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ad-work [718]
3 years ago
8

Evaluate using the given values.​

Mathematics
1 answer:
Alex17521 [72]3 years ago
7 0

Answers:

1)1 1/2

2)-18

3)10

4)-10

5)8

6)-1/2

7) 34

8)-6

9)-1/2

10) 1

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The amount of water is 30 gallons a minute

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Manson bought 8 1/4 feet of wire. He cut off a piece of wire 3 5/12 feet long and used it for his science project. How much wire
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He has 4 10/12 wire left

Step-by-step explanation:

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I am having the hardest time trying to solve this equation, can someone please help? It's Geometry's line segments.
SIZIF [17.4K]

Answer:

KL = 6

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1. (0, 1)


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3 years ago
The total monthly profit for a firm is P(x)=6400x−18x^2− (1/3)x^3−40000 dollars, where x is the number of units sold. A maximum
wlad13 [49]

Answer:

Maximum profits are earned when x = 64 that is when 64 units are sold.

Maximum Profit = P(64) = 2,08,490.666667$

Step-by-step explanation:

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We will use double derivative test to find maximum profit.

Differentiating P(x) with respect to x and equating to zero, we get,

\displaystyle\frac{d(P(x))}{dx} = 6400 - 36x - x^2

Equating it to zero we get,

x^2 + 36x - 6400 = 0

We use the quadratic formula to find the values of x:

x = \displaystyle\frac{-b \pm \sqrt{b^2 - 4ac} }{2a}, where a, b and c are coefficients of x^2, x^1 , x^0 respectively.

Putting these value we get x = -100, 64

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\displaystyle\frac{d^2(P(x))}{dx^2} = -36 - 2x

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Hence, maxima occurs at x = 64.

Therefore, maximum profits are earned when x = 64 that is when 64 units are sold.

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