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victus00 [196]
3 years ago
8

Write the answer in standard form.

Mathematics
2 answers:
viktelen [127]3 years ago
6 0

Answer and step-by-step explanation:

We learn that (a+b)^3 = a^3 + 3a^2b + 3ab^2 + b^3

So in this case, it would be:

= x^3 + (3*x^2*2) + (3*x*2^2) + 2^3

= x^3 + 6x^2 + 3x * 4 + 8

= x^3 + 6x^2 + 12x + 8

This is the standard form of the equation

Hope it help you :3

Mnenie [13.5K]3 years ago
6 0
3( x + 2 )^2
This is the answer if u asked about the Derivation of it
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The following chart shows the number of rows in an auditorium and the total number of seats. What equation defines the number of
Anastaziya [24]

Answer:

<em>Answer: c) S=20R+60</em>

Step-by-step explanation:

<u>Linear Model</u>

The chart supplied shows the number of rows (R) in an auditorium and the total of seats (S).

We'll find the equation that relates them. The equation of a line can be expressed in the slope-intercept form:

S = mR + b

Where m is the slope and b is the intercept.

The slope is found by:

\displaystyle m=\frac{S_2-S_1}{R_2-R_1}

We'll use two sample points (20,460) and (45,960):

\displaystyle m=\frac{960-460}{45-20}=\frac{500}{25}

m = 20

The value of b can be found by using one of the points, for example (20,460), and having m=20:

460 = 20*20 + b

Thus: b = 460 - 400 = 60.

The equation is:

S = 20R + 60

You can test the other points and check they belong to the same line.

Answer: c) S=20R+60

5 0
3 years ago
Please help me with this problem.
masha68 [24]

Answer:

\sqrt{2} is irrational number. It cannot be given as the ratio of two integers.

examples of an irrational numbers: \sqrt{7}, \sqrt{5}, π....

  1. examples of a rational numbers 5,\frac{7}{4}, \frac{1}{1000}....

Step-by-step explanation:

6 0
3 years ago
Find the perimeter of the figure to the nearest hundredth.
Kryger [21]

Hello!

Your answer should be 26.85.

We can use the formula of pi d or 2 pi r for the circumference.

You would get 5 pi.

But since its not a full circle you would divide it in half and get 2.5 pi.

2.5 pi is equal to 7.85.

Now we can use the equation 7.85 + 7 + 7 + 5

That would equal our answer... 26.85!

Hope this helps!

3 0
3 years ago
Use the distributed property to simplify the expression 6(x+4)+1
valkas [14]

Answer:

6x + 25

Step-by-step explanation:

6(x + 4) + 1

6x + 24 + 1

6x + 25

4 0
3 years ago
Read 2 more answers
What is the greatest common factor of 4k, 18k4, and 12?
levacccp [35]
Factor each
4k=2*2*k
18k⁴=2*3*3*k*k*k*k
12=2*2*3

GCF=2


the greatest common factor is 2
7 0
3 years ago
Read 2 more answers
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