12/02/16

IVT/Rolles theorem...proving a root exists
Hi, I just need to know if my explanation is ok. I think the question might be on my test tomorow. It asks to prove that f(x)= x^3+3x^2+6x has one real root. My... more
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12/02/16

P(a) = 0.5 , p(b) = 0.7 what is p(a intersection b)
I am new to probality and trying to learn probality concepts but i am stuck on this any help would be helpfull .
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12/01/16

What is the rule of thumb when converting an improper fraction to mixed number when the improper fraction can also be reduced?
Supposed you have the improper fraction 60/8.  This can be converted to the mixed number by dividing first (resulting in 7 4/8) and then reducing to 7 1/2,  OR you can reduce first to 15/2 and then... more
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12/01/16

Find What K stands for?-12k=-60?
i need ti find the awnser to this . and i cant get it
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12/01/16

a player stepping on the baseline or sideline in basketball is out of bounds
this is a question about basketball
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12/01/16

A banana bread recipe calls for 3/4 cup butter. One tablespoon equals 1/16 how many tablespoons of butter are needed to make the banana bread
Applying operations with rational number
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12/01/16

Problem in Description What would be today's population size if we are using this constant yearly percentage growth rate?
The population of the United States was 266 million at the beginning of 1997 and was increasing at a rate of 0.7% per year. What would be today's population size if we are using this constant... more
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12/01/16

Simplifying exact values
What is csc^2x-1 simplified? 
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12/01/16

First Term of Seq. 1
what is the first term of the sequence An = -n2  and n≥1??   Please Help Solve with step by step solution to problem and the final solution.
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12/01/16

(2x^2-x-19)/x(x+1)(x-1) write the partial descomposition
(2x^2-x-19)/x(x+1)(x-1)
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12/01/16

how to find the derivative of the integral
It asks me to find the derivative of d/dx ∫0 to x2 ln(7+t2)dt So in my notes I have ln(7+t^2) underlined as the derivative  so I just thought I would plug in x^2 and I got ln(7+x^4) as my answer... more
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12/01/16

A circular coffee table has a diameter of 4 feet. What will it cost to have the top refinished if the company charges $3 per square foot? Round to nearest cent.
A circular coffee table has a diameter of 4 feet. What will it cost to have the top refinished if the company charges $3 per square foot? Round to nearest cent.
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12/01/16

How many license plates of 3 symbols (letters and digits) can be made using at least one letter in each? ( repetition is allowed)
Is this question is a combination or a permutations? and how to solve it step by step ?
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12/01/16

Finding out the total number of who siad yes based on percentages
total participants- 10   participants who said yes -33% women                                        67% men
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12/01/16

P(a) = 0.5 , p(b) = 0.7 what is p(a | b)
I am trying to learn conditional probality but not able to figure solution for this any solution would be of great help
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12/01/16

write y=5\3x-6/8 in standard form
NEED TO WRITE IN STANDARD FORM
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11/30/16

Related Rates Calculus
Water is leaking out of an inverted conical tank at a rate of 88000 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 60... more
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11/30/16

A contract is created regardless of the offer being accepted or not
Contract create d regardless 
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11/30/16

At 9% interest you went from $250 to $375 dollars. How long has your money been in the bank?
Simple Interest 
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11/30/16

You invest $750 into an account. At the end of 3 years, you have $812 in the bank. At what rate was your money collecting interest?
Simple Interest
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11/30/16

Prove that f(x)=x^5+2x^3+4x-12 has exactly one real root.
Hi, Im having trouble proving this. I only got half way through proving it. Its the Rolles Theorem part Im having trouble with. So first thing I did was show that there is a root by the IVT. f(0)=... more
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11/30/16

Please help. Were bootleggers for or against Prohibition? Yes or no? Thanks.
I think it is somewhat in between but is it yes or no?
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11/30/16

1 of 8 get picked. How many out of 944
solve to figure out how many people will get accepted into the university if 944 people submit an application. 
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11/30/16

maggie graph a scatter plot of the number of hours she drove t, and the number of miles she traveled d. she found the trendline of her data to be d=45.5t+8.
maggie graph a scatter plot of the number of hours she drove t, and the number of miles she traveled d. she found the trendline of her data to be d=45.5t+8. what is the predicted distance maggie... more
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11/30/16

How many questions would be worth 2 points and 3 points if a test has 38 questions and a perfect score 100?
An algebra test constrains 38 questions. Some of he questions are with 2 points and some are worth 3 points. A perfect score is 100 points. How many questions would be worth 2 points?
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