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sveta [45]
3 years ago
15

Farmer Ed has7500 meters of fencing, and wants to enclose a rectangular plot that borders on a river. If Farmer Ed does not fenc

e the side along the river, what is the largest area that can be enclosEd?
Mathematics
2 answers:
Nataly [62]3 years ago
8 0
First let's find out what would the sides of a square be.

7500 / 4 = 1875

Now we have 1875 as the sides and double at the top.

So 1875 * 3750 = 7031250 meters squared

timurjin [86]3 years ago
7 0

<u>Answer:</u>

7,031,250 m^2

<u>Step-by-step explanation:</u>

We know that:

<em>Area of a rectangle = length x width</em>

Also, since the rectangular plot shares a border with a river so Farmer Ed only needs to fence rest of the three sides therefore, we can write it as:

F = x + 2y

7500 = x + 2y

Solving this equation for x, we get:

x = 7500 - 2y --- (i)

Now substitute this value of x in the Area of rectangle:

Area = (7500 - 2y) * y

Area = -2y^2 + 7500y --- (ii)

The coefficient of -2 means that the largest area will be at:

-7500 / [2 (-2) ] = 1875 so y = 1875

So substituting this value of y in the equation (i) we get:

x = 7500 - 2(1875)

x = 7,031,250 m^2

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leonid [27]

Answer:

NO. Alex was wrong.  

The total dive distance is 21 + 17 = 38 feet

Step-by-step explanation:

Alex was wrong because his direction of diving is from above the water through the surface of the water to under the water.

So his direction of travelling is not opposite but the same.

Therefore the total distance traveled by Alex = distance traveled from the diving board to the water surface + distance traveled from the water surface to down below the water  

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Total distance traveled by Alex = 21 feet + 17 feet

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Thus, Alex was wrong because the the total distance traveled by Alex was 38 feet.

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andrew11 [14]

Answer:

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alukav5142 [94]

Answer:

u=-1

Step-by-step explanation:

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From the amounts that are given, the ratio of the earnings will be 3:2:1.

<h3>How to calculate ratio</h3>

From the information, the eldest earns R270, the middle child earns R180 and the youngest earns R90.

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Learn more about ratio on:

brainly.com/question/2328454

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