Answer:
98
Step-by-step explanation:
Answer:
No solutions
Step-by-step explanation:
i did this via substitution so i hope it isn't a problem
3x+y=4
6x+2y=−4
Step: Solve 3x+y=4for y:
3x+y+−3x=4+−3x(Add -3x to both sides)
y=−3x+4
Step: Substitute−3x+4foryin6x+2y=−4:
6x+2y=−4
6x+2(−3x+4)=−4
8=−4(Simplify both sides of the equation)
8+−8=−4+−8(Add -8 to both sides)
0=−12
so there are no solutions
hope this helps!!
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Answer:
Step-by-step explanation:
Hello.
to find the volume of a sphere we must know its radius,
we don't know the radius but we have the area
Now, replacing this value in the volume equation
have a great day
Answer:
19) x=-3, 20) a=1, 21) b=3, 22) x=8
Step-by-step explanation:
hope that helps, those are the answeres to each question. :)))
