anonymous
  • anonymous
some of the water features at sapphire island are periodically treated with a chemical that prevents algae growth. the directions for the chemical say to add 16 fluid ounces per 10,000 gallons of water. how do i write a linear equation in two variables that model the situation
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Hero
  • Hero
The linear equation will have the form y = mx + b where x = amount of 10K gallons of water y = total amount of chemical mixture m = the slope of the line b = amount of fluid ounces added
Hero
  • Hero
The only thing you need to input is m and b
anonymous
  • anonymous
im so confused about what the slope is.??

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Hero
  • Hero
I agree it's not obvious, but let's do it this way. Let's focus only on the essential statement of the problem.
Hero
  • Hero
"Add 16 fluid ounces of chemical for every 10,000 gallons of water"
Hero
  • Hero
You can take that statement and directly convert it to a mathematical expression.
Hero
  • Hero
You can also re-write it this way: "For every 10,000 gallons of water add 16 fluid ounces of chemical."
anonymous
  • anonymous
okay........that makes more sense.
Hero
  • Hero
I'm just giving you ideas for how you can approach this.
anonymous
  • anonymous
thank you.
Hero
  • Hero
Try to think about it a bit more and see if you can come up with the correct expression. Just try to focus on creating an expression for mx + b for right now.
anonymous
  • anonymous
y=m10+16.??
Hero
  • Hero
y and x will always be in a linear equation. It's m and b that get replaced with numbers. 10,000 should definitely be in the equation as well.
anonymous
  • anonymous
oh okay so y=10x+16.??
Hero
  • Hero
y = 10,000x + 16
Hero
  • Hero
Really, it depends on how the x is defined.
anonymous
  • anonymous
okay. thank you so much.
Hero
  • Hero
If you define x as amount of gallons of water (in tens of thousands), then you can write it as y = x + 16
anonymous
  • anonymous
okay thank you. all i needed was help on the equation. now i have to graph it. i think i got it from here.
Hero
  • Hero
Good luck @jmh375
anonymous
  • anonymous
so I hve graphed it now i need to fine the slope and the y intercept.??
anonymous
  • anonymous
@Hero.
Hero
  • Hero
You already graphed it, but still don't know the slope or the y-intercept? How did you manage to graph it without that?
anonymous
  • anonymous
i have no clue it just told me to graph it and then it toldme to find the slope and y intercept.
anonymous
  • anonymous
oh im sorry no it asked me what are the slope and y intercept on the graph.
anonymous
  • anonymous
im sorry i read that wrong im okay now.

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