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the real person who deserves the medal is @jim_thompson5910
yeah but you have attempted the problem too... so I give medals off based on explanations or attempts.
you can click on the best response button for jim to give him a medal. I can only medal once.
i shall and I will
so anyway we have an equation y = 500+50x Every straight line can be expressed in the form y = mx +b where m = slope and b = y-intercept
hmm.. maybe rewriting this might help y = 50x+500
This is all new to me so if you can explain this to me in really really really simple form it would be very much apreciated
however... there's also this fact too... to find the y-intercept, set x to 0
I could try... :/ your question is A company is paying a local television station to run its commercials. The cost of running commercials is a one time campaign fee and also a per-second fee for the air time of each commercial. The cost can be modeled by the equation y = 500+50x where x is in seconds. What is the y-intercept and what does it represent?
given . . . the model of the equation is y = 500+50x x is in seconds the costs includes a one time campaign fee and also a per-second fee.
okay so I am going to figure out the y intercept
to find the y-intercept we set our x to 0 y=500+50(0) y =500+0 = 500
now we just have to figure out what that 500 means
I hate these riddles, teachers call math problems
It's based on word order. (I think?) The cost of running commercials is a one time campaign fee and also a per-second fee for the air time of each commercial. oh yeah those problems are irritating.
@jim_thompson5910 Helllllllppppppp D:!
I need a second opinion.. i know to find y-intercept set x to 0
UsukiDoll you have the right idea. Plug in x = 0
so I got 500, but what the heck does it represent?
the word order matters when it comes to these problems....I think it's campaign fee.
it's the one time fee you always pay no matter how much airtime you get the +50x means "add 50 dollars per second of airtime used up"
but we set x to 0 when we had to find the y-intercept
so the campaign makes a downpayment of $500 if it uses 30 seconds of airtime, then it pays 50*30 = 1500 extra dollars
yeah plugging in x = 0
okay so.....you pre pay 500 dollars is that what it represents?
to find the y-intercept we set our x to 0 y=500+50(0) y =500+0 y=500
but wow the labels D:
let's break this down a bit A company is paying a local television station to run its commercials. The cost of running commercials is a one time campaign fee and also a per-second fee for the air time of each commercial. The cost can be modeled by the equation y = 500+50x where x is in seconds. What is the y-intercept and what does it represent?
`okay so.....you pre pay 500 dollars is that what it represents?` yes, correct
that +50x must be the per-second fee ??
yeah, the 50 to be specific
oh I see if x = 1 that's 1 second
50(1) = that's 50 bucks
it either represents a one time fee or a per second fee
but we need the initial fee too y = 500+50(1) = 500+50 = 550 for one second
it's the setup initial fee... the x is the number of seconds.. so if you have 1 second airtime, that's $550
okay... so it is b?
y = 500+50x for y -intercept if x = 0 we just have y = 500 that's just an initial fee with 0 seconds airtime
okay that makes some sense now!
yeah... 500 is the one time initial fee you're paying.. then for x = number of seconds your fee goes up so if x = 50 y = 500+50(50) 500 <- initial fee 50<- airtime fee x = 50 <-- seconds here's your bill y = 500+250 =750
oops I meant 500+2500 = 3000
lack of sleep x.x
ohhhhhhhhhhh okay this make sense now. So it's b
mhm :) yes it's b
Are we sure because like I said I cant mess up @jim_thompson5910 what do you think...B?
putting this in words y = initial fee + airtime fee (seconds) yeah it's good to have a second opinion
JUst to make sure even though it makes sense to me
I'm trying to find another tutor.. he is busy right now
@perl help !
you guys have it correct
are we sure?
kk im closeing this one and opening a new one!