3 years ago

I have one more question and I am stuck on it.

Mathematics

2 answers:

Sladkaya [172]3 years ago

4 0

this should be your answers for y and x

y=2 and x=7

adelina 88 [10]3 years ago

3 0

Y=2 by the method of substitution (x is 7).

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The sum of 2 of the exterior angles of a triangle is 222 degrees. What is the measure of the third exterior angle?

zysi [14]

Answer:

Exterior angles always add up to 360 degrees, therfore 360 - 222 = 138

Step-by-step explanation:

360 - 222 = 138

the answer to your question is 138degrees.

For any shape the exterior angles will always add up to 260 degrees.

Hope this helps in the future!

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3 years ago

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Keith_Richards [23]

Answer:

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3 years ago

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Find the equation of the axis of symmetry and the coordinates of vertex of the functions =2x^2+4x-3

SVEN [57.7K]

Hello,

Find the equation of the axis of symmetry is like find the maximum or minimum point of this function.

$f(x)=2x^2+4x-3\\\\\alpha=-\dfrac{b}{2a}=-\dfrac{4}{4}=-1\\\\$

The equation of the axis of symmetry is then : $x=-1$

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Coordinates of vertex : $(\alpha,\beta)=(-1;-5)$