Answer: x = 1
Step-by-step explanation:
The numbers in the middle below each row tell the difference between the two numbers above it.
So 12 - x = ?
? = 9 + 2
∴ 12 - x = 9 + 2
x = 1
The image attached should help to make it much clearer. Comment with any questions or concerns.
Answer:
the fourth one..
Step-by-step explanation:
At the beginning, there are 15 pigs without ribbons. one of the pigs receives a ribbon. how many are left ribbonless?
<span>14. when another pig is given a ribbon, there are 13 left. after all the ribbons have been given out, 3 of the 15 pigs have ribbons. </span>
<span>if any one of the 15 at the beginning is given a ribbon, there are 15 possible combos. for the second ribbon, there are 14 combos- but each of those combos has to go through the first 15. for the third ribbon, there are 13 combos, going through 14 and 15. </span>
<span>simply put, 15 x 14 x 13.</span>
Answer:
Step-by-step explanation:
so what you would do in order to solve this equation is do inverse operations. what you do to one side of teh equal sign you have to do to the other. so you divide 3/7n by 3/7 which would isolate n. then you would do teh same thing to the 27. 27/ 3/7= 63
n=63
Your answer would be: 105%