biancaapere7
14.01.2020 •
Mathematics
The length of one side of a square field is represented by the expression 3 - 7x. a: write an expression for the perimeter of the field expression as a sum. b: what is an expression for the perimeter of the field expressed as a product.c: use the distributive property to write the product in part b as an equivalent expression
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Ответ:
Step-by-step explanation:
length of one side= 3-7x
Part A
perimeter = 3-7x + 3-7x + 3-7x + 3-7x
= 12 - 28x
Part B
perimeter = 4 (3-7x)
= 12 -28x
Ответ:
2 + m - 1 + m
Step-by-step explanation:
3m + 1 - m
= 2m + 1
= m + m + 2 - 1
= 2 + m - 1 + m