<span>In a three-dimensional coordinate system, the following generally points upward
</span>the positive y-axis
b is the right option
hope this helps
Answer:
We let x be the number of hours both could the job together.
The fraction of the job done by Elias is
x/40
The fraction of the job done by Niko is
x/50
Together they would be able to finish the job
x/40 + x50 = 1
x = 1 / (1/40 + 1/50)
x = 22.22 min
Step-by-step explanation:
only two. That is absolute value, so -3=x would be transfo into 3 by the absol values. And ofc 3=3.
so two numbers would fit as the x variable 3 and -3