3 years ago

HELP A B OUT HELP A B OUT HELP A B OUT HELP A B OUT

Mathematics

1 answer:

vovangra [49]3 years ago

3 0

X=5
Measure of angle BCA= 55
Measure of angle B= 76

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Answer:

Point O is the center of the circle.

Part (a)

$\overline{A\:\!F}$ is a chord.

$\overline{OD}$ is a segment of the radius and is perpendicular to $\overline{A\:\!F}$

If a radius is perpendicular to a chord, it bisects the chord (divides the chord into two equal parts).

Therefore, $\overline{AD}=\overline{DF}$

Part (b)

If $\overline{BE}$ was extended past point E to touch the circumference it would be a chord.

As $\overline{OC}$ is perpendicular to $\overline{BE}$ , it would bisect the chord, but as $\overline{BE}$ is only a portion of a chord, $\overline{OC}$ does not bisect $\overline{BE}$ .

Therefore, there is no length equal to $\overline{BC}$ .

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Jake and mike took a different number of tests. jake scored 85 points on each test. mike's total score was 15 less than jakes to

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Real easy math i just dont wanna do my hw.

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Answer:

6x^2 (3x^2 - 2)

Step-by-step explanation:

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