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anonymous

  • one year ago

A SECURITY FENCE IS TO BE BUILT AROUND A 374m BY 173m FIELD. WHAT IS THE PERIMETER OF THE FIELD? FENCES WIRE WILL COST $1.58 PER METER. WHAT WILL THE WIRE COST ?

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  1. anonymous
    • one year ago
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    \[\large \sf 374~=~l\\\large 173=w\] \[\large \sf P~=~2l+ 2w\]

  2. anonymous
    • one year ago
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    NO THE DIAGRAM SHOWS 173 L 374 W

  3. anonymous
    • one year ago
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    It really doesn't matter which is which.

  4. anonymous
    • one year ago
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    |dw:1436488904871:dw|

  5. anonymous
    • one year ago
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    Again, it doesn't matter. Use the formula all the same \[\large \sf P~=~2l+2w\]

  6. anonymous
    • one year ago
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    P=173+374

  7. anonymous
    • one year ago
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    Maybe I should've made it clearer \[\large \sf P~=~(2 \times l)~+~(2 \times w)\]

  8. anonymous
    • one year ago
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    P=(2x173)+(2x374)

  9. anonymous
    • one year ago
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    Correct. Now do the calculations.

  10. anonymous
    • one year ago
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    1094

  11. anonymous
    • one year ago
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    ya sure? What I got was a little different. What did you get for 2*173 and 2*374?

  12. anonymous
    • one year ago
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    Oh, yeah that would be it

  13. anonymous
    • one year ago
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    yeah sorry

  14. anonymous
    • one year ago
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    So it's 1,094 meters. To find how much it costs if each meter is $1.58, just do \[\large \sf 1094 \times 1.58~=~?\]

  15. anonymous
    • one year ago
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    1728.52

  16. anonymous
    • one year ago
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    Correct. So now you've solved both parts of the equation.

  17. anonymous
    • one year ago
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    thank you

  18. anonymous
    • one year ago
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    \[\huge \color{aqua}N\color{fuchsia}o \space \color{lime}P \color{orange}r \color{blue}o \color{maroon}b \color{red}l \color{olive}e \color{purple}m \ddot\smile \]

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