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Alex17521 [72]
3 years ago
11

Help!!!!!!!!!!!!!!!!!!!!!! I’m not good at math

Mathematics
2 answers:
Assoli18 [71]3 years ago
8 0
Hope I was able to help. The missing number on the first is 7 and the answer for the second question is 5y +15 z

Rufina [12.5K]3 years ago
6 0
Multiply the 5 by both terms in the ()
5(y+3z) = 5y+15z
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A rectangular plot of ground is 5 meters longer than it is wide, It’s area is 20,000 square meters
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I'm assuming you're looking for the dimensions of the plot.  I'm going with that.  ;)  If the length of the plot is 5 meters longer than the width, then L = w + 5.  The area for a rectangle is L*w, and we have an area value of 20,000 so our formula is 20000=(w+5)(w) and 20,000=w^2+5w.  We will bring the 20,000 over by subtraction and set the polynomial equal to 0 to factor and solve for w.  w^2+5w-20,000=0  Solving for w we get values of w=138.9 and -143.9.  Of course the 2 things in math that will never EVER be negative are time and distance/length, so -143.9 is out.  Our width is 138.9 and the length is 138.9 + 5 so the length is 143.9.  And there you go!  Hope that's what you needed!
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3 years ago
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sp2606 [1]

Answer:

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Step-by-step explanation:

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