09/22/18

#### Lily pads on the MSU lake double everyday. If the lake is completely covered on day 30, on what day was the pond half full?

Lily pads on the Mississippi State lake double everyday. If the lake is completely covered on day 30, on what day was the pond half full? I don't understand. wouldn't it be day 15. How do I...
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06/23/15

#### Find the domain, the range, and describe the level curves for the function???

Find the domain, the range, and describe the level curves for the function
f(x,y) = 1 - e^(-4x2 -9y2)
I figure out that the domain is all real numbers
The level curve I believe is...
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06/21/15

#### Algorithm problem ( Is this math too hard for a six grader?)

Hi below is my problem and I don't know if there is a easy math method can be understood by a six grader, thanks!:
You've just been named the new director of the United States Mint. For some...
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#### Calc help please: Applied Max/Min

Applied Max/Min (35 points)a. Find the dimensions of the rectangle with the greatest area that can be built so the base of the rectangle is on the x–axis between 0 and 1 (0 ≤ x ≤ 1) and one corner...
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06/15/15

#### Word problems?:(

your cell phone plan has just expired with Company X and you want to switch companies. Below is the information you gathered regarding the plans you are considering: Cingular does not have an...
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06/14/15

#### what is the limiting reactant of 10 moles of Na and 6 moles of Cl2.

Now assume that you have 10 moles of Na and 6 moles of Cl2. What is the limiting reactant?

06/12/15

#### Physics Help

Magnetic flux produced by magnetic filed B that through perpendicularly a surface of width A is P.If the magnetic field is reduced into B/2,but the width surface enlarged to 2A,then flux produced...
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06/10/15

#### Jorge has $2.10 worth of change in quarters and dimes. If he has 8 times as many dimes as quarters how many of each type does he have?

Jorge has $2.10 worth of change in quarters and dimes. If he has 8 times as many dimes as quarters how many of each type does he have?

06/10/15

#### I need to get the value of this combined partial derivatives in term of individual partial derivatives

How can i write d/dy(d/dx(f(x,y))*delta x*delta y in terms of d/dx(f(x,y))*delta x and d/dy(f(x,y))*delta y.
Even an approx value will work

06/09/15

#### There are 10 stickers, 4 are stars, 4 are hearts, and 2 are flowers. How many combinations of stars hearts, and flowers are there?

There are 10 stickers, 4 are stars, 4 are hearts, and 2 are flowers. How many combinations of stars, hearts, and flowers are there?

06/09/15

#### Write an exponential function for the following set of data

X: -2 -1 0 1 2
Y: 5 25 125 625 3125

06/09/15

#### Independent Probability

A card is picked from a pack of 52 playing cards. Let F be the event of selecting a black card and let G be that of selecting a face card. Are F and G independent events? (Enter your probabilities...
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06/06/15

#### Five percent (0.05) of the parts produced by a machine are defective. Twenty parts are selected at random for study. A. what is the probability that 3 or fewer

Five percent (0.05) of the parts produced by a machine are defective. Twenty parts are selected at random for study.A. what is the probability that 3 or fewer parts are defective?B. what is the...
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06/05/15

#### how much lasagna

there are two thirds of a pan of lasagna in the refrigerator. Bill and his friends eat half of what was left. write a number sentence and draw a model to represent the problem. How much of the pan...
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05/29/15

#### At the beginning of each year for 14 years, Sherry invested $400 that earns 10% annually. What is the future value of Sherry's acount in 14 years?

At the beginning of each year for 14 years, Sherry invested $400 that earns 10% annually. What is the future value of Sherry's acount in 14 years?

02/10/15

#### She wants to make 200kg and sell for $15/kg. Ethopian beans cost $1/7kg and Brazilian cost $12/kg. How many of each to make 200kg?

-full answer
-using equations

10/13/14

#### Question on rates of change

A water trough is 7 m long and has a cross-section in the shape of an isosceles trapezoid that is 20 cm wide at the bottom, 60 cm wide at the top, and has height 40 cm. If the trough is being...
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09/23/14

#### How many different combinations of questions can be chosen?

On an English test, Jeff must write an essay for three of six questions in Part 1, and two of five questions in Part 2. How many different combinations of questions can be chosen?

09/22/14

#### I need to know the names of all numbers from 100 to a google. example...hundred, thousand, million, billion, etc. ...

I need to know the names of all numbers known possibly a google...for example hundred, thousand, million, billion, trillion, etc. Thank you so very much,!

08/03/14

#### Investments

5. Consider the following four investments. a) You invest $ 3,000 annually in a mutual fund that earns 10 percent annually, and you reinvest all distributions. How much will you have in the account...
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