Answer:
If `r` and `R` and the respective radii of the smaller and the bigger semi-circles then the area of the shaded portion in the given figure is: (FIGURE) `pir^2\ s qdotu n i t s` (b) `piR^2-pir^2\ s qdotu n i t s` (c) `piR^2+pir^2\ s qdotu n i t s` (d) `piR^2\ s qdotu n i t s`
Step-by-step explanation:
Answer:
answer is 20............
Step-by-step explanation:
3x=13-19
x= -6/3
x= -2
Answer:
4:5
Step-by-step explanation:
ratio of x:y = 4:5
Answer:
Option B
Step-by-step explanation:
Proportion of number of defective pieces to the number of microchips in a batch can be represented by the ratio = 
If 3 microchips are defective in a batch of 750 microchips,
Proportion = 
If 'x' chips are defective in a batch of 10000 microchips,
Proportion = 
If both the proportions are equal,

Therefore, Option B will be the answer.
Answer is: z = 70 Your welcome :3