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Factorise : 64a cube minus 27b cube minus 144a square b plus 108ab square ​ . Plz Answer this question

Answers

Answer 1
Answer:

Answer:

The answer is 4a(16a^2+27b^2)-3b(9b^2+48b)

Step-by-step explanation:

step one:

let us re-write the expression in mathematical terms for clarity

we have the expression stated  below

64a^3-27b^3-144b^2+108ab^2    

step two:

We are going to collect like terms before factorization we have

    64a^3+108ab^2-27b^3-144b^2

We can now factorize the expression we have  

4a(16a^2+27b^2)-3b(9b^2+48b)

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You are playing a video game. For each diamond you collect, you earn 110 points. You also earn 80 bonus points by completing the level in less than 2 minutes. You need to earn more than 1620 points to continue on to the next level. Write and solve an inequality that represents the numbers d of diamonds you must collect in less than 2 minutes to advance to the next level.

Answers

Answer:

110d=1620

Step-by-step explanation:

110d=1620

divide by 110 on each side

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15 points​

Answers

1.B. 2.A 3.A 4.D 5.B

A club elects a president, vice-president, and secretary-treasurer. How many sets of officers are possible if there are 11 members and any member can be elected to each position? No person can hold more than oneoffice

Answers

11 members and we have to pick three without replacement.

_(11) C_(3)= 165

There are 165 possible sets of officers

Which expression shows the ASSOCIATIVE PROPERTY? 3 + a + b = a + 3 + b
3(ab) = (3a)b
(3 + a) + b = 3 + (a + b)
3 - a = 3 - b

Answers

Answer:

the first one

Step-by-step explanation:

What expression represents 16 more than 5 times a number, n?

Answers

The answer would be A) 5n + 16 because 5 is multiplying by n and +16 is adding 16 more .

Does anyone know how to do this? I’m lost

Answers

Answer: B

Step-by-step explanation:

To find the inverse function, you switch x with y and y with x. Then, you solve for y.

y=(x-1)^(2) -4                                  [switch x with y, and y with x]                        

x=(y-1)^2-4                                  [add both sides by 4]

x+4=(y-1)^2                                  [square root both sides]

√(x+4) =y-1                                    [add both sides by 1]

√(x+4) +1=y

f^-^1(x)=1+√(x+4)

Now that we know the inverse function, we can actually tell that the answer is B. We know this because of the restriction that f(x) is x≤1. This makes it positive, and B the answer.
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