If we call 'D' the date in January, then at the end of D, there arr. 2^D people who have heard the rumor.
2^8 = 256 .
Answer:
The smaller number can be 8 or
.
Step-by-step explanation:
Consider the provided information.
let the larger number is x and the smaller number is y
A positive number is 3 times another number.

If we add 2 to the larger and 5 to the smaller, then one of them becomes 2 times the other.
Case I: If 2nd number is 2 times to the first number.

Substitute the value of x.


Now substitute the value of y in 


Therefore, the smaller number is 8.
Case II: If 1st number is 2 times to the second number.

Substitute the value of x.




Therefore, the smaller number is
.
Answer:
<h2>The radius r = 22.5 cm</h2>
Step-by-step explanation:
The formula of a circumference of a circle:

r - radius
We have the circumference

Substitute:
<em>divide both sides by π</em>
<em>dvide both sides by 2</em>

Answer:
The set notation for the diagram is P-Q
Answer:

Step-by-step explanation:
A linear function is always a one-to-one function.
Switch y and x.
x = -8y + 1
-1/8x + 1/8 = f(x)