Step-by-step explanation:
(a-b)^2=(a^2-2*a*b+b^2)
4*(x^2-2x+1)-9=4x^2-8x+4-9=4x^2-8x-5
if you have to calculate the Δ
there is it: 4x^2-8x-5=0
Δ=b^2-4*a*c=64-4*4*(-5)=64+80=144
-b±Δ/2*a=8±12/8=
=8+12/8=20/8|:4=5/2
=8-12/8=-4/8|:4=-1/2
Answer:
there will be 259 elk
Step-by-step explanation:
A scatter plot is generally used when displaying data from two variables that may or may not be directly related, and when neither of the variables is under the direct control of the researcher. The primary function is to illustrate a correlation.
X = 3 my answer needs to be 20 characters
Answer:
Step-by-step explanation: i wouldn’t really be able to help because you did say what the supplementary is but what ever the supplementary is you multiply it with 3
