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Ber [7]
3 years ago
8

Write an expression for the sentence, 2 less than 9 times z

Mathematics
2 answers:
docker41 [41]3 years ago
6 0

Answer:

9z-2

Step-by-step explanation:

nekit [7.7K]3 years ago
3 0

9z-2

9 times z = 9z

2 less = 9z - 2

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The length of a rectangular deck is 4 times it’s width. If the deck’s perimeter is 30ft, what is the deck’s area?
ioda

Try this solution (note, this is not the shortest way):

1. if the given length is 'l' and the width is 'w', then according to the condition 4*l=w;

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3. if to substitute '4*l' instead of 'w', the formula of the perimeter (from item no. 2) will be as 2(4*l+l)=30 or 10*l=30 ⇒ l=3 ft. The length is 3 ft.!

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substitute the given
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