10/11/15

This is a question for College Algebra
How many ounces of water must be added to 20 oz of a 15% salf solution to make a 6%salt solution?
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10/08/15

can you help me
12 side die is rolled, the set of equally likely outcome is 1,2,3,4,5,6,7,8,9,10,11,12. find the probability of rolling a number greater than 
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10/08/15

Math problem on compound interest
Calculate the compound interest and the amount accruing when $ 10 000 is invested at 8% perannum for 3 years.
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10/07/15

Statistics problem
With a height of 62 in, Alexander was the shortest president of a particular club in the past century. The club presidents of the past century have a mean height of 66.4 in and a standard deviation... more
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10/04/15

a normal population has a mean of 20 and a standard deviation of 4. What proportion of the popukation is between 20 and 25
a normal population has a mean of 20 and a standard deviation of 4. What proportion of the population is between 20 and 25?
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09/29/15

Math Question
Through (2,6); parallel to 10x-y=4
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09/29/15

College Algebra Linear Word Problem
If full-time faculty are required to teach a minimum of 15 credits, is there anyway for a faculty member to teach a combination of 3-credit and 4-credit classes and teach exactly 15 credits? Write... more
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09/27/15

Please help I'm so confused!
Find the molar mass of PCl3? 
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09/25/15

Health Insurance Benefits
during the recent economic downturn, your community has experienced unemployment rates of approximately 9%. What can be done to mitigate the effects of the financial impact to your organization?
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09/22/15

Need help with Stats
I am completely disillusioned with this problem could someone give me some help PLEASE!!!!   Listed below are the duration (in hours) of a simple random sample all flights of a space shuttle... more
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09/22/15

Statistics problem
Could someone please help me to answer this I seem to be stuck!!!!!   Below are 36 sorted ages of an acting award winner. Find P90 using the method presented in the textbook24, 26, 32, 33, 34,... more
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09/21/15

Stats help
Could someone help I'm lost on this one Listed below are the duration (in hours) of a simple random sample all flights of a space shuttle program. Find the range, variance, and standard deviation... more
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09/21/15

hourly wages are listed below. find the percentile rank of the salary of $6. 18,15,12,6,8,2,3,5,20,10
hourly wages are listed below. find the percentile rank of the salary of $6. 18,15,12,6,8,2,3,5,20,10
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09/12/15

how to find the molar mass of an unknown substance that has 4.204x10^22 atoms
the substance is unknown, but the mass is measured to be 13.5 grams. Now I have to find the molor mass, but the number of moles is unknown. 
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09/08/15

A builder reduced the price of a model by 18 %. If the new price is $128,000, what was its original price? How much can be saved by purchasing the model?
Please help with this college algebra question!
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09/08/15

algebra 2 problem
I need to find the value of f (1.6) and (1.9) (x)=x^5-x^4+6x^3-4x^2-18x+8; [1.6, 1.9]   I tried to follow the suggestion I was given but I just it can't do it could someone simplify f(1.6) and... more
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09/07/15

Word problem
shureka Washurn has scores of 72, 67, 82, and 79 on her algebra tests.a. Use an inequality to find the scores she must make on the final exam to pass the course with an average of 77 or higher,... more
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09/06/15

Calculus functions and models
The cost of producing 480 permanent markers is $895. Producing 530 permanent markers would cost $915. Find the average cost per permanent marker of the additional 50 permanent markers over 480.... more
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08/26/15

how do i figure out interest?
Find the future value and also find the interest if $14,000 is invested at 2% compounded quarterly for 10 years.
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08/25/15

LuAnne borrowed $575 from Lester. Lester is charging her 8% compounded quarterly. How much will LuAnne owe Lester at the end of 6 years?
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08/25/15

college algebra
a total of $65,000 is to be invested, some in bonds some in cds, if the amount in bonds is to exceed cds by $6,000, how much will be invested in each bonds and cd
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08/23/15

What are the opposite end of the spectrum of concentration
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08/19/15

One cheeseburger and two pan pizzas provide 3690 calories. Two cheeseburgers and one pan pizza provides 3540 calories. Find the caloric content of each item.
I need to know the calories of one cheeseburger  and on pan pizza. 
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08/18/15

Given a solid whose cross-section is defined by A(x), the volume of the solid is given by _____________________.
a) V=∫A'(x)dx   b) V=∫A(x)dx   c) V=Π∫A(x)dx   d)none of these    
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08/13/15

what annual deposit is required to accumulate $50,000 after 20 years at 8% interest compound annually?
 compound interest
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