Answer: <em>6.6 meters a week</em>
Step-by-step explanation:
<em>This problem is quite simple</em>
<em>You take 80 and divide it by 12</em>
<em>80/12 </em>
<em>which equals</em>
<em>6.6</em>
Answer:
Step-by-step explanation:5,7 3,9
Answer:
0.209205
Step-by-step explanation:
I put it in the calculator and got this...
Answer:
(x,y) = (3x,3y)
Step-by-step explanation:
Answer:

Step-by-step explanation:
The formula that is used to calculate the area of a rectangle is:

Where "l" is the lenght and "w" is the width.
You know that the area of that rectangle is:

And, according to the exercise, its lenght is 7 more than its width; then:

Then, you can make the corresponding substitution into the formula
:

Simplify:

Factor the equation. Find two numbers whose sum is 7 and whose product is -744. These are 31 and -24.
Then, you get:

The width of the rectangle is the positive value:

Then, the lenght is:
