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3 years ago

Which set of ordered pairs is a function

Mathematics

2 answers:

svet-max [94.6K]3 years ago

8 0

Answer:

(1, 1), (2, 2), (3, 3)

Step-by-step explanation:

it is increasing at a constant rate.

11Alexandr11 [23.1K]3 years ago

7 0

Answer:

(1, -1), (2,-2), (3, -3) (1, 1), (2, 2), (2, -2)

Step-by-step explanation:

some of them a (1-1) and some is (2, 2)

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If the probability of an event is 0.7 repeating, what are the odds against the event

ivann1987 [24]

So the probability is the number of favorable outcomes divided by the number of total outcomes. This means that the favorable outcomes are 7/9, and the unfavorable outcomes are 2/9. The odds against the event are the unfavorable outcomes. Therefore the odds against the event is 2/9, or 0.2 repeating. Hope this helps. Feel free to ask more questions, and feel free to ask questions about my explanation.

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3 years ago

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alisha [4.7K]

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3 years ago

SUppose the total cost C(x) to manufacture a quantity x of insecticide (in hundreds of liters) is given by

Hitman42 [59]

Answer:

a) $C(x)$ is increasing in two regions: (i) $(+\infty, 8\,s)$ and (ii) $(10\,s,+\infty)$ .

b) $C(x)$ decreases in $(8\,s, 10\,s)$ .

Step-by-step explanation:

Let $C(x) = x^{3}-27\cdot x^{2}+240\cdot x +850$ , where $x$ is the quantity of insecticide, measured in hundreds of liters, and $C(x)$ is the total manufacturing cost as a function of the quantity of the insecticide, measured in US dollars. A possible approach to determine which regions of $C(x)$ are decreasing and increasing by means of the first derivative and graphing tools. The first derivative of the function is:

$C'(x) = 3\cdot x^{2}-54\cdot x+240$ (1)

Please notice that regions where C(x) is increasing has $C'(x) > 0$ , whereas $C'(x) < 0$ when $C(x) < 0$ .

We notice that $C(x)$ is increasing in two regions: (i) $(+\infty, 8\,s)$ and (ii) $(10\,s,+\infty)$ . Besides, $C(x)$ decreases in $(8\,s, 10\,s)$ .

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3 years ago

What two number can you add to get 20 and multiply to get 28

katrin2010 [14]

The factors of 28 are 1 x 28, 2 x 14, and 4 x 7. None of which add up to 20.

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3 years ago

Andrea works at a clothing store and makes a 15% commission. If she sells $20,000 this month how much will she make

Deffense [45]

She will make 23,000 dollars because 15% of 20,000 is 3,000 dollars, add 3000 to 20000 and you get 23,000. Hope this helps!

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3 years ago