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motikmotik
3 years ago
12

20 puntos para que lo resuelvan.

Mathematics
2 answers:
Semmy [17]3 years ago
4 0
I don't speak Spanish and I don't think you are going to find someone on here who does
Dovator [93]3 years ago
3 0
Yo creo que si no es a es b y si no es la b es la c. lol
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Please explain . . .
choli [55]

Answer:

9

Step-by-step explanation:

05 \times 2. \div 2

4 0
2 years ago
The roots of an equation are x=-1 plus or minus I the equation is x^2+ ?
Oxana [17]

Answer:

x^2+2x+2

Step-by-step explanation:

If the roots of the equation are -1\pm i, then by the zero product rule:

x=-1\pm i \\\\x+1\pm i=0 \\\\(x+1+i)(x+1-i)=0\\\\x^2+x-ix+x+1-i+ix+i+1=0 \\\\x^2+2x+2=0

You can confirm this with the quadratic equation:

x=\dfrac{-2\pm\sqrt{4-8}}{2}=\dfrac{-2\pm 4i}{2}=-1\pm i

Hope this helps!

8 0
3 years ago
7. If the volume of a cylinder, where the height is 3 times the radius, is 247, find the surface area of the cylinder.
lakkis [162]

Answer:

3.87987×10^5

Step-by-step explanation:

surface area of the cylinder =2πrh+2πr²

=2*π*247*3+2*π*(247)²

=3.87987×10^5

7 0
2 years ago
What is the volume of Box 3? 4x3 + 2x2 + 4x + 1 x4 + 4x3 + x2 + 4x x4 + 4x3 + 2x2 + 4x x4 + 2x3 + x2 + 4
Andrej [43]

Answer:

Step-by-step explanation:

B. x4 + 4x3 + x2 + 4x

7 0
3 years ago
50 Points!!
____ [38]

Answer:

a) g(x) = f(x) + 3

So g(x) is a vertical translation of f(x), 3 units upwards

b) g(x) = 3x² - 1 + 3

g(x) = 3x² + 2

The graph has shifted 3 units upwards, so has the vertex.

The vertex of f is (0,-1)

Whereas the vertex of g is (0,2)

-1 + 3 = 2

8 0
3 years ago
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