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

History of physical activity teaches us about _____ as well as _____ in the past, which helps us understand the past as well as the present and make reasonable
In a communist state the
what is bipolar disorder?
Choose the thesis statement that whould be best supported by this topic sentence. Topic sentence: Rising seas and increasing hurricanes destroy the beaches wher
In the space between the dura mater and _______ is a matrix called arachnoid (and subarachnoid) space , which is filled with cerebrospinal fluid.
what is the answer of: (10+2b)^2
Are the following triangles similar? Justify your reasoning using mathematics.
HURRY PLEASE 40 points Write out five lines of a dialogue where you introduce yourself to a new friend in Chinese. Use pinyin with numbers representing tone mar
Which efforts describe ways by which the United Nations has direct impact on the conduct of business
I need help pleaseeeee!!