08/01/18

Ratio of ages of John and Samy is 3:5. In 6 years time, the ratio will be 3:4. How old is Samy.
The ratio of the ages of John and Samy is 3:5. In 6 years' time the ratio of theiron ages will be 3:4. How old is Samy?
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08/01/18

When 328 college students are randomly selected and surveyed, it is found that 122 own a car. Find a 99% confidence interval for the true proportion of all col
how do you solve this problem
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08/01/18

99%; n = 17; ʍ is unknown; population appears to be normally distributed
how do i solve for this problem  
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08/01/18

If the value of a side of a equilateral triangle is 10 then what will be the area of the triangle
I want to know the answer. So please answer it.
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08/01/18

Bansi has three times as many 2 rupee coins as he has 5 rupees coins. If he has in all a sum of rupees 77,how many coins of each domination does he have?
 I need coins of each domination 
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08/01/18

A probability question
I'm stuck on this question for tutoring hw, please help. Marget buys 3 tickets in a raffle in which 500 tickets are sold. If there are 1st, 2nd and 3rd prizes, what is the probability of her... more
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08/01/18

The nth term of arithmetic progression isTn=3n-8,what is the first three terms?
Arithmatic progression
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07/19/18

Which geometric figure does not have rotational symmetry?
A. rectangle B. equilateral triangle C. trapezoid D. regular pentagon
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07/19/18

im desperate for an answer please help ASAP
A construction supply store sells steel bars for a certain price per kilogram. No matter how much steel is ordered, the company adds on the same delivery charge. The cost for an order of 100... more
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07/19/18

Sum, variables of Jacob's age and Becky and Micah's age
Jacob's age is two years more than the sum of the ages of his siblings Becky and Micah. Use variables to represent ages of Becky, Micah and Jacob. Write and equation to represent Jacob's age using... more
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07/19/18

scale swimming pool
A plan of the swimming pool is required for a poster. The plan should fit in a 10 centimetres (cm) x 10 cm space and be the maximum size. What scale should be used to draw the 25 metres (m) x 16.8... more
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07/19/18

Swimming proportiondadsonamanda
The town leisure centre has a swimming pool. The pool is 25 metres (m) long and can be divided into 8 lanes for fitness training and races. You have been asked to help with some tasks about the... more
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07/19/18

I can't understand sum of numbers.
The sum of three numbers is 131. The third number is 4 times the first. The first number is 5 less than the second what are the numbers?
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07/19/18

Help this tough linear equation from kenya plz help asap and try to explain for me all tje steps.well bcoz I am 15 years old
Help this ratio plz help asap and try to explain for me all the steps.well bcoz I am 15 years old
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07/19/18

could any body help me with that please:The volume of a rectangular tank is 55 m3 , what is the length:width ratio of the tank ?
I'm doing a design for sewage treatment plant , and i need to know the the length, width, and height of my rectangular BOD Tank. Thank you in advanced.
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07/19/18

Average Speed
An automobile traveled 7 hours at an average speed of 50 miles per hour. It averaged only 40 miles per hour on the return trip. The average speed per hour, to the nearest mile, for the round trip... more
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07/19/18

An integer from 100 through 999, inclusive, is chosen at random, what is the probability that the number chosen will have 0 as at least 1 digit.
A: 19/900 B: 81/900 C: 90/900 D: 171/900 E: 271/1000
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07/19/18

IF I’m traveling at a speed of 89 mph, how fast does someone need to travel to catch up to me at a distance of 1.7 mile and the person was at a standstill
If could explain  the answer was found please 
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07/19/18

12 feet : 10 yards as a fraction
give me the answer in simplest form
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07/19/18

. How long does it take for the population to double?
A colony of bacteria with an initial population of 5000 grows over time t(in hours) at a rate of 16% per hour.How long does it take for the population to double?
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07/19/18

square root word problem
The annual peach consumption in y (in pounds per person) in the us from 1982-1993 can be modeled by the function y = square root of 36x+112 where x is the number of years since 1982
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07/19/18

John and Stacy are looking up at their house from their backyard
from johns point of view the top of the house is at an angle of elevation of 35 degree. From Stacey’s point of view directly closer to the house it is 50. How far apart are john and Stacy to the... more
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07/19/18

1.8 miles west of allies house the grocery store is located 2.4 miles south of the library what is the length between allies house and the grocery store
how do I explain 
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07/10/18

Profit sharing you earn 5% first check $1,488 what was the total Prophets
Profit sharing company pays me 5% first check 1488 what was the total company Prophets
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07/10/18

Two men,A and B paint a house in 8 days.A alone can paint it in 8 days.how long will B take to paint the house?
FIND THE TIME THAT B WILL TAKE TO PAINT THE HOUSE
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