If A and B are independent events, P(A and B) =

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Answer 1

Answer:

Answer:

If A and B are independent events, then the events A and B' are also independent. Proof: The events A and B are independent, so, P(A ∩ B) = P(A) P(B). From the Venn diagram, we see that the events A ∩ B and A ∩ B' are mutually exclusive and together they form the event A.

Answer 2

Answer:

Answer:

Step-by-step explanation:

Given A and B are independent events, P(A and B) = P(A)*P(B)

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Please help me....I really need help!!Which expression is equal to $(cx^(2)-4 )/(6c^(4)+15c^(3) )$ ÷ $(c^(2) +4c+4)/(12c^(3)+30c^(2) )$ ?

A. $(2(c-2) )/(c(c-2))$
B. $(2(c-2))/(c(c-2))$
C. $(c(c+2))/(2(c+2))$

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$(c^2-4)/(6c^4+15c^3)/(c^2+4c+4)/(12c^3+30c^2)=(c^2-2^2)/(3c^3(2c+5))/(c^2+2(c)(2)+2^2)/(6c^2(2c+5))\n\n_{\text{use}\ a^2-b^2=(a-b)(a+b)\ \text{and}\ (a+b)^2=a^2+2ab+b^2}\n\n=((c-2)(c+2))/(3c^3(2c+5))\cdot(6c^2(2c+5))/((c+2)^2)=((c-2))/(c)\cdot(2)/((c+2))=\boxed{(2(c-2))/(c(c+2))}$

Use the percent proportion to find each
10. 25 is what percent of 125?

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25/125 x 100% = 20%.

Someone tell me What 2x2 is

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Answer:

$\boxed{4}$

Step-by-step explanation:

$2 * 2 = 4$

2 × 1 = 2

2 × 2 = 4

2 × 3 = 6

2 × 4 = 8

2 × 5 = 10

2 × 6 = 12

2 × 7 = 14

2 × 8 = 16

2 × 9 = 18

2 × 10 = 20

2 × 11 = 22

2 × 12 = 24

Hope this helped you!

Answer:

4 is the answer

are u asking multiply of 2 by 2

Step-by-step explanation:

2 multiply 2 = 4

Multiply.
–7 ∙ 8
a. –56
b. –1
c. 1
d. 56

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Your answer is A; -56

The answer is A(-56). because when ever you multiply a positive by a negative you receive a negative.

Use the order of operations to simplify the expression.

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Answer:

Step-by-step explanation:

28 - {8/2 x (6-2)} + (4 - 2) ^ 3

28 - {4 x 4} + 2^3

28 - 16 + 8

12 + 8

I will give you brainliest!!! Solve the system of equations by graphing both equations with a pencil and paper y=x-3 y=-x+1

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Answer:

A. (2,-1) i thought this is hard but its kind of easy actually

Step-by-step explanation:

so you just put the given options into the xs and ys.. so lets say we have (2,-1) 2=x -1=y

now put them into the equations.. y=x-3

-1=2-3( if this is true than this is the right answer)

y= -x +1

-1= -2 +1 (this is also correct)

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