In a quadratic equation
q(x) = ax^2 + bx + c
The discriminant is = b^2 - 4ac
We have that discriminant = 3
If
b^2 - 4ac > 0, then the roots are real.
If
b^2 - 4ac < 0 then the roots are imaginary
<span>In
this problem b^2 - 4ac > 0 3 > 0 </span>
then
the two roots must be real
Answer:
115<40+15x
i believe this is right. 115 is what he has and what he spends has to be less than that and x is how many lines so solve for x to find how many lines he can have
Answer:
she colored in 60% of the paper blue and left 40% of the paper blank
Step-by-step explanation:
100 - 25 - 45 = 30
30% is the percentage for fish sticks n spaghetti
and it said tht the number of stdents choosin fish was 50% of the number of students choosing spghtti .
15 is the amount of students chose fish stcks
9514 1404 393
Answer:
$3,840
Step-by-step explanation:
The interest formula can be rearranged to find the principal amount.
I = Prt
P = I/(rt) = $768/(.04·5)
P = $3,840
They originally borrowed $3,840.