Answer:
10.92
Step-by-step explanation:
-----------------------
Answer:
The percentage decrease is 15%.
Step-by-step explanation:
To find the percent decrease of any two numbers, subtract the numbers and divide it by the original.
So in this case:
20-17÷20
= 3÷20
= 0.15
Now convert to a percent.
0.15×100 = 15%
Answer:
4.09
Step-by-step explanation:
You should add 25 because you should always add the square of the p value (which is equal to half of the b value, which makes the p value 5).
Basically, the p value should be half of b and the square root of c.