Answer:
b=-a
Step-by-step explanation:
we know that b is located the same distance from 0 as another number, a, but in the opposite direction.
so the sum of the two numbers equal zero
a+b=0
a=-b or b=-a
Answer:
3
Step-by-step explanation:
Answer:
Bella will pass Ajjan after 4h and they will have travelled 260 miles.
Step-by-step explanation:
In order to calculate the number of hours, "x", that it'll take for Bella to pass Aljan, we need to find the value of "x" that makes both equations equal. Therefore,
In order to calculate the distance they traveled, we must use this value for "x" in any of the equations, as done below:
Bella will pass Ajjan after 4h and they will have travelled 260 miles.
The correct answer is the second option: plus or minus square root of 20
Hope this helped :)
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