X^2-9=0 add 9 to both sides
x^2=9 take the square root of both sides
x=±3
Answer:
C and D
Step-by-step explanation:
You can tell if equations have no solution if the variables on both sides of the equation are the same.
Choice C is 10+6x=15+9x-3x. You would combine 9x and -3x, turning the equation into 10+6x=15+6x. Since there is a 6x on both sides, Choice C would have no solution.
The same for Choice D. When you simplify everything there is a 3x on both sides, so it would have no solution.
So distance = rate × time. You would do 3/4 × 5.5, which would get you 4.125.
Answer:
mamamamamamqmama
Step-by-step explanation:
s.wmwmw
Answer:
A
Step-by-step explanation:
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