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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: x + 4y - z

Step-by-step explanation:

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3 years ago
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slamgirl [31]

Hello!

4X-14/4+53=76

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I hope this helps, and have a nice day!

7 0
4 years ago
Read 2 more answers
#1. Factor the expression. 4g^2+21g-49
juin [17]

1. You want to find factors of 4×(-49) that add to 21. Those would be +28 and -7. Replacing the term 21g with the sum 28g -7g, we get an expression that can be factored by grouping.

... (4g² +28g) + (-7g -49)

... = 4g(g +7) -7(g +7) = (4g-7)(g+7)

2. After you factor out 5, you have 5(64y² -16y -15). As in the previous problem, you're looking for factors of 64×(-15) = -960 that sum to -16. There are 14 factor pairs of 960, so it can take a little bit of effort to find the right pair. That pair is -40 and 24. As in the previous problem you replace the term -16y with the sum -40y +24y and factor by grouping.

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3. False. It is perhaps easiest to check this by multiplying out the offered factors. Doing that gives you 36k² -36k +8k -8. The collected k terms add to -28k, not -44k.

4 0
4 years ago
Tenemos 2 triangulos donde sus angulos mieden 46 y 66 respectivamente, y el lado adyacente a ellos mide 15cm, el criterio de con
HACTEHA [7]

Answer:

Puesto que se conocen dos ángulos seguidos y un lado adyacente tanto en uno como en otro triángulo, se debe emplear el criterio Ángulo-Lado-Ángulo (ALA) para determinar que los triángulos citados en el enunciado son congruentes.

Step-by-step explanation:

Puesto que se conocen dos ángulos seguidos y un lado adyacente tanto en uno como en otro triángulo, se debe emplear el criterio Ángulo-Lado-Ángulo (ALA) para determinar que los triángulos citados en el enunciado son congruentes.

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3 years ago
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mihalych1998 [28]

Answer:

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Step-by-step explanation:

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