3 years ago

Find the cube root of 27d3 + 54a2b + 36ab2 + 8b3

Mathematics

1 answer:

enot [183]3 years ago

8 0

Answer:

(3a + 2b)3

Step-by-step explanation:

STEP 1 :

Equation at the end of step 1

(((27•(a3))+((54•(a2))•b))+(36a•(b2)))+23b3

Step 2:

(((27•(a3))+((54•(a2))•b))+(22•32ab2))+23b3

Step 3:

(((27•(a3))+((2•33a2)•b))+(22•32ab2))+23b3

Step 4:

((33a3 + (2•33a2b)) + (22•32ab2)) + 23b3

Step 5:

Factoring: 27a3+54a2b+36ab2+8b3

You might be interested in

Koleman just received a 6% raise in salary. Before the raise he was making $52,000 per year. How much more will Koleman earn nex

pogonyaev

$52,000 + 6% = $55,120

If this helped you, would you mind answering one of my recent questions? Thanks!

7 0

3 years ago

Read 2 more answers

Which expression is equivalent to 7 2/3 ⋅ 7 1/4?

dimulka [17.4K]

Answer:

Step-by-step explanation:

Recall that $7^a\cdot 7^b = 7^{a+b}$

So now

$7^{2/3} \cdot 7^{1/3}\\= 7^{\frac{2}{3}+\frac{1}{4}}\\=7^{\frac{8}{12}+\frac{3}{12}}\\=7^{11/12}$

8 0

3 years ago

Read 2 more answers

What is the height of the box

PSYCHO15rus [73]

Answer:

8 in

Step-by-step explanation:

since the box is the same length in all sides, it is a cube.

length, width and height are all the same.

the volume is 512 in³.

and the volume of a cube is length×width×height = side length³.

512 = length³

length = 8 = width = height

7 0

3 years ago

David has 4 cars after 2 years he has 6 cars how many cars does he purchase per year

musickatia [10]

6 cars after 3 years

4 0

3 years ago

Read 2 more answers

Need help with these two questions

dlinn [17]

Answer:

The length for the first one is 97 degrees

8 0

3 years ago

Find the cube root of 27d3 + 54a2b + 36ab2 + 8b3​

Find the cube root of 27d3 + 54a2b + 36ab2 + 8b3