4 years ago

4. Be

Mathematics

1 answer:

Sever21 [200]4 years ago

3 0

It’s Edgar or 40 miles

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Marina CMI [18]

Answer:

I think it's C

Step-by-step explanation:

A is go up one time

B is go down one time

C is... not sure what's going on there

And D is multiply by 8

I'm confused.

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3 years ago

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aliya0001 [1]

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DaniilM [7]

Answer:

3rd option

Step-by-step explanation:

The area (A) of a semicircle is calculated as

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Here diameter = 44, so r = 44÷ 2 = 22

Then

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3 years ago

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Vlad1618 [11]

14/15
is the correct answer was done in my head!
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N a certain store, there is a .03 probability that the scanned price in the bar code scanner will not match the advertised price

timofeeve [1]

Answer:

Step-by-step explanation:

Given that in a certain store, there is a .03 probability that the scanned price in the bar code scanner will not match the advertised price.

Here X the number of items that will not match in the sample of 780 items is binomial because

i) there are two outcomes only

ii) Also each trial is independent of the other.

a) the expected number of mismatches

$=E(X) = 780(0.03)\\= 23.40\\=23$

b) Var(x) = $npq = 780(0.03)(0.97)\\= 22.698$

Std dev (X) = 4.7642

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3 years ago