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-Dominant- [34]
3 years ago
14

Find the distance between the points (-15,3) and (-9,8)

Mathematics
1 answer:
avanturin [10]3 years ago
5 0

Answer:

6666.6vhvggg

Step-by-step explanation:

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10 POINTS!!! FULL ANSWER WITH FULL STEP BY STEP SOLUTION PLEASE
Inga [223]
A) Profit is the difference between revenue an cost. The profit per widget is
  m(x) = p(x) - c(x)
  m(x) = 60x -3x^2 -(1800 - 183x)
  m(x) = -3x^2 +243x -1800
Then the profit function for the company will be the excess of this per-widget profit multiplied by the number of widgets over the fixed costs.
  P(x) = x×m(x) -50,000
  P(x) = -3x^3 +243x^2 -1800x -50000

b) The marginal profit function is the derivative of the profit function.
  P'(x) = -9x^2 +486x -1800

c) P'(40) = -9(40 -4)(40 -50) = 3240
  Yes, more widgets should be built. The positive marginal profit indicates that building another widget will increase profit.

d) P'(50) = -9(50 -4)(50 -50) = 0
  No, more widgets should not be built. The zero marginal profit indicates there is no profit to be made by building more widgets.

_____
On the face of it, this problem seems fairly straightforward, and the above "step-by-step" seems to give fairly reasonable answers. However, if you look at the function p(x), you find the "best price per widget" is negatve for more than 20 widgets. Similarly, the "cost per widget" is negative for more than 9.8 widgets. Thus, the only reason there is any profit at all for any number of widgets is that the negative costs are more negative than the negative revenue. This does not begin to model any real application of these ideas. It is yet another instance of failed math curriculum material.

3 0
3 years ago
Proving lines parallel!!! please help
Fynjy0 [20]

Answer:

B.

Step-by-step explanation:

Since C and A are parallel

and B is perpendicular to C

then B is also perpendicular to A

meaning they have the same angle so 90 Degrees.

4 0
3 years ago
REEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
Nataly_w [17]

Answer:

B

Step-by-step explanation:

3 0
2 years ago
Roger made a table showing he sleeps 3/8 of a day. How many days will go by before roger has slept the equivalent of one day?
Ludmilka [50]

Answer:

2.66 days

Step-by-step explanation:

We know that a day has 24 hours, so if Roger sleeps 3/8 of a day that means that he sleeps 3/8 • 24 which equals to 9 hours.

Now we want to know how many days it takes Roger to sleep an equivalent of a day if he sleeps 9 hours a day. So:

24 h / 9 h = 2.66 days

Of course we can do it in an easier way, in fractions:

1 : 3/8 = 8/3

8/3 = 2.66 days

6 0
3 years ago
100.2and 19.400 which is greater​
trasher [3.6K]

Answer:

19.400

Step-by-step explanation:

19.400 equals out to 42769.67886386625

7 0
2 years ago
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