11/21/16

#### math problem

How long (in years and months) will it take for an investment to double at 12% compounded monthly

11/16/16

#### A solution of 24 gallons is 50% acidic. It was combined using a solution that is 20% acidic and another that is 70% acidic. How much is used of each solution?

Kelly, a chemist, was asked to prepare 24 gallons of a solution that is 50% acidic by mixing a solution that is 20% acidic with another solution that is 70% acidic. How much of each solution should...
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11/10/16

#### What are the dimensions of both the rectangle and the square? (Read the rest in description)

A rectangle is three times as long as it is wide and has the same perimeter as a square whose area is 25 square feet larger than that of the rectangle. What are the dimensions of both the rectangle...
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11/10/16

#### Quadratic Equations resulting in NOT real numbers

If The Solutions To A Quadratic Equation Are Not Real Numbers Then What Does That Say About The X Intercepts On The Graph Of The Function F

11/08/16

#### If I have a 18 liter of water with 15% of oil how much water do I need to add to have 12%of oil?

How do I solve this to make the 15% into 12%of oil added to a 18 liter of water?

11/04/16

#### Growth of an Account

Russ McClelland, who is self-employed, wants to invest $60,000 in a pension plan. One investment offers 5% compounded quarterly. Another offers 4.75% compounded continuously. If Russ chooses the...
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10/31/16

#### A coin collection of nickels and dimes amounts to $0.90. there are 4 times as many nickels as dimes. How many coins of each kind are there?

If you can, can you please give me an idea of how to solve this, so I can solve other alike problems like this on my Homework? thanks :)

10/30/16

#### Each side of a square is 4 square meters long. When each side is increased by X meters, the area is doubled. Find the value of X.

Setup using a quadratic equation, then solve the problem

10/21/16

#### At age 23, someone sets up an IRA account with an APR of 6%, at the end of each month he deposites $50 in the account.

How much with the IRA contain when he retires at age 65?
The total deposits made over time?

10/21/16

#### How to do this

Pump up gym has an initial joining fee of 205 and monthly membership dues of 15. Universe gym has an initial joining fee of 125 and monthly membership dues of 19. When will the cost for joining the...
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10/02/16

#### Find the constant of variation k for the stated condition.

a varies jointly as b and h, and A=32 when b=4 and h=16
k=?

10/02/16

#### Find the constant of variation k for the stated condition. A varies directly as the square of r, and A=2464 when r=28

what does k equal?

09/30/16

#### There are 7 more nickels than quarters in the coin purse. The total amount of money in the coin purse is $12.65. How many of each are in the coin purse?

A coin purse contains nickels and quarters.There are 7 more nickels than quarters in the coin purse. The total amount of money in the coin purse is $12.65. How many of each are in the coin purse?

09/29/16

#### Jake bought a book in a city with an 8 percent sales tax rate. If Jake paid 59.40 for the book after tax, find the price of the book before taxes.

Jake bought a book in a city with an 8 percent sales tax rate. If Jake paid 59.40 for the book after tax, find the price of the book before taxes.

09/27/16

#### Find the domain of the given function. Express the domain in interval notation T (X) = 8/x^2-49

The equation is T(x) = 8 over x²-49
T(x)=8⁄x²-49
Getting stumped and coming up with (-∞,-7) ∪ ( 7, ∞)

09/27/16

#### Doubling of a certificate

The doubling time of the balance for a money market certificate of deposit (CD) is 25 years. By what factor does it grow in 60 years?

09/26/16

#### Let f(x) = x^2. Find f(2x) - 2f(x) for x = -3. PLEASE HELP!!!

Let f(x) = x^2. Find f(2x) − 2f(x) for x = -3.
Here are the answer choices.
a. -18
b. -9
c. 0
d. 9
e. 18
Please explain and thank you in advance!

09/26/16

#### ant filled out 3/4 as many surveys as sara and together they filled out 35 surveys. how many surveys did ant fill out?

Ant and Sarah both work at a telephone company .ant filled out 3/4 as many surveys as sara and together they filled out 35 surveys. how many surveys did ant fill out?

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