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Translate this sentence about area into a mathematical equation. The area A of a regular pentagon is directly proportional to the square of the length s of its sides.   I tried to do...

A 84,000 trust is to be invested in bond paying 8%, CDs passing 7% and mortgages paying 9%. The soon is the bond and CD investment must equal the mortgage investment. To earn an \$7010 annual...

The equation is (2x+1)(3x)    From what I know, wouldn't you multiply 2 by 3, then add the x's which would be 6x2. then leave the one, so then you have 6x2+1. But the answer...

Vincent thinks of a number. He adds 1 then multiplies the result by 3. The answer is the same as 4 times the number take away 4. What number did he think of?

Perform these operations:                                          ...

HALPPPPP PLSSSS SJSII

A small publishing company is planning to publish 2 books this month:  book A and book B. The publishing cost is \$6 each for books and \$8 each for book B. The total cost can be no more than \$7200...

Quadratic Polynomial of Best Fit: y = -0.3476t^2 + 10.948t - 6.0778 where t = Time of day (hour) and y = Temperature (in degrees) REMARKS: The times are the hours since midnight....

The number of guests g in a water park t hours after 9 am is given by g(t) = –32t2 + 224t + 263 for 0 ≤ t ≤ 8. (t = 0 corresponds to 9 am) Find and interpret the average rate of change...

The total number (N in thousands) of inmates in state and federal prisons is given by the mathematical model N=7.6x+115 where x stands for..? The number of years since 1990. Determine the...

The monthly profit from producing and selling x units of a certain product is given by P(-x^2+320x-11200. Producing and selling how many units will result in a profit for this product? A...