1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
belka [17]
3 years ago
13

Use the sum of cubes identity to find the factors of the expression

E%7B3%7D" id="TexFormula1" title="8x^{6} +27y^{3}" alt="8x^{6} +27y^{3}" align="absmiddle" class="latex-formula">. Write your answer in the form of the expression on the right of the sum of cubes identity.
Mathematics
1 answer:
eimsori [14]3 years ago
4 0

The left term is 8x⁶ = (2x²)³.

The right term is 27y³ = (3y)³.

The sum of cubes identity is

... a³ +b³ = (a +b)(a² -ab +b²)

Filling in the values for <em>a</em> and <em>b</em>, the factors of your expression are ...

... (2x² +3y)(4x⁴ -6x²y +9y²)

You might be interested in
Suppose a bus arrives at a bus stop every 30 minutes.
Alona [7]
Answer is: a)6 because you divide 30 by 5
5 0
3 years ago
What is 23 divided by 1000
KiRa [710]
The answer to 23 divided by 1000 is 0.023
5 0
3 years ago
Read 2 more answers
Round 5,784 to the nearest ten
viva [34]

Answer:

I think you might mean 5.784 and if that is the case it would be 5.8

Step-by-step explanation:

5.8 would be the answer because 8 is closer to 10 than 0 so 7 would be rounded up to 8

6 0
3 years ago
What are the solutions of x^2-2x+5=0
sweet [91]

The solution of x^{2}-2 x+5=0 are 1 + 2i and 1 – 2i

<u>Solution:</u>

Given, equation is x^{2}-2 x+5=0

We have to find the roots of the given quadratic equation

Now, let us use the quadratic formula

x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}  --- (1)

<em><u>Let us determine the nature of roots:</u></em>

Here in x^{2}-2 x+5=0 a = 1 ; b = -2 ; c = 5

b^2 - 4ac = 2^2 - 4(1)(5) = 4 - 20 = -16

Since b^2 - 4ac < 0 , the roots obtained will be complex conjugates.

Now plug in values in eqn 1, we get,

x=\frac{-(-2) \pm \sqrt{(-2)^{2}-4 \times 1 \times 5}}{2 \times 1}

On solving we get,

x=\frac{2 \pm \sqrt{4-20}}{2}

x=\frac{2 \pm \sqrt{-16}}{2}

x=\frac{2 \pm \sqrt{16} \times \sqrt{-1}}{2}

we know that square root of -1 is "i" which is a complex number

\begin{array}{l}{\mathrm{x}=\frac{2 \pm 4 i}{2}} \\\\ {\mathrm{x}=1 \pm 2 i}\end{array}

Hence, the roots of the given quadratic equation are 1 + 2i and 1 – 2i

6 0
3 years ago
A credit card gives you access to?
marissa [1.9K]
A) your money

hope this is right!
please let me know
6 0
3 years ago
Read 2 more answers
Other questions:
  • Number 12 letter C please
    5·2 answers
  • An auto manufacturing company wanted to investigate how the price of one of its car models depreciates with age. The research de
    7·1 answer
  • PLEASE HELP
    14·2 answers
  • The circumference of a 8in circle
    8·1 answer
  • Here is an inequality: -2x &gt; 10<br> List 3 values for x that would make this inequality true.
    9·1 answer
  • Brooke went to the hardware store and bought 20 identical copper pipes. When Brooke lined up the pipes end-to-end, the line was
    15·1 answer
  • Question 2 of 20, Step 1 of 1
    15·1 answer
  • Determine if line AB is tangent to the circle. Please help!!
    13·1 answer
  • Tiana’s car traveled 111 miles on 3/8 of a tank of gas. How far will she be able to go on a full tank of gas?
    6·1 answer
  • What is the equation to the parabola
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!