3 years ago

What is the answer?

Mathematics

1 answer:

Aleonysh [2.5K]3 years ago

7 0

Answer:

Not similar.

Step-by-step explanation:

The answer is D.

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8) Factor each sum or difference of cubes completely.<br> a. 8x3 + 27

ASHA 777 [7]

Answer:

$\large\boxed{(2x+3)(4x^2-6x+9)}$

Step-by-step explanation:

$8=2^3\\\\8x^3=2^3x^3=(2x)^3\\\\27=3^3\\\\8x^3+27=(2x)^3+3^3\qquad\text{use}\ a^3+b^3=(a+b)(a^2-ab+b^2)\\\\=(2x+3)\bigg((2x)^2-(2x)(3)+3^2\bigg)=(2x+3)(4x^2-6x+9)$

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3 years ago

Need assistance please thanks.

Nitella [24]

I guess the answer is 66

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3 years ago

What is 3.06 rounded to the nearest whole number

Gnom [1K]

3.06 rounded to the nearest whole number is 3.
.06 is much closer to 0 than it is to 1, so round down.
3.06 rounded down is 3, so that is your answer.

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3 years ago

2. Determine the point of intersection for the equations below without graphing. Show all work.

Murljashka [212]

I’m pretty sure you would have to make them equal
1. 3x -10=7x+14
2. Add 10 to both sides
3. 3x=7x+24
4. Subtract the variable ( 7x ) from both sides
5. -4x=24
6. Divide -4/24
I hope I did it right let me know if any errors

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4 years ago

How do you simply the square root of 28

maria [59]

$\sqrt{28}$ can be rewritten as ;
= $\sqrt{7*4}$
= $\sqrt{4} * \sqrt{7}$
=2 $\sqrt{7}$

3 0

3 years ago