lowealiyah1055
03.12.2020 •
Mathematics
Video game system on several games are sold for $580. The cost of the games is three times as much is a cost system. Find the cost of the system and the cost of the game
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Ответ:
x = cost of games
y = cost of console
---
x + y = 540
x = 3y
---
put the system of linear equations into standard form:
---
x + y = 540
x - 3y = 0
solution:
x = cost of games = $405
y = cost of console = $135
Ответ:
x= 40°
Step-by-step explanation:
to find the inside angle of the triangle I subtracted it from 180 because a triangle will always equal 180 and then i did the same to the other side