Answer:
1. {-1 , 0, 1 }
Step-by-step explanation:
The range is the set of the second values in the ordered pairs.
Answer:
Perimeter is the distance around the shape. Area is the space inside the shape
The answer is 22.222222%.
It would be around 138 minutes which is 2 hrs and 18 min so it would be C).
Answer:
61.25%
Step-by-step explanation:
How many ml of 20 percent acid should be added to pure acid
to make 70 ml of 30 percent acid?
:
let x = amt of 20% mixture
then
(70-x) = amt of pure acid
:
0.20x + (70-x) =0 .30(70)
0.20x + 70 - x = 21
= 21 - 70
-0.8x =-49
x = 61.25%
x = +61.25 ml of 20% stuff
