Can someone please tell me the answer choice to this question???

Mathematics

2 answers:

gizmo_the_mogwai [7]3 years ago

6 0

Answer:

gauth math lang

Step-by-step explanation:

sakalam kuya or ate

RUDIKE [14]3 years ago

4 0

C

That’s the definition of mirror image of a point abt a line, the object and the image must be equidistant from the line, so CC’ must hv line of reflection as it’s perpendicular bisector

Mark brainliest please

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Solve 0=4x^2+12x+9 using the quadratic formula.

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The quadratic formula is $x = \frac{-b \pm \sqrt{b^2 - 4ac} }{2a}$ . With the values from this equation plugged in, it looks like this:

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What is the percent of change from<br> 82 to 67?

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stira [4]

Answer: Option 4

Step-by-step explanation:

$\mathbf{u}=\langle 70 \cos 230^{\circ}, 70 \sin 230^{\circ} \rangle\\\\\mathbf{v}=\langle 60\cos 140^{\circ}, 60 \sin 140^{\circ} \rangle\\\\\mathbf{w}=\langle 80 \cos 30^{\circ}, 80 \sin 30^{\circ} \rangle\\\\\\\therefore \mathbf{u}+\mathbf{v}+\mathbf{w}=\langle 70 \cos 230^{\circ}+60 \cos 140^{\circ}+80 \cos 30^{\circ}, 70 \sin 230^{\circ}+60 \sin 140^{\circ}+80 \sin 30^{\circ} \rangle\\\\ \approx \langle -21.675, 24.944 \rangle$

$\implies |\mathbf{u}+\mathbf{v}+\mathbf{w}| \approx \sqrt{(-21.675)^2 + (24.944)^2} \approx 33.046$

Direction: The vector is in the second quadrant, so the direction is about $180^{\circ}-\arctan \left(\frac{24.944}{-21.675} \right) \approx 131^{\circ}$