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Liula [17]
3 years ago
7

Which of the following is the correct factorization of 27x³ - 8?

Mathematics
2 answers:
anyanavicka [17]3 years ago
6 0
(3x-2)(9x²+6x+4) I think that's it
bekas [8.4K]3 years ago
3 0

Answer:The second choice

Step-by-step explanation:

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What property is this?<br><br> (3x+2)+16=3x+(2+16)
Jlenok [28]

Answer:

It is Associative property :))

Step-by-step explanation:

5 0
2 years ago
A partial sum of an arithmetic sequence is given. Find the sum.
Nezavi [6.7K]

Answer:

72.3

Step-by-step explanation:

Given that:

The arithmetic sequence:

\sum \limits ^{14}_{k=0} (3 + 0.26k)

The first term of the sequence a_0 = 3 since k = 0

i.e (3 + 0.26(0)) = 3

The last term of the sequence a_{14} = 6.64

i.e (3+ 0.26(14)

= (3 + 3.64)

= 6.64

Total no of terms = 15 i.e from 0 to 14

∴

The partial sum of the arithmetic sequence = \dfrac{Total \ no \ of \ terms }{2}  \times (a_o+a_{15})}

=\dfrac{15 }{2}  \times (3+6.64)}

= 72.3

3 0
3 years ago
What is 5(7-2)-4x4????
Gnoma [55]

What is 5(7-2)-4x4=9

9 is ur anser

Hope this helps!!!

4 0
3 years ago
Read 2 more answers
Does anyone know this because clearly i dont
alina1380 [7]
I think it’s either A or C
6 0
2 years ago
Read 2 more answers
Csc α - sin α =cos α cot α<br> Show how this is an identity?
Savatey [412]
Csc a - sin a = cos a cot a
1/sin a - sin a = cos a (cos a / sin a)
(1 - sin^2 a)/sin a = cos^2 a/sin a
cos^2 a/sin a = cos^2 a/sin a

Therefore, the given equation is an identity.
8 0
3 years ago
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