05/24/16

What is the minimum weighs, how can you find out which apple is bad?
Debbie has a lot more apples to check. Now she has 5 apples. Four apples are good,  weighing the same. But the bad one either weighs more or less than the others. List the process steps and... more
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05/24/16

Someone decides to put $5000 under their mattress rather than in a bank.
The average inflation rate over the next four years is 3.7%. What is the real valueof this money after the four year period? Round to the nearest dollar.
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05/23/16

Help me solve .....How long will it take the colony of 15,000 cells to grow to 250,000 cells?
during its exponential growth phase, a colony of the bacterium E. Coli grew from 15,000 cells to 60,000 cells in 40 minutes. How long will it take the colony of 15,000 cells to grow to 250,000 cells?  more
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05/23/16

A basketball player earns $9,750 in 15 games.At this rate, how many games will it take him to make $35,750?
Set up proportion to solve this problem.
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05/23/16

What is the % Sn and % Cu in the sample?
You are given a piece of metal alloy that is made of tin and copper. If the density of the sample is found to be 8.59 g/mL what is the % Sn and % Cu in the sample?
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05/23/16

How much pure acid must be added to 12 ounces of a 40% acid solution in order to produce a 60% acid solution?
How much pure acid must be added to 12 ounces of a 40% acid solution in order to produce a 60% acid solution?
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05/23/16

Determine the total annual FICA tax for an annual salary of $38,480.
Determine the total annual FICA tax for an annual salary of $38,480.
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05/21/16

The capacity of Marshfield Stadium exceeds that of Bowden by 4,389 people. the two stadiums have a capacity of 210,355 people. Find the capacity of each stadium
Just trying to figure out to get the answer
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05/21/16

(MATH PROBLEM) Backyard Project
http://s1044.photobucket.com/user/ammytian/media/rsz_screen_shot_2016-05-14_at_74650_pm_zpsnfsnku8g.png.html ^ LINK TO PHOTO The following diagram shows an overhead view of your backyard. You wish... more
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05/21/16

Need help answering these questions
Carolina Crystals, a midrange jewelry store located at Harbor Village in San Diego, serves two clienteles: regular customers who purchase gifts and special-occasion jewelry year-round, and tourists... more
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05/20/16

250g of water were added to 150g of 30% salt solution. What is the new concentration of the mixture?
250g of water were added to 150g of 30% salt solution. What is the new concentration of the mixture?          PLEASE HELP :D
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05/19/16

"Suppose you are taking a true-false test consisting of 5 questions. In how many ways can you answer the questions?" Why is the equation 2^5?
 I looked up the answer online and people said it was 32.  They explained it "2^5"  I know the 2 is because it's true or false, and the 5 is because there is five questions, but why the exponent... more
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05/19/16

A train running with 7/11 of its own speed reached a place in 22 hours how much time could be saved i
A train running with 7/11 of its own speed reached a place in 22 hours how much time could be saved if the train would have run at its own speed
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05/18/16

Given 10 successive rolls of two dice what is the probability of rolling a 6 on exactly 4 of those 10 rolls
Round answer off to 3 decimals places 
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05/18/16

HOW DO I KNOW WHEN IT IS NECESSARY TO CONVERT UNITS BEFORE SOLVING A PROBLEM?
how do I know it is necessary to convert units before solving a problem?
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05/18/16

In the experiment 25,000 ppm (parts per million) Copper (II) Chloride in this experiment. Calculate the mass of copper(II) chloride in grams.
This is for a lab that i don't understand what to do and I would like some help please. This is a chemistry question.
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05/18/16

Kyle has only nickels and dimes in his pocket. If he has 48 coins that total $3.90 how many of each coin does he have ?
I need help ?
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05/18/16

I need help with radioactive decay questions
I need to know how to work radioactive decay formula and which keys in a step by step detail on a calculator
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05/18/16

ABCD is a rectangle with diagonals BD and AC that intersect at X. BD=12x-6 inches and AX=4x+5 inches. What is DX?
I was asked this question in math and I don't understand how to figure it out. Geometry does not come easy to me at all! Thanks!
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05/17/16

Compounds & Elements
Part A: Which of the following properties of a compound could also be applied to at least some element? Part B: Which of the following are properties of a compound which do NOT apply to... more
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05/17/16

How much was invested in each mutual fund?
An investor invested a total of $2,000 in two mutual funds. One find earned a 5% profit while the other earned a 2% profit. If the investor's royal profit was $67, how much was invested in each... more
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05/16/16

doubt for word problem experts please read my doubt carefully and answer it
if a train runs at 40 kmph it reaches its destination late by 11 minutes but if it runs at 50 kmph it is late by 5 minutes only the correct time for the train to complete its journey is   please... more
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05/16/16

How many seconds will it take Allie to reach the fountain?
Grace and Allie are going to meet at the fountain near their houses. They both leave their houses at the same time. Allie passes Grace's house on her way to the fountain. Allie's walking rate is 2... more
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05/16/16

Bicycle Speedo & Wheel Size
I brought a bicycle odometer (speedo) for my 20" wheel bicycle, however it turns out it is made for 26-27" bike wheels. How would I change the speedo display picture so that it will be the right... more
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05/15/16

with 55 gallons of fuel in its tank the airplane has a weight of 2255. what is the weight of the plane with 83 gallons of fuel in its tank
with 55 gallons of fuel in its tank the airplane has a weight of 2255. what is the weight of the plane with 83 gallons of fuel in its tank
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