I believe you are trying to say 25% of a number is 9, what is the number? in that case the answer is 36. just divide 9 by .25
Answer:
30.17 cm
Step-by-step explanation:
area of a circular disc=π*r^2
derivative of area=2*π*r
maximum error= derivative * error in radius
i.e . 2*π*r*0.2
Answer:
40/21
Step-by-step explanation:
-4/7+(-4/3)
common factor is 21
=21/7×-4-21/3×4
=3×-4-7×4 all divided by 21
=-12-28 all divided by 21
=40/21
Answer:
3i-1
Step-by-step explanation:
2+3i-3
3i-1
