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GenaCL600 [577]
3 years ago
13

Solve for substitution x-2y+z=-11 3x+2y-z=7 -x+2y+4z=-9

Mathematics
1 answer:
Alla [95]3 years ago
6 0

Answer:

Unit rate miles per day is, 3

Step-by-step explanation:

Unit rate are defined as the rate are expressed as quantity of 1 such that 2 miles per hour or 5 km per hour.

As per the given statement: A construction crew built 1/2 miles of road in 1/6 days

by unit rate definition;

After substituting the given values we have

⇒  

or

Therefore, unit rate miles per day is, 3

Step-by-step explanation:

hhhthhg

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