bhopainting
08.10.2021 •
Mathematics
A piano has a length of 8 feet and a width of x+2 feet, write an expression in simplest form of the perimeter of the piano.
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Ответ:
2(x + 10)
Step-by-step explanation: you have to add all of the perimeter sides together so you will have to times the length by 2 so your equation would be (8 × 2 = 16). Then the width by 2 ( 2 × (x+2) = 2x + 4) now you add them together
16 + 2x + 4
2x + 20
Now you have to take out the highest common factor which is 2
So it will be 2(x + 10)
Ответ:
a. $1.60
b. $8/3 which is about $2.67
Step-by-step explanation:
a. five friends in total. 8/5 = 1.6
b. three friends left. 8/3 =~ 2.67