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aliina [53]
3 years ago
11

What is the factorization of 81a6 - 100? (9a2 − 10)(9a3 + 10) (9a2 − 10)(9a3 − 10) (9a3 − 10)(9a3 + 10) (9a3 − 10)(9a3 − 10)

Mathematics
1 answer:
pychu [463]3 years ago
4 0

Answer:

(9a³ − 10)(9a³ + 10)

Step-by-step explanation:

Difference of squares

(9a³ − 10)(9a³ + 10)

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the slope is 5

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What are the solutions of the system?
siniylev [52]
y=x^2-3x+2 \\y=4x-4

A. (1, 0) and (–6, –28) 

B. (1, 20) and (6, 0) 

C. (1, 0) and (6, 20) 

D. no solution


Correct answer is C.


y=x^2-3x+2 \\y=4x-4\\ \\4x-4=x^2-3x+2 \\x^2-7x+6=0 \\x^2-6x-x+6=0 \\x(x-6)-(x-6)=0 \\(x-6)(x-1)=0 \\x=6\,\text{ or }x=1 \\y=4\times 6-4=20 \,\text{ or }y=4\times 1-4=0 \\ \\(6,20)\,\text{ and }(1,0)

8 0
3 years ago
Read 2 more answers
Least common multiple of 30 25 4
White raven [17]

Answer:

The least common multiple of 30, 25, 4 is 150.

Step-by-step explanation:

The given numbers are 30, 25 and 4.

The factors of given numbers are

30=2\times 3\times 5

30=5\times 5

4=2\times 2

The L.C.M of given numbers is a smallest number that divides the given numbers completely.

L.C.M.=\frac{2\times 3\times 5\times 5\times 5\times 2\times 2}{5\times 2}

L.C.M.=2\times 3\times 5\times 5\times 2=150

Therefore the least common multiple of 30, 25, 4 is 150.

5 0
3 years ago
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