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ki77a [65]
2 years ago
9

What is negative 4/5 plus negative 3/8

Mathematics
2 answers:
xxMikexx [17]2 years ago
4 0
I hope this helps you

dalvyx [7]2 years ago
3 0
-(4/5)+(-3/8)
-(4/5)-(3/8)
Least common denominator of 8 and 5 is 40.
5 times what equals 40? Add the answer to the numerator of -(4/5) and the answer is -(32/40).
Do the same to the next fraction and the answer is -(15/40).
Add the two together and the answer is -(47/40).

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Answer:

Width=37in

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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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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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2 years ago
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