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shepuryov [24]
3 years ago
6

1) 3x - 4 = x + 2 2) 1 - 2x + 2x= 6 + x 3)- x + 7 = 3 x - 5 4) 5x= 1 + 4x

Mathematics
2 answers:
Firdavs [7]3 years ago
4 0

Answer:

1) x=-2

Step-by-step explanation:

mylen [45]3 years ago
4 0

1) x=13

2)  1.6

3) x=3

4) x=1

Brainliest pls

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There are 7 red 3 green 2 blue and 8 purple marbles in a bag if a marble is randomly chosen 250 times predict how many times it
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Answer:

It should be red or green 125 times

Step-by-step explanation:

The first thing to do here is to calculate the probability of selecting a red or a green marble

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The probability of selecting a red or a green marble = Probability of selecting a red marble + Probability of selecting a green marble = 7/20 + 3/20 = 10/20 = 1/2

Now our selection spans 250 times, the number of times it should have been a green or a red marble = The probability of selecting a green or a red marble * number of selection times = 1/2 * 250 = 125 times

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3 years ago
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