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netineya [11]
3 years ago
9

I dont get this can someone help me pls​

Mathematics
1 answer:
FromTheMoon [43]3 years ago
4 0

Answer:

A

Step-by-step explanation:

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According to the general equation for conditional probability, if P(AB)= 3/10 and P(B) =2/5, what is ? P(A l B)?
Alexus [3.1K]

The formula for conditional probablity states that

P(A | B) = \cfrac{P(A \cap B)}{P(B)}

Since we know both numerator and denominator, we only need to plug in the values:

P(A | B) = \cfrac{P(A \cap B)}{P(B)} = \cfrac{\frac{3}{10}}{\frac{2}{5}} = \cfrac{3}{10}\cdot\cfrac{5}{2} = \cfrac{3}{4}

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4 years ago
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HELP ASAP!!!<br> If f(x) = -4x + 1, find f(2).<br> Enter the numerical value only
ad-work [718]

Answer:

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Step-by-step explanation:

-4(2)=-8

-8+1=-7........

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3 years ago
If a lions hearts beats 12 times in 16 seconds how many heartbeats will it be if it was in 60 second
tatuchka [14]
(12 times/16 seconds) = (x times/60 seconds)

x times = (12 times/16 seconds)*(60 seconds)

<span>x = 45 times</span>
6 0
3 years ago
A ,b, c, d , e, help please
Lelu [443]

Answer:

a= 131 21/30

b= 132 21/30

c= 132

Step-by-step explanation:

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3 years ago
Solve 4m plus 2n equals 5n for m.
RSB [31]

Answer:

m = (3/4) n

Step-by-step explanation:

4m + 2n = 5n

The subtraction property of equality states that we can subtract 2n from both sides to isolate the m and its coefficient to get

4m = 3n

The division property of equality states that we can divide 4 from both sides to isolate only the m (we divide by 4 because anything divided by itself equals 1) to get

m = (3/4) n

4 0
3 years ago
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