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kirill [66]
3 years ago
7

What is the length of BC

Mathematics
2 answers:
aalyn [17]3 years ago
6 0
The answer is d. 12...
son4ous [18]3 years ago
6 0
I think the answer is c

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Expand and simplify x(x + 2)(x + 4)
babymother [125]

Answer:

Step-by-step explanation:

Comment

Expand the second and 3rd factors first. Then worry about the x.

Solution

x(x + 2)(x + 4)

<em>first</em>: x * x =  x^2

<em>Outside</em>: 4*x = 4x

<em>Inside</em>: 2*x = 2x

<em>Last:</em> 2*4 = 8

Combine

x^2  + 4x + 2x + 8

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Now is the time to worry about the extra x

x(x^2 + 6x + 8)

remove the brackets.

x*x^2 + x*6x + 8*x                

Combine

Answer: x^3 + 6x^2 + 8x            

           

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strojnjashka [21]
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During a winter's night, the low temperature was recorded at 19oF. The wind-chill temperature that night was -7^oF. What was the
erastovalidia [21]

Answer:

-26oF

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