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3 years ago

You have a bag of marbles that has 3 blue marbles and 4 red ones. What is the chance that you pick a blue OR a red marble?

Mathematics

1 answer:

nikdorinn [45]3 years ago

5 0

Answer:

7/7

Step-by-step explanation:

Add up the amount of the marbles in total and read what color the marble they ask for the chances of. The color of marble should go first then the total of the marbles. (they could ask for more than one color so just add up both the colors given.)

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3. Which of the following values is not possible in probability?

Sauron [17]

Answer:

D . P(x)=-0.5

Step-by-step explanation:

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3 years ago

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Ksivusya [100]

Answer:

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Step-by-step explanation:

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2 years ago

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zvonat [6]

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2 years ago

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blondinia [14]

Answer:

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Step-by-step explanation:

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3 years ago

Eva has borrowed 200 songs from her friend. She plans to download an equal number of songs on her music player each week for 5 w

Alenkasestr [34]

PART A)

The rate of change is -40 songs each week, because the amount of songs left to be downloaded decrease by 40 every week.

the initial value is 200 at 0 weeks, which means that there are 200 songs to be downloaded at the beginning

PART B)

calculate the slope:
 m = (y2- y1)/(x2 - x1) = (160 - 200)/(1 - 0)
m = -40
now use the line equation in form of point-slope
y - y1 = m(x - x1)
y - 200 = -40(x - 0)
y = -40x + 200

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3 years ago