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anonymous

  • one year ago

Mark and Nancy are making punch for a party and are using two types of juice: pineapple and papaya. The total number of quarts must be more than 9 but less than 15. They should use at least 4 quarts of each type. We want to find out how many quarts of each juice they should buy. First graph the system below and describe the shape of the solution area. x + y ≥ 9; x + y ≤ 15; x ≥ 4; y ≥ 4

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  1. Jack1
    • one year ago
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    k so do u know how to start? which part are you struggling with ?

  2. anonymous
    • one year ago
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    no

  3. anonymous
    • one year ago
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    i dont understand at all

  4. Jack1
    • one year ago
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    ok, well lets start here: x is greater than 4 find where x = 4 everything to the right of that should be shaded have a look at the attachment for reference

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  5. anonymous
    • one year ago
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    ok now what

  6. anonymous
    • one year ago
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    i really don't understand this problem at all

  7. Jack1
    • one year ago
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    well... now we'd look at where y is greater than 4 and draw it on the same graph and see where the 2 overlap have a look at the attached for reference

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  8. UsukiDoll
    • one year ago
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    given: we have to use at least 4 quarts for pineapple and papaya these equations/ inequalities...describes the situation x ≥ 4; y ≥ 4

  9. UsukiDoll
    • one year ago
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    and Jack just did that XD!

  10. UsukiDoll
    • one year ago
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    but should we assign x to be pineapple and y to be papaya?

  11. Jack1
    • one year ago
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    next, graph on the same plane, where x + y >or = to 9 eg x = 0, y = 9, x = 1, y =8, x = 2, y = 7... etc... connect these points and shade everything to the right... kinda similar to the attached ;)

  12. Jack1
    • one year ago
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    ok, now u try @sistrunk23 the last inequality is x + y is less than 15 so draw that line on the same graph you've been doing, and as it's LESS THAN... shade everything to the left of that line....

  13. Jack1
    • one year ago
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    k... so how are you going... do u need a hand?

  14. anonymous
    • one year ago
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    yeah

  15. anonymous
    • one year ago
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    i don't get this

  16. Jack1
    • one year ago
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    ok well|dw:1435926693841:dw| here's a graph... so solve the below 2 point for me: now if x + y = 15 then if x = 0, y = ???

  17. Jack1
    • one year ago
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    awww... gone... kk if u come back, it's a straight line, so 1 point is (0 , 15) and another is (15, 0) so draw those 2 points on the graph, and its LESS THAN, so shade everything to the left should end up looking something like the attached

  18. Jack1
    • one year ago
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    the circled bit is where everything overlaps, so yeah... its the section that follows all the rules, so it's what u want

  19. UsukiDoll
    • one year ago
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    so we were looking for intercepts x-intercept - set y =0 y-intercept - set x =0

  20. anonymous
    • one year ago
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    just forget it but thanks for trying to help me

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