1. given
2. measure angle 1 plus measure angle 2 equals 90 degrees
3. B D bisects angle A D C
4. definition of angle bisector
5. definition of congruence
6. measure angle 1 is equal to measure angle 3
7. angle 1 is congruent to angle 3
7. definition of congruence
hope that helps
X = 4 y = 3 4x-3y=7 x=13-3y
4(13-3y) -3y =7
52 -12y -3y =7
-15y=-45
-y=-3 y = 3
x=13-(3*3)
x=13-9
x =4
Answer:
30 pages in this book
Step-by-step explanation:
20% is equal 6 pages
so 80% is equal (80/20)*6+6=30
Answer:
Step-by-step explanation:
The constant, c, is 4 and the leading coefficient, d, is 9. The factors of 4 are:
±1, ±2, ±4
The factors of 9 are:
±1, ±3, ±9
The c/d possible roots are:
±1, ±1/3, ±1/9, ±2, ±2/3, ±2/9, ±4, ±4/3, ±4/9
Answer: sheeeehhhhhhg
Step-by-step explanation: