Answer:
If the shape of end face has n sides
Then, in total, there are n+2 faces
Using that formula
Faces in 20-sided polygon = n+2 = 20+2 = 22
Step-by-step explanation:
Pls vote as brainliest
Answer:
-8xy+3x+2z
x+3yz-8
Step-by-step explanation:
Answer:
seventy eight is 55% of 141.818182
which is 78=(0.55)w
1.53 hours if she drove 40 mph it would be 1 hour
Here, regrouping is basically carrying.
64+43 shown vertically would be:
64
+43
-------
107
4+3 is 7, so seven is in the ones place, but that's not the point.
60+40 is 100, so you regroup by carrying the one to the hundreds place.
Hope I helped!