Asked by sam
I had 12 of these problems got through all but the last one.
I need to show the steps
The Parkhursts used 160 yd of fencing to enclose a rectangular corral to divide it into two paths by a fence parallel to one of the shorter sides. Find the dimensions of the corral if its area is 1000 yd ^2 ( yd has a small 2 above the d)
show each step
I need to show the steps
The Parkhursts used 160 yd of fencing to enclose a rectangular corral to divide it into two paths by a fence parallel to one of the shorter sides. Find the dimensions of the corral if its area is 1000 yd ^2 ( yd has a small 2 above the d)
show each step
Answers
Answered by
drwls
Do you mean two parts instead of two paths? Is the 160 yards supposed to include the outer perimeter?
If so,
3a + 2b = 160 (a is the short side)
ab = 1000
Solve the simulataneous equations.
If so,
3a + 2b = 160 (a is the short side)
ab = 1000
Solve the simulataneous equations.
Answered by
sam
I am having problems with the steps in this problem you are correct I made a typo it is parts - not path
thanks sam
thanks sam
Answered by
drwls
The first equation I wrote says that the lotal length of fencing equals 160 yards. The second says the total area of the divided corral is 1000 yard^2. The rest of the problem becomes an exercise in solving simultaneous equations. Substitute 1000/a for b in the first equation and you will have an equation for a only.
3a + 2000/a = 160
Try to do the remaining steps yourself. Hint: convert to a quadratic equation). We will be glad to critique your work.
3a + 2000/a = 160
Try to do the remaining steps yourself. Hint: convert to a quadratic equation). We will be glad to critique your work.
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