3 years ago

80 POINTS!!!!!!

Mathematics

1 answer:

Lera25 [3.4K]3 years ago

6 0

Plz dont be mean to me i just wanna understand and also its the blue line for answer 1

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A and B are two events.

maria [59]

Answer:

0.8

Step-by-step explanation:

We can solve P(A or B) by using the following:

$P(AorB)=P(A)+P(B)-P(AandB)$

Since we know P(A) = 0.6, P(B) = 0.3 and P(A and B) = 0.1 we obtain:

$P(AorB)=0.6+0.3-0.1=0.8$

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3 years ago

If n(A) =15 n (B) = 9 n(A∩B) =4 <br> find n(A U B)

Xelga [282]

Answer:

Step-by-step explanation:

n(A) only =15-4=11

n(B) only=9-4=5

n(A n B)=4

n(A U B)=11+5+4=20

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3 years ago

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kolbaska11 [484]

Answer

Step-by-step explanation:

because submarine b has a bigger negative number so its more further down

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3 years ago

will give brainliest The polygons are similar, but not necessarily drawn to scale. Find the value of x.

Serggg [28]

Answer:

I'm in eight grade so don't assume i'm right. But from looking at this. It looks like x-1=8 and y+1= 28. I'm only doing High School Math 1 in eight grade tho. So if i'm wrong i'm sorry

Step-by-step explanation:

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X–2 1/2=6 3/4. X=?<br><br> x – 3.23 = 0.77. X=?

Over [174]

Answer:

x= 105/4

x=4

Step-by-step explanation:

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3 years ago

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