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docker41 [41]
3 years ago
13

What is the solution for the system of equations {2x-3y-2z=-7, x-3y-3z=4, x-2y-z=-3

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
7 0
A suitable matrix calculation tells you (x, y, z) = (-8, -1, -3).

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17. Factor x ^ 3 + 5x ^ 2 - 9x - 45 . A. (x - 5)(x ^ 2 + 9) b . (x - 5)(x - 3) * (x + 3) Factor By Groupin (x + 5)(x - 3) * (x +
jok3333 [9.3K]

Answer:

b

Step-by-step explanation:

Given

x³ + 5x² - 9x - 45 ( factor the first/second and third/fourth terms )

= x²(x + 5) - 9(x + 5) ← factor out (x + 5) from each term

= (x + 5)(x² - 9) ← factor as a difference of squares

= (x + 5)(x - 3)(x + 3)

3 0
3 years ago
Help me please find x for this triangle!!!!
8090 [49]
X = 29

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3 years ago
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Neporo4naja [7]
I believe that is ten right?
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3 years ago
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At holiday camp the ration of boys to girls
docker41 [41]

Answer:

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Step-by-step explanation:

Plz write complete question

8 0
3 years ago
PLease help if u can✊​
Vaselesa [24]

Answer:

5 hours

Step-by-step explanation:

75 + 55x = 350

75 - 75 + 55x = 350 - 75

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\frac{55x}{55} = \frac{275}{55}

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