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
-3/4
Step-by-step explanation:
f(x) = (1,2) & (-3,5)
f(x) = y²-(y¹)
_____
x²-(x¹)
y=5-2
___
-3-1
y=-3/4
Answer:
-3/4
Step-by-step explanation:
I hope this helps.
I think the number of ways is 671?
Answer:
10
Step-by-step explanation: