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VikaD [51]
3 years ago
8

you are permitted a 50-pound check bag for free on your flight to Florida your bag weighs 32 pounds. write and solve an inequali

ty that represents how much weight you can add to your bag.
Mathematics
1 answer:
Savatey [412]3 years ago
6 0

Answer:The mean is most likely exactly 27.5 pounds,  is true about the given statement The median weight of a checked bag is 27.5 pounds.

Explanation:

Median weight of a checked bag is= 27.5 pounds

it means , if there are n bags , the middlemost bag has weight 27. 5 pounds.

For , a data set, if it is symmetrical on both sides that is if difference between two succeeding values are same,then

Median = Mean

Otherwise , in some cases

Either, Median > Mean or Mean > Median.

Supposing each bag to be Equivalent, that is if they have equal weight,

Mean can't exceed ≥ 27.5 Pounds

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artcher [175]

Answer:

B.  $42.60.

Step-by-step explanation:

On the first day  price is 43.85 + 2.70 = $46.55

second  day       price is 46.55 + 2.70 = $49.25

For the next 2 days  it goes down $1.10 so the price is  $49.25 - 2.20=$47.05

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2 years ago
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.
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Answer:

15

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)}

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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.

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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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