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noname [10]
3 years ago
15

Which of the following is a factor of 8x^3+1331

Mathematics
2 answers:
LUCKY_DIMON [66]3 years ago
8 0
2x-11
if you take the cube root of the entire answer
it would be 2x-11
grin007 [14]3 years ago
7 0

Answer:  The correct option is (D) None of the above.

Step-by-step explanation:  We are given to select the correct factor of the following expression :

E=8x^3+1331

We will be using the following factorization formula :

a^3+b^3=(a+b)(a^2-ab+b^2).

Therefore, the factorization of the given expression is as follows :

E\\\\=8x^3+1331\\\\=(2x)^3+11^3\\\\=(2x+11)((2x)^2-2x\times 11+11^2)\\\\=(2x+11)(4x^2-22x+121).

So, the required factors of the given expression are (2x + 11) and (4x² -22x +121).

None of these two are in the options.

Thus, (D) is the correct option.

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ahrayia [7]
To find the angle of vertex E,we need to first find the sum of interior polygons to determine x:
(number \: of \: sides - 2) \times 180
In this case,the equation would be:
(7-2)×180°
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=900°

We can then find the value of x:
(4)6x+(2)2x+8x=900°
24x+4x+8x=900°
36x=900°
x=25°

The interior angle of vertex E:

6x=6(25)=150°

Therefore,the interior angle of vertex E is 150°.

Hope it helps!
6 0
3 years ago
Harley read 5 books in january, 8 books in february, 4 books in march and 7 books in april. what is the average number of books
Andrej [43]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
Help me!! don’t give me the sample response though!
REY [17]

Answer:

They are both correct because, they both used the properties of equality.

Step-by-step explanation:

7 0
2 years ago
Can someone please explain step by step how to do it pls i dont get it
bekas [8.4K]

The answer is option d) T(Q+6.5) = R

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