The answer Its 4.5281 ....etc
Answer:
x = 5, y = -1/2
Step-by-step explanation:
3.5x - 5y = 20
3x + 4y = 13 multiply by 1.25 so the y's match up (you could match x's too)
3.75x + 5y = 16.25
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3.5x - 5y = 20
3.75x +5y = 16.25
7.25x + 0y = 36.25 you can add or subtract here (on this equation you add)
7.25x=36.25
x=5 So now we have x=5 and to find y we can just plug in x into one of the equations
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3(5) + 4y = 13
15 + 4y = 13
4y = -2
y = -1/2
x = 5, y = -1/2
Then you can plug in both to check your answers.
Answer:
t=-5
Step-by-step explanation:
-3=3t+4
-1=t+4
-5=t
Answer:
yes!
Step-by-step explanation:
4y+7-3y=4y+3y-7
Answer:
40
Step-by-step explanation:
If it is .5 or higher round up, if it is lower than .5 round down.
