Posted by **kellie** on Friday, March 25, 2011 at 9:46pm.

how do you find ...weekly sales in thousands of items of a product has a seasonal sales record approximated by y=18.1sin(piex/24)+52.9 where x is time in weeks and 1 is the first week in janurary. during which weeks will the sales equal 61,950 items this year? list all the weeks...

- math -
**MathMate**, Saturday, March 26, 2011 at 3:03pm
evaluate y for x from 1 to 52 (weeks).

For example, for the first week, x=1,

so

y=18.1*sin(π*1/24)+52.9=55.26

Do it for all 52 weeks, plot it if possible.

Since the maximum over the year is around y=70, I suppose the sales of 61,950 means 61.950 where the "," is used as a decimal point in many countries.

## Answer This Question

## Related Questions

- math - on office equipment sales representative earns a weekly salary and ...
- math - [2 marks] Fashion One Chain Store found that t weeks after the end of a ...
- math - [2 marks] Fashion One Chain Store found that t weeks after the end of a ...
- math - [2 marks] Fashion One Chain Store found that t weeks after the end of a ...
- statistics - A soft drink distributor was interested in examining the ...
- budget and forecasting - Using the table “Gasoline Sales Time Series”, calculate...
- college math 122 - A sales clerk's weekly salary is $300 plus 2% of her total ...
- Finance - A salesperson in a furniture store receives a weekly salary of $1,250...
- statistics - Bob is a salesman. He receives $20 for each sales plus a fixed ...
- math - Laura is a salesperson in a retail store and earns $65 per week plus 10% ...

More Related Questions