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Tpy6a [65]
1 year ago
12

Bro ? What is this ? Rocket science ? HELP ME PLSSS.

Mathematics
1 answer:
Liono4ka [1.6K]1 year ago
4 0

Answer:

Step-by-step explanation:

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257/5000 In an envelope there are 20 ballots, 8 have drawn a car the rest are white. Find the probability to extract at least on
Gwar [14]

Answer:

Step-by-step explanation:

There are 20 ballots, 8 have drawn a car the rest are white.

Find the probability to extract at least one ballot with the drawing of a car if not replaced:

1. If a ballot is taken out:

8 have drawn a car: thus we have 8/20 = 2/5

2. If two ballots are removed, probability of extracting 1 ballot with drawing of car is 8/20 leaving 7 out of 19 remaining. The 7/19 is the probability of drawing out a second ballot with the drawing of a car. Thus we have

8/20 * 7/19 = 56/380 = 14/95

3. If three ballots are removed, probability of extracting 1 ballot with drawing of car is 8/20 leaving 7 out of 19 remaining. The 7/19 is the probability of drawing out a second ballot with the drawing of a car leaving 6 out of 18 remaining. The 6/18 is the probability of drawing out a third ballot with the drawing of a car.

8/20 * 7/19 * 6/18 = 42/855

5 0
3 years ago
In a Black Friday sale, if you buy 5 video games for $ 39.99 each, you get 1 free. After the offer, how much does each video gam
Kruka [31]

Answer:

$200.00

Step-by-step explanation:

Round the $39.00 to $40.00 then add it all together because you can't forget the taxes.

8 0
2 years ago
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lapo4ka [179]

Answer:

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Step-by-step explanation:

last saturday i did a worksheet that had the sae question

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3 years ago
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What is 64 times 10?
Tom [10]
64 x 10 = 640

Easier way to simplify :

64 x 1 = 64 and then put the 0 at the end which = 640
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Find the measure of the indicated angle
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