Answer:
A- 4.50
B- unit price is 2 dollar per a hat. Price would be 24 dollars
C- unit price is .40
D- 69
Answer:
50 seconds
Step-by-step explanation:
Well, if the bird is travelling 8 m/s then you divide 400 by 8 to figure out how long it would take it to fly, since 8 x 50= 400.
Answer:
Step-by-step explanation:
So the nearest perfect square to 3793 is 3721. Hence, the least number that must be subtracted from 3793 to get a perfect square = 3793 - 3721 = 72.
Answer:
B. 71.43%
Step-by-step explanation:
The sensitivity is the probability that a test will indicate 'disease' among those with the disease, that is, the test has a positive results:
In this problem, we have that:
150 people with the disease tested positive and 60 tested negative. So the sensitivity is:

The correct answer is:
B. 71.43%