Insert y in the second equation and solve for x:
4x+(x^2-8)=-8
4x+x^2-8=-8
4x+x^2=0
x^2+4x=0
x = -4
Now you insers this x-value in the first or second equation (i use the first):
y=(-4)^2-8=16-8=8
Therefore the conclusion must be x=-4 and y=8
About 5 minutes: 60/4=15 then 15*3=45 and so 45/9 is 5 about 5 minutes an application
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Answer:
Step-by-step explanation:
- If AB=BC=CA, it means ABC is an equilateral triangle which all three sides are equal.
- Thus, all three internal angles are also congruent to each other and are each 60°.
Answer:
24
Step-by-step explanation:
