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musickatia [10]
3 years ago
15

I need help plzzzzzzo

Mathematics
1 answer:
antoniya [11.8K]3 years ago
7 0

Answer:

→ {x}^{3}  + 2 {x}^{2}  - 9x - 18 \\  =  {x}^{2} (x + 2) - 9(x + 2) \\ =  (x + 2)( {x}^{2}  - 9) \\  =  \boxed{(x + 2)(x + 3)(x - 3)}

  • <u>A. (x + 2)</u> is a factor of the polynomial.
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Find the common ratio of the geometrie sequence 6, 24, 96,
inessss [21]

Answer:

4

Step-by-step explanation:

To find the common ratio, take the second term and divide by the first term

24/6 = 4

Check by taking the third term and dividing by the second term

96/24 = 4

The common ratio is 4

4 0
3 years ago
Please answer please
Luda [366]

Answer:

46°

Step-by-step explanation:

Since the 3 sides are given we can use any of the 3 trig. ratios to solve.

Using the tangent ratio in the right triangle

tan ? = \frac{opposie}{adjacent} = \frac{42}{40}, thus

? = tan^{-1} (\frac{42}{40} ) ≈ 46° ( to the nearest degree )

8 0
4 years ago
Which function has the same y-intercept as the graph below ?
Natalija [7]

Answer:

D. y+4=2x

Step-by-step explanation:

-4 from both sides

y=2x-4

        ^ y-intercept (-4) same as on the graph          

4 0
3 years ago
The discriminant of the function is
inessss [21]
Discriminant of a Quadratic

The number D = b2 – 4ac determined from the coefficients of the equation ax2 + bx + c = 0. The discriminant reveals what type of roots the equation has.

Note: b2 – 4ac comes from the quadratic formula.

 



6 0
3 years ago
3 10/15-1 12/15 hurry i need to pass this please
navik [9.2K]

Answer:

1 13/15

Step-by-step explanation:

3−1=2

10/15−12/15=−2/15

2−2/15=1 13/15

4 0
3 years ago
Read 2 more answers
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