Answer:
The number of years to double the lump sum in value is;
N = 72/10 = 7.20
N = 7.20 years
Step-by-step explanation:
Using the rule of 72 for the approximation:
The formula for rule of 72 is;
Number of years to double = 72/interest rate in percentage
Given;
Interest rate = 10%
The number of years to double the lump sum in value is;
N = 72/10 = 7.20
N = 7.20 years
Answer: -1x - 1
Step-by-step explanation:
2 -1x -3
2-3 = -1
-1x - 1
Answer:
The positive solution is 2.4.
Step-by-step explanation:
The given functions are


It is given that




The quadratic formula:







Therefore the positive solution is 2.4.
Answer:
Step-by-step explanation:
3
<u>What do we know so far</u>:
*we converted the number of laps into improper fractions

<u>We want to know the number of laps in an hour</u>
⇒ so we must find the rate which ⇒ lap/hour

<u>So William can run</u> ⇒ <u>10 laps in one hour</u>
Hope that helps!