Algebra Answers

Derive the quadratic formula. Get the x

a merchant marks his goods up in such a way that the profit made on selling 60 items is equal to the cost price of 45 items.what is the percentage profit made by the merchant?

you spent 85,489 dollars. if you make 10,153 dollars per week how many weeks will it take you to make twice what you spent?

(1 pt) For a certain county, the percentage, P, of voters who used electronic voting systems, such as optical scans, in national elections can be modeled by the formula

P = 2.9 x + 24.3,
where x is the number of years after 2000. In which years will more than 41.7% of the county's voters use electronic systems?
Note: Enter your answer as, Voting years after yyyy -- do not put a period at the end of the phrase.

In a college fou-ninths of all employees are faculty and the ratio of the faculty to support staff is 5:4.how many people does the college employ if the aupport staff numbers 192?

a painter charges 200 dollars plus 25 dollars per can of paint used. write a function rule to represent the total charge for a certain number of cans of paint

"the length of a rectangular feild is 8mt less than twice is breadth.if the perimeter of arectangular feild is 56mters,find its length and breadth "

sqrt 8^x-3 = ^3sqrt 4^2-x