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Anna35 [415]
3 years ago
11

4√6 •√3 how do I show work for this because the answer is 2√12​

Mathematics
1 answer:
Yuliya22 [10]3 years ago
5 0

Answer:

4 \sqrt{6}  \times  \sqrt{3}  = 12 \sqrt{2}

Step-by-step explanation:

We want to simplify the radical expression:

4 \sqrt{6}  \times  \sqrt{3}

We write √6 as √(2*3).

This implies that:

4 \sqrt{6}  \times  \sqrt{3}  = 4 \sqrt{2 \times 3}   \times  \sqrt{3}

We now split the radical for √(2*3) to get:

4 \sqrt{6}  \times  \sqrt{3}  = 4 \sqrt{2}  \times  \sqrt{3}  \times  \sqrt{3}

We obtain a perfect square at the far right.

4 \sqrt{6}  \times  \sqrt{3}  = 4 \sqrt{2}  \times  (\sqrt{3} )^{2}

This simplifies to

4 \sqrt{6}  \times  \sqrt{3}  = 4 \sqrt{2}  \times 3

This gives us:

4 \sqrt{6}  \times  \sqrt{3}  = 4 \times 3 \sqrt{2}

and finally, we have:

4 \sqrt{6}  \times  \sqrt{3}  = 12 \sqrt{2}

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rodikova [14]
There are two sets of coordinates that would form a square.

Coordinate set #1: (4, 0) and (4, 1)

Coordinate set #2: (2, 0) and (2, 1)

Hope this helps!
6 0
3 years ago
Find the surface area of the square pyramid.<br><br>square 4in<br><br>pyramid 6in h
dedylja [7]

Answer:

≈ 66.6

A=a2+2aa2

4+h2=42+2·4·42

4+62≈66.59644

7 0
3 years ago
Name 5 decimal numbers that are between 4.78 and 4.79. Explain your answer.
Karolina [17]
4.781, 4.782,4.783,4.784,4.785

I can't explain though:(
6 0
3 years ago
Read 2 more answers
Carlita saw 5 times as many robins as cardinals while bird watching. She saw a total of 25 birds. How many more robins did she t
andrew-mc [135]
Carlita was either sipping the hot chocolate while she was out, or else
approximating the numbers.  The exact number she reported is not
possible.  To see why, I'll do it strictly by the math:

Robins  =  5 times
Cardinals  =  1 time

Total birds  =  6 times 

6 times  =  25 birds

Divide each side by 6 :   1 time  =  25/6  =  4-1/6 birds

Robins =  5 times  =  20-5/6 of them
Cardinals  =  1 time  =  4-1/6 of them

Total:  (20-5/6) + (4-1/6)  =  25 birds.

How many more robins than cardinals  = (20-5/6) - (4-1/6) = 16-2/3 more. 

The math works out fine.  But if the numbers she reported are true,
then some of what she saw was partial birds ... legs, or feathers,
things like that.  Eeeew.   I don't want to talk about it.
7 0
3 years ago
Read 2 more answers
What value of x will make this expression equal to 28.1? A) x=0 is the only value that will make the expression equal to 28.1 B)
Nikolay [14]

Answer:

Any value except -3.44 will make the equation equal to 28.1

Step-by-step explanation:

We are told to multiply the quotient of the fraction by 28.1 to make 28.1. So, it is obvious that the fraction has to simplified to a one. This is possible with any number as whatever the value of x, the numerator and denominator will be equal. But, in the case of -3.44, it will make 5e fraction 0/0, which is undefined and never equal to 1.

I hope this helps

5 0
3 years ago
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