9514 1404 393
Answer:
Step-by-step explanation:
The equation for the total number of cases is ...
x + y = 20
The equation for the total cost of the cases is ...
20x +30y = 450
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<em>Additional comment</em>
The solution to these equations is (x, y) = (15, 5).
Answer:
3 1/2
Step-by-step explanation:

sorry it just takes me forever to write the explanation
Answer:
you are correct :)
Step-by-step explanation:
complementary angels equal 90 degrees so you do 90-52
supplementary angels on the other hand, equal 180 degrees
An
Step-by-step explanation:
Answer:
(S-2~r^2)/2~r=h
Step-by-step explanation:
I subtract -2~r^2 on both sides
S-2~r^2=2~rh
Then I divide both by 2~r
(S-2~r^2)/2~r=h