Answer:
X = {0, 1, 2, 3, 4}
Step-by-step explanation:
If X is the number of nonzero digits in a 4-digit PIN with no restriction on the digits, the pin can have up to 4 nonzero digits.
Let's see some examples:
If the PIN is 0000 then X = 4
If the PIN is 2045 then X = 3
If the PIN is 7546 then X = 0
From the previous examples, we can see that the possible values for X are 0, 1, 2, 3, 4.
Thus X = {0, 1, 2, 3, 4}
Answer:Backward
Step-by-step explanation:
If the car next to Megan is being Pulled Forward and Megan is seeing only the pulled car then her car appears to be moving backward.
This can be said by using the concept of relative velocity which states that the speed of the body with respect to the other is considered to be at rest.
Here Megan's car appears to move backward with respect to the car next to her due to the existence of relative velocity.
Answer:
$8.10
Step-by-step explanation:
2.70+2.70+2.70=$8.10
1. 2. 3. total
7 and 20 are relatively prime (no common factor)
Answer:
It decreased
Step-by-step explanation:
It decreased. Assuming that the temperature is 100 and it is now reduced by 60% then the temperature will be at 40 and if it increased by 80% then the final temp is 72. So it is 48% of the original temp.
