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bogdanovich [222]
3 years ago
5

How many terms will the following expression have once it is simplified?

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
5 0

Answer:

B


Step-by-step explanation:

<em>Let's multiply this out and combine like terms:</em>

3x(x+1)+x\\=3x^2+3x+x\\=3x^2+4x


So there are 2 terms.

Answer choice B is right.

stepladder [879]3 years ago
3 0

Answer:

B. 2

Step-by-step explanation:

we are given

3x(x+1)+x

Firstly, we will distribute 3x

a(b+c)=a\times b+a\times c

we can use this formula

and we get

3x(x+1)+x=3x\times x+3x\times 1+x

3x(x+1)+x=3x^2+3x+x

now, we can combine like terms

3x(x+1)+x=3x^2+4x

we can see that there are two terms after simplifying

so, there are two terms

option-B

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The number of possible seats is an illustration of permutation

There are 1728 possible sitting arrangements

<h3>How to determine the number of seats</h3>

From the question, we have the following highlights:

  • Chris can only take 1 seat (i.e. the central seat)
  • Jo can take 2 seats (i.e. the seats adjacent the central seat)
  • Alex, Barb and Dave can take 3! number of seats
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So, the number of sitting arrangement is:

n = 1 * 2 * 3! * 3! * 4!

Evaluate the product

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Hence, there are 1728 possible sitting arrangements

Read more about permutation at:

brainly.com/question/12468032

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2 years ago
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BARSIC [14]

Look carefully at the first pair:  (−3, 9), (−3, −5)  Note that x does not change, tho' y does.  This is how we recognize a vertical line (whose slope is undefined).  The equation of this vertical line is x = -3.

Looking at the second pair:  from (3,4) to (5,6), x increases by 2 and y by 2; thus, the slope is m = rise/run = 2/2 = 1.

Third pair:  as was the case with the first pair, x does not change here, and thus the equation of this (vertical) line is x=0 (which is the y-axis).  The slope is undefined.

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Answer:

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48/8÷3/8=6

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Answer:

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