Answer:
or 26.19%
Step-by-step explanation:
If the range of possible numbers is between 12 and 54 then that means that there are 42 (54 - 12) possible numbers that can be made. In this range, there are 11 prime numbers which are the following...
13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53
Therefore, the probability that the number formed is a prime would be
which if we divide and multiply the decimal by 100 we get the probability in percentage form.
= 0.2619
0.2619 * 100 = 26.19%
Finally, we can see that the probability of this happening is 26.19%
Hello :
<span>f(x) = (-1)^x
if x=3
f(3) = (-1)^3 = -1</span>
Answer:

Step-by-step explanation:
Given
<em>-- Corrected</em>
Required
Use the GCF to write it as a distributive property
First, we find the GCF of 75 and 45


The common factor is:


So,
becomes

Factorize

<em>Hence, the sum has been rewritten as </em>
<em></em>
Answer:
The function is non-proportional.
Step-by-step explanation:
If the function was proportional, when the number of hours spent riding the bicycle is equal to 0, the total cost of renting the bicycle would also be 0. In other words, the function would be proportional if y=0 when x=0. However, this is not the case.

Plug 0 into the equation as x

When 1 bicycle has been rented for 0 hours, the customer still has to pay 10 dollars just for renting it. When x=0, y=10. This means that the function is non-proportional.
I hope this helps!