3x/10= 1290
Mutiply by 10 for both sides
3x/10*10= 1290*10
Cross out 10 and 10 , divide by 10 and then becomes 3x
3x=12900
divide by 3 for both sides
3x/3= 12900/3
Cross out 3 and 3 , divide by 3 and then becomes x
x= 4300
Answer: x= 4300
Step-by-step explanation:
- diagonal
- parallel and equal
- bisect
- supplementary
- trapezium
- equal
- sum of opposite
- double of area of triangleAZC
- ??
- 90°
- diagonal
- ?
- equal and parallel to its opposite side.
- equal
- triangle with same length of their side and equal angle.
hope it helps..
Answer:
∠s=15.0 *
Step-by-step explanation:
-308° and 412° because 52-360 is -308 and 52+360 is 412
