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VashaNatasha [74]
2 years ago
11

Tessa is training for a marathon she runs 13 km a day for 3 days

Mathematics
2 answers:
Bezzdna [24]2 years ago
5 0

???

No question but I gonna answer anyway.

The total number of km she ran in 3 days = 13 x 3=39.

creativ13 [48]2 years ago
4 0

nice

i think there's supposed to be more to the problem lol

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The equation of a parabola is y=x^2-10x+27. Write the equation in vertex form
azamat

Answer:

\large \boxed{y = (x - 5)^{2} + 2 }

Step-by-step explanation:

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\begin{array}{rcll}y & = & x^{2} - 10x + 27 & \\y - 27 & = & x^{2} - 10x & \text{Subtracted 27 from each side}\\y - 27&= & x^{2} - 10x + 25 - 25 & \text{Added and subtracted (b/2)}^{2}\\y - 27&= & (x - 5)^{2} - 25 & \text{Wrote the first three terms as the square of a binomial}\\y& = & \mathbf{(x - 5)^{2} + 2} & \text{Added 27 to each side}\\\end{array}\\\text{The vertex form of the parabola is $\large \boxed{\mathbf{y = (x - 5)^{2} + 2 }}$}The figure below shows that your parabola has its vertex at (5,2).

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