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

-4x+9=2x+3[tex]-4x+9=2x+3 [/tex]
pls help. will give brainliest
Which of the following was an accomplishment of President Taft? 1.Women were granted the right to vote under his administration. 2.There was an increase in anti
heellllppppppp ttttiiiimmmmmmeeeeddddd ttteeessstttt helllppp Aristarchus was an astronomer who taught that the sun was a. the chariot of Apollo. c. revolving
In which passage has the clearest that the author is using in diction to achieve some kind of effect
What is the axis of symmetry of h(x)=5x^2+40x+64
what is the y-intercept of (2, 18) and (6, 6)?
Dahlia is simplifying (3t)^4 using these steps:(3t)^4 =3t•3t•3t•3t =3•3•3•3•t•t•t•tAlthough Dahlia is correct so fast which step could she have used instead to
I'm having a bit of trouble with this question, all it says is '2k = 26'
Please help and show work!! Will give brainliest!!