Answer:
8.9
Step-by-step explanation:
1. DE:BC=AD:AB
2. AD=AB+BD, but according to the conditions AB=5, then
AD=5+BD.
3. after the substitution DE=16; BC=9; AB=5 and AD=5+BD into the formula:
16:9=(5+BD):5;
BD=80/9 - 5≈3.9.
4. if AD=AB+BD, then AD=5+3,9=8,9
The equation to this is A 5X+4Y=-20
Answer:
A. 4 ft 2 in.
Step-by-step explanation:
50/12 = 4.1666667. Round up, so 4.1666667 becomes 4.2.
There are 6 different ways:
23,598
23,958
25,398
25,938
29,538
29,358