Since there are three black shirts and 7 blue shirts, he has a 3/10 chance of picking a black.
Answer:
750 students
Step-by-step explanation:
30/40 = 75%
75% of 1000
= 750
Answer:
positive
Step-by-step explanation:
the discriminant of the function is postive.
because from the graph we notice that it has 2 intercepts on x-axis, which means the function has 2 real solution when y=0
that implies the discriminant is positive.
if 
we have 2 distinct real solution
if 
we have no real solution but 2 complex solutions
if 
we have 2 identical real solution
Answer:round to the nearest tenth
Step-by-step explanation:
0.125g = 125 mg
So half of a 250 tab = 250/2=125 tab.
=>
Give half a tab of Mycodan each dose.
