Just plug in -1 for x and u should get ur answer
Answer:
20x²-3x-2
Step-by-step explanation:
(4x+1)(5x-2)
20x²-8x+5x-2
20x²-3x-2
Answer:
-8/3
Step-by-step explanation:
Answer:
1086.3 cm²
Step-by-step explanation:
surface are of sphere = πD²
SA = (3.14)(18.6 cm)^2
SA = 1086.3 cm²
Answer:
See explanation
Step-by-step explanation:
1. 
- given
2. 
- definition of midpoint (the midpoint of the segment divides the segment into two congruent segments)
3. 
- corresponding angles theorem (corresponding angles theorem states: If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent.)
4. 
- SAS (SAS postulate states that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then these two triangles are congruent).
