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Darina [25.2K]
2 years ago
11

P(x)=2x^2+4x+2please say the answer fast I have an activity​

Mathematics
1 answer:
LenaWriter [7]2 years ago
5 0

Answer:

(-1,0)

Step-by-step explanation:

To find the x value of the vertex use the equation

-b/(2a)

-4/(2*2)= -1

this means that the x coordinate is -1

Now that we know the x value we need to find the corresponding y value

to do this we just plug in x into the equation

2(-1)²+4(-1)+2

2-4+2=0

put it all together and get (-1,0)

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Vesnalui [34]

1/6

Step-by-step explanation:

  • According to the question, the right combination of 2 wires cut (out of the 4 wires ) will defuse the bomb. To find all the possible combinations we using the following formulae;

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⁴₂C = 4! / 2! * (4-2)!

⁴₂C = 24 / 2 * 2

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2 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
Solve the following system of equations for z and for y :
azamat

Answer:

Value of z = 7

Value of y = 30  

Step-by-step explanation:

We are given the following equations in the question:

y = 9 + 3z\\y = 65 -5z

We have to solve the given equation for y and z.

Equating the two equations we get,

y = 9 + 3z\\y = 65 -5z\\9 + 3z = 65-5z\\3z + 5z = 65-9\\8z = 56\\\\z = 7\\y = 9+3(7) = 30

Value of z = 7

Value of y = 30

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