Answer:
The "independent variable" is the "time" (in hours) that is plotted on the "x-axis". Note the "time" (in hours) can be "manipulated" in the sense that is it "chosen" by the humans who are measuring the data (e.g. when to start, how many hours, and at what intervals.
The "dependent variable" is the measurement (in feet) above or below the sea level, and this is plotted on the "y-axis". These values cannot be "manipulated" in the sense that one cannot "choose" what value or measurement the tide level would be at any particular time.
Answer:
2m + 2f
Step-by-step explanation:
Babies = 2 ×(m+f)
= 2(m+f)
= 2m + 2f
Answer:
(x+10)(x-10)
Step-by-step explanation:
both numbers can be squared so you have to take out the square and since 100 is negative one must be positive and one must be negative
Answer:
The explicit formula that can be used is 
The account's balance at the beginning of year 3 is 
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
in this problem we have
substitute in the formula above
