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SIZIF [17.4K]
2 years ago
15

Yyyeeeeeeeee 1-2k-2k=5

Mathematics
2 answers:
kherson [118]2 years ago
5 0

Answer:

k=-1

Step-by-step explanation:

1-2k-2k=5

1-4k=5

4k=1-5

4k=-4

k=-4/4

k=-1

victus00 [196]2 years ago
3 0
Ye ye lil doggies, k=-1
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Hey if you're willing to help me with this, it will be very much appreciated, thanks maties and mates.
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Answer:

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Step-by-step explanation:

Let x in be the width dimension, the length dimension will be x+18 in. Area of a rectangle is calculated as A=lw. Given  the area as2143 sq in, x can be calculated as:

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#Substitute for every x in our function to find the true value of x:

x=37\\\\A=x^2+18x\\\\=37^2+18\times37\\\\=2035 \ in^2#l=37+18=55in

for x=38:

x=38\\\\A=x^2+18x\\\\=38^2+18\times38\\\\=2128 \ in^2#l=38+18=56in

For x=39:

x=39\\\\A=x^2+18x\\\\=39^2+18\times39\\\\=2223 \ in^2#l=39+1854in

From the calculations above, A television with a width of 37 in and length 55in has its area closest to 2143 sq in.

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Step-by-step explanation:

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