stewartabby995 stewartabby995
  • 01-11-2020
  • Mathematics
contestada


A theater can seat 160 people. The number of rows is 6 less than the number of seats in each row. How many rows of seats are there?

Respuesta :

Mrapplestime
Mrapplestime Mrapplestime
  • 01-11-2020

Answer:

10 rows

Step-by-step explanation:

X=rows, y=seats

xy=160    eq1

x=y-6      eq2

y(y-6)=160       plug into eq 1

y^2-6y=160

y^2-6y-160=0

(y-16)(y+10)=0     factor

y=16, y do not equal to -10 bc it's negative

x=y-6=10

Answer Link

Otras preguntas

Which of the following is the balance for a single $2.520 deposit in an account with an APR of 1.16% that compounds interest monthly and is invested for 37 year
How are you in science I am going to ask a question and please answer title correctly I am in fifth grade and this is my question : Poop A
What do manufacturers use water for? to transport people to irrigate farms to put out fires to produce wood and paper products
the boys (clean) the car .it looks new again​
write a letter to your friend in Paris telling him about your new SHS School in French​
a) The____style formats only character, not paragraph.
what is the 10th term for sequence 4; 8; 13; 19; 26​
5. How does international employment help to improve economic condition of the country? ​
Vertical lines m and n are intersected by lines k and j. At the intersection of lines m and k, the bottom right angle is (x minus 30) degrees. At the intersecti
4 Pencils and 2 rulers cost $8. 2 pencils and 4 rulers cost $10. Find the cost of 3 rulers and 3 pencils