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sesenic [268]
3 years ago
8

Please help ill give you anything

Mathematics
1 answer:
NemiM [27]3 years ago
3 0

Answer:

there you go . i couldnt write it so i took a screenshot of it . mark me brainliest plz

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ABC is a tangent to the circle below. O is the centre of the circle. Work out the size of angle 0. Give reasoning to justify you
Delvig [45]

Answer:

Θ = 46°

Step-by-step explanation:

the angle between a tangent and a radius at the point of contact is 90° , so

∠ ABO = 90°

since OB = OD ( radii of circle ) then Δ BOD is isosceles and

∠ OBD = ∠ ODB = 22°

the exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠ AOB is an exterior angle of the triangle , then

∠ AOB = 22° + 22° = 44°

the sum of the 3 angles in Δ AOB = 180° , then

Θ + 44° + 90° = 180°

Θ + 134° = 180° ( subtract 134° from both sides )

Θ = 46°

6 0
2 years ago
8. Over a period of 3 hours, the outside temperature changed an average of -2.25 Fahrenheit per hour. Which statement correctly
ryzh [129]

Answer:

c

Step-by-step explanation:

-2.25*3 = 6.75 decreased (since negative)

4 0
3 years ago
What is 1+12 just to get free brainliest​
tino4ka555 [31]

Answer:

1+12

Step-by-step explanation:

can be expressed as

1+12

=13

5 0
2 years ago
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A coffe table is on sale for 20% off the orgingial price of $115. If there is 7.5% sales tax, what is the original price of the
Anuta_ua [19.1K]

Answer: 98.90

Step-by-step explanation:

115*.2=23

115-23=92

0.075*92=6.9

6.90+92=$98.90

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3 years ago
A man bought a dozen boxes with 24 highlighter pens inside for $8 each box. He repacked five of those boxes into packages of 6 h
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Hope this helps! :)
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