It has been estimated that a student’s final grade in a course decreases by 5 points for every 2 days absent from class. If a st
1 answer:
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<h2>x = 3</h2>
Step-by-step explanation:
Step 1 Use 3 to open the bracket
Step 2: Collect like terms and simplify
Step 3: Divide both sides by 7
Ok I think it means that the length 
of the rectangle is 2 m more than is width 
...
The area is A=
so:
Solving this equation (using the quadratic formula) you get 2 solutons. The only acceptable is the positive one, i.e.
, the length will then be 
.
The area is A=
so:
Solving this equation (using the quadratic formula) you get 2 solutons. The only acceptable is the positive one, i.e.