Question

answer the question ​

Answer 1

Answer:

Step-by-step explanation:

11) 4/3πr^3=4πr^2

   therefore r=3

diameter=6

12)if ax+by+c=0 is quadratic equation then sum of zeroes is -b/a

therefore sum of zeroes=-(-8)/4=2

14) general term of ap

is =a+(n-1)d

21 term=3+19X5

           =95+3=98

15) probability of not E is 1-p(E)=1-0.050=0.95

13)QR =14

since area of triangle directly proportional to square of side

10^2/QR^2=25/49

therefore QR=14

HOPE IT HELPS

MARK BRAINLIEST !!!