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Musya8 [376]
2 years ago
8

For the following system, use the second equation to make a substitution for x in the first equation.

Mathematics
2 answers:
Grace [21]2 years ago
6 0

Answer:

C

Step-by-step explanation:

slamgirl [31]2 years ago
3 0
<span>A) x + 5y - 10 = 0
B) x = 2y - 8
Substituting B into A
</span><span>A) 2y -8 + 5y - 10 = 0
</span><span>A) 7y -18 = 0
</span>
<span>7y - 18 = 0
answer is C

</span>
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Evaluate -2x^2-4x+3 when x=-2
Misha Larkins [42]

Answer:

  3

Step-by-step explanation:

A polynomial is sometimes easier to evaluate if it is first written in Horner form:

  -2x^2 -4x +3 = (-2x -4)x +3

For x = -2, this is ...

  (-2(-2) -4)(-2) +3 = 0(-2) +3 = 3

The value is 3 when x = -2.

8 0
2 years ago
A.) all real numbers <br> B.) y&gt;6<br> C.)y is greater than or equal to -6<br> D.)x= √6 or -√6
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Answer:

C.) y is greater than or equal to -6

Step-by-step explanation:

The range are all the set of y-values that are plotted on the vertical axis (y-axis).

The range starts from -6 and above. Which is y ≥ -6

Therefore, range of the function is said to be:

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7 0
2 years ago
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ValentinkaMS [17]

Answer: 5/2

Yes it has to be 5/2

5 0
2 years ago
Read 2 more answers
3&lt;6c+13&lt;5 (Enter your answer in INTERVAL notation, using U to indicate a union of intervals; or enter DNE if no solution e
laiz [17]

Answer:

  (-5/3, -4/3)

Step-by-step explanation:

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  -10/6 < c < -8/6 . . . divide by 6

We can express the interval using reduced fractions as ...

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8 0
3 years ago
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These deviations are commonly encountered or studied in statistics, and sometimes in regression analysis.</span>
7 0
3 years ago
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