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azamat
2 years ago
5

The quadratic equation 4x^2 + 12x + k = 0 has equal roots. Find the value of k.

Mathematics
1 answer:
cestrela7 [59]2 years ago
3 0

Answer:Sephardic.org

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Answer:

the diagonal measurement from corner A to corner B=15 inches

Step-by-step explanation:

as we know that the loptop has the shape of a rectangle that means all it's angles are right angles. so we can use the pythogoras theorem to find out the diagonal of the rectangle.

let us denote the diagonal of rectangle by D and the sides of rectangle be denoted by X=12 and Y=9

so by using pythogoras theorem we have,

D^{2} =X^{2} +Y^{2}

D^{2}=225

D=15

Hence the diagonal measurement from corner A to corner B is 15 inches.

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Some of the factors that can make a reunion unhappy or bittersweet are:

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