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ziro4ka [17]
3 years ago
12

Events A and B are overlapping.

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
7 0

Answer:

5/11

Step-by-step explanation:

Since the events are overlapping...

P(A or B) = P(A) + P(B) - P(A and B)

P(A) = 4/11

P(B) = 3/11

P(A and B) = 2/11

P(A or B)  = 4/11 + 3/11 - 2/11

P(A or B)  = 5/11

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Can someone help me with this
insens350 [35]
Let's solve this problem step-by-step.

STEP-BY-STEP EXPLANATION:

We will be using simultaneous equations to solve this problem.

The sum of angles on a straight line is 180°.

( R ) and ( 2x + 5 ) are both on the same straight line.

Therefore:

Equation No. 1 -

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R = 175 - 2x

Vertically opposite angles are equivalent to each other.

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Therefore:

Equation No. 2 -

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R = 3x + 15

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R = 175 - 64

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FINAL ANSWER:

Therefore, the answer is:

R = 111

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Hope this helps! :)
Have a lovely day! <3
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