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colrow1968
30.01.2020 •
Mathematics
Isabella is building a tree fort .the base of the fort is 78 inches wide by 92 inches long. what is the area of the base in square inches? show your work what is the area of the base in square feet? show your work
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Ответ:
Part a) The area of the base is![7,176\ in^{2}](/tpl/images/0484/1550/764e3.png)
Part b) The area of the base is![49\frac{5}{6}\ ft^{2}](/tpl/images/0484/1550/65062.png)
Step-by-step explanation:
we know that
The area of a rectangle is equal to
Part a)
we have
substitute
Part b)
we know that
Convert inches to feet
substitute in the formula
Convert to mixed number
Ответ:
8.) 3
9.) x+5
10.) 50x/2x-5
11. 3n4-n3(cubed)/n3+n2-n-1
Step-by-step explanation: