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Vera_Pavlovna [14]
2 years ago
14

Help pleaseeeeee I don't understand stand this

Mathematics
1 answer:
likoan [24]2 years ago
3 0

Answer:

the first one is 19-11

Step-by-step explanation:

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A backyard pool has a concrete walkway around it that is 5' wide on all sides the total area of the pool and the walkway is 950'
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The dimensions of the pool would give a quadratic equation x² + 28x - 770 = 0

<h3>How to determine the dimension</h3>

For the pool, we have that;

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Length = x + 8 + 5 + 5 = (x + 18) feet

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Using the  FOIL method, we have;

(x × x )+ (x × 10) + (18 × x) + (18 × 10) = 950

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collect like terms

x² + 28x - 770 = 0

Thus, the dimensions of the pool would give a quadratic equation x² + 28x - 770 = 0

Learn more about area of a rectangle here:

brainly.com/question/14137384

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\huge\colorbox{red}T\colorbox{orange}h\colorbox{yellow}a\colorbox{green}n\colorbox{blue}k\colorbox{purple}s

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