If e^(rt) is 3, then taking logarithms tells you
... rt = ln(3)
So, the time to triple the amount is
... t = ln(3)/0.0275 ≈ 39.95 . . . . years
_____
The working out that is shown in the picture appears to be correct.
Answer:
I figure that the answer is 1.6 because to find a, you do 24 divided by 15.
Answer:
Number of births to women below 22 years of age: 830
% of births occurred to women of age between 34 and 36: 6.35%
Step-by-step explanation:
There are two parts to this question:
To calculate the number of births, we look at the histogram below.
We see that each bar has a number on top, suggesting that particular for the age limit. Number of births to women below age of 22, we start adding all numbers below the mark of 22 on x-axis:
⇒ 39+134+29+363 = 830
To calculate the percentage, we divide the number of births in that particular interval by total number of births and then multiply by 100.
To calculate the total number of births, we add all the numbers on the top of the bars:
⇒ 39+ 134+294+363+391+425+460+474+432+343+250+163+98+49+17+4+1 Total births = 3937

Answer:
The answer is 21,600. If it travels 6 miles per second that in a minute it would travel 360 miles. You multilpy 360 times 6 and you get your answer of 21,600 miles.
Step-by-step explanation:
Answer:
a+s= 15
6a+4s=76
Those 2 are the correct answers
Step-by-step explanation: