Answer:
See explanation
Step-by-step explanation:
The standard compound interest formula is 
where:
P is the principal amount
r is the interest rate (typically as a percentage)
t is the time
n is the times compounded per unit of time
So,
1) 
2) 
3) 
You should check my answers though, I may have mixed up some terms.
As the focus is at (0,5) it will be symmetrical about the y axis and will open upwards
General formula is x^2 = 4ay where a is the y coordinate of the focus
So its y = x^2/5*4
y = 1/20 x^2
Answer:
3x +(-2) = 2x + 4
Step-by-step explanation:
green sticks represents positive 3x and red boxes represents negative 2 since it's a equation modeled on adding it is shown as 3x+(-2) = 2x+4
Answer:
Step-by-step explanation:
The ratio 19/25 is the same as 76/100, or 0.76.
Multiplying this by 100%, we get 76%, the percentage of questions answered correctly.
Subtracting 76% from 100% results in 24%, which is the percentage of questions not answered correctly.
