Answer: b = - a
Step-by-step explanation:
Given that b is located the same distance from 0 as another number a, but in opposite direction.
If b varies directly as a
Then,
b = - ka
Hence the opposite variation or relationship between a and b means they both carry opposite signs
Hence,
b = - a
Answer:
4
Step-by-step explanation:
Answer:
If the diameter is 18 then the radius r=9 so the area is:
πr2=81π≅254.469
Step-by-step explanation:
Explanation:
The area of a circle is given by the formula πr2 where r is the radius.
Just kept adding 6.
The next number = 152 + 6 = 158
Answer:
-4x-5
Step-by-step explanation:
3+x-(x+2)-4x
3+x-x-2-4x
-4x-5