16-04-2016
Mathematics

contestada

A theater can seat 725 people. The number of rows is 4 less than the number of seats in each row. How many rows of seats are there?

Respuesta :

Аноним Аноним

16-04-2016

725 is equal to (number of rows)*(number of seats per row)
r = s-4
725 = (s-4)s
s^2-4s-725 = 0
Factoring: (s-29)(s+25) = 0
Thus there are 29 seats per row, and 25 rows.

Answer Link

Otras preguntas

how to get the answer for 92x68=

What must happen before a chemical reaction can begin?

-6q+5.8=23.8 a. q=3 b. q=-3 c. q=-1.83 d. q= 4.93

What restrictions does the fourth amendment place on government agents searches of a persons home,papers,or effects?

Marla did 65 sit ups each day for one week use the distributive property to show an expression you can use to find the total number of sit ups Marla did during

Please help solve number 30 and 31 please-show work to help me unerstand, thank you. :)

The surface layer of the earth on which vegetation grow

Factor x cubed plus 8

How many solutions does the equation have? 4x+2(x-3)=8x+12 A. one solution B. infinite solutions C. no solution

Write a fraction with a decimal value between 1/2 and 3/4