Answer:
6.45
Step-by-step explanation:
The answer=2.5*7.5-(2.75+9.55)=18.75-(12.3)=6.45
A(t)=A0*(1/2)^(t/30)
where t=elapsed years
A0=initial mass at t=0.
Answer:
either 20* and 140*, or 80* and 80*
Step-by-step explanation:
Answer: y ≥ -2 Interval Notation: [-2, ∞)
<u>Step-by-step explanation:</u>
If the domain is x ≥ 0, then plug x=0 into the given equation to find the y ≥ value.
Range: y ≥ 2(0) - 2
y ≥ 0 - 2
y ≥ -2
Answer:
You should choose an account with a 7% annual interest rate which is compounded quarterly
Step-by-step explanation:
we know that
The compound interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest in decimal
t is Number of Time Periods
n is the number of times interest is compounded per year
part 1)
we have
substitute in the formula above
part 2)
we have
substitute in the formula above