02/03/16

statictics
an inspector must select three tests to perform in a certain order on a manufactured part.He has a choice of 9 tests.How many ways can he perform 3 differnt tests?
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02/03/16

60 tonnes of wheat at 1536 per tonne & 35 tonnes of barley at 14400 per tonne. calculate the total income
number system
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02/03/16

in two years? i'll be twice as old as i was 5 years ago. How old am i?
in two years? i′ll be twice as old as i was 5 years ago. How old am i?
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02/03/16

a jar of 100 marbles contain 4 red ones and 96 black ones. what is the probability of picking up a red one in 4 attempts?
a jar of 100 marbles contain 4 red ones and 96 black ones. what is the probability of picking up a red one in 4 attempts? After each attempt, the selected marble returns back to the jar.
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02/03/16

Annuity due problem
Kindly help me. This is under Annuity Due  Mrs. Semion had accumulated 2.3 million in her retirement plan, she wanted to raise it to 6 million with equal payments every 6 months for eight years,... more
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02/03/16

Alex swims in a 400-m freestyle competition at an average speed of 1 1/3 m/s. If he increases his average speed to 1.6 m/s, how much less time will he take?
This question is from the Singapore Primary Mathematics Workbook 6A.
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02/02/16

The quotient of a number and 6 is 5
The quotient of a number and 6 is 5 x represent a number I am having problems Ruth word priblems
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02/02/16

find the y and x intercepts for the equation
-4x+7y=56 type an ordered pair
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02/02/16

elimination method
Solve : 2x+3y=9            -3x+3y=-6   Using the elimination method    ??????
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02/02/16

Given the point Q(-7, 24) and its associated standard angle ?, find the value of...
Given the point Q(-7, 24) and its associated standard angle θ, find the value of cosθ. Leave your answer in exact form.
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02/02/16

One bag of pretzels cost three dollars. Five bags of pretzels costs $10.Which has the lower unit price?
Unit price means A unit rate comparing cost per item.
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02/02/16

Probability and Statistics Question
The incidence of an illness is estimated to be 8%. In a population of 2000, what would be the number of people who would contract this specific illness?
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02/02/16

what is the ordered pair for the function f(-14)=11
what is the ordered pair
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02/02/16

how to do this math problem?
Solve the following for the indicated variable.   -3x+y = -4 for y
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02/02/16

could someone help me with this math problem?
Jack is 3 times as old as Lacy. 3 years ago the sum of their ages was 26. How old are they now?
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02/02/16

How do I make solve this problem with a tree diagram?
Here's the whole problem: Assume that there are 6 types of upholstery, 6 types of wood, and 3 designs to choose from. Of the designs, 2 designs permit both a choice of wood and a choice of... more
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02/02/16

The sum of the ages of Brendan and Ashton is 84 years. 10 years ago, Brendan's age was 3 times Ashton's age. How old is Brendan now?
The sum of the ages of Brendan and Ashton is 84 years. 10 years ago, Brendan's age was 3 times Ashton's age. How old is Brendan now?
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02/02/16

Solve the following question
Solve : 23/2
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02/02/16

Copper density
Pure copper has a density of 8.9 g cm3. Calculate the volume of a sample of copper that has a mass of 255 g
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02/02/16

Hancock building dimensions
The top of the John Hancock building in Chicago is a rectangle whose length is 60 ft more than the width. The perimeter is 520 ft. Find the width and the length of the rectangle. Find the area of... more
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02/01/16

pond water
water from a certain pond contains an average of 4.9 specimens of species Z per cubic centimeter. How many specimens of species Z are contained in 1 cubic millimeter of pond water?
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02/01/16

I have no idea
The question is: the town of Dudley municipal bonds are yielding at 4%. Assume your federal tax rate is 22% and your state tax rate is 3%. What % (two decimal places) would you need to earn in a... more
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02/01/16

Please, please help!
Over 2 years, how much more does $2000 in a savings account with an APR of 4.6% compounded semiannually earn in interest than the same amount in a savings account with an APR of 4.4% compounded... more
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02/01/16

The area of a rectangle whose length is l units and whose width is 5 units in length
I know the answer, but I don't know how it works.   The answer should come out to:   l(l-5)=l^2-5l
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02/01/16

You are very interested in a stock whose price per share is $76.05. You want to invest at least $2,000, but no more than $4,500.
PLEASE HELP ME
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