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Talja [164]
3 years ago
5

How do i do this? please help

Mathematics
1 answer:
uranmaximum [27]3 years ago
3 0
How do you do what ?
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b-17

Step-by-step explanation:

So, Tanvi started with b buttons.

And she gave away 17.

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Our expression is:

b-17

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non-convex polygon

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52026353283901

Step-by-step explanation:


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3 times what equals 14
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Select the correct answer. Jason inherited a piece of land from his great-uncle. Owners in the area claim that there is a 45% ch
GREYUIT [131]

Answer:

Option A 0.1698

Step-by-step explanation:

Given that Jason has a chance for getting oil as 45%

THe kit he buys show accurate result with 80% probability

Let A1- Event that the land has oil

A2 - Event that the land has no oil

B- The test gives negative result

A1 and A2 are mutually exclusive and exhaustive

P(A1) = 0.45 and P(A2) =0.55

Hence we can use Baye theorem

Then P(B) = P(A1B)+P(A2B)=0.45(0.20)+0.55(0,80)\\=0.09+0.0.44\\=0.53

Reqd prob =P(A1/B) =

\frac{P(A1B)}{P(B)}\\ =\frac{0.09}{0.53}\\\\=0.1698

3 0
3 years ago
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