Answer:
screw this question
Step-by-step explanation:
To change from 15% to 25% he needs to add 10%.
If the solution is 50ml then he needs to add 10% which is 5ml... But if he adds 5 ml then the solution will be 55ml total, so that doesn't make sense. He has to take some of the solution that's not acid before adding the 5ml...
Answer:
yes
Step-by-step explanation:
Answer:
-2/5
Step-by-step explanation:
Your slope should be -2/5
In slope intercept for it should look like this, y= -2/5x+b.
Hope I helped
I hope this helps you
tgH=HJ/HK
angle H+angle K=90
H=K=45 degree
sin45=cos46 = square root of 2/2