Answer:
76??
Step-by-step explanation:
95×0.20=19
95-19=76
c squared= a squared+b squared so c squared=25+64 so the answer would be the square root of 89. Hope this helps!!
V30% mixture + v100% mixture = v60% mixture
0.3(10-x) + x = 0.6(10)
3 - 0.3x + x = 6
0.7x = 6 - 3
0.7x = 3
x = 3/0.7
x = 4.286 quarts
Answer:
(x+2)1x-8)=0
x=-2 or x=8
Step-by-step explanation:
The given quadratic expression is

We equate this expression to zero to get:

Let us divide through by 2 to get:

Split the middle term to get:

Factor

Factor further to get

The solution are
