karenaustin5
06.01.2020 •
Mathematics
Arectangle has side lengths (x + 5) and (2x - 1) meters.
write and expression that represents the perimeter of the rectangle.
a. 3x +4
b. (x + 5) + (x + 5) + (2x - 1) + (2x - 1)
c. 6x + 8
d. (x + 5) (2x - 1)
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Ответ:
b. (x + 5) + (x + 5) + (2x - 1) + (2x - 1)
Step-by-step explanation:
expression of perimeter of rectangle is Width+width+length+length
or 2 x Width + 2 x Length
Ответ:
Step-by-step explanation:circumference = pi x diameter.
Using 3.14 for pi
Circumference = 3.14 x 7.5 = 23.55
Rounded to the nearest tenth = 23.6