14) In the accompanying diagram, B is the midpoint of AC, triangle ADC is inscribed in circle O, chord AC and BD intersect at E, PR is a tangent to circle 0 at D, PAB is a secant, and mBA mAD mDC - 2:3:5. Find the following:
a) Arc AD
b) Arc BC
c) M angle ADC
d) M angle AEB
e) M angle P

14) In the accompanying diagram, B is the midpoint of AC, triangle ADC is inscribed in circle O, ch

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Ответ:

jmanrules200

30.01.2023

Mathematics

x = 8 (read below for Andre's mistakes)

Step-by-step explanation:

How to actually solve:

1/4(x+12) = 2

1/4(-4+12)=2

1/4(8)=2

How he solves:

1/4(x+12)=2

1/4(x+12)-12=2-12

1/4x=-10

x=-40

So apparently Andre's first mistake is he didn't use PEMDAS. His second mistake was instead of dividing by 4, he multiplied by 4.

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14) In the accompanying diagram, B is the midpoint of AC, triangle ADC is inscribed in circle O, chord AC and BD intersect at E, PR is a tangent to circle 0 at D, PAB is a secant, and mBA mAD mDC - 2:3:5. Find the following: a) Arc AD b) Arc BC c) M angle ADC d) M angle AEB e) M angle P