25.53kg/3h
25.53/3
= 8.51kg/h
She took 10h to make 85.1kg of dough
25.53/3
= 8.51kg/h
She took 10h to make 85.1kg of dough
find the equation of the line passing through the points (2,4) and (3,2). find both green and grey box
1 answer:
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This question is solved applying the formula of the area of the rectangle, and finding it's width. To do this, we solve a quadratic equation, and we get that the cardboard has a width of 1.5 feet.
Area of a rectangle:
The area of rectangle of length l and width w is given by:
w(2w + 3) = 9
From this, we get that:
Solving a quadratic equation:
Given a second order polynomial expressed by the following equation:
.
This polynomial has roots such that
, given by the following formulas:
In this question:
Thus a quadratic equation with
Then
Width is a positive measure, thus, the width of the cardboard is of 1.5 feet.
Another similar problem can be found at brainly.com/question/16995958