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stiv31 [10]
3 years ago
11

Blueberry bushes are planted in a field in the year 2009. The blueberry bushes start to grow and cover the field in such a way t

hat the area covered by the bushes doubles every year. If they continue to grow in this way, the field will be entirely covered with blueberry bushes by the year 2016. When will the field be covered 25% of the way?
Mathematics
2 answers:
ira [324]3 years ago
6 0
My GUESS would be a year and 3/4 so almost two years in it would be 25% covered. Just a guess though.

Amanda [17]3 years ago
5 0

Answer:

In 2014

Step-by-step explanation:

Blueberry bushes are planted in a field in the year 2009.

The blueberry bushes start to grow and cover the field in such a way that the area covered by the bushes doubles every year.

As per the given information we can say :

The field will be entirely covered with blueberry bushes by the year 2016.

So before one year, in 2015, they would be half covered that is 50% covered,

and even a year before that, in 2014, they would be covered half of 50%, that is 25%.

Therefore, the answer would be in 2014 field be covered 25% of the way.

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Answer:

the probability that Jack draws the blue ball is 0.38539

Step-by-step explanation:

Given the data in the question;

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⇒ ( 8/13) × ( 5/12) = 10/39  

on the second attempt;

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on the third attempt;

⇒ ( 8/13 ) ( 7/12) ( 6/11 ) ( 5/10 ) ( 4/9 ) ( 5/8 ) = 35/1287

on the fourth attempt;

⇒  ( 8/13 ) ( 7/12) ( 6/11 ) ( 5/10 ) ( 4/9 ) ( 3/8 ) ( 2/7 ) ( 5/6 ) = 5/1287

so we add everything;  

⇒ 10/39 + 14/143 + 35/1287 + 5/1287

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5 0
3 years ago
Triangle JKL is rotated 45° counterclockwise using the origin as the center of rotation. On a coordinate plane, triangle J K L h
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