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natita [175]
2 years ago
5

Joint and Combined Variations

Mathematics
2 answers:
Zinaida [17]2 years ago
4 0

Answer:

answer rounded to the nearest tenth would be 10 liters

Step-by-step explanation:


Crazy boy [7]2 years ago
3 0
10 * 450 / 404 * 36 / 40 = <span> <span> <span> 10.0247524752 liters

Source:
http://www.1728.org/combined.htm

 </span></span></span>



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Chelsea has 11 times as many art brushes as Monique. If they have 60 art brushes altogether, how many brushes does Chelsea have?
notsponge [240]
Let Monique's number of art brushes be m.
Then, since Chelsea has <span>11 times as many art brushes as Monique, Chelsea has 11m brushes.

Together they have 60 art brushes, so we write the equation:

                                              m+11m=60.

This means that 12m=60, dividing both sides of the equation by 12 we get m=5.

Chelsea has 11m=11*5=55 brushes.

Answer: 55</span>
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Dalia flies an ultralight plane with a tailwind to a nearby town in 1/3 of an hour. On the return trip, she travels the same dis
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Dalia had an average airspeed of ⇒ 42 miles per hour.
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In a poker hand, John has a very strong hand and bets 5 dollars. The probability that Mary has a better hand is .04. If Mary had
mr_godi [17]

Answer:

When Mary raises the probability that she has a better hand is 0.273

Step-by-step explanation:

In the poker game it is given that the probability that Mary has a better hand than John is 0.04.

Let the event that Mary has a better hand than John be A.

Let the event that that Mary raises the stakes be B.

It is also given that if Mary has a better hand than John then she would raise with a probability of 0.9

Therefore p(B | A) = 0.9

If Mary has a poorer hand she will raise with a probability of 0.1

Therefore p(B | A') = 0.1

Given that Mary raises the probability that she has a better hand is given by

p(A | B)

 = \frac{p(A\cap B)}{p(B)} = \frac{p(A)p(B | A)}{p(A)p(B | A) + p(A')p(B | A')}  = \frac{(0.04 \times 0.9) }{(0.04 \times 0.9) + (0.96 \times 0.1)}  = \frac{36}{36 + 96}  = \frac{36}{132}  = \frac{3}{11}

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So when Mary raises the probability that she has a better hand is 0.273

3 0
2 years ago
Carey is organizing her books and putting them on
Aleksandr [31]
They are multiplying by 4 each set of numbers
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The graph of f(x) = 4x3 – 13x2 + 9x + 2 is shown below. On a coordinate plane, a function is shown. The function starts from the
iris [78.8K]

Answer:

3

Step-by-step explanation:

f(x) = 4x^3 – 13x^2 + 9x + 2

This looks complicated but all we need to find are the Roots

We are looking for when y=0

So given each part of the information, we can label how many times it happens

<em>The function starts from the bottom of quadrant 3: </em><u>Starts lower left</u>

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<em>and then through the y-axis at (0, 2). : It's now on the 2nd quartile</em>

<em>It then starts to curve down at (0.5, 4): It's moving towards y=0</em>

<em>until it reaches (1.75, negative 0.5).: </em>It has now passed y=o and there are TWO ROOTS

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This polynomial function has 3 ROOTS

<em />

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2 years ago
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