2 years ago

Factor completely. 5x2 + 9x-2

1 answer:

4 0

Answer:

x2 = 1 /5 = 0.2

Step-by-step explanation:

This the anser and thats 1 over 5

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aev [14]

Answer:

D. No, because $P(A|B)=0.22$ and the $P(A) = 0.53$ are not equal.

Step-by-step explanation:

Given:

Probability of doing yard work is, $P(A)=53\%=0.53$

Probability of raining, $P(B)=68\%=0.68$

Probability of doing yard work and it raining is, $P(A\cap B)=15\%=0.15$

Now, two events A and B are independent if,

$P(A|B)=P(A);P(B|A)=P(B)$

Conditional probability of event A given that B has occurred is given as:

$P(A|B)=\frac{P(A\cap B}{P(B)}\\P(A|B)=\frac{0.15}{0.68}=0.22$

So, $P(A|B)=0.22\ and\ P(A)=0.53$

Since, $P(A|B)\ne P(A)$ , A and B are not independent events.

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3 years ago

nikitadnepr [17]

1/2 because once you simplify and multiply and divide you get your answer

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2 years ago

Amanda [17]

All you have to do is subtract 3/8 from 7 which would give you 9 and 1/3

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2 years ago

Keith_Richards [23]

20 because 70 divide by = 35

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3 years ago

Marina CMI [18]

Complete the brackets first and then multiply it all.
28x5x32= 4480

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3 years ago