Answer:
Answer 19:- x = 5
Answer 20:- x = 11
Step-by-step explanation:
Answer 19:-
2x + 10 = 20
2x = 10
x = 5
Answer 20:-
80 + 20x = 300
20x = 220
x = 11
Answer:
A x < 3
Step-by-step explanation:



5(9-x) < 10*3
5(9-x) < 30
9-x < 30/5
9-x < 6
-x < 6 - 9
-x < -3
x < 3
Answer:
a ≈ 19.45
Step-by-step explanation:
<u><em>Law of Cosines</em></u>
a=c2+b2﹣2cbcosγ
=112+132﹣2·11·13·cos(108°)
≈19.45196
So to start you half to have an equation. $3.25x is going to be on part of your equation for each pound. $39.00 is going to be your total amount of all your meat. So your equation is going to be 40=3.25x+39 then you would solve the equation from there