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3 years ago

13 mins left oh gees oh gosh

Mathematics

1 answer:

gavmur [86]3 years ago

7 0

Answer:

I think that it is a quadratic

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Let A={Φ,{Φ},{Φ,{Φ}}} and B={1,2}. How many relations from A into B?

ahrayia [7]

Answer: There are 64 relations from A to B.

Step-by-step explanation:

Number of relation from set A to B = $2^{\text{ (Number of eklemnts in A x B)}}$

$=2^{\text{(Number of elements in set A ) x (Number of elements in set B)}}$

Since, A={Φ,{Φ},{Φ,{Φ}}} and B={1,2}

i.e. Number of elements in set A = 3

Number of elements in set B = 2

So, Number of relation from set A to B = $2^{3\times 2}$

$= 2^6= 64$

Hence, there are 64 relations from A to B.

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3 years ago

Which two lines appear as if they will never intersect? Select all that apply.

Nastasia [14]

C, and D. They’re parallel so they’re never going to cross.

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Parallel lines <br><br> What is the segment

Helga [31]

Answer:

Step-by-step explanation:

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Simplify square root of ten times square root of eight.

Romashka-Z-Leto [24]

<h2>Explanation:</h2><h2></h2>

Here we need to simplify the square root of ten times square root of eight, so let's write this step by step:

Step 1. The square root of ten

$\sqrt{10}$

Step 2. The square root of eight

$\sqrt{8}$

Step 3. The square root of ten times square root of eight

$\sqrt{10}\times \sqrt{8} \\ \\ \\ \text{From radical property:} \\ \\ \sqrt{a}\times \sqrt{b}=\sqrt{ab} \\ \\ \\ So: \\ \\ \sqrt{10}\times \sqrt{8}=\sqrt{80} \\ \\ \\ But: \\ \\ \sqrt{80}=\sqrt{16\time5}=\sqrt{16}\sqrt{5}=4\sqrt{5}$

Finally, the correct option is:

<em>Four square root of five</em>

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