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Digiron [165]
1 year ago
11

2. You are placing mulch in your yard, and you find that pine chips cost $5 per bag, while oak chips cost $2 per bag. You want t

o minimize total cost. Let x be the number of bags of pine chips and y be the number of bags of oak chips. Define the objective function for this problem.c =
Mathematics
1 answer:
Stella [2.4K]1 year ago
6 0

Solution

Let x be the number of bags of pine chips and y be the number of bags of oak chips.

You find that pine chips cost $5 per bag, while oak chips cost $2 per bag.

The minimized total cost is

\min c=5x+2y

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kiruha [24]

Answer:

No solution

Step-by-step explanation:

We have

$\sum_{x=8}^{4}x^2 + 9\left(\dfrac{\cos^2(\infty)}{\sin^2(\infty)} \right)$

For the sum it is not correct to assume

$\sum_{x=8}^{4}x^2= 8^2 + 7^2+6^2+5^2+4^2 = 64+49+36+25+16 = 190$

Note that for

$\sum_{x=a}^b f(x)$

it is assumed a\leq x \leq b and in your case \nexists x\in\mathbb{Z}: a\leq x\leq b for a>b

In fact, considering a set S we have

$\sum_{x=a}^b (S \cup \varnothing) = \sum_{x=a}^b S + \sum_{x=a}^b \varnothing $ that satisfy S = S \cup \varnothing

This means that, by definition \sum_{x=a}^b \varnothing = 0

Therefore,

$\sum_{x=8}^{4}x^2 = 0$

because the sum is empty.

For

9\left(\dfrac{\cos^2(\infty)}{\sin^2(\infty)} \right)

we have other problems. Actually, this case is really bad.

Note that \cos^2(\infty) has no value. In fact, if we consider for the case

$\lim_{x \to \infty} \cos^2(x)$, the cosine function oscillates between [-1, 1] , and therefore it is undefined. Thus, we cannot evaluate

9\left(\dfrac{\cos^2(\infty)}{\sin^2(\infty)} \right)

and then

$\sum_{x=8}^{4}x^2 + 9\left(\dfrac{\cos^2(\infty)}{\sin^2(\infty)} \right)$

has no solution

7 0
3 years ago
Solve this <br> |2x-2|+6b
Anna71 [15]

Answer:

Step-by-step explanation:

its not letting me put the resolts but you can use this link and i hope it helps you :)

https://mathsolver.microsoft.com/en/solve-problem/%7C%202x-2%20%20%7C%20%20%2B6

6 0
3 years ago
What’s the area of a rectangle measuring 13in tim12 in ?
Evgesh-ka [11]

Answer:

156 sq in

Step-by-step explanation:

If you have a rectangle measuring 13 inches by 12 inches, you will consider the side with 13 inches as the length of the rectangle and the one with 12 inches as the width of the rectangle.

The area of a rectangle is obtained by multiplying the length by the width... so, you'll get:

A = 13 in x 12 in = 156 square inches

4 0
3 years ago
Howard read 1/16 of a book each day until he finished both books how many days did I take howard to read both books​
Luden [163]

Answer:

32

Step-by-step explanation:

because 16+16 is 32

7 0
3 years ago
I’m not sure what to do here please help me.
Tatiana [17]

Answer:

400 cm

Step-by-step explanation:

4*100=400 cm

4 0
3 years ago
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