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OLga [1]
3 years ago
7

Say you a have a bag of 20 marbles and 7 of those marbles are blue. Find the probability that if you draw one marble, it is NOT

blue.
Question 3 options:

0.05


0.35


0.65


0.14
Mathematics
2 answers:
Sveta_85 [38]3 years ago
5 0

Step-by-step explanation:

7 out of 20 marbles are blue

1-7/20= 13 out of 20 marbles not blue

13/20=0.65

liberstina [14]3 years ago
3 0

Answer:

C) 0.65 (65%)

Step-by-step explanation:

Divide: 13 ÷ 20

This is the chance that drawing one marble, the color will not be blue.

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torisob [31]

Answer:

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Step-by-step explanation:

<u><em>The correct question is</em></u>

Mary has 15 coins with the total value of $1.75 if the coins are nickels and quarters how many of each kind are there

Let

x ----> the number of nickel coins

y ----> the number of quarter coins

Remember that

1\ nickel=\$0.05

1\ quarter=\$0.25

we know that

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