His mistake was adding 12+2 when he was supposed to subtract.
Answer:
the mean number of siblings is 8
Step-by-step explanation:
all you have to do is look at the graph.
N= 8
b/c if u do it backwards 5*1.6=8- you get 8
and to check 8/1.6=5
so n= 5
hope this helps
Answer:
adjacent, x=15
Step-by-step explanation:
the angels are connected so they are adjacent, the red box shows that it is a 90 degree angle so adding both angels together means 90=6x so x=15
The answer is C. If the original equation is 10+20 for one swing, you multiply that by 3 to get the cost of three swings