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3 years ago

PLZ ANSWER THIS QUICK! THANK U!!

Mathematics

1 answer:

vampirchik [111]3 years ago

4 0

There is 33 students in the class

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a manufacturer has determined that if his company sells x items per day then their profit is given by P=-x^2+ 700 x-10000 euros.

Radda [10]

Answer:

Step-by-step explanation:

To find the minimum amount of items, x, that need to be sold for the manufacturer to make a profit, we can use the quadratic formula

$x = \frac{-b+\sqrt{b^{2}-4ac } }{2a}; x= \frac{-b-\sqrt{b^{2}-4ac } }{2a}$

$x= \frac{-700+\sqrt{700^{2}-4(a)(-10000) } }{2(1)}; x= \frac{-700-\sqrt{700^{2}-4(a)(-10000) } }{2(1)}$

$x= \frac{-700+\sqrt{530000} }{2}; x= \frac{-700-\sqrt{530000} }{2}$

$x=\frac{-700+100\sqrt{53} }{2}; x=\frac{-700-100\sqrt{53} }{2};$

$x=-350 + 50\sqrt53 = 14.005; x = -350 - 50\sqrt53 = -714.005$

In context of the problem, we can only rely on the positive value, as the negative value would lead to a loss of profit.

$(-714.005)^2+700(-714.005)-10000=-0.360$

Furthermore, we must round to the nearest whole number, as you cannot make part of an item.

Lastly, if you were to plug in 14 into the equation for Profit, you would still have a negative number (i.e. a negative profit), thus requiring the manufacturer to make no less than 15 items to make a profit:

$(14)^2+700(14)-10000=-4\\\\(15)^2+700(15)-10000=725$

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2 years ago

the cost to rent skis at a local sporting goods store is $15 plus $20 per day. which equation models the relationship between th

Andrew [12]

Answer:

c = 20d + 15

Step-by-step explanation:

answer choices may help if the answer is not one of the choices; but here is the answer that it should be:

20 dollars per day is 20 times the length of rental.

15 is a cost that is added and does not change.

c = the total cost therefore:

c = 20d + 15

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3 years ago

Y'all don't make fun of me or anything my brains not working but this is a real question a triangle is 3 sides and a square has

Xelga [282]

Answer:

Lol, you're correct no worries!

Step-by-step explanation:

Yes a triangle has 3 sides and a square has 4 sides :)

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3 years ago

A combination of numbers and operations is called formula: true or false?

FinnZ [79.3K]

Answer:

true

Step-by-step explanation:

its actually false

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3 years ago

Is 10/9 closer to 0 1/2 or 1

Viktor [21]

The answer is the number 1.

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3 years ago