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olasank [31]
3 years ago
8

Please help me please​

Mathematics
1 answer:
Yuri [45]3 years ago
8 0

Answer:

1. 6   2. 8  3. 4     4.40 5 . 4                                                                                                 Step-by-step explanation:

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(I’m marking brainliest) plzzz help me out!!!
larisa86 [58]

Answer:

14, 16, 18, 20

Step-by-step explanation:

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3 years ago
Construct a polynomial function with the following properties: third degree, only real coefficients, −3 and 3+i are two of the z
irina [24]

Answer:

\boxed{-3(x+3)(x^2-6x+10)}

Step-by-step explanation:

Hello,

As the polynomial has only real coefficients, it means that 3-i is a zero too, because we apply the Conjugate Zeros Theorem.

It means that we can write the expression as below, k being a real number that we will have to identify.

k(x+3)(x-3-i)(x-3+i)=k(x+3)((x-3)^2-i^2)\\\\=k(x+3)(x^2-6x+9+1)\\\\=k(x+3)(x^2-6x+10)

And for x = 0, y = -90 so we can write

-90=k*3*10, meaning that k=-3

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

5 0
3 years ago
Jason rented 4 movies. Jason plans to watch all 4 movies back to back. In how many different orders can Jason watch the movies?
Aloiza [94]

Answer:

16

Step-by-step explanation:

i think it’s this because 4(4) is 16?

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Find the X Intercepts y=x^2-3x+6<br> PLEASE HELP ME
Nat2105 [25]

The x intrercepts is where the function crosses the x axis; In other words, it is where the output of the function is 0.

In a quadratic, you can start by factoring, if it’s unable to be factored then use the quadratic formula. Also, it is good to use the discriminate.

D= Discrimminate

D>0 2 real solutions

D=0 1 real solution

D<0 2 imaginary solutions.

The discrimminate is the equation/expression under the radical of the quadratic formula. With this formula, it’s not factorable. Using the discriminate it is also seen, as you’ll get a negative in the square root. This is imagenary because you cannot take the root of a negative value, which is why “i” is used to represent the square root of negative one.

3 0
2 years ago
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