Answer:
5a²+22a+8
Step-by-step explanation:
(5a×a)+(5a×4)+(2×a)+(2×4)
=5a²+20a+2a+8
=5a²+22a+8
Answer:
60%
Step-by-step explanation:
The fraction 12/20 in simplest form would be 6/10 which come be converted to a percentage. (6x10)/(10x10)=60/100 or 60%.
Answer:
Podrias agregar mas datos porfa
Step-by-step explanation:
In order to find this you need to assume that they are declared as X and as X + 2. This makes the formula for calculating it x (x+2)=483, and this, based on the formulas for calculation, equals
x^2+2x-83=0
From this we can see that a negative X is -23, which when +2 is added results in -21.
