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Nina [5.8K]
3 years ago
12

A builder wishes to fence in 30,000 m2 of land in a rectangular shape. for security reasons, the fence along the front part of t

he land will cost $50 per meter, while the fence for the other three sides will cost $10 per meter. how much of each type of fence should the builder buy to minimize the cost of the fence?
Mathematics
1 answer:
Vanyuwa [196]3 years ago
6 0
70 pesos por que los sumas
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Help plzzz!! Marking most Brainly;)
kolezko [41]

Answer:

D it

Step-by-step explanation:

We have two equations, A quadratic and a linear equation.

The domain of a linear equation and quadratic equation is all real numbers but since it dealing with time we must make sure the roots or x-intercepts is positive.

Looking at the quadratic equation, we can use the discramnt formula to see if all roots are positve.

b {}^{2} - 4ac

{ - 6}^{2}  - 4(1)(8.75)

36 - 35 = 1

The discramnt is greater than zero so there is two distinct real roots. So let check if they are positve

If you graph the equation, it intercepts at two positve roots so it is D

3 0
2 years ago
Can somebody please help i’ll make you brainlest answerr
RideAnS [48]

Answer:

3

Step-by-step explanation:

subtract

8 0
3 years ago
The bakery you choose cost $1000 per month to rent. The bakery that you almost rented was one fourth for the cost but was too sm
Len [333]
25 x 4 equals 100. and 250 x 4 =1000. so  one fourth of 1000 is 250.
5 0
3 years ago
F(x) = ax2 - 12, g(x) = 2x +3, and f(3) = 24. What<br> is the value of g(f(2)) ?
elixir [45]
<h2>Answer:    g(f(2))  = 11</h2>

Step-by-step explanation:

g(f(2)) is substituting the value of f(2) for x in g(x). But we must first find f(2).

We know that f (x) = ax² - 12

Since f(3) = 24

  ⇒ a(3²) - 12 = 24

       9 a  = 36

          a  = 4

∴ f(2) = (4)(2²) - 12

         =  4

 

⇒ g(f(2)) = 2(4) + 3

             = 11

6 0
2 years ago
Read 2 more answers
If /|| m, what is the value of X?
Elis [28]

Answer:

43° is correct answer

Step-by-step explanation:

Like me

4 0
3 years ago
Read 2 more answers
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