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
qaws [65]
2 years ago
13

"Question": Expand (2x-3y)^3 Real question: Why am I not ace rank yet?

Mathematics
2 answers:
Hitman42 [59]2 years ago
5 0

Answer: (6x-3y)3 or maybe not possible to do

Step-by-step explanation

multiply 3x2 and get 6. Multiply 3x3 and get 9.

Vladimir [108]2 years ago
4 0

Answer:

We use the above identity: (a+b) 3 =a 3 +3a 2 b+3ab 2 +b 3 . Take a=2x and b=3y and we get

(2x+3y) =(2x) 3 +3(2x) 2 (3y)+3(2x)(3y) 2 +(3y) 3 =8x 3 +36x 2 y+54xy 2+27y 3

Step-by-step explanation:

You might be interested in
What is the value of x in the equation log(x+2) - log(x-1) = log 2​
pentagon [3]

Step-by-step explanation:

log(x+2)-log(x-1)=log2

log(x+2)/(x-1)=log2

=> (x+2)=2(x-1)

=>x+2 =2x-2

=> x=4

5 0
3 years ago
Can someone help me with this. I tried to total all them up with 180 but none of the answers i got match the ones from the riddl
Vladimir79 [104]

Answer:

9. x=102

10. x=56

11. x=104

12. x=138

Step-by-step explanation:

9.  In this problem, they are alternate exterior angles, meaning they are the same value.  x=102

10.  x is a corresponding angle, meaning they are the same. x=56

11. There are consecutive interior angles. The sum of these two angles is 180. to find x, subtract 76 from 180.  180-76 = 104  x = 104

12. These two angles are verticle angles, meaning they are equivalent. x = 138

6 0
3 years ago
Three of exterior angle of n-sided polygon are 50° each two of it's interior angle are 127° and 135° and the remaining interior
irga5000 [103]

Answer:

The value of n is 21.

Step-by-step explanation:

We are given that three of the exterior angle of the n-sided polygon are 50° each two of its interior angle are 127° and 135° and the remaining interior angle are 173 each.

As we know that the sum of all exterior angles of the polygon is 360°. Also, the number of remaining interior angles will be (n - 5).

And, the exterior angle = 180° - the interior angle.

So, according to the question;

(3 \times 50) + (180-127) + (180 - 135) + (n - 5)\times (180-173) =360

150 + 53 + 45 + 7(n - 5) = 360

248 + 7n - 35 = 360

213 + 7n = 360

7n = 360 - 213

7n = 147

n = \frac{147}{7}

n = 21

Hence, the value of n is 21 and this is a 21-sided polygon.

4 0
3 years ago
Find the standard form of the equation of the parabola with a vertex at the origin and a focus at (0, 9). I need help
Juliette [100K]
From the given data:<span> vertex at the origin and a focus at (0, 9), the parabola should be facing upwards. In this case, the length of the latus rectum is 9 units which is a. Hence the equation becomes y = 4 (9) x^2. The equation is equal to y = 36 x^2. The standard form is 36 x^2 - y = 0.</span>
3 0
3 years ago
Larissa is measuring fabric to make a homecoming banner. She knows that the fabric is 1 and 1/2 yard wide. If she wants her bann
WINSTONCH [101]
It’s very confusing but just think ab it
8 0
3 years ago
Other questions:
  • Please help:<br> In PQR, sin P=64, sin R=35, and r=21. Find the length of p.
    15·1 answer
  • one of the world's largest stained glass windows is at kennedy International Airport in New York. It is a rectangle with a heigh
    6·1 answer
  • Tessellations
    7·2 answers
  • What is the distance in between coordinate points -10 and 15 and 15 and 15
    8·2 answers
  • What is the median of the set of number 6, 8, 8, 8, 21, 11, 20, 18
    7·2 answers
  • Helpppp it’s my friends birthday
    11·1 answer
  • Place the indicated product in the proper location on the grid.<br> (2a^x+1/2b^x)^2
    9·2 answers
  • Length of wall is 13.5m calculate the area in cm2 ​
    9·2 answers
  • The table shows the admission prices for an amusement park.<br> Which graph shows this function?
    12·1 answer
  • What is the algabric way to find the area of a triangle
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!