Answer:
the last one
Step-by-step explanation:
Answer:
The percent of his error is 20.5%
Step-by-step explanation:
subtract 100 from 120.50 and then divide the answer by 100. Then move the decimal point two places to the right to get 20.5%.
I ussually think of them as arrows telling me where to go.
if it is > you go ----->
if it is < you go <------
Answer:
x=48
Step-by-step explanation:
10x-20+6x+8=180 set the equations together and to equal 180 since a line is 180 degrees
Get the variables together
10x-20+6x+8=180
-6x -6x
4x-20+8=180
add together -20 and 8
4x-12=180
add -12 on each side
4x-12=180
+12 +12
4x=192
divide all by 4
x=48
