kelseybuell
A greenhouse that specializes in growing carnations is divided into sections. The number of plants in each section depends on the number of sprinklers in that section.
There are y(5y − 4) red carnation plants and (9 + y)2 white carnation plants in a section with y sprinklers.
Which simplified expression represents the total number of red and white carnation plants in a section with y sprinklers?
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GOODMAN
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So, basically are you looking for y, or are do you just need to make an expression?
kelseybuell
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Well, the options are 5y2 + 18y +77
5y4 + 14y + 81
6y2 + 14y + 81
6y2 + 18y + 77
but i already know the second one isn't it.
GOODMAN
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How do you know that?
kelseybuell
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Because My teacher said i got it wrong.
kelseybuell
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And she's making me do corrections
GOODMAN
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6
Okay
kelseybuell
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So what do i do?
GOODMAN
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6
So, by the looks of it, I think we should multiply the two.
kelseybuell
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By what
GOODMAN
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6
Multiply y(5y − 4) and (9 + y)2
GOODMAN
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Do that and tell me what you got :D
kelseybuell
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Okay hold on a sec
Akshay_Budhkar
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is the second one (9+y)^2?
Akshay_Budhkar
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\[(9+y)^2\]?
kelseybuell
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Is it gonna be long?
Akshay_Budhkar
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you just need to simplify the two equations separately amd "ADD" them, they just want the total number of carnations ..
So simplifying gives you \[5y^2-4y+81+18y+y^2=6y^2+14y+81\]
kelseybuell
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Yeah that
Akshay_Budhkar
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is it clear on how i get it?
kelseybuell
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GOODMAN?
GOODMAN
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yea, still here, Akshay did it correctly.
kelseybuell
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But what's the answer?
GOODMAN
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Hahaha, Akshay did it, right up there, 6y2 + 14y + 81
kelseybuell
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Thankyou!
kelseybuell
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Your daily workout plan involves a total of 60 minutes of jogging and biking. You burn 10 calories per minute jogging and 5 calories per minute biking. How many calories will you burn in your 60−minute workout if you jog for 30 minutes?
GOODMAN
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Thank Akshay :D give him a medal!
kelseybuell
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Is that 300?
kelseybuell
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.__.