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lyudmila [28]
3 years ago
6

Put 19/22 into a percentage​

Mathematics
2 answers:
erastova [34]3 years ago
6 0

Answer:

19/22 into a percentage is 86.36%

Gnoma [55]3 years ago
4 0

Step-by-step explanation:

Answer:

:: written in two ways ::

Rounded to 12 decimals:

19/22 ≈ 86.363636363636%

Rounded to maximum 2 decimals:

19/22 ≈ 86.36%

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Box 1 contains 1000 lightbulbs of which 10% are defective. Box 2 contains 2000 lightbulbs of which 5% are defective. (a) Suppose
mojhsa [17]

Answer:

a) There is a 66.7% chance that you were given box 1

b) There is a 80% chance that you were given box 1

Step-by-step explanation:

To find this, we need to note that there is a 1/10 chance of getting a defective bulb with box 1 and a 1/20 chance in box 2.

a) To find the answer to this, find the probability of getting a defective bulb for each box. Since there is only one bulb pulled in this example, we just use the base numbers given.

Box 1 = 1/10

Box 2 = 1/2

From this we can see that Box 1 is twice as likely that you get a defective bulb. As a result, the percentage chance would be 2/3 or 66.7%

b) For this answer, we need to square each of the probabilities in order to get the probability of getting a defective one twice.

Box 1 = 1/10^2 = 1/100

Box 2 = 1/20^2 = 1/400

As a result, Box 1 is four times more likely. This means that it would be a 4/5 chance and have a probability of 80%

3 0
3 years ago
6^2r=800 round it to the nearest hundreth
kogti [31]

Question: solve for r: 6 ^ (2r) = 800


Answer: 1.87


Step-by-step explanation:

6 ^ (2r) = 800

log(6 ^ (2r)) = log(800)

2r log(6) = log(800)

r = log(800) / (2 log(6))

r = 1.86537641979

round

r = 1.87

log can be any logarithm function.


6^(2×1.86) = 784.734328546

6^(2×1.87) = 813.365367336


7 0
3 years ago
Can anyone help me please? <br> I’ll mark you as a brainliest
Yuki888 [10]

Answer:

A

Step-by-step explanation:

3 0
3 years ago
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FromTheMoon [43]

Answer:

1. B

2. Seven Hundred thousand nine hundred and four

Step-by-step explanation:

3 0
2 years ago
To convert 180 seconds to minutes, which proportin should you use?
FinnZ [79.3K]
The proportion would be 180/x=60/x
5 0
3 years ago
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