20.4 is 120 percent (120%) of 17.
A value or ratio that may be stated as a fraction of 100 is referred to as a percentage in mathematics. If we need to compute a percentage of a number, we should divide it by its whole and then multiply it by 100. The proportion therefore refers to a component per hundred.
So, in order to find the percent of a number we need to multiply it by the percent value and then divide it by hundred. That means if we need to find the x% of a number, we should multiply the number with x/100.
So,
17 × x/100 = 20.4
17x = 20.4 ×100
17x = 2040
Therefore,
x = 2040/17
x = 120
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Answer:
The mountain has a base 150 feet above sea level.
Jim climbs 233 feet
150 + 233 = 383 feet above sea level.
After that, he descends x feet, but the picture is cropped.
Answer:
To figure out the variance, divide the sum, 82.5, by N-1, which is the sample size (in this case 10) minus 1. The result is a variance of 82.5/9 = 9.17. Standard deviation is the square root of the variance so that the standard deviation would be about 3.03.
hope this helps!
2+5=12
3+6=21
8+11=
If you would like to solve this expression, you can calculate this using the following steps:
1 + 4 = 5
2 + 5 = 12
3 + 6 = 21
4 + 7 = 32
5 + 8 = 45
6 + 9 = 60
7 + 10 = 77
8 + 11 = 96
The correct result would be 8 + 11 = 96.