Answer:
x=-5
Step-by-step explanation:
x squared+10x+25 factors into (x+5)(x+5). Set x equal to 0 and you get x=-5. To check, plug in negative 5 and you get 25+ -50 + 25=0 which is true.
Answer:
$700
Step-by-step explanation:
Given:
The ratio of taxes to profits is 7:3.
The taxes and profits total $1000.
Question asked:
Amount of taxes = ?
Solution:
Let ratios = 
And amount of taxes = 
Then amount of profit = 
Sum of amount of taxes and profits = $1000.(given)

by dividing both side by 10

Thus, amount of taxes =
=
= 
Thus, amount of profits 
Answer:
90%
Step-by-step explanation:
9/10's of the two rectangles are shaded and 9/10 = 90%
Answer:
D
Step-by-step explanation:
Answer:
18 bottles of water for $10 because each bottle costs 56c compared to 6 bottles of water for $4 at 67c
Step-by-step explanation:
All values rounded to the hundredth
6 bottles of water for $4
4/6=0.67
Each bottle costs 67c
18 bottles of water for $10
10/18=0.56
Each bottle costs 56c