4n - 7 = 13
4n = 20
n = 5. Hope it helps!
To find the roots of the quadratic equation x^2 + 2x + 5 = 0 is the same as solving it for x.
The formula to get x₁ and x₂ is: x₁,x₂=(-b⁺/₋√(b²-4ac))/(2a) where in our case a=1, b=2 and c=5.
Lets input the numbers:
x₁,x₂= (-2⁺/₋√(2²-4*1*5))/(2*1) = (-2⁺/₋√(4-20))/2, = (-2⁺/₋√(-16))/2
We see that we have a minus sign under the square root so the solutions or roots for our quadratic equation are going to be complex numbers:
x₁ = (-2+4i)/2 = -1+2i
x₂ = (-2-4i)/2 = -1-2i
So our roots are complex and are: x₁= -1+2i and x₂= -1-2i.
Answer:
the greatest number of baskets Pam van make is 6
Answer:
a 10000
b 1000
c 100
this is the correct answer