Hey,um This is because this app keep's deleting my question'ssssssss
2 answers:
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Answer:
Total of 9 lengths of 4 inches can be taken out from a board of 3 feet
Step-by-step explanation:
length of board in feet = 3 ft
As
1 ft = 12 inches
So
Length of board in inch =
= 36 inches
Let no of 4 inches length be = x
The equation become
Total of 9 lengths of 4 inches can be taken out from a board of 3 feet
Answer:
n = 8
Step-by-step explanation:
-7n² = -448
=> n² = -448 / -7
=> n² = 64
=> n =
=> n = 8
Hope it helps :)
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