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2 years ago

-2x + y + 3 = 0 3x + 4y = -1 Solve by elimination

Mathematics

1 answer:

faust18 [17]2 years ago

6 0

−2

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Suppose two events A and B are mutually exclusive, with P(A) ≠ 0 and P(B) ≠ 0. By working through the following steps, you'll se

DanielleElmas [232]

Answer with Step-by-step explanation:

We are given that two events A and B are mutually exclusive.

$A\cap B=\phi$

$P(A\cap B)=0$

$P(A)\neq 0$

$P(B)\neq 0$

a.For mutually exclusive events,

$P(A/B)=\frac{P(A\cap B)}{P(B)}=\frac{0}{P(A)}=0$

Therefore, event A can not occurred if event B has occurred because two events can not occur together.

Answer:No, by definition mutually exclusive events cannot occur together.

b.When two events are independent

Then , $P(A\cap B)=P(A)\cdot P(B)$

$P(A/B)=\frac{P(A)\cdot P(B)}{P(B)}=P(A)$

If two events are mutually exclusive then

$P(A\cap B)=0$

Then , $P(A/B)=0$

Therefore, $P(A/B)\neq P(A)$

Hence, we can concluded that events A and B are not independent if they are mutually exclusive.

Answer:Yes, $P(A/B)\neq P(A)$

7 0

3 years ago

Write thirty -eight and ninety-seven hundredths kilograms in standard form

frez [133]

38.97 would be standard form

3 0

3 years ago

A carpet square is 9inches what’s the area of the carpet square?

AleksAgata [21]

Answer:

The area of the carpet which is square in shape is 81 $inches^2$

Step-by-step explanation:

Given:

side of the carpet square = 9 inches

To Find:

area of the carpet square = ?

Solution:

The area of the carpet = area of the square

we know that the area of the square is

=> side X side

Substituting the side of the square, we get

=> 9 X 9

=> 81 $inches^2$

6 0

3 years ago

How do you solve 8x-43?

barxatty [35]

Answer:

-5

Step-by-step explanation:bro all u have to do is divide 8 by -43

3 0

3 years ago

If you have the equation, y=2x+10 what’s x if y=24

jolli1 [7]

Answer: x=7

24=2x+10

24-10=14

14=2x

14/2=7

6 0

3 years ago