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olga_2 [115]
3 years ago
7

what is the probability that a red or green marble will be selected from a bag containing 9 red marbles, 7 green marbles, and 11

yellow marbles if one is selected randomly ? Help
Mathematics
1 answer:
SVEN [57.7K]3 years ago
3 0
P(red) = 9/(9 + 7 + 11) = 9/27 = 1/3
P(green) = 7/27

P(red or green) = 1/3 + 7/27 = 16/27
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The sum of the digits of a three-digit number is 16 .the tens digit is two more than the units digit and the unit digit is tripl
Anit [1.1K]

Answer:

286

Step-by-step explanation:

If the three-digit number is xyz, then:

x + y + z = 16

y = z + 2

z = 3x

Substitute the third equation into the second:

y = 3x + 2

Substitute this and the third equation into the first:

x + (3x + 2) + (3x) = 16

7x + 2 = 16

7x = 14

x = 2

y = 3x + 2 = 8

z = 3x = 6

The number is 286.

4 0
3 years ago
Order the following expressions by their values from least to greatest​
Licemer1 [7]

Answer:

Step-by-step explanation:

a = -1

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a + (-c) = -1 + (-3) = -4

Both numbers have same sign(-Ve).So add and the result will have the -Ve sign.

c - (-b) = c + b = 3 + 2 = 5

b = 2

Least to greatest: a +(-c)  , b , c-(-b)

4 0
2 years ago
1. if 50 people pay $50 a month for their cellphone bill how much money is it?
Murljashka [212]
1) 50*50, our 2500
2) 1500
3)1500
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just multiply t the number of people by the amount each pays
5 0
2 years ago
You Stupid whats 9+10
devlian [24]

Answer: 19 booooooooooiii


7 0
2 years ago
Read 2 more answers
Please help me with this question.
Vesna [10]

Answer:

C

Step-by-step explanation:

C, because the second line keeps adding 6 to it and, the third line keeps adding 7.

5 0
2 years ago
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