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It means that when you look at something 20 feet away, you see it with the clarity that someone with good sight would see 40 feet away.
It means you need glasses.
Kelly Johns
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When you evaluate in math what does -20 -40 mean?
20
What is the number -20 equals 40?
I guess you mean: What number when you subtract 20, gives 40 as the answer?x - 20 = 40.Add 20 to both sides: x - 20 + 20 = 40 + 20x = 60
The mean of 20 and 40?
30
What is the mean of 10 20 30 40 50 60?
20
What does 20 to 7 mean in time?
It means 20 minutes to the hour of 7, that is 6:40
Does 'of' mean to divide or multiply?
"Of" means to multiply. For example, what is 40% of 20? 20*0.4 =8
What is the mean of 22 22 20 28 20 40 39 25 30?
27.33333333
What is the mean for the numbers 20 40 30 30 20 40 30 and 30?
With a mean score of 110 and a standard deviation of 18, what percentage of scores would be less than 155?
What are the fractions of 40?
If you mean factors, they are 1, 2, 4, 5, 8, 10, 20, 40
What is 40 - 20 percent?
40 - 20 percent = 820% of 40= 20% * 40= 20%/100% * 40= 8
Why is 20 percent of 40 greater than 40 percent of 20?
20% of 40 is not greater than 40% of 20. The two are equal. 20% of 40 = 0.20 * 40 = 8 40% of 20 = 0.40 * 20 = 8
Which two numbers have a mean of 120 and a range of 40?
100 & 140. The two numbers are: the mean ± half the range. Half the range is 40/2 = 20. So the two numbers are: 120 - 20 = 100 120 + 20 = 140
