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SSSSS [86.1K]
3 years ago
12

Donna guessed there were 400 jellybeans in a jar. There were really 480 jellybeans. What is her prevent of error

Mathematics
1 answer:
maks197457 [2]3 years ago
5 0

Answer:

Step-by-step explanation:

Donna guessed 400 but there were 480 so she was off by 80

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What is the m<br> 52<br> 40<br> 45<br> 54
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Answer:

○ \displaystyle 54°

Step-by-step explanation:

Use the Triangular Interior Angles Theorem to figure this out:

180° = [3x]° + [2x]° + [5x]°

\displaystyle \frac{180°}{10°} = \frac{[10x]°}{10°} \\ \\ 18 = x

Plug this back into the <em>m</em>∠<em>L</em><em> </em>to get 54°.

I am joyous to assist you anytime.

4 0
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it rained nine days in the month of april .based on this ,what is the probaility that is does not rain on the first day of may?​
attashe74 [19]
<h3>Answer:     7/10</h3>

==========================================================

Explanation:

There are 30 days in April. Since it rained 9 of those days, the empirical probability of it raining in April is 9/30 = (3*3)/(3*10) = 3/10.

If we assume that the same conditions (ie weather patterns) hold for May, then the empirical probability of it raining in May is also 3/10. By "raining in May", I mean specifically raining on a certain day of that month.

The empirical probability of it not raining on the first of May is therefore...

1 - (probability it rains)

1 - (3/10)

(10/10) - (3/10)

(10-3)/10

7/10

We can think of it like if we had a 10 day period, and 3 of those days it rains while the remaining 7 it does not rain.

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