Answer:
286
Step-by-step explanation:
Omit means: "to leave out" or "not include"
30% as a decimal is 0.3
Multiply 780 by 0.3
780(0.3)=234 female doctors
Answer:
4.25
Step-by-step explanation:
Assume that

and <span>multiply the equation

by 4p. Then you obtain the equation

.
</span>
1) If k>0, then 4pk>0 and the equation doesn't have solutions, because <span>

and this is unreal.
</span>
<span>2) If k=0, then 4pk=0 and

. There is one solution x=h.
</span>
2) If k<0, then 4pk<0 and the equation
<span>

has two different solutions

and

.</span>