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Zolol [24]
3 years ago
10

(a²-4) (9-b²) +24ab algebraic factorization​

Mathematics
1 answer:
Anastasy [175]3 years ago
7 0

Answer: -a2b2 + 9a2 + 24ab + 4b2 - 36

Step-by-step explanation:

A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

AB = BA is the commutative property of multiplication.

- AB + AB equals zero and is therefore eliminated from the expression.

Pharaphrase it if used.

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Wayne is picking out some movies to rent, and he is primarily interested in dramas and horror films. He has narrowed down his se
katovenus [111]

Answer:

The number of selections is 49.

Step-by-step explanation:

drama = 7

horror films = 16

Select 3 movies at least two dramas

For 2 drama and 1 horror film

(3 C 2) x (16  C 1) = 48

For 3 drama

(3 C 3) = 1

So, total number of selections is 48 + 1 = 49.  

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3 years ago
Please solve this it's on khan academy :(
Elena-2011 [213]

Answer:

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Step-by-step explanation:

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3 years ago
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What is the value of 0.8–0.6? Write your answer as a fraction in lowest terms
Nesterboy [21]

Given expression:

  • 0.8 - 0.6

To simplify the expression as a fraction in simplest form, let us multiply both terms by 10. Then, both terms must also be divided by 10.

   \implies \dfrac{[10(0.8) - 10(0.6)]}{10}

   \implies \dfrac{[8 - 6]}{10}

   \implies \dfrac{[2]}{10} = \dfrac{2}{10}

When 2/10 is simplified in lowest terms, we get;

   \implies \dfrac{2}{10} \implies \dfrac{1 \times 2}{5 \times 2} \implies \dfrac{1}{5}

Therefore, 0.8 - 0.6 in fraction form is 1/5.

4 0
2 years ago
Distribute -(6 - 4p) TWELVE POINTS FOR YOUR ANSWER!!
storchak [24]

Answer:

-6+4p

Step-by-step explanation:

-(6-4p)

-1(6-4p)

-1*6=-6

-1*-4p=4p

-6+4p

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3 years ago
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0.12 devided by 3.6??
Gennadij [26K]
It'd be 0.033 with 3 going till infinity
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