Answer:
2t -7
Step-by-step explanation:
it should be right .......
...
.....
Given:
The inequality is

To find:
The missing step in solving the given inequality.
Solution:
Step 1: The given equation.

Step 2: Subtract 8x from both sides.


Step 3: Add 4 on both sides.


Step 4: Divide both sides by -2 and change the sign of inequity as we divide the inequality by a negative number.


Therefore, the missing step is
.
Answer:
f(x)= x^3+2x^2-5x-6
Step-by-step explanation:
The answer to this question would be: 2*52! -1
In this case, the card is either picked up by Naoko or they are not picked up. That means there are two possible outcomes for each card. For 52 card, the possibility should be:
2*52!
If Naoko needs to pick at least one, the possibilities become one less because "no card picked" possibility is ruled out