Answer:
A
Step-by-step explanation:
hope this helped!
Answer:
35
Step-by-step explanation:
15 plus 10 equals 25.
25 plus 10 equals 35.
Hope it helps!
-3x^2+12x-15=0
-3x^2+12x =15
-3x^2+12x+36=15
When you add something, you gain more of it. Therefore, it should be positive 2
2
Susana=s
maria=m
m= 3s/5
s+m=56
s+(3s/5)=56
(5s+3s)/5=56
8s=56*5
8s=280
s=280/8
s=35
35 --->5/5
x ---> 3/5
x= (3/5)*35 / (5/5)
x=21
edad de maria= 21 años
