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Anit [1.1K]
3 years ago
12

A city plans to build a new rectangular-shaped park. The perimeter of the park will be 940 meters. The width of the park will be

300 meters. What will be the length, in meters, of the new park?
Mathematics
1 answer:
xz_007 [3.2K]3 years ago
3 0

Answer: 170 meters.

Step-by-step explanation:

1. The formula for calculate the perimeter of a rectangle is:

P=2l+2w

Where l is the lenght and w is the width.

2. You must solve for the lenght.

3. The problem gives the perimeter and the width, then, when you substitute these values you obtain the following result:

2l=P-2w\\l=\frac{P-2w}{2}\\l=\frac{940m-2(300m)}{2}\\l=170m

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<span>Let the extension of the length and width be x.
 The new dimensions are: Length = 8+x
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 Area = 104 ft squared
 Area of a rectangle = Length x Width
 Therefore,
(8+x)(3+x) = 104
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3 years ago
A 100- Acre almond farm in the San Joaquin Valley of California purchases irrigation water at a rate of $264 per acre-foot. An a
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8 0
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Find the equation of the line that passes through (-1,3) and is perpendicular to 2y=x−1. Leave your answer in the form y=mx +c A
Lostsunrise [7]

Answer:

y = -2x + 1.

Step-by-step explanation:

2y = x - 1

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If line X is perpendicular to line Y (the line where y = 1/2y - 1/2), the slope will be the negative reciprocal of line Y. That means that there will be a negative sign instead of positive, and the 1/2 will be flipped to become 2/1, which is 2.

So, the slope will be -2.

We now have y = -2x + c.

To find c, simply put in -1 for x and 3 for y.

3 = -2 * -1 + c

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c + 2 = 3

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So, the equation of the line is y = -2x + 1.

Hope this helps!

8 0
3 years ago
Read 2 more answers
144 coins are divided equally among some children. If there were 3 children fewer, each child would have 16 coins. How many chil
enot [183]

Answer:

12

Step-by-step explanation:

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8 0
3 years ago
Please someone help with this!!
Radda [10]
i really hope this helps!
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