A certain field is a rectangle with a perimeter of 918 feet. The length is 181 feet more than the width. Find the width and leng
th of the rectangular field The width is? feet. The length is ? feet.
1 answer:
Answer:
Width: 139 feet
Length: 328 feet
Step-by-step explanation:
Hello, great question. These types are questions are the beginning steps for learning more advanced Geometry Problems.
I have created an illustration to help you better understand the situation and have attached it below. Based on the illustration we can use the formula for the perimeter. We know that the regular formula for the perimeter of a rectangle is
Now we can just plug in the values shown in the illustration.
.... distribute the 2
... subtract 362 on both sides
... divide by 4 on both sides
Finally, we can see that the value of W is 139 feet. Therefore the value of L is,
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.
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9514 1404 393
Answer:
- 20 months
- $5500
Step-by-step explanation:
There are a couple of ways to work a problem like this. You have probably been taught to write equations for each of the payment amounts as a function of time, then equate those values to solve for the time that makes them equal.
at dealer 1, the total amount paid (y) will be a function of months (x):
y = 2500 +150x
at dealer 2, the corresponding equation is ...
y = 3000 +125x
These are equal when ...
y = y
2500 +150x = 3000 +125x
25x = 500 . . . . . . . . . subtract 125x +2500 from both sides
x = 500/25 = 20
The total paid will be the same after 20 months.
That amount is ...
y = 2500 +150(20) = 5500
$5500 will be paid to either dealer after 20 months.
__
The other way to work the problem is to "cut to the chase". The difference in down payment is made up at the rate of difference in monthly payments. So The number of monthly payments (x) required to equal the difference in down payments is ...
25x = 500 . . . . . . . . . you may recognize this equation from above
x = 500/25 = 20
