Answer:
One solution: (2.5,0)
Step-by-step explanation:
We can use substitution for the solution. Substitute y=2x-5 to -8x-4y=-20 so that you end up with -8x-8x+20=-20. Next you want to add like terms which will be -16x+20=-20, next you want isolate x by subtracting 20 from both sides and leaves you with -16x=-40. Divide -16 on both sides to fully isolate x and will leave you with x=2.5. Now substiture in 2.5 for x in y=2x-5 to get y=2(2.5)-5 which will then lead to y=0.
Answer:
(-5.25,-3.5)
Step-by-step explanation:
Q(-3,-2)
Q'(-3*7/4.-2*7/4)
Answer:
3
Step-by-step explanation:
using the rule of radicals
× 
⇔ 
= 
= 
× = 3
Answer:
yeah, (891)+(038)=(193994)
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