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wlad13 [49]
3 years ago
13

Varsha runs 3.2 km a day how far does varsha run in a 9 days

Mathematics
2 answers:
ale4655 [162]3 years ago
4 0
I’m pretty sure the answer is 28.8%
marysya [2.9K]3 years ago
3 0
28.8 km should be correct
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A system contains n atoms, each of which can only have zero or one quanta of energy. How many ways can you arrange r quanta of e
My name is Ann [436]

Answer:

\mathbf{a)} 2\\ \\ \mathbf{b)} 184 \; 756 \\ \\\mathbf{c)}  \dfrac{(2\times 10^{23})!}{(10^{23}!)(10^{23})!}

Step-by-step explanation:

If the system contains n atoms, we can arrange r quanta of energy in

                         \binom{n}{r} = \dfrac{n!}{r!(n-r)!}

ways.

\mathbf{a)}

In this case,

                                n  = 2, r=1.

Therefore,

                    \binom{n}{r} = \binom{2}{1} = \dfrac{2!}{1!(2-1)!} = \frac{2 \cdot 1}{1 \cdot 1} = 2

which means that we can arrange 1 quanta of energy in 2 ways.

\mathbf{b)}

In this case,

                                n  = 20, r=10.

Therefore,

                    \binom{n}{r} = \binom{20}{10} = \dfrac{20!}{10!(20-10)!} = \frac{10! \cdot 11 \cdot 12 \cdot \ldots \cdot 20}{10!10!} = \frac{11 \cdot 12 \cdot \ldots \cdot 20}{10 \cdot 9 \cdot \ldots \cdot 1} = 184 \; 756

which means that we can arrange 10 quanta of energy in 184 756 ways.

\mathbf{c)}

In this case,

                                n = 2 \times 10^{23}, r = 10^{23}.

Therefore, we obtain that the number of ways is

                    \binom{n}{r} = \binom{2\times 10^{23}}{10^{23}} = \dfrac{(2\times 10^{23})!}{(10^{23})!(2\times 10^{23} - 10^{23})!} = \dfrac{(2\times 10^{23})!}{(10^{23}!)(10^{23})!}

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3 years ago
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artcher [175]

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3

Step-by-step explanation:

The diagonal line on the left decrements first by 13, then 11, then 9, then 7, which means for row 1 it decrements by 5. 8-5=3. The number is also 3 when you look at the diagonal line on the right. It starts on the bottom as decrements of 15, then 13, then 11, then 9, and finally 7. 10-7=3.

5 0
3 years ago
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Cloud [144]

Answer:

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Step-by-step explanation:

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Answer:

<h2>X = 4.5</h2>

Step-by-step explanation:

So we have two equations.

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We want to find the coordinates in which they intersect.

BUT They never intersect, They are parallel to each other leaving us with a

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When you are trying to solve for x you want to get rid of the y's and simply put on your paper:       35x+40 = 40x+17.5

Then you distribute, in which I am not going to show because that too many steps lol. But you'll get:

x=4.5

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Yo can someone help me with math, and explain please and thank you
LUCKY_DIMON [66]

Answer:

I re-calculated many times and this is what i got.

1 is B

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Step-by-step explanation:

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