2x-y =3
multiply by 4
8x - 4y = 12
3x +4y = 10 (unchanged equation)
------------------add
11x = 22
answer is A. the first.
first equation multiplied by 4 then sum to get 11x = 22
Answer:True
Step-by-step explanation:Empirical generalisation is the relationship between two variables that has been observed over a long period of time, science tries to show the interactions taking place between empirical Generalisation and theory,empirical Generalizations can also be seen as a pattern that repeats over different circumstances. Empirical Generalizations can also be said to be a reasoning from large example to basic conclusions which can be represented mathematically graphically or symbolically.
Answer:
=3±√5
Step-by-step explanation:
Answer:
C - 10
Step-by-step explanation:
n is the number of the term
an = -2n+8
a9 = -2*9 +8
a9 = -18+8
a9 = -10
The 9th term is -10
