20
Step-by-step explanation:
Step 1:
Let the number be 50 and to find 40% of 50 is given interms of expression as follows
To express the percentage the following strategy is used
Eg: 40% = 
∴ To express 40% of 50 is

Step 2:
On simplification the above expression we could get

= 20
F(x) = 1/4x-1
i hope this helps!
Answer:
6
Step-by-step explanation:
Firstly, this is the pythagoreans theorem a^2+b^2=c^2
Now that we know that, we will solve for x.
(x+2)^2+x^2=100 ( The 100 is just 10 squared )
Finally, you solve for x and get 6.
Answer:
64%
Step-by-step explanation:
The percent that was plastic is the plastic over the total * 100 %
percent plastic = 16/25 *100%
= .64 *100%
64%
Answer:
6x-y-4=0 is the linear coordinates.
Step-by-step explanation:
hope this helps.