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asambeis [7]
3 years ago
12

Type the correct answer in each box. Consider the sum of cubes identity: a3 + b3 = (a + b)(a2 − ab + b2). For the polynomial 8x3

+ 27, a = and b = .
Mathematics
1 answer:
zhuklara [117]3 years ago
4 0

Answer:

a = 2x, b = 3.

Step-by-step explanation:

8x^3+27 = (2x)^3 + 3^3

a = 2x and b = 3.

We can cube root 8x^3 getting 2x and cube root 27 getting 3.

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Please help need an explanation Solve |3 - x| = 8
Ksenya-84 [330]
<span><span>|3−x|</span>=8 

</span><span><span>|<span>−x+3</span>|</span>=8</span>Solve Absolute Value.<span><span>|<span>−x+3</span>|</span>=8

</span>We know either   <span><span>−x+3</span>=8 </span>or<span><span>−x+3</span>=−8</span><span><span>−x+3</span>=8    </span>(Possibility 1)   <span><span><span>−x+3</span>−3</span>=8−3                      </span>(Subtract 3 from both sides)<span>−x=5</span>−x−1=5−1  <span>

</span><span><span>        </span></span>(Divide both sides by -1)   <span>x=−5</span><span><span>−x+3</span>=−8   </span>(Possibility 2)   <span><span><span>−x+3</span>−3</span>=<span>−8−3     </span></span>(Subtract 3 from both sides)   <span>−x=−11</span><span><span>−x−1</span>=<span>−11−1                                                          </span></span>(Divide both sides by -1)x=11Answer:<span><span>x=<span>−<span><span>5 or </span>x</span></span></span>=<span>11

(math papa) </span></span>
8 0
3 years ago
What is the area of the square
ahrayia [7]

Answer:

56 - 6√12

Step-by-step explanation:

If s = side length = √2 - 3√6, then:

A = area of square = s² = (√2 - 3√6)²

                                       = (√2 - 3√6)(√2 - 3√6)

                                       = 2 - 3√12 - 3√12 + 9(6)

                                        = 2 - 6√12 + 54, or

                                        = 56 - 6√12 is the area of the square.

5 0
3 years ago
Select the correct answer.
Papessa [141]

Answer:

Step-by-step explanation:

Where's the graph?

8 0
3 years ago
Read 2 more answers
68,347 rounded tp the nearest hundred​
kondor19780726 [428]
68,309 one hundred percent sure
4 0
4 years ago
Write a division problem that has a 3 digit dividend and a divisor between 10 and 20
posledela
Dividend means the number to be divided, the divisor is the number you divide with. 

It sounds like you just need to divide a three-numbered integer by a number between 10 and 20.

Example:         Dividend -->  333÷16  <-- Divisor
5 0
3 years ago
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