Answer:
Step-by-step explanation:
<u>Total number of integers from 300 through 780, inclusive:</u>
<u>Number of integers with at least one of digit 1:</u>
- Hundreds - 0,
- Tens - 5*10 = 50 (31th, 41th, 51th, 61th, 71th)
- Units - 4*9 + 7 = 43 (300 till 699 and 700 till 780)
- So in total 50 + 43 = 93
<u>The probability is:</u>
- P = favorable outcomes/total outcomes = 93/481
Answer:
(a)
(b)
(c)
(d)
(e)
Step-by-step explanation:
(a)
we are given
we can also write as
now, we can use factor formula
we get
(b)
we are given
we can also write as
now, we can use factor formula
we get
(c)
we can use formula
so, we can write as
we can simplify it
and we get
(d)
we can use formula
so, we can write as
we can simplify it
and we get
(e)
we can distribute
so, we can write as
now, we can simplify it
Answer: Arrows are used to show the feeding relationship between the animals.
Step-by-step explanation: The arrow points from the organism being eaten to the organism that eats it.
Answer:
-2/3
Step-by-step explanation:
Answer:
-2
Step-by-step explanation: