What is a real world problem using mixed numbers who some is one and three

1 answer:

mote1985 [20]4 years ago

8 0

Yesterday, Jake laid down 2/3 yards of duct tape on his tile floor. His friends wanted the line to be longer. Jake laid down 2/3 yards more duct tape. How long is the line of duct tape now?

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HELP! Might have to zoom in

stealth61 [152]

To graph a line, first put the equation into slope-intercept form: $y=mx+b$ . So what can we do with our equation, $-3y=x-6$ , to get it into slope-intercept form? If we divide both sides of the equation by $-3$ , we get $y=-\dfrac{x}{3}+2$ . This gives us several pieces of information. Remember that the constant term, the one without a variable, tells us the y-coordinate of the y-intercept. The y-intercept is where the graph crosses the x-axis. So here, the constant term is 2; so the y-intercept is (0,2). That is one of the points. Now what does the slope represent? It is rise/run. Here it is -1/3. So from our y-intercept, (0,2), we can go down one unit and to the right 3 units. This new point is (3,1). From that point we can apply that again: go down 1 and right 3 units to get another point, (6,0).