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anzhelika [568]
2 years ago
14

What is the solution to the following system?

Mathematics
1 answer:
irakobra [83]2 years ago
8 0

Answer:

None?

Step-by-step explanation:

After using the 4 answers using what I think is (x,y,z) none of the answers were true.

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What is the solution set to the inequality 5(x - 2)(x + 4) > 0?
Butoxors [25]

Answer:

You selected the correct answer: {x | x <<em> </em>-4 or x > 2}

Step-by-step explanation:

5(x - 2)(x + 4) > 0

Use FOIL method to expand (x - 2)(x + 4):

5(x^{2} + 2x - 8) > 0

Distribute 5 into (x^{2} + 2x - 8)

5x^{2} + 10x - 40 > 0

Divide all terms by 5 from both sides of the inequality:

\frac{5x^{2}}{5}  + \frac{10x}{5}  - \frac{40}{5} > \frac{0}{5}

x^{2} + 2x - 8 > 0

Factor the trinomial:

(x + 4) ( x - 2)  > 0

x < -4 or x > -2

Therefore, the solution set to the inequality is {x | x < -4 or x > 2}

<em>Interval notation:  </em>(-∞, -4) ∪ (2, ∞)

8 0
2 years ago
Factor 140c+28-14a to identify the equivalent expressions.
miv72 [106K]

Answer:

Answer is A,C, and D

Step-by-step explanation:

5 0
2 years ago
Write an equation of a line, in slope-intercept form, that is perpendicular to the line y=2x+5 and passes through the point (8,-
Eva8 [605]

Answer:

22

Step-by-step explanation:

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2 years ago
Which expression is not equivalent to –3x + 24? Select all that apply.
baherus [9]

Answer:

F

Step-by-step explanation:

6 0
2 years ago
Mr. Yueng graded his students’ math quizzes.
zubka84 [21]

Answer:

7.3*

Step-by-step explanation:

do the inverse:

22/3=7.3*

*=recurring

5 0
2 years ago
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