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notka56 [123]
3 years ago
6

A farmer has a triangular field with sides of 200 feet, 350 feet, and 400 feet. He wants to apply fertilizer to

Mathematics
1 answer:
deff fn [24]3 years ago
8 0

Answer:

<em> </em>=<em> 7 bags</em>

_______________

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dem82 [27]
What are u talking about
5 0
2 years ago
What is the inverse function of v(x) = 2/3 x - 1/6
vlabodo [156]
I dont know if this is right but I got: (6x+1)/4
6 0
3 years ago
The sides of a right triangle have a relationship as depicted below, where x is the length of the longer leg in inches.
Ratling [72]
The equation to represent the area of the triangle would be:
y = 1/2(x²) - (7/2)x

The equation to represent the perimeter of the triangle would be:
y = 3x - 6

The solutions to the system would be (12, 30) or (1, -3).  The only viable solution is (12, 30).

Explanation
The area of a triangle is found using the formula
A = 1/2bh

For our triangle, b = x and h = x-7, so we have:
A = 1/2(x)(x-7)
A = 1/2(x²-7x)
A = 1/2(x²) - (7/2)x

We will replace A with y, so we have:
y = 1/2(x²) - (7/2)x

The perimeter of a triangle is found by adding together all sides, so we have:
P = (x-7) + x + (x+1)

Combining like terms we get:
P = 3x - 6

We will replace P with y, so we have:
y = 3x - 6

Since both equations have y isolated on one side, it will be easy to use substitution to solve the system:

3x - 6 = 1/2(x²) - (7/2)x

It's easier to work with whole numbers, so we will multiply everything by 2:
6x - 12 = x² - 7x

We want all of the variables on one side, so we will subtract 6x:
6x - 12 - 6x = x² - 7x - 6x
-12 = x² - 13x

When solving quadratics, we want the equation equal to 0, so we will add 12:
-12+12 = x² - 13x + 12
0 = x² - 13x + 12

This is easy to factor, as there are factors of 12 that sum to -13; -12(-1) = 12 and -12+-1 = -13:
0 = (x-12)(x-1)

Using the zero product property, we know that either x-12=0 or x-1=0; therefore x=12 or x=1.

Putting these back into our equation for perimeter (the simplest one) we have:
y = 3(12)-6 = 36-6 = 30; (12, 30);
y = 3(1) - 6 = 3 - 6 = -3; (1, -3)

We cannot have a negative perimeter, so the only viable solution is (12, 30).
8 0
2 years ago
What’s the square root of 4
VLD [36.1K]
The answer is 2 two(2x2)=4

6 0
3 years ago
Oliver downloaded 15 apps for her phone that altogether, used 2,806 MB of space. If each app used the same amount of space, abou
shepuryov [24]

Step-by-step explanation:

I guess the answer is 187MB

4 0
2 years ago
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