Answer:
your answer is correct just add the label
Step-by-step explanation:
Answer:
The distance between the cities is 50*4.5 = 225 miles.
Step-by-step explanation:
Let "t" be the time spent on the first leg at the average speed of 50 miles per hour.
Then (t+0.5) is the time spent on the returning trip at the average speed of 45 miles per hour.
Since the distance is the same in both directions, you have an equation
50*t = 45*(t+0.5).
Simplify and solve it for "t".
50t = 45t + 22.5,
5t = 22.5
Divide both sides by 5
t = 22.5/5
= 4.5.
Thus we found the time spent at the speed 50 mph. It is 4.5 hours.
Thus the distance between the cities is 50*4.5 = 225 miles
Answer:
100
Step-by-step
all you have to do is add 20+30=50+50=100
volume is all the numbers added up
Answer: the interest rate is 6%
Step-by-step explanation:
The formula for continuously compounded interest is
A = P x e (r x t)
Where
A represents the future value of the investment after t years.
P represents the present value or initial amount invested
r represents the interest rate
t represents the time in years for which the investment was made.
e is the mathematical constant approximated as 2.7183.
From the information given,
A = $4482
P = 1000
t = 25 years
Therefore,
4482 = 1000 x 2.7183^(r x 25)
4482/1000 = 2.7183^25r
4.482 = 2.7183^25r
Taking ln of both sides, it becomes
Ln 4.482 = 25rLn2.7183
1.5 = 25r
r = 1.5/25 = 0.06
r = 0.06 × 100 = 6%
Measurement DBA must equal less than the sum of measurements 3 and 2
