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Anni [7]
2 years ago
6

Please help, brainliest, thanks, five star

Mathematics
1 answer:
AnnZ [28]2 years ago
7 0

Answer:

<u>2(3x + 4)</u>

Step-by-step explanation:

2 x 3x = 6x and 2 x 4 = 8

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At what x value does the function given below have a hole?<br><br> f(x)=x+3/x2−9
S_A_V [24]

Answer:

hole at x=-3

Step-by-step explanation:

The hole is the discontinuity that exists after the fraction reduces. (Still doesn't exist for original of course)

The discontinuities for this expression is when the bottom is 0. x^2-9=0 when x=3 or x=-3 since squaring either and then subtracting 9 would lead to 0.

So anyways we have (x+3)/(x^2-9)

= (x+3)/((x-3)(x+3))

Now this equals 1/(x-3) with a hole at x=-3 since the x+3 factor was "cancelled" from the denominator.

4 0
2 years ago
Lines a and b are parallel. Parallel lines a and b are cut by transversals s and t. The angles formed by the intersection of lin
notka56 [123]

Answer:

x = 5

Step-by-step explanation:

Given that, exterior angles on the same side of a traversal are supplementary a Hence, sums up to 180°

Given the angles:

7x° + 11x° + 90° = 180°

18x° + 90° = 180°

18x° = 180° - 90°

18x° = 90°

x = 90° ÷ 18

x = 5

7 0
3 years ago
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Makovka662 [10]

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4 0
3 years ago
What is the x-value in the solution to this system of linear equations? 2x − y = 11 x + 3y = −5
Setler [38]

Answer:

x = 4

Step-by-step explanation:

Given the 2 equations

2x - y = 11 → (1)

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Add (2) and (3) term by term to eliminate y, that is

7x = 28 ( divide both sides by 7 )

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4 0
3 years ago
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