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3 years ago

Statistics..

Mathematics

1 answer:

ch4aika [34]3 years ago

7 0

1 of 2 type of lettuces
1 of 4 vegetables
1 of 7 dressings

2*4*7 = 56 different salads

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Express 8.5x10 in standard form

Greeley [361]

85.
The answer would be 85
because 8.5 x10 is 85

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3 years ago

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An office supply store carries several types of all-in-one printers. For one particular model, the business managers are trying

-Dominant- [34]

Answer: it will be 75

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4 years ago

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On a bike ride, Aaron travels 6 miles east of his apartment and then 8 miles north. If, at this point, Aaron decided to travel a

Minchanka [31]

Answer:

10 miles

Step-by-step explanation:

Use pythagorean theorem:

$6^{2} +8^{2} = 10^{2}$

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3 years ago

Which number equals (3)^-3<br> A)-27<br> B)-9<br> C)-1/27<br> D)1/27

insens350 [35]

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4 years ago

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A manufacturer sells video games with the following cost and revenue functions (in dollars) where x is the number of games sold,

enot [183]

Answer:

Therefore the profit interval is (0,2200).

Step-by-step explanation:

Given cost and revenue function are respectively,

$C(x)= 0.32x^2-0.00004x^3$

and

$R(x)= 0.848x^2-0.0002x^3$

where x is the number of game sold, $0\leq x\leq 3300$ .

Therefore the profit function is

P(x)= R(x)-C(x)

$=0.848x^2-0.0002x^3-(0.32x^2-0.00004x^3)$

$=0.848x^2-0.0002x^3-0.32x^2+0.00004x^3$

$=0.528x^2 -0.00016x^3$

To determine the profit interval where profit function increasing, we have to find the critical point of P(x). We set the first order derivative equal to 0.

Therefore,

$P'(x) = 1.056 x - 0.00048 x^2 =0$

⇒x(1.056-0.00048 x) =0

$\Rightarrow x = 0$ or, $x= \frac{1.056}{0.00048} =2200$

Now choose two point one is less than 2200 and other is greater than of 2200.

We choose x= 1000 and x= 2000

Now

$P'(1000) = 1.056 \times 1000- 0.00048 (1000)^2 = 576$ >0

$P'(2000) = 1.056 \times 2000- 0.00048 (2000)^2 = -1152$ <0

Therefore the profit interval is (0,2200).

5 0

4 years ago