rest amount used for other expenses.How much were used for other expenses?#########To my side,i solved like this tell me whether i am correct or not...

math
Fupi used 0.2 of his salary,sh 32,800 per month for school fees,quarter of the remained amount,he deposited at the bank and the rest amount used for other expenses.How much were used for other expenses?#######please anyone one to help me with the solution***************may i ...

math
To my side,i solved like this tell me whether i am correct or not........................ 0.2 of his salary is for school fees in which the school fees = 32,800.let the salary be y then, 0.2 × y=32,800 which gives the value of y as the salary =164,000.Quarter of the ...

math
may i assume 32,800 as the school fees that can be correct mr.Reiny?

math
Fupi used 0.2 of his salary,sh 32,800 per month for school fees,quarter of the remained amount,he deposited at the bank and the rest amount used for other expenses.How much were used for other expenses?please anyone one to help me with the solution

maths
A plane leaves an airport x,20-60E and 36-80N and flies due south along the same longitude for 8hours at the rate of 1000km/h to another airport Y,20-60E and titaS.the plane then flies west to another airport Z for 8hours at the same speed. Calculate to the nearest degree (a) ...

math
The average age of 24 pupils is 15 years while the average age of 16 pupils is 14 years.What is average age of 40 pupils in a class?please i need anyone to help me

math
it comes 14.6 years do i suppose to write that answer or i should approximate to 15 years because there is no decimal or fraction years

math
thank @ms sue help me out this one also............The average age of 24 pupils is 15 years while the average age of 16 pupils is 14 years.What is average age of 40 pupils in a class?

math
Marium travels a distance of 8 km everday to and from the school.What is the total distance will she travel for 40 days? i need a help please

algebra help
from x-y=0 then x=y.substitute into x-2y=6 it will be y-2y=6,which y= -6 and since x=y then x= -6

math
find the next number in the following sequence 110,98,87,71,___ please i need someone to give an answer

Math
tuesday because it will be second day after the two weeks

math
if the total surface area of a pipe is 396 cm^2 and its height is 14 cm.find the diameter of the pipe.any one to help me please

math
are we counting 17th as day one till 4th as the day last or we are starting 18th as the day one.@Ms.sue

math
Gillian did not attend to school from 17th january 2012 to 4th february 2012.How many days did Gillian miss the school?please anyone to solve it and show clear solution

Math
Brianna is a flight student and is in the process of acquiring her private license in a Solo flight she uses a single engine airplane and travels a distance of 15 meters before takeoff in the air she travels at an approximate rate of 27 m/s on there no wind conditions use an ...

math
@Ms.Sue

math
i thought the question require the total value which is 0.02

math
what is the value of 2 in 36.325.#any one can answer this#

math
what is the value of 2 in 26.325.#any one can answer this#

math
Greetings telegram on special code:50cts Ordinary telegram costs sh 3 for 10 words ,each extra word at 30 ct. Find the cost of the following telegram. CHARLES MUSHI BOX 123 MUSHI WISHING YOU A MERRY CHRISTMAS PETER JOHN #The problem is on greeting telegram and ordinary ...

math
then you should add cost for first ten words plus cost for extra 3 words plus cost of greeting telegram code which is 50 ct??? 3 sh +3*30cts+50cts am I correct?

math
The problem is on greeting telegram and ordinary telegram.there are 13 words so how can i apply the rate of charges

math
Greetings telegram on special code:50cts Ordinary telegram costs sh 3 for 10 words ,each extra word at 30 ct. Find the cost of the following telegram. CHARLES MUSHI BOX 123 MUSHI WISHING YOU A MERRY CHRISTMAS PETER JOHN. #how can i arrive to the answer,i need your help#

math
so the water will not wet one of the base area of the cylinder since you said lateral area and the formula is 2*pie*r*h

math
A cylindrical tank of diameter 4m contains water to a height of 3 m.What area of the surface is wet? any idea please

math
write 1459 into italics numeral. please anyone to help me I stuck whether the italic is the same as roman number and my teacher repeat the same question twice

math
James paid Tsh 10000 to buy the following items: 4.5 kg@600/=,2kg@1200/= and tomatoes 3kg by 1500/=.How much did he remain?#any one to help me please *

math
Write in italic numeral 1959. #any one to help me please***

math
Write in italic numeral 1959.+any one to help me***

math
James paid Tsh 10000 to buy the following items: 4.5 kg@600/=,2kg@1200/= and tomatoes 3kg by 1500/=.How much did he remain?#any one to help me please *

