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
Ne4ueva [31]
4 years ago
5

What is the expanded form of 3x(x+3)^2?

Mathematics
1 answer:
Dominik [7]4 years ago
7 0
We need to expand the square binomial and then multiply:
<span>3x(x + 3)^2
= 3x(x + 3)</span>(x + 3<span>)
= 3x(x^2 + 6x + 9)
= 3x^3 + 18x^2 + 27x</span>
You might be interested in
Find the area please!!!!
Murrr4er [49]

Answer:

244

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Solve the system of equations using row operations. Write your answer in the form (x, y).
Sonja [21]

Answer:

(5, - 4 )

Step-by-step explanation:

Given the 2 equations

2x + 3y = - 2 → (1)

3x - y = 19 → (2)

Multiplying (2) by 3 and adding to (1) will eliminate the y- term

9x - 3y = 57 → (3)

Add (1) and (3) term by term to eliminate y

(2x + 9x) + (3y - 3y) = (- 2 + 57), that is

11x = 55 ( divide both sides by 5 )

x = 5

Substitute x = 5 into either of the 2 equations and solve for y

Substituting into (1)

2(5) + 3y = - 2

10 + 3y = - 2 ( subtract 10 from both sides )

3y = - 12 ( divide both sides by 3 )

y = - 4

Solution is (5, - 4 )

8 0
3 years ago
In ΔOPQ, PQ = 17, QO = 9, and OP = 15. Which statement about the angles of ΔOPQ must be true?
77julia77 [94]

Answer:

All angles are different.

Internal angles can be acute, obtuse, or right angle.

The smallest side is opposite to the smallest angle and the longer side is opposite to the larger angle.

Step-by-step explanation:

Given - In ΔOPQ, PQ = 17, QO = 9, and OP = 15.

To find - Which statement about the angles of ΔOPQ must be true?

Proof -

As given,

In ΔOPQ, PQ = 17, QO = 9, and OP = 15.

As all the sides of the given triangle is different, So the given triangle is a Scalene triangle.

Now,

We know that , In Scalene triangle -

All sides are different.

All angles are different.

Internal angles can be acute, obtuse, or right angle.

The smallest side is opposite to the smallest angle and the longer side is opposite to the larger angle.

6 0
3 years ago
Find the x-y intercepts of the graph 3x+2y=12
Olin [163]

The x-intercept is (4,0).

The y-intercept is (0,6).

8 0
4 years ago
Read 2 more answers
The weights of 5 girls are 70 pounds, 68 pounds, 85 pounds, 62 pounds, and 70 pounds. Nina finds measures of center and measures
Zarrin [17]

Answer:

mean

Step-by-step explanation:

brainliest please

4 0
3 years ago
Other questions:
  • What two numbers have an absolute value of 6?
    8·2 answers
  • The height in meters of a projectile is modeled the function h(t)= -5t^2+25, where t is the time in seconds. a) Find the point w
    14·1 answer
  • Mr. Perez went to his favorite restaurant for lunch. his lunch cost $15.00. what was the total bill if yes left a 20% tip?
    12·1 answer
  • Rewrite as a simplified fraction help please<br>ty _<br> 0.3 = ?
    13·1 answer
  • I need to find y but I think I need to solve for x first?
    10·2 answers
  • Specify three fractions with different denominators that have an LCD of 24
    14·1 answer
  • The points (-1,2) and (4,y) have a slope of -4/5. what is the y-coordinate of the point (4,y)
    9·1 answer
  • You are on the high school basketball team. The ball you use has a diameter of 9 inches. What is the volume of the ball? Use 3.1
    12·1 answer
  • Please give me the correct answer and please explain how you found the answer ​
    14·1 answer
  • Approximate 12256 to 3 significant figures​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!