A subtraction problem can be turned in to an addition problem because of negative numbers. Take 5-2=3 for example. If you change 5-2 into an addition problem then you would but he addition sign and a negative sign on 2. This will then leave you with the problem looking like 5+ -2. If you add 5 and -2 you will still get three.
Answer:
Step-by-step explanation:
For the disease having force of mortality µ.
we apply exponential distribution law
probability of dying within 20 years
p( x <20) = 
= .1
= .9
For the disease having force of mortality 2µ.
we apply exponential distribution law
probability of dying within 20 years
p( x <20) = 1 - 
= 1 - ( .9)²
= 1 - .81
= .19
or 19%
Answer:
A
i had this question it's right
Answer:
Change left = $81.50
Step-by-step explanation:
Total cost of 3 Tshirts = 3×39.50
= $118.50
To find the change
$200.00
- $118.50
= $81.50
Answer:
$0.60
step-by-step explanation:
4.85 + 1.55 = 6.40
7.00 - 6.40 = 0.60