math
Ali puts sh 5000 for 1 year and Alex puts sh 8000 for 9 months to start a business.They shared their profit at the end of the year.Ally share comes to sh 2000.What will be Alex's share? please I need your help* the answer is 2400/= hw can I arrive that answer

math
Ali puts sh 5000 for 1 year and Alex puts sh 8000 for 9 months to start a business.They shared their profit at the end of the year.Ally share comes to sh 2000.What will be Alex's share? please I need your help*

math
Ali puts sh 5000 for 1 year and Alex puts sh 8000 for 9 months to start a business.They shared their profit at the end of the year.Ally share comes to sh 2000.What will be Alex's share? please I need your help*

math
the radius of semi circle is 30 cm.Find its circumference Note:what formula can i use (pie*r + 2r) or (pie*r + r)

math
find the square root of √625. #any idea please

math
Two boys,John and Jackson are running at different speeds of 30 km/hr and 18 km/hr and in opposite directions are 10 km apart.If they both start running at exactly 11:50 pm,at what time will John pass Jackson?Anyone to help

math:age
salima's current age is half that of her uncle.9 years ago the age of salima was 1/3 the current age of her uncle. Find the current age of Salima

math
if the ratio of interior angle of triangle are 4:11:3.Find the greater angle.* i am confused about the word greater does the question need the angle with 11 ratio or 4 ratio?

math
please any concept or formula for the previous question,i stuck

math
if a cone is cut through the centre where it makes perpendicular to the vertex.what will be the surface area of the obtained half the cone

math
it will be 10 days or 10 hours @ reiny

math
A can finish a work in 24 days , B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days.The remaining work was done by A in ? any idea please i used work rate concept but i did not reach to the answer

MATHS
muta is on the top of 500m cliff looking down at boat. what is the angle of depression of the boat from the top of cliff?

Maths
(1) A cone has height of 8cm and circular radius 6cm calculate (a) It's Volume (b) It's Slant Height (c) The Curved Surface Area (d) The Total Surface Area

math
find the area of the cone cut from its vertices to make half of it with radius 14 cm and slant height 20 cm see the figure below

science
a car reduced it's velocity uniformly from 21m/s to14m/s in 10seconds (A) find the retardation (B) the distance cover in this time

science
Express the value of time in s.I units 2hours 35 seconds I tried multiplying but gave me wrong answers and objectives are 7200 3600 9300 2100

Chemistry
Aspirin can be prepared in the chemistry laboratory by the reaction of salicylic acid with acetic anhydride. What volume of acetic anhydride is required to produce one killogram of aspirin assuming 100%yield

english
it is good from vist you to bat cook lol bad to you hoy mond gils round just nine give van bove

PHYSICS
stress=force/Area

Physics
I don't know

math
find the arc length of the curve y = lnx for x = 1 to x = square root of 8

Physics
A 58 kg woman is ice-skating toward the east on a frictionless frozen lake when she collides with a 94 kg man who is ice-skating toward the west. The maximum force exerted on the woman by the man during the collision is 210 N, west. Take east to be the positive direction of ...

Chemistry 1010
How many grams of Ag2CO3 will precipitate when excess K2CO3 solution is added to 70.0 mL of 0.692 M AgNO3 solution? 2AgNO3(aq) + K2CO3(aq) --> Ag2CO3(s) + 2KNO3(aq)

math
5gal 1qt - 2qt 1pt= _gal _qt _pt

physics
if a load 1kg streches a cordby 1.2cm.what is the force constantof the cord?

Physics
kelvin

Binomial and Poisson distribution
A machine produces ribbon in which flaws occur randomly at an average rate of one flaw in 100m. Find the probability that there are 3 or more flaws in a randomly chosen 200m of ribbon. Find the length of ribbon such that the probability that it contains no flaws is 0.001. ( Is...

Statistics normal distribution
54% of the children in a large city are boys. Using a suitable approximation, calculate the probability that a random sample of 1000 children contains more boys than girls ?

physics
if the shortest lenggth of the tube for resonance is 0.1m and next resonance length is 0.35m what is the frequency of the vibration

physics
if the shortest lenght of the tube for resonance is 0.1m and next resonanc length is 0.35m what is the frequency of the vibration.

chemistry
After 273 m3 of ethylene oxide is formed at 748 kPa and 525 K, the gas is cooled at constant volume to 293 K.The new pressure is _____kPa

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