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natali 33 [55]
3 years ago
9

The probability that someone in a room is wearing glasses is 1/4. If there are 8 people in the room, how many people will probab

ly be wearing glasses
Mathematics
2 answers:
Nikitich [7]3 years ago
7 0
2 people will be wearing glasses.

AlexFokin [52]3 years ago
4 0
2 people because half of 8 is 4 and half of 4 is 2
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Z varies jointly as x and y. z=60 when x=5 and y=6. find z when x = 7 and y=3
Aneli [31]

Answer:

z = 42

Step-by-step explanation:

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Where;

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4 0
3 years ago
The ratio of bleach to water in a cleaning solution is 2:18. For every 1 liter of bleach, how many liters of water are in the so
Paha777 [63]

Answer:

For every 1 liter of bleach there are 9 liters of water in the solution

Step-by-step explanation:

∵ The ratio of bleach to water in a cleaning solution is 2 : 18

- That means for every 2 liters of bleach there is 18 liters of water

∵ There is 1 liter of bleach

- Let us use the ratio method

→  bleach  :  water

→  2           :  18

→  1            :  x

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- Divide both sides by 2

∴ x = 9

∵ x represents the number of liters of the water in the solution

∴ The number of liters of the water in the solution is 9

For every 1 liter of bleach there are 9 liters of water in the solution

7 0
3 years ago
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