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anonymous

  • one year ago

An environmental agency studying the effects of drought on a lake found that the water level decreased at a constant rate during the first few months of the drought. When the agency began its research, the depth of the lake was 346 feet. The table represents the agency’s susequent observations about the lake's depth. what was the depth after 4 weeks?

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  1. anonymous
    • one year ago
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    Time (weeks) Lake Depth (feet) 0 346.0 2 344.8 5 343.0 7 341.8 10 340.0 12 338.8

  2. anonymous
    • one year ago
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    @almighty_boi

  3. anonymous
    • one year ago
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    @winxclubbloom15

  4. anonymous
    • one year ago
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    these are the answer choice 343.0 feet 343.6 feet 344.4 feet 348.4 feet

  5. anonymous
    • one year ago
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    Plot that function into y=mx+c form

  6. anonymous
    • one year ago
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    x is time and y is lake depth

  7. anonymous
    • one year ago
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    yes

  8. anonymous
    • one year ago
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    okay

  9. anonymous
    • one year ago
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    You know how to do it right?

  10. anonymous
    • one year ago
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    no im not sure

  11. anonymous
    • one year ago
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    i need help

  12. anonymous
    • one year ago
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    ok, from the table, you can see the points of the line is (0,346.0) , (2,344.8) , (5,343.0) , (7,341.8) (10,340.0) , (12,338.8)

  13. anonymous
    • one year ago
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    You can take any 2 points and find your gradient, m with this formula \[m=\frac{ y _{2} - y _{1} }{ x _{2} - x _{1} }\]

  14. anonymous
    • one year ago
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    okay thanks i got it now

  15. anonymous
    • one year ago
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    Yes, after you got the equations right you sub in x=4 and you get the answer.

  16. anonymous
    • one year ago
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    yes im srry @crissyyyxoxo123 iwas helpin other ppl

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