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3 years ago

15

If you have a bag with 4 blue marbles, 1 green marble, and 3 purple marbles, what is the probability that you will pick a marble

at random and it will be green?

1 answer:

sergiy2304 [10]3 years ago

7 0

Answer:

It is about a 13% chance you will pick a "Green marble"

Step-by-step explanation:

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Answer:

Right Triangle

Step-by-step explanation:

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The triangle could also be scalene, but that is not for sure, meaning it is primarily a right triangle.

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Jaquavion's grandfather cut 68 1/2 bales of hay from 2 fields. He cut 23 1/4 from 1 field. How many bales did he cut from the ot

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His grandfather cuts 45 1/4 bales of hay in the other field

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3 years ago

My brother is currently three times as old as me, but in five years, my brother

wolverine [178]

Answer: Your brother is 15 years old right now.

Step-by-step explanation:

Let be "m" your currently age and "b" your brother's currently age.

Knowing that right now he is three times (this indicates multiplication) as old as you, you can write the following equation:

$b=3m$

In five years your age will be:

$m+5$

And your brother's age will be:

$b+5$

Then, if in five years, your brother will be twice as old as you, you can set up the second equation:

$b+5=2(m+5)$

Then, the System of equations is:

$\left \{ {{b=3m} \atop {b+5=2(m+5)}} \right.$

Apply the Substitution method and substitute the first equation into the second one and solve for "m":

$3m+5=2(m+5)\\\\3m+5=2m+10\\\\m=10-5\\\\m=5$

Substitute the value of "m" into the first equation and evaluate in order to find "b":

$b=3(5)\\\\b=15$

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3 years ago

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ITS THE LAST ONE TRUST ME I JUST FINISHED WITH THAT ONE

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