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Ratling [72]
3 years ago
9

5-9 please Thanks for your time

Mathematics
2 answers:
Reil [10]3 years ago
4 0
#5 add 12                     52
#6 add 1.4                    10.1
#7 add 2/4                     4 1/4
#8 subtract 5.5              8
#9 subtract 7.1              14.4
o-na [289]3 years ago
3 0
Five minus nine is negative four...
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If i sale 120 tickets at $25 each how much money will be made
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120tickets*25$=3000$
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3 years ago
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The sum of three consecutive numbers is 123. what is the smallest of the three numbers
bixtya [17]

Answer:

Smallest of the three = 40

Step-by-step explanation:

Consecutive means: x+x+1+x+2 = 123 set X as the smallest number.

x+x+x+1+2=123

3x+3=123

3x= 120

x=40

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Which fraction has a repeating decimal as decimal expansion
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3 years ago
Pls find m&lt;1 TYSM! **the answer is not 40**
vovangra [49]

Step-by-step explanation:

Does that make sense to u??

7 0
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.
Radda [10]

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)}

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

3 0
1 year ago
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