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user100 [1]
3 years ago
5

Use Guauss-jordan elimination to solve the following linear system. 5x - 2y = -2 -x + 4y = 4

Mathematics
1 answer:
Monica [59]3 years ago
7 0

Answer:

wdym

Step-by-step explanation:

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Len [333]

Answer:

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I don't understand

4 0
3 years ago
FACTOR the following quadratic expression: x^2-3x-18. Clearly show your steps OR explain your reasoning and CHECK your answer by
kakasveta [241]

Answer:

The factors of x² - 3·x - 18, are;

(x - 6), (x + 3)

Step-by-step explanation:

The given quadratic expression is presented as follows;

x² - 3·x - 18

To factorize the given expression, we look for two numbers, which are the constant terms in the factors, such that the sum of the numbers is -3, while the product of the numbers is -18

By examination, we have the numbers -6, and 3, which gives;

-6 + 3 = -3

-6 × 3 = -18

Therefore, we can write;

x² - 3·x - 18 = (x - 6) × (x + 3)

Which gives;

(x - 6) × (x + 3) = x² + 3·x - 6·x - 18 = x² - 3·x - 18

Therefore, the factors of the expression, x² - 3·x - 18, are (x - 6) and (x + 3)

6 0
3 years ago
Apply the distributive property to create an equivalent expression.<br><br> (6m – 7). 4=
Savatey [412]

Answer: 24m-28

Step-by-step explanation:

According to the distributive property ,

a(b+c) = ab+ac

(b+c)a = ba+ca , where a, b and c are any arbitrary expressions.

Given expression : (6m-7)\cdot4

By using distributive property , we have

(6m - 7)\cdot 4= (6m)(4)-(7)(4)\\\\= (6)(4)(m)-28 \ \ \ [\text{By associative property}]\\\\=24m-28

Hence, the required equivalent expression is 24m-28.

6 0
3 years ago
Read 2 more answers
Hold up . . . . . . . . . . . . . . . . . . . . .
leonid [27]

Answer:

lol

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Please help this is due today.
jok3333 [9.3K]
Ummmm I’m not sureeeeeeeee
3 0
3 years ago
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